Changed product name to citus

All citusdb references in
- extension, binary names
- file headers
- all configuration name prefixes
- error/warning messages
- some functions names
- regression tests

are changed to be citus.

Makefile

@@ -1,11 +1,11 @@
-# CitusDB toplevel Makefile
+# Citus toplevel Makefile
 
-citusdb_subdir = .
+citus_subdir = .
-citusdb_top_builddir = .
+citus_top_builddir = .
 
 # Hint that configure should be run first
 ifeq (,$(wildcard Makefile.global))
-  $(error ./configure needs to be run before compiling CitusDB)
+  $(error ./configure needs to be run before compiling Citus)
 endif
 
 include Makefile.global
@@ -20,9 +20,9 @@ install-extension:
 install-headers:
 	$(MKDIR_P) '$(includedir_server)/distributed/'
 # generated headers are located in the build directory
-	$(INSTALL_DATA) src/include/citusdb_config.h '$(includedir_server)/'
+	$(INSTALL_DATA) src/include/citus_config.h '$(includedir_server)/'
 # the rest in the source tree
-	$(INSTALL_DATA) $(citusdb_abs_srcdir)/src/include/distributed/*.h '$(includedir_server)/distributed/'
+	$(INSTALL_DATA) $(citus_abs_srcdir)/src/include/distributed/*.h '$(includedir_server)/distributed/'
 clean-extension:
 	$(MAKE) -C src/backend/distributed/ clean
 .PHONY: extension install-extension clean-extension

Makefile.global.in

@@ -9,40 +9,40 @@
 # makefiles, particulary central handling of compilation flags and
 # rules.
 
-citusdb_abs_srcdir:=@abs_top_srcdir@/${citusdb_subdir}
+citus_abs_srcdir:=@abs_top_srcdir@/${citus_subdir}
-citusdb_abs_top_srcdir:=@abs_top_srcdir@
+citus_abs_top_srcdir:=@abs_top_srcdir@
 PG_CONFIG:=@PG_CONFIG@
 PGXS:=$(shell $(PG_CONFIG) --pgxs)
 
 # Support for VPATH builds (i.e. builds from outside the source tree)
 vpath_build=@vpath_build@
 ifeq ($(vpath_build),yes)
-	VPATH:=$(citusdb_abs_srcdir)
+	VPATH:=$(citus_abs_srcdir)
 	USE_VPATH:=$(VPATH)
 endif
 
-# CitusDB is built using PostgreSQL's pgxs
+# Citus is built using PostgreSQL's pgxs
 USE_PGXS=1
 include $(PGXS)
 
 # Remake Makefile.global from Makefile.global.in if the latter
 # changed. In order to trigger this rule, the including file must
-# write `include $(citusdb_top_builddir)/Makefile.global', not some
+# write `include $(citus_top_builddir)/Makefile.global', not some
 # shortcut thereof.  This makes it less likely to accidentally run
 # with some outdated Makefile.global.
 # Make internally restarts whenever included Makefiles are
 # regenerated.
-$(citusdb_top_builddir)/Makefile.global: $(citusdb_top_builddir)/Makefile.global.in @top_srcdir@/configure $(citusdb_top_builddir)/config.status
+$(citus_top_builddir)/Makefile.global: $(citus_top_builddir)/Makefile.global.in @top_srcdir@/configure $(citus_top_builddir)/config.status
 	cd @abs_top_builddir@ && ./config.status Makefile.global
 
 # Ensure configuration is generated by the most recent configure,
 # useful for longer existing build directories.
-$(citusdb_top_builddir)/config.status: @top_srcdir@/configure
+$(citus_top_builddir)/config.status: @top_srcdir@/configure
 	cd @abs_top_builddir@ && ./config.status --recheck
 
 # Regenerate configure if configure.in changed
-@top_srcdir@/configure: $(citusdb_abs_srcdir)/configure.in
+@top_srcdir@/configure: $(citus_abs_srcdir)/configure.in
-	cd ${citusdb_abs_srcdir} && ./autogen.sh
+	cd ${citus_abs_srcdir} && ./autogen.sh
 
 # If specified via configure, replace the default compiler. Normally
 # we'll build with the one postgres was built with. But it's useful to
@@ -54,8 +54,8 @@ endif
 
 # Add options passed to configure or computed therein, to CFLAGS/CPPFLAGS/...
 override CFLAGS += @CFLAGS@ @CITUS_CFLAGS@
-override CPPFLAGS := @CPPFLAGS@ -I '${citusdb_abs_top_srcdir}/src/include' $(CPPFLAGS)
+override CPPFLAGS := @CPPFLAGS@ -I '${citus_abs_top_srcdir}/src/include' $(CPPFLAGS)
 override LDFLAGS += @LDFLAGS@
 
 # optional file with user defined, additional, rules
--include ${citusdb_abs_srcdir}/src/Makefile.custom
+-include ${citus_abs_srcdir}/src/Makefile.custom

autogen.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 #
 # autogen.sh converts configure.in to configure and creates
-# citusdb_config.h.in. The resuting resulting files are checked into
+# citus_config.h.in. The resuting resulting files are checked into
 # the SCM, to avoid everyone needing autoconf installed.
 
 autoreconf -f

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for CitusDB 5.0.
+# Generated by GNU Autoconf 2.69 for Citus 5.0.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -577,10 +577,10 @@ MFLAGS=
 MAKEFLAGS=
 
 # Identity of this package.
-PACKAGE_NAME='CitusDB'
+PACKAGE_NAME='Citus'
-PACKAGE_TARNAME='citusdb'
+PACKAGE_TARNAME='citus'
 PACKAGE_VERSION='5.0'
-PACKAGE_STRING='CitusDB 5.0'
+PACKAGE_STRING='Citus 5.0'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1190,7 +1190,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures CitusDB 5.0 to adapt to many kinds of systems.
+\`configure' configures Citus 5.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1238,7 +1238,7 @@ Fine tuning of the installation directories:
   --infodir=DIR           info documentation [DATAROOTDIR/info]
   --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
   --mandir=DIR            man documentation [DATAROOTDIR/man]
-  --docdir=DIR            documentation root [DATAROOTDIR/doc/citusdb]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/citus]
   --htmldir=DIR           html documentation [DOCDIR]
   --dvidir=DIR            dvi documentation [DOCDIR]
   --pdfdir=DIR            pdf documentation [DOCDIR]
@@ -1251,7 +1251,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of CitusDB 5.0:";;
+     short | recursive ) echo "Configuration of Citus 5.0:";;
    esac
   cat <<\_ACEOF
 
@@ -1333,7 +1333,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-CitusDB configure 5.0
+Citus configure 5.0
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1390,7 +1390,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by CitusDB $as_me 5.0, which was
+It was created by Citus $as_me 5.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -1871,7 +1871,7 @@ if test -z "$version_num"; then
 fi
 
 if test "$version_num" != '9.4' -a "$version_num" != '9.5'; then
-   as_fn_error $? "CitusDB is not compatible with the detected PostgreSQL version ${version_num}." "$LINENO" 5
+   as_fn_error $? "Citus is not compatible with the detected PostgreSQL version ${version_num}." "$LINENO" 5
 else
    { $as_echo "$as_me:${as_lineno-$LINENO}: building against PostgreSQL $version_num" >&5
 $as_echo "$as_me: building against PostgreSQL $version_num" >&6;}
@@ -2893,7 +2893,7 @@ CITUS_CFLAGS="$CITUS_CFLAGS"
 
 ac_config_files="$ac_config_files Makefile.global"
 
-ac_config_headers="$ac_config_headers src/include/citusdb_config.h"
+ac_config_headers="$ac_config_headers src/include/citus_config.h"
 
 
 cat >confcache <<\_ACEOF
@@ -3402,7 +3402,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by CitusDB $as_me 5.0, which was
+This file was extended by Citus $as_me 5.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -3464,7 +3464,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-CitusDB config.status 5.0
+Citus config.status 5.0
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
@@ -3586,7 +3586,7 @@ for ac_config_target in $ac_config_targets
 do
   case $ac_config_target in
     "Makefile.global") CONFIG_FILES="$CONFIG_FILES Makefile.global" ;;
-    "src/include/citusdb_config.h") CONFIG_HEADERS="$CONFIG_HEADERS src/include/citusdb_config.h" ;;
+    "src/include/citus_config.h") CONFIG_HEADERS="$CONFIG_HEADERS src/include/citus_config.h" ;;
 
   *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac

configure.in

@@ -1,11 +1,11 @@
-# CitusDB autoconf input script.
+# Citus autoconf input script.
 #
 # Converted into an actual configure script by autogen.sh. This
 # conversion only has to be done when configure.in changes. To avoid
 # everyone needing autoconf installed, the resulting files are checked
 # into the SCM.
 
-AC_INIT([CitusDB], [5.0], [], [citusdb], [])
+AC_INIT([Citus], [5.0], [], [citus], [])
 AC_COPYRIGHT([Copyright (c) Copyright (c) 2012-2015, Citus Data, Inc.])
 
 AC_PROG_SED
@@ -32,7 +32,7 @@ if test -z "$version_num"; then
 fi
 
 if test "$version_num" != '9.4' -a "$version_num" != '9.5'; then
-   AC_MSG_ERROR([CitusDB is not compatible with the detected PostgreSQL version ${version_num}.])
+   AC_MSG_ERROR([Citus is not compatible with the detected PostgreSQL version ${version_num}.])
 else
    AC_MSG_NOTICE([building against PostgreSQL $version_num])
 fi;
@@ -96,11 +96,11 @@ CITUSAC_PROG_CC_CFLAGS_OPT([-Wmissing-prototypes])
 AC_SUBST(CITUS_CFLAGS, "$CITUS_CFLAGS")
 
 AC_CONFIG_FILES([Makefile.global])
-AC_CONFIG_HEADERS([src/include/citusdb_config.h])
+AC_CONFIG_HEADERS([src/include/citus_config.h])
 AH_TOP([
 /*
- * citusdb_config.h.in is generated by autoconf/autoheader and
+ * citus_config.h.in is generated by autoconf/autoheader and
- * converted into citusdb_config.h by configure.  Include when code needs to
+ * converted into citus_config.h by configure.  Include when code needs to
  * depend on determinations made by configure.
  *
  * Do not manually edit!

prep_buildtree

@@ -1,8 +1,8 @@
 #! /bin/sh
 #
-# CitusDB copy of PostgreSQL's config/prep_buildtree
+# Citus copy of PostgreSQL's config/prep_buildtree
 #
-# This script prepares a CitusDB build tree for an out-of-tree/VPATH
+# This script prepares a Citus build tree for an out-of-tree/VPATH
 # build.  It is intended to be run by the configure script.
 
 me=`basename $0`

src/backend/distributed/.gitignore

@@ -10,4 +10,4 @@
 /tmp_check*
 
 # ignore latest install file
-citusdb--5.0.sql
+citus--5.0.sql

src/backend/distributed/Makefile

@@ -1,13 +1,13 @@
-# Makefile for the CitusDB extension
+# Makefile for the Citus extension
 
-citusdb_subdir = src/backend/distributed
+citus_subdir = src/backend/distributed
-citusdb_top_builddir = ../../..
+citus_top_builddir = ../../..
 
-MODULE_big = citusdb
+MODULE_big = citus
-EXTENSION = citusdb
+EXTENSION = citus
 EXTVERSION = 5.0
 DATA_built = $(EXTENSION)--$(EXTVERSION).sql
-SCRIPTS = $(wildcard $(citusdb_top_builddir)/src/bin/scripts/*)
+SCRIPTS = $(wildcard $(citus_top_builddir)/src/bin/scripts/*)
 
 # directories with source files
 SUBDIRS = . commands executor master planner relay test utils worker
@@ -15,7 +15,7 @@ SUBDIRS = . commands executor master planner relay test utils worker
 # That patsubst rule searches all directories listed in SUBDIRS for .c
 # files, and adds the corresponding .o files to OBJS
 OBJS += \
-	$(patsubst $(citusdb_abs_srcdir)/%.c,%.o,$(foreach dir,$(SUBDIRS), $(wildcard $(citusdb_abs_srcdir)/$(dir)/*.c)))
+	$(patsubst $(citus_abs_srcdir)/%.c,%.o,$(foreach dir,$(SUBDIRS), $(wildcard $(citus_abs_srcdir)/$(dir)/*.c)))
 
 # define build process for latest install file
 $(EXTENSION)--$(EXTVERSION).sql: $(EXTENSION).sql
@@ -28,6 +28,6 @@ NO_PGXS = 1
 
 SHLIB_LINK = $(libpq)
 
-include $(citusdb_top_builddir)/Makefile.global
+include $(citus_top_builddir)/Makefile.global
 
 override CPPFLAGS += -I$(libpq_srcdir)

src/backend/distributed/citus.control

@@ -0,0 +1,6 @@
+# Citus extension
+comment = 'Citus distributed database'
+default_version = '5.0'
+module_pathname = '$libdir/citus'
+relocatable = false
+schema = pg_catalog

src/backend/distributed/citus.sql

@@ -1,24 +1,24 @@
-/* citusdb.sql */
+/* citus.sql */
 
 -- complain if script is sourced in psql, rather than via CREATE EXTENSION
-\echo Use "CREATE EXTENSION citusdb" to load this file. \quit
+\echo Use "CREATE EXTENSION citus" to load this file. \quit
 
-CREATE SCHEMA citusdb;
+CREATE SCHEMA citus;
 
--- Ensure CREATE EXTENSION is not run against an old citusdb data
+-- Ensure CREATE EXTENSION is not run against an old citus data
 -- directory, we're not compatible (due to the builtin functions/tables)
 DO $$
 BEGIN
    IF EXISTS(SELECT * FROM pg_proc WHERE proname = 'worker_apply_shard_ddl_command') THEN
-      RAISE 'cannot install citusdb extension in CitusDB 4 data directory';
+      RAISE 'cannot install citus extension in Citus 4 data directory';
    END IF;
 END;
 $$;
 
 /*****************************************************************************
- * CitusDB data types
+ * Citus data types
  *****************************************************************************/
-CREATE TYPE citusdb.distribution_type AS ENUM (
+CREATE TYPE citus.distribution_type AS ENUM (
    'hash',
    'range',
    'append'
@@ -26,18 +26,18 @@ CREATE TYPE citusdb.distribution_type AS ENUM (
 
 
 /*****************************************************************************
- * CitusDB tables & corresponding indexes
+ * Citus tables & corresponding indexes
  *****************************************************************************/
-CREATE TABLE citusdb.pg_dist_partition(
+CREATE TABLE citus.pg_dist_partition(
     logicalrelid Oid NOT NULL,
     partmethod "char" NOT NULL,
     partkey text NOT NULL
 );
 CREATE UNIQUE INDEX pg_dist_partition_logical_relid_index
-ON citusdb.pg_dist_partition using btree(logicalrelid);
+ON citus.pg_dist_partition using btree(logicalrelid);
-ALTER TABLE citusdb.pg_dist_partition SET SCHEMA pg_catalog;
+ALTER TABLE citus.pg_dist_partition SET SCHEMA pg_catalog;
 
-CREATE TABLE citusdb.pg_dist_shard(
+CREATE TABLE citus.pg_dist_shard(
     logicalrelid oid NOT NULL,
     shardid int8 NOT NULL,
     shardstorage "char" NOT NULL,
@@ -46,12 +46,12 @@ CREATE TABLE citusdb.pg_dist_shard(
     shardmaxvalue text
 );
 CREATE UNIQUE INDEX pg_dist_shard_shardid_index
-ON citusdb.pg_dist_shard using btree(shardid);
+ON citus.pg_dist_shard using btree(shardid);
 CREATE INDEX pg_dist_shard_logical_relid_index
-ON citusdb.pg_dist_shard using btree(logicalrelid);
+ON citus.pg_dist_shard using btree(logicalrelid);
-ALTER TABLE citusdb.pg_dist_shard SET SCHEMA pg_catalog;
+ALTER TABLE citus.pg_dist_shard SET SCHEMA pg_catalog;
 
-CREATE TABLE citusdb.pg_dist_shard_placement(
+CREATE TABLE citus.pg_dist_shard_placement(
     shardid int8 NOT NULL,
     shardstate int4 NOT NULL,
     shardlength int8 NOT NULL,
@@ -59,40 +59,40 @@ CREATE TABLE citusdb.pg_dist_shard_placement(
     nodeport int8 NOT NULL
 ) WITH oids;
 CREATE UNIQUE INDEX pg_dist_shard_placement_oid_index
-ON citusdb.pg_dist_shard_placement using btree(oid);
+ON citus.pg_dist_shard_placement using btree(oid);
 CREATE INDEX pg_dist_shard_placement_shardid_index
-ON citusdb.pg_dist_shard_placement using btree(shardid);
+ON citus.pg_dist_shard_placement using btree(shardid);
 CREATE INDEX pg_dist_shard_placement_nodeid_index
-ON citusdb.pg_dist_shard_placement using btree(nodename, nodeport);
+ON citus.pg_dist_shard_placement using btree(nodename, nodeport);
-ALTER TABLE citusdb.pg_dist_shard_placement SET SCHEMA pg_catalog;
+ALTER TABLE citus.pg_dist_shard_placement SET SCHEMA pg_catalog;
 
 
 /*****************************************************************************
- * CitusDB sequences
+ * Citus sequences
  *****************************************************************************/
 
 /*
  * Unternal sequence to generate 64-bit shard ids. These identifiers are then
  * used to identify shards in the distributed database.
  */
-CREATE SEQUENCE citusdb.pg_dist_shardid_seq
+CREATE SEQUENCE citus.pg_dist_shardid_seq
     MINVALUE 102008
     NO CYCLE;
-ALTER SEQUENCE  citusdb.pg_dist_shardid_seq SET SCHEMA pg_catalog;
+ALTER SEQUENCE  citus.pg_dist_shardid_seq SET SCHEMA pg_catalog;
 
 /*
  * internal sequence to generate 32-bit jobIds. These identifiers are then
  * used to identify jobs in the distributed database; and they wrap at 32-bits
  * to allow for slave nodes to independently execute their distributed jobs.
  */
-CREATE SEQUENCE citusdb.pg_dist_jobid_seq
+CREATE SEQUENCE citus.pg_dist_jobid_seq
     MINVALUE 2 /* first jobId reserved for clean up jobs */
     MAXVALUE 4294967296;
-ALTER SEQUENCE  citusdb.pg_dist_jobid_seq SET SCHEMA pg_catalog;
+ALTER SEQUENCE  citus.pg_dist_jobid_seq SET SCHEMA pg_catalog;
 
 
 /*****************************************************************************
- * CitusDB functions
+ * Citus functions
  *****************************************************************************/
 
 /* For backward compatibility and ease of use create functions et al. in pg_catalog */
@@ -173,13 +173,13 @@ COMMENT ON FUNCTION master_get_round_robin_candidate_nodes(shard_id bigint)
 
 CREATE FUNCTION master_create_distributed_table(table_name regclass,
                                                 distribution_column text,
-                                                distribution_method citusdb.distribution_type)
+                                                distribution_method citus.distribution_type)
     RETURNS void
     LANGUAGE C STRICT
     AS 'MODULE_PATHNAME', $$master_create_distributed_table$$;
 COMMENT ON FUNCTION master_create_distributed_table(table_name regclass,
                                                     distribution_column text,
-                                                    distribution_method citusdb.distribution_type)
+                                                    distribution_method citus.distribution_type)
     IS 'define the table distribution functions';
 
 -- define shard creation function for hash-partitioned tables
@@ -314,7 +314,7 @@ COMMENT ON FUNCTION worker_append_table_to_shard(text, text, text, integer)
 
 /* trigger functions */
 
-CREATE OR REPLACE FUNCTION citusdb_drop_trigger()
+CREATE OR REPLACE FUNCTION citus_drop_trigger()
     RETURNS event_trigger
     LANGUAGE plpgsql
     SET search_path = pg_catalog
@@ -349,7 +349,7 @@ BEGIN
     END LOOP;
 END;
 $cdbdt$;
-COMMENT ON FUNCTION citusdb_drop_trigger()
+COMMENT ON FUNCTION citus_drop_trigger()
     IS 'perform checks and actions at the end of DROP actions';
 
 CREATE FUNCTION master_dist_partition_cache_invalidate()
@@ -369,21 +369,21 @@ COMMENT ON FUNCTION master_dist_shard_cache_invalidate()
 
 /* internal functions, not user accessible */
 
-CREATE FUNCTION citusdb_extradata_container(INTERNAL)
+CREATE FUNCTION citus_extradata_container(INTERNAL)
     RETURNS void
     LANGUAGE C
-    AS 'MODULE_PATHNAME', $$citusdb_extradata_container$$;
+    AS 'MODULE_PATHNAME', $$citus_extradata_container$$;
-COMMENT ON FUNCTION pg_catalog.citusdb_extradata_container(INTERNAL)
+COMMENT ON FUNCTION pg_catalog.citus_extradata_container(INTERNAL)
     IS 'placeholder function to store additional data in postgres node trees';
 
 
 /*****************************************************************************
- * CitusDB triggers
+ * Citus triggers
  *****************************************************************************/
 
-CREATE EVENT TRIGGER citusdb_cascade_to_partition
+CREATE EVENT TRIGGER citus_cascade_to_partition
     ON SQL_DROP
-    EXECUTE PROCEDURE citusdb_drop_trigger();
+    EXECUTE PROCEDURE citus_drop_trigger();
 
 CREATE TRIGGER dist_partition_cache_invalidate
     AFTER INSERT OR UPDATE OR DELETE
@@ -397,7 +397,7 @@ CREATE TRIGGER dist_shard_cache_invalidate
 
 
 /*****************************************************************************
- * CitusDB aggregates
+ * Citus aggregates
  *****************************************************************************/
 CREATE AGGREGATE array_cat_agg(anyarray) (SFUNC = array_cat, STYPE = anyarray);
 COMMENT ON AGGREGATE array_cat_agg(anyarray)

src/backend/distributed/citusdb.control

@@ -1,6 +0,0 @@
-# CitusDB extension
-comment = 'CitusDB distributed database'
-default_version = '5.0'
-module_pathname = '$libdir/citusdb'
-relocatable = false
-schema = pg_catalog

src/backend/distributed/commands/create_distributed_table.c

@@ -165,7 +165,7 @@ master_create_distributed_table(PG_FUNCTION_ARGS)
 	 *
 	 * Similarly, do not allow UNIQUE constraint and/or PRIMARY KEY if it does not
 	 * include partition column. This check is important for two reasons. First,
-	 * currently CitusDB does not enforce uniqueness constraint on multiple shards.
+	 * currently Citus does not enforce uniqueness constraint on multiple shards.
 	 * Second, INSERT INTO .. ON CONFLICT (i.e., UPSERT) queries can be executed with no
 	 * further check for constraints.
 	 */
@@ -191,7 +191,7 @@ master_create_distributed_table(PG_FUNCTION_ARGS)
 		}
 
 		/*
-		 * CitusDB cannot enforce uniqueness constraints with overlapping shards. Thus,
+		 * Citus cannot enforce uniqueness constraints with overlapping shards. Thus,
 		 * emit a warning for unique indexes on append partitioned tables.
 		 */
 		if (distributionMethod == DISTRIBUTE_BY_APPEND)
@@ -262,7 +262,7 @@ master_create_distributed_table(PG_FUNCTION_ARGS)
  * necessary for a distributed relation in addition to the preexisting ones
  * for a normal relation.
  *
- * We create one dependency from the (now distributed) relation to the citusdb
+ * We create one dependency from the (now distributed) relation to the citus
  * extension to prevent the extension from being dropped while distributed
  * tables exist. Furthermore a dependency from pg_dist_partition's
  * distribution clause to the underlying columns is created, but it's marked
@@ -281,7 +281,7 @@ RecordDistributedRelationDependencies(Oid distributedRelationId, Node *distribut
 	relationAddr.objectSubId = 0;
 
 	citusExtensionAddr.classId = ExtensionRelationId;
-	citusExtensionAddr.objectId = get_extension_oid("citusdb", false);
+	citusExtensionAddr.objectId = get_extension_oid("citus", false);
 	citusExtensionAddr.objectSubId = 0;
 
 	/* dependency from table entry to extension */
@@ -294,10 +294,10 @@ RecordDistributedRelationDependencies(Oid distributedRelationId, Node *distribut
 
 
 /*
- * LookupDistributionMethod maps the oids of citusdb.distribution_type enum
+ * LookupDistributionMethod maps the oids of citus.distribution_type enum
  * values to pg_dist_partition.partmethod values.
  *
- * The passed in oid has to belong to a value of citusdb.distribution_type.
+ * The passed in oid has to belong to a value of citus.distribution_type.
  */
 static char
 LookupDistributionMethod(Oid distributionMethodOid)

src/backend/distributed/executor/multi_server_executor.c

@@ -73,7 +73,7 @@ JobExecutorType(MultiPlan *multiPlan)
 			ereport(WARNING, (errmsg("this query uses more connections than the "
 									 "configured max_connections limit"),
 							  errhint("Consider increasing max_connections or setting "
-									  "citusdb.task_executor_type to "
+									  "citus.task_executor_type to "
 									  "\"task-tracker\".")));
 		}
 
@@ -88,7 +88,7 @@ JobExecutorType(MultiPlan *multiPlan)
 			ereport(WARNING, (errmsg("this query uses more file descriptors than the "
 									 "configured max_files_per_process limit"),
 							  errhint("Consider increasing max_files_per_process or "
-									  "setting citusdb.task_executor_type to "
+									  "setting citus.task_executor_type to "
 									  "\"task-tracker\".")));
 		}
 
@@ -96,7 +96,7 @@ JobExecutorType(MultiPlan *multiPlan)
 		if (dependedJobCount > 0)
 		{
 			ereport(ERROR, (errmsg("cannot use real time executor with repartition jobs"),
-							errhint("Set citusdb.task_executor_type to "
+							errhint("Set citus.task_executor_type to "
 									"\"task-tracker\".")));
 		}
 	}
@@ -119,7 +119,7 @@ JobExecutorType(MultiPlan *multiPlan)
 		if (dependedJobCount > 0)
 		{
 			ereport(ERROR, (errmsg("cannot use router executor with repartition jobs"),
-							errhint("Set citusdb.task_executor_type to "
+							errhint("Set citus.task_executor_type to "
 									"\"task-tracker\".")));
 		}
 
@@ -128,7 +128,7 @@ JobExecutorType(MultiPlan *multiPlan)
 		{
 			ereport(ERROR, (errmsg("cannot use router executor with queries that "
 								   "hit multiple shards"),
-							errhint("Set citusdb.task_executor_type to \"real-time\" or "
+							errhint("Set citus.task_executor_type to \"real-time\" or "
 									"\"task-tracker\".")));
 		}
 
@@ -138,7 +138,7 @@ JobExecutorType(MultiPlan *multiPlan)
 		if (list_length(workerDependentTaskList) > 0)
 		{
 			ereport(ERROR, (errmsg("cannot use router executor with JOINs"),
-							errhint("Set citusdb.task_executor_type to \"real-time\" or "
+							errhint("Set citus.task_executor_type to \"real-time\" or "
 									"\"task-tracker\".")));
 		}
 
@@ -146,7 +146,7 @@ JobExecutorType(MultiPlan *multiPlan)
 		if (masterQuery != NULL && list_length(masterQuery->sortClause) > 0)
 		{
 			ereport(ERROR, (errmsg("cannot use router executor with ORDER BY clauses"),
-							errhint("Set citusdb.task_executor_type to \"real-time\" or "
+							errhint("Set citus.task_executor_type to \"real-time\" or "
 									"\"task-tracker\".")));
 		}
 
@@ -158,7 +158,7 @@ JobExecutorType(MultiPlan *multiPlan)
 		if (masterQueryHasAggregates)
 		{
 			ereport(ERROR, (errmsg("cannot use router executor with aggregates"),
-							errhint("Set citusdb.task_executor_type to \"real-time\" or "
+							errhint("Set citus.task_executor_type to \"real-time\" or "
 									"\"task-tracker\".")));
 		}
 	}
@@ -173,7 +173,7 @@ JobExecutorType(MultiPlan *multiPlan)
  * Every task requires 2 FDs, one file and one connection. Some FDs are taken by
  * the VFD pool and there is currently no way to reclaim these before opening a
  * connection. We therefore assume some FDs to be reserved for VFDs, based on
- * observing a typical size of the pool on a CitusDB master.
+ * observing a typical size of the pool on a Citus master.
  */
 int
 MaxMasterConnectionCount(void)

src/backend/distributed/executor/multi_utility.c

@@ -1,6 +1,6 @@
 /*-------------------------------------------------------------------------
  * multi_utility.c
- *	  CitusDB utility hook and related functionality.
+ *	  Citus utility hook and related functionality.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *-------------------------------------------------------------------------
@@ -76,7 +76,7 @@ static void RangeVarCallbackForDropIndex(const RangeVar *rel, Oid relOid, Oid ol
 
 
 /*
- * Utility for handling citusdb specific concerns around utility statements.
+ * Utility for handling citus specific concerns around utility statements.
  *
  * There's two basic types of concerns here:
  * 1) Intercept utility statements that run after distributed query
@@ -168,29 +168,29 @@ multi_ProcessUtility(Node *parsetree,
 	/*
 	 * Inform the user about potential caveats.
 	 *
-	 * To prevent failures in aborted transactions, CitusDBHasBeenLoaded() needs
+	 * To prevent failures in aborted transactions, CitusHasBeenLoaded() needs
 	 * to be the second condition. See RelationIdGetRelation() which is called
-	 * by CitusDBHasBeenLoaded().
+	 * by CitusHasBeenLoaded().
 	 */
-	if (IsA(parsetree, CreatedbStmt) && CitusDBHasBeenLoaded())
+	if (IsA(parsetree, CreatedbStmt) && CitusHasBeenLoaded())
 	{
-		ereport(NOTICE, (errmsg("CitusDB partially supports CREATE DATABASE for "
+		ereport(NOTICE, (errmsg("Citus partially supports CREATE DATABASE for "
 								"distributed databases"),
-						 errdetail("CitusDB does not propagate CREATE DATABASE "
+						 errdetail("Citus does not propagate CREATE DATABASE "
 								   "command to workers"),
 						 errhint("You can manually create a database and its "
 								 "extensions on workers.")));
 	}
-	else if (IsA(parsetree, CreateSchemaStmt) && CitusDBHasBeenLoaded())
+	else if (IsA(parsetree, CreateSchemaStmt) && CitusHasBeenLoaded())
 	{
-		ereport(NOTICE, (errmsg("CitusDB partially supports CREATE SCHEMA "
+		ereport(NOTICE, (errmsg("Citus partially supports CREATE SCHEMA "
 								"for distributed databases"),
 						 errdetail("schema usage in joins and in some UDFs "
-								   "provided by CitusDB are not supported yet")));
+								   "provided by Citus are not supported yet")));
 	}
-	else if (IsA(parsetree, CreateRoleStmt) && CitusDBHasBeenLoaded())
+	else if (IsA(parsetree, CreateRoleStmt) && CitusHasBeenLoaded())
 	{
-			ereport(NOTICE, (errmsg("CitusDB does not support CREATE ROLE/USER "
+			ereport(NOTICE, (errmsg("Citus does not support CREATE ROLE/USER "
 									"for distributed databases"),
 							 errdetail("Multiple roles are currently supported "
 									   "only for local tables")));
@@ -204,7 +204,7 @@ multi_ProcessUtility(Node *parsetree,
 
 /*
  * WarnIfDropCitusExtension prints a WARNING if dropStatement includes dropping
- * citusdb extension.
+ * citus extension.
  */
 static void
 WarnIfDropCitusExtension(DropStmt *dropStatement)
@@ -218,8 +218,8 @@ WarnIfDropCitusExtension(DropStmt *dropStatement)
 		List *objectNameList = lfirst(dropStatementObject);
 		char *objectName = NameListToString(objectNameList);
 
-		/* we're only concerned with the citusdb extension */
+		/* we're only concerned with the citus extension */
-		if (strncmp("citusdb", objectName, NAMEDATALEN) == 0)
+		if (strncmp("citus", objectName, NAMEDATALEN) == 0)
 		{
 			/*
 			 * Warn the user about the possibility of invalid cache. Also, see
@@ -296,7 +296,7 @@ VerifyTransmitStmt(CopyStmt *copyStatement)
 
 
 /*
- * ProcessCopyStmt handles CitusDB specific concerns for COPY like supporting
+ * ProcessCopyStmt handles Citus specific concerns for COPY like supporting
  * COPYing from distributed tables and preventing unsupported actions.
  */
 static Node *

src/backend/distributed/planner/multi_explain.c

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * multi_explain.c
- *	  CitusDB explain support.
+ *	  Citus explain support.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *-------------------------------------------------------------------------

src/backend/distributed/planner/multi_join_order.c

@@ -175,7 +175,7 @@ FixedJoinOrderList(FromExpr *fromExpr, List *tableEntryList)
 									   "query"),
 								errdetail("Cannot perform outer joins with broadcast "
 										  "joins of more than 1 shard"),
-								errhint("Set citusdb.large_table_shard_count to 1")));
+								errhint("Set citus.large_table_shard_count to 1")));
 			}
 		}
 		else if (nextJoinNode->joinRuleType == LOCAL_PARTITION_JOIN)

src/backend/distributed/planner/multi_planner.c

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * multi_planner.c
- *	  General CitusDB planner code.
+ *	  General Citus planner code.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *-------------------------------------------------------------------------
@@ -45,7 +45,7 @@ multi_planner(Query *parse, int cursorOptions, ParamListInfo boundParams)
 	PlannedStmt *result = NULL;
 
 	/*
-	 * First call into standard planner. This is required because the CitusDB
+	 * First call into standard planner. This is required because the Citus
 	 * planner relies on parse tree transformations made by postgres' planner.
 	 */
 	result = standard_planner(parse, cursorOptions, boundParams);
@@ -90,7 +90,7 @@ CreatePhysicalPlan(Query *parse)
 
 		/*
 		 * This check is here to make it likely that all node types used in
-		 * CitusDB are dumpable. Explain can dump logical and physical plans
+		 * Citus are dumpable. Explain can dump logical and physical plans
 		 * using the extended outfuncs infrastructure, but it's infeasible to
 		 * test most plans. MultiQueryContainerNode always serializes the
 		 * physical plan, so there's no need to check that separately.
@@ -132,7 +132,7 @@ HasCitusToplevelNode(PlannedStmt *result)
 	 * yet. Directly return false, part of the required infrastructure for
 	 * further checks might not be present.
 	 */
-	if (!CitusDBHasBeenLoaded())
+	if (!CitusHasBeenLoaded())
 	{
 		return false;
 	}
@@ -259,7 +259,7 @@ GetMultiPlanString(PlannedStmt *result)
 	if (list_length(fauxFuncExpr->args) != 1)
 	{
 		ereport(ERROR, (errmsg("unexpected number of function arguments to "
-							   "citusdb_extradata_container")));
+							   "citus_extradata_container")));
 	}
 
 	multiPlanData = (Const *) linitial(fauxFuncExpr->args);

src/backend/distributed/shared_library_init.c

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * shared_library_init.c
- *	  Initialize CitusDB extension
+ *	  Initialize Citus extension
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *-------------------------------------------------------------------------
@@ -74,8 +74,8 @@ _PG_init(void)
 {
 	if (!process_shared_preload_libraries_in_progress)
 	{
-		ereport(ERROR, (errmsg("CitusDB can only be loaded via shared_preload_libraries"),
+		ereport(ERROR, (errmsg("Citus can only be loaded via shared_preload_libraries"),
-						errhint("Add citusdb to shared_preload_libraries.")));
+						errhint("Add citus to shared_preload_libraries.")));
 	}
 
 	/*
@@ -95,8 +95,8 @@ _PG_init(void)
 		ExecutorEnd_hook != NULL ||
 		ProcessUtility_hook != NULL)
 	{
-		ereport(ERROR, (errmsg("CitusDB has to be loaded first"),
+		ereport(ERROR, (errmsg("Citus has to be loaded first"),
-						errhint("Place citusdb at the beginning of "
+						errhint("Place citus at the beginning of "
 								"shared_preload_libraries.")));
 	}
 
@@ -107,7 +107,7 @@ _PG_init(void)
 	CreateRequiredDirectories();
 
 	/*
-	 * Register CitusDB configuration variables. Do so before intercepting
+	 * Register Citus configuration variables. Do so before intercepting
 	 * hooks or calling initialization functions, in case we want to do the
 	 * latter in a configuration dependent manner.
 	 */
@@ -137,7 +137,7 @@ _PG_init(void)
 
 
 /*
- * CreateRequiredDirectories - Create directories required for CitusDB to
+ * CreateRequiredDirectories - Create directories required for Citus to
  * function.
  *
  * These used to be created by initdb, but that's not possible anymore.
@@ -166,12 +166,12 @@ CreateRequiredDirectories(void)
 }
 
 
-/* Register CitusDB configuration variables. */
+/* Register Citus configuration variables. */
 static void
 RegisterCitusConfigVariables(void)
 {
 	DefineCustomStringVariable(
-		"citusdb.worker_list_file",
+		"citus.worker_list_file",
 		gettext_noop("Sets the server's \"worker_list\" configuration file."),
 		NULL,
 		&WorkerListFileName,
@@ -182,7 +182,7 @@ RegisterCitusConfigVariables(void)
 	NormalizeWorkerListPath();
 
 	DefineCustomBoolVariable(
-		"citusdb.binary_master_copy_format",
+		"citus.binary_master_copy_format",
 		gettext_noop("Use the binary master copy format."),
 		gettext_noop("When enabled, data is copied from workers to the master "
 					 "in PostgreSQL's binary serialization format."),
@@ -193,7 +193,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomBoolVariable(
-		"citusdb.binary_worker_copy_format",
+		"citus.binary_worker_copy_format",
 		gettext_noop("Use the binary worker copy format."),
 		gettext_noop("When enabled, data is copied from workers to workers "
 					 "in PostgreSQL's binary serialization format when "
@@ -205,7 +205,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomBoolVariable(
-		"citusdb.expire_cached_shards",
+		"citus.expire_cached_shards",
 		gettext_noop("Enables shard cache expiration if a shard's size on disk has changed. "),
 		gettext_noop("When appending to an existing shard, old data may still be cached on "
 					 "other workers. This configuration entry activates automatic "
@@ -217,7 +217,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomBoolVariable(
-		"citusdb.subquery_pushdown",
+		"citus.subquery_pushdown",
 		gettext_noop("Enables supported subquery pushdown to workers."),
 		NULL,
 		&SubqueryPushdown,
@@ -227,7 +227,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomBoolVariable(
-		"citusdb.log_multi_join_order",
+		"citus.log_multi_join_order",
 		gettext_noop("Logs the distributed join order to the server log."),
 		gettext_noop("We use this private configuration entry as a debugging aid. "
 					 "If enabled, we print the distributed join order."),
@@ -238,7 +238,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomBoolVariable(
-		"citusdb.explain_multi_logical_plan",
+		"citus.explain_multi_logical_plan",
 		gettext_noop("Enables Explain to print out distributed logical plans."),
 		gettext_noop("We use this private configuration entry as a debugging aid. "
 					 "If enabled, the Explain command prints out the optimized "
@@ -250,7 +250,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomBoolVariable(
-		"citusdb.explain_multi_physical_plan",
+		"citus.explain_multi_physical_plan",
 		gettext_noop("Enables Explain to print out distributed physical plans."),
 		gettext_noop("We use this private configuration entry as a debugging aid. "
 					 "If enabled, the Explain command prints out the physical "
@@ -262,7 +262,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomBoolVariable(
-		"citusdb.all_modifications_commutative",
+		"citus.all_modifications_commutative",
 		gettext_noop("Bypasses commutativity checks when enabled"),
 		NULL,
 		&AllModificationsCommutative,
@@ -272,7 +272,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomIntVariable(
-		"citusdb.shard_replication_factor",
+		"citus.shard_replication_factor",
 		gettext_noop("Sets the replication factor for shards."),
 		gettext_noop("Shards are replicated across nodes according to this "
 					 "replication factor. Note that shards read this "
@@ -285,7 +285,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomIntVariable(
-		"citusdb.shard_max_size",
+		"citus.shard_max_size",
 		gettext_noop("Sets the maximum size a shard will grow before it gets split."),
 		gettext_noop("Shards store table and file data. When the source "
 					 "file's size for one shard exceeds this configuration "
@@ -300,7 +300,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomIntVariable(
-		"citusdb.max_worker_nodes_tracked",
+		"citus.max_worker_nodes_tracked",
 		gettext_noop("Sets the maximum number of worker nodes that are tracked."),
 		gettext_noop("Worker nodes' network locations, their membership and "
 					 "health status are tracked in a shared hash table on "
@@ -314,7 +314,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomIntVariable(
-		"citusdb.remote_task_check_interval",
+		"citus.remote_task_check_interval",
 		gettext_noop("Sets the frequency at which we check job statuses."),
 		gettext_noop("The master node assigns tasks to workers nodes, and "
 					 "then regularly checks with them about each task's "
@@ -327,7 +327,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomIntVariable(
-		"citusdb.task_tracker_delay",
+		"citus.task_tracker_delay",
 		gettext_noop("Task tracker sleep time between task management rounds."),
 		gettext_noop("The task tracker process wakes up regularly, walks over "
 					 "all tasks assigned to it, and schedules and executes these "
@@ -341,7 +341,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomIntVariable(
-		"citusdb.max_assign_task_batch_size",
+		"citus.max_assign_task_batch_size",
 		gettext_noop("Sets the maximum number of tasks to assign per round."),
 		gettext_noop("The master node synchronously assigns tasks to workers in "
 					 "batches. Bigger batches allow for faster task assignment, "
@@ -355,7 +355,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomIntVariable(
-		"citusdb.max_tracked_tasks_per_node",
+		"citus.max_tracked_tasks_per_node",
 		gettext_noop("Sets the maximum number of tracked tasks per node."),
 		gettext_noop("The task tracker processes keeps all assigned tasks in "
 					 "a shared hash table, and schedules and executes these "
@@ -369,7 +369,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomIntVariable(
-		"citusdb.max_running_tasks_per_node",
+		"citus.max_running_tasks_per_node",
 		gettext_noop("Sets the maximum number of tasks to run concurrently per node."),
 		gettext_noop("The task tracker process schedules and executes the tasks "
 					 "assigned to it as appropriate. This configuration value "
@@ -382,7 +382,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomIntVariable(
-		"citusdb.partition_buffer_size",
+		"citus.partition_buffer_size",
 		gettext_noop("Sets the buffer size to use for partition operations."),
 		gettext_noop("Worker nodes allow for table data to be repartitioned "
 					 "into multiple text files, much like Hadoop's Map "
@@ -396,7 +396,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomIntVariable(
-		"citusdb.large_table_shard_count",
+		"citus.large_table_shard_count",
 		gettext_noop("The shard count threshold over which a table is considered large."),
 		gettext_noop("A distributed table is considered to be large if it has "
 					 "more shards than the value specified here. This largeness "
@@ -409,7 +409,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomIntVariable(
-		"citusdb.limit_clause_row_fetch_count",
+		"citus.limit_clause_row_fetch_count",
 		gettext_noop("Number of rows to fetch per task for limit clause optimization."),
 		gettext_noop("Select queries get partitioned and executed as smaller "
 					 "tasks. In some cases, select queries with limit clauses "
@@ -424,7 +424,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomRealVariable(
-		"citusdb.count_distinct_error_rate",
+		"citus.count_distinct_error_rate",
 		gettext_noop("Desired error rate when calculating count(distinct) "
 					 "approximates using the postgresql-hll extension. "
 					 "0.0 disables approximations for count(distinct); 1.0 "
@@ -437,7 +437,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomEnumVariable(
-		"citusdb.task_assignment_policy",
+		"citus.task_assignment_policy",
 		gettext_noop("Sets the policy to use when assigning tasks to worker nodes."),
 		gettext_noop("The master node assigns tasks to worker nodes based on shard "
 						 "locations. This configuration value specifies the policy to "
@@ -454,7 +454,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomEnumVariable(
-		"citusdb.task_executor_type",
+		"citus.task_executor_type",
 		gettext_noop("Sets the executor type to be used for distributed queries."),
 		gettext_noop("The master node chooses between three different executor types "
 					 "when executing a distributed query. The router executor is "
@@ -472,7 +472,7 @@ RegisterCitusConfigVariables(void)
 		NULL, NULL, NULL);
 
 	DefineCustomEnumVariable(
-		"citusdb.shard_placement_policy",
+		"citus.shard_placement_policy",
 		gettext_noop("Sets the policy to use when choosing nodes for shard placement."),
 		gettext_noop("The master node chooses which worker nodes to place new shards "
 					 "on. This configuration value specifies the policy to use when "
@@ -486,8 +486,8 @@ RegisterCitusConfigVariables(void)
 		0,
 		NULL, NULL, NULL);
 
-	/* warn about config items in the citusdb namespace that are not registered above */
+	/* warn about config items in the citus namespace that are not registered above */
-	EmitWarningsOnPlaceholders("citusdb");
+	EmitWarningsOnPlaceholders("citus");
 	/* Also warn about citus namespace, as that's a very likely misspelling */
 	EmitWarningsOnPlaceholders("citus");
 }
@@ -495,7 +495,7 @@ RegisterCitusConfigVariables(void)
 
 /*
  * NormalizeWorkerListPath converts the path configured via
- * citusdb.worker_list_file into an absolute path, falling back to the default
+ * citus.worker_list_file into an absolute path, falling back to the default
  * value if necessary. The previous value of the config variable is
  * overwritten with the normalized value.
  *
@@ -525,11 +525,11 @@ NormalizeWorkerListPath(void)
 		ereport(FATAL, (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
 						errmsg("%s does not know where to find the \"worker_list_file\" "
 							   "configuration file.\n"
-							   "This can be specified as \"citusdb.worker_list_file\" in "
+							   "This can be specified as \"citus.worker_list_file\" in "
 							   "\"%s\", or by the -D invocation option, or by the PGDATA "
 							   "environment variable.\n", progname, ConfigFileName)));
 	}
 
-	SetConfigOption("citusdb.worker_list_file", absoluteFileName, PGC_POSTMASTER, PGC_S_OVERRIDE);
+	SetConfigOption("citus.worker_list_file", absoluteFileName, PGC_POSTMASTER, PGC_S_OVERRIDE);
 	free(absoluteFileName);
 }

src/backend/distributed/test/connection_cache.c

@@ -2,7 +2,7 @@
  *
  * test/src/connection_cache.c
  *
- * This file contains functions to exercise CitusDB's connection hash
+ * This file contains functions to exercise Citus's connection hash
  * functionality for purposes of unit testing.
  *
  * Copyright (c) 2014-2015, Citus Data, Inc.

src/backend/distributed/test/create_shards.c

@@ -3,7 +3,7 @@
  * test/src/create_shards.c
  *
  * This file contains functions to exercise shard creation functionality
- * within CitusDB.
+ * within Citus.
  *
  * Copyright (c) 2014-2015, Citus Data, Inc.
  *

src/backend/distributed/test/distribution_metadata.c

@@ -3,7 +3,7 @@
  * test/src/distribution_metadata.c
  *
  * This file contains functions to exercise distributed table metadata
- * functionality within CitusDB.
+ * functionality within Citus.
  *
  * Copyright (c) 2014-2015, Citus Data, Inc.
  *

src/backend/distributed/test/generate_ddl_commands.c

@@ -3,7 +3,7 @@
  * test/src/generate_ddl_commands.c
  *
  * This file contains functions to exercise DDL generation functionality
- * within CitusDB.
+ * within Citus.
  *
  * Copyright (c) 2014-2015, Citus Data, Inc.
  *

src/backend/distributed/test/prune_shard_list.c

@@ -3,7 +3,7 @@
  * test/src/create_shards.c
  *
  * This file contains functions to exercise shard creation functionality
- * within CitusDB.
+ * within Citus.
  *
  * Copyright (c) 2014-2015, Citus Data, Inc.
  *

src/backend/distributed/test/test_helper_functions.c

@@ -2,7 +2,7 @@
  *
  * test/src/test_helper_functions.c
  *
- * This file contains helper functions used in many CitusDB tests.
+ * This file contains helper functions used in many Citus tests.
  *
  * Copyright (c) 2014-2015, Citus Data, Inc.
  *

src/backend/distributed/utils/citus_nodefuncs.c

@@ -16,7 +16,7 @@
 
 
 /* exports for SQL callable functions */
-PG_FUNCTION_INFO_V1(citusdb_extradata_container);
+PG_FUNCTION_INFO_V1(citus_extradata_container);
 
 
 /*
@@ -189,7 +189,7 @@ ExtractRangeTblExtraData(RangeTblEntry *rte, CitusRTEKind *rteKind,
 	if (list_length(fauxFuncExpr->args) != 4)
 	{
 		ereport(ERROR, (errmsg("unexpected number of function arguments to "
-							   "citusdb_extradata_container")));
+							   "citus_extradata_container")));
 		return;
 	}
 
@@ -290,13 +290,13 @@ GetRangeTblKind(RangeTblEntry *rte)
 
 
 /*
- * citusdb_extradata_container is a placeholder function to store information
+ * citus_extradata_container is a placeholder function to store information
- * needed by CitusDB in plain postgres node trees. Executor and other hooks
+ * needed by Citus in plain postgres node trees. Executor and other hooks
  * should always intercept statements containing calls to this function. It's
  * not actually SQL callable by the user because of an INTERNAL argument.
  */
 Datum
-citusdb_extradata_container(PG_FUNCTION_ARGS)
+citus_extradata_container(PG_FUNCTION_ARGS)
 {
 	ereport(ERROR, (errmsg("not supposed to get here, did you cheat?")));
 

src/backend/distributed/utils/citus_outfuncs.c

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * citus_outfuncs.c
- *	  Output functions for CitusDB tree nodes.
+ *	  Output functions for Citus tree nodes.
  *
  * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
@@ -9,7 +9,7 @@
  *
  * NOTES
  *	  This is a wrapper around postgres' nodeToString() that additionally
- *	  supports CitusDB node types.
+ *	  supports Citus node types.
  *
  *    Keep as closely aligned with the upstream version as possible.
  *
@@ -220,7 +220,7 @@ _outDatum(StringInfo str, Datum value, int typlen, bool typbyval)
 
 
 /*****************************************************************************
- *	Output routines for CitusDB node types
+ *	Output routines for Citus node types
  *****************************************************************************/
 
 static void

src/backend/distributed/utils/citus_readfuncs_94.c

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * citus_readfuncs.c
- *	  CitusDB adapted reader functions for Citus & Postgres tree nodes
+ *	  Citus adapted reader functions for Citus & Postgres tree nodes
  *
  * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California

src/backend/distributed/utils/citus_readfuncs_95.c

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * citus_readfuncs.c
- *	  CitusDB adapted reader functions for Citus & Postgres tree nodes
+ *	  Citus adapted reader functions for Citus & Postgres tree nodes
  *
  * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California

src/backend/distributed/utils/connection_cache.c

@@ -249,7 +249,7 @@ CreateNodeConnectionHash(void)
 	info.hcxt = CacheMemoryContext;
 	hashFlags = (HASH_ELEM | HASH_FUNCTION | HASH_CONTEXT);
 
-	nodeConnectionHash = hash_create("citusdb connection cache", 32, &info, hashFlags);
+	nodeConnectionHash = hash_create("citus connection cache", 32, &info, hashFlags);
 
 	return nodeConnectionHash;
 }
@@ -257,7 +257,7 @@ CreateNodeConnectionHash(void)
 
 /*
  * ConnectToNode opens a connection to a remote PostgreSQL server. The function
- * configures the connection's fallback application name to 'citusdb' and sets
+ * configures the connection's fallback application name to 'citus' and sets
  * the remote encoding to match the local one. This function requires that the
  * port be specified as a string for easier use with libpq functions.
  *
@@ -277,7 +277,7 @@ ConnectToNode(char *nodeName, char *nodePort)
 		"client_encoding", "connect_timeout", "dbname", NULL
 	};
 	const char *valueArray[] = {
-		nodeName, nodePort, "citusdb", clientEncoding,
+		nodeName, nodePort, "citus", clientEncoding,
 		CLIENT_CONNECT_TIMEOUT_SECONDS, dbname, NULL
 	};
 

src/backend/distributed/utils/metadata_cache.c

@@ -77,7 +77,7 @@ IsDistributedTable(Oid relationId)
 	 * yet. As we can't do lookups in nonexistent tables, directly return
 	 * false.
 	 */
-	if (!CitusDBHasBeenLoaded())
+	if (!CitusHasBeenLoaded())
 	{
 		return false;
 	}
@@ -155,7 +155,7 @@ DistributedTableCacheEntry(Oid distributedRelationId)
 	 * yet. As we can't do lookups in nonexistent tables, directly return NULL
 	 * here.
 	 */
-	if (!CitusDBHasBeenLoaded())
+	if (!CitusHasBeenLoaded())
 	{
 		return NULL;
 	}
@@ -292,7 +292,7 @@ LookupDistTableCacheEntry(Oid relationId)
 
 
 /*
- * CitusDBHasBeenLoaded returns true if the citusdb extension has been created
+ * CitusHasBeenLoaded returns true if the citus extension has been created
  * in the current database and the extension script has been executed. Otherwise,
  * it returns false. The result is cached as this is called very frequently.
  *
@@ -301,17 +301,17 @@ LookupDistTableCacheEntry(Oid relationId)
  * acceptable.
  */
 bool
-CitusDBHasBeenLoaded(void)
+CitusHasBeenLoaded(void)
 {
 	static bool extensionLoaded = false;
 
-	/* recheck presence until citusdb has been loaded */
+	/* recheck presence until citus has been loaded */
 	if (!extensionLoaded)
 	{
 		bool extensionPresent = false;
 		bool extensionScriptExecuted = true;
 
-		Oid extensionOid = get_extension_oid("citusdb", true);
+		Oid extensionOid = get_extension_oid("citus", true);
 		if (extensionOid != InvalidOid)
 		{
 			extensionPresent = true;
@@ -319,7 +319,7 @@ CitusDBHasBeenLoaded(void)
 
 		if (extensionPresent)
 		{
-			/* check if CitusDB extension objects are still being created */
+			/* check if Citus extension objects are still being created */
 			if (creating_extension && CurrentExtensionObject == extensionOid)
 			{
 				extensionScriptExecuted = false;
@@ -428,7 +428,7 @@ CitusExtraDataContainerFuncId(void)
 	if (cachedOid == InvalidOid)
 	{
 		nameList = list_make2(makeString("pg_catalog"),
-							  makeString("citusdb_extradata_container"));
+							  makeString("citus_extradata_container"));
 		cachedOid = LookupFuncName(nameList, 1, paramOids, false);
 	}
 

src/backend/distributed/utils/multi_resowner.c

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * multi_resowner.c
- *	  CitusDB resource owner integration
+ *	  Citus resource owner integration
  *
  * An extension can't directly add members to ResourceOwnerData. Instead we
  * have to use the resource owner callback mechanism. Right now it's

src/backend/distributed/utils/resource_lock.c

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * resource_lock.c
- *	  Locking Infrastructure for CitusDB.
+ *	  Locking Infrastructure for Citus.
  *
  * To avoid introducing a new type of locktag - that then could not be
  * displayed by core functionality - we reuse advisory locks. If we'd just

src/backend/distributed/worker/task_tracker.c

@@ -240,7 +240,7 @@ TaskTrackerMain(Datum main_arg)
 			/*
 			 * Reload worker membership file. For now we do that in the task
 			 * tracker because that's currently the only background worker in
-			 * CitusDB. And only background workers allow us to safely
+			 * Citus. And only background workers allow us to safely
 			 * register a SIGHUP handler.
 			 */
 			LoadWorkerNodeList(WorkerListFileName);
@@ -295,7 +295,7 @@ WorkerTasksHashEnter(uint64 jobId, uint32 taskId)
 	{
 		ereport(ERROR, (errcode(ERRCODE_OUT_OF_MEMORY),
 						errmsg("out of shared memory"),
-						errhint("Try increasing citusdb.max_tracked_tasks_per_node.")));
+						errhint("Try increasing citus.max_tracked_tasks_per_node.")));
 	}
 
 	/* check that we do not have the same task assigned twice to this node */

src/bin/csql/Makefile

@@ -9,12 +9,12 @@
 #
 #-------------------------------------------------------------------------
 
-citusdb_subdir = src/bin/csql
+citus_subdir = src/bin/csql
-citusdb_top_builddir = ../../..
+citus_top_builddir = ../../..
 
 PROGRAM = csql
 
-PGFILEDESC = "csql - the CitusDB interactive terminal"
+PGFILEDESC = "csql - the Citus interactive terminal"
 PGAPPICON=win32
 
 OBJS =command.o common.o help.o input.o stringutils.o mainloop.o copy.o \
@@ -26,7 +26,7 @@ OBJS =command.o common.o help.o input.o stringutils.o mainloop.o copy.o \
 
 PG_LIBS = $(libpq)
 
-include $(citusdb_top_builddir)/Makefile.global
+include $(citus_top_builddir)/Makefile.global
 
 override CPPFLAGS += -I$(libpq_srcdir) -I$(top_srcdir)/src/bin/csql
 

src/bin/csql/copy_options.c

@@ -1,5 +1,5 @@
 /*
- * csql - the CitusDB interactive terminal
+ * csql - the Citus interactive terminal
  * copy_options.c
  *	  Routines for parsing copy and stage meta commands.
  *

src/bin/csql/copy_options.h

@@ -1,5 +1,5 @@
 /*
- * csql - the CitusDB interactive terminal
+ * csql - the Citus interactive terminal
  * copy_options.h
  *	  Shared declarations for parsing copy and stage meta-commands. The stage
  *	  meta-command borrows from copy's syntax, but does not yet support

src/bin/csql/help.c

@@ -67,7 +67,7 @@ usage(unsigned short int pager)
 
 	output = PageOutput(59, pager ? &(pset.popt.topt) : NULL);
 
-	printf(_("csql is the CitusDB interactive terminal.\n\n"));
+	printf(_("csql is the Citus interactive terminal.\n\n"));
 	fprintf(output, _("Usage:\n"));
 	printf(_("  csql [OPTION]... [DBNAME [USERNAME]]\n\n"));
 

src/bin/csql/mainloop.c

@@ -200,7 +200,7 @@ MainLoop(FILE *source)
 			(line[4] == '\0' || line[4] == ';' || isspace((unsigned char) line[4])))
 		{
 			free(line);
-			puts(_("You are using csql, the command-line interface to CitusDB."));
+			puts(_("You are using csql, the command-line interface to Citus."));
 			printf(_("Type:  \\copyright for distribution terms\n"
 					 "       \\h for help with SQL commands\n"
 					 "       \\? for help with csql commands\n"

src/bin/csql/stage.c

@@ -1,5 +1,5 @@
 /*
- * csql - the CitusDB interactive terminal
+ * csql - the Citus interactive terminal
  * stage.c
  *	  Helper routines to execute the csql meta-command \stage. These routines
  *	  communicate with the master and worker nodes; and create new shards and

src/bin/csql/stage.h

@@ -1,5 +1,5 @@
 /*
- * csql - the CitusDB interactive terminal
+ * csql - the Citus interactive terminal
  * stage.h
  *	  Declarations for the csql meta-command \stage. These declarations define a
  *	  protocol for the client to communicate to the master and worker nodes.

src/include/.gitignore

@@ -1,4 +1,4 @@
 /stamp-h
 /stamp-ext-h
-/citusdb_config.h
+/citus_config.h
-/citusdb_config.h.in~
+/citus_config.h.in~

src/include/citus_config.h.in

@@ -1,9 +1,9 @@
-/* src/include/citusdb_config.h.in.  Generated from configure.in by autoheader.  */
+/* src/include/citus_config.h.in.  Generated from configure.in by autoheader.  */
 
 
 /*
- * citusdb_config.h.in is generated by autoconf/autoheader and
+ * citus_config.h.in is generated by autoconf/autoheader and
- * converted into citusdb_config.h by configure.  Include when code needs to
+ * converted into citus_config.h by configure.  Include when code needs to
  * depend on determinations made by configure.
  *
  * Do not manually edit!

src/include/distributed/citus_nodefuncs.h

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * citus_nodefuncs.h
- *	  Node (de-)serialization support for CitusDB.
+ *	  Node (de-)serialization support for Citus.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *

src/include/distributed/citus_nodes.h

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * citus_nodes.h
- *	  Additional node types, and related infrastructure, for CitusDB.
+ *	  Additional node types, and related infrastructure, for Citus.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *
@@ -52,7 +52,7 @@ typedef enum CitusNodeTag
 #define CitusIsA(nodeptr,_type_)	(CitusNodeTag(nodeptr) == T_##_type_)
 
 
-/* CitusDB variant of newNode(), don't use directly. */
+/* Citus variant of newNode(), don't use directly. */
 #define CitusNewNode(size, tag) \
 ({	Node   *_result; \
 	AssertMacro((size) >= sizeof(Node));		/* need the tag, at least */ \
@@ -63,7 +63,7 @@ typedef enum CitusNodeTag
 
 
 /*
- * CitusMakeNode is CitusDB variant of makeNode(). Use it to create nodes of
+ * CitusMakeNode is Citus variant of makeNode(). Use it to create nodes of
  * the types listed in the CitusNodeTag enum and plain NodeTag. Initializes
  * memory, besides the node tag, to 0.
  */

src/include/distributed/citus_ruleutils.h

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * citus_ruleutils.h
- *	  CitusDB ruleutils wrapper functions and exported PostgreSQL ruleutils
+ *	  Citus ruleutils wrapper functions and exported PostgreSQL ruleutils
  * 	  functions.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
@@ -15,7 +15,7 @@
 #include "nodes/parsenodes.h"
 
 
-/* Function declarations for version independent CitusDB ruleutils wrapper functions */
+/* Function declarations for version independent Citus ruleutils wrapper functions */
 extern char *pg_get_extensiondef_string(Oid tableRelationId);
 extern char *pg_get_serverdef_string(Oid tableRelationId);
 extern char *pg_get_tableschemadef_string(Oid tableRelationId);

src/include/distributed/listutils.h

@@ -9,8 +9,8 @@
  *-------------------------------------------------------------------------
  */
 
-#ifndef CITUSDB_LISTUTILS_H
+#ifndef CITUS_LISTUTILS_H
-#define CITUSDB_LISTUTILS_H
+#define CITUS_LISTUTILS_H
 
 #include "postgres.h"
 #include "c.h"
@@ -23,4 +23,4 @@ extern List * SortList(List *pointerList,
 					   int (*ComparisonFunction)(const void *, const void *));
 
 
-#endif /* CITUSDB_LISTUTILS_H */
+#endif /* CITUS_LISTUTILS_H */

src/include/distributed/metadata_cache.h

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * metadata_cache.h
- *	  Executor support for CitusDB.
+ *	  Executor support for Citus.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *
@@ -46,7 +46,7 @@ extern bool IsDistributedTable(Oid relationId);
 extern ShardInterval * LoadShardInterval(uint64 shardId);
 extern DistTableCacheEntry * DistributedTableCacheEntry(Oid distributedRelationId);
 
-extern bool CitusDBHasBeenLoaded(void);
+extern bool CitusHasBeenLoaded(void);
 
 /* relation oids */
 extern Oid DistPartitionRelationId(void);

src/include/distributed/multi_executor.h

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * multi_executor.h
- *	  Executor support for CitusDB.
+ *	  Executor support for Citus.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *-------------------------------------------------------------------------

src/include/distributed/multi_explain.h

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * multi_explain.h
- *	  Explain support for CitusDB.
+ *	  Explain support for Citus.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *-------------------------------------------------------------------------

src/include/distributed/multi_planner.h

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * multi_planner.h
- *	  General CitusDB planner code.
+ *	  General Citus planner code.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *-------------------------------------------------------------------------

src/include/distributed/multi_resowner.h

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * multi_resowner.h
- *	  CitusDB resource owner integration.
+ *	  Citus resource owner integration.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *-------------------------------------------------------------------------

src/include/distributed/multi_utility.h

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * multi_utility.h
- *	  CitusDB utility hook and related functionality.
+ *	  Citus utility hook and related functionality.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *-------------------------------------------------------------------------

src/include/distributed/resource_lock.h

@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * resource_lock.h
- *	  Locking Infrastructure for CitusDB.
+ *	  Locking Infrastructure for Citus.
  *
  * Copyright (c) 2012-2015, Citus Data, Inc.
  *-------------------------------------------------------------------------
@@ -21,7 +21,7 @@
  * advisory locks. Only 1 and 2 are used allowing us to define non-conflicting
  * lock methods.
  *
- * In case postgres starts to use additional values, CitusDB's values
+ * In case postgres starts to use additional values, Citus's values
  * will have to be changed. That just requires re-compiling and a restart.
  */
 typedef enum AdvisoryLocktagClass
@@ -29,7 +29,7 @@ typedef enum AdvisoryLocktagClass
 	/* values defined in postgres' lockfuncs.c */
 	ADV_LOCKTAG_CLASS_INT64 = 1,
 	ADV_LOCKTAG_CLASS_INT32 = 2,
-	/* CitusDB lock types */
+	/* Citus lock types */
 	ADV_LOCKTAG_CLASS_CITUS_SHARD_METADATA = 4,
 	ADV_LOCKTAG_CLASS_CITUS_SHARD = 5,
 	ADV_LOCKTAG_CLASS_CITUS_JOB = 6

src/include/distributed/test_helper_functions.h

@@ -10,8 +10,8 @@
  *-------------------------------------------------------------------------
  */
 
-#ifndef CITUSDB_TEST_HELPER_FUNCTIONS_H
+#ifndef CITUS_TEST_HELPER_FUNCTIONS_H
-#define CITUSDB_TEST_HELPER_FUNCTIONS_H
+#define CITUS_TEST_HELPER_FUNCTIONS_H
 
 #include "postgres.h"
 #include "c.h"
@@ -70,4 +70,4 @@ extern Datum prune_using_both_values(PG_FUNCTION_ARGS);
 extern Datum debug_equality_expression(PG_FUNCTION_ARGS);
 
 
-#endif /* CITUSDB_TEST_HELPER_FUNCTIONS_H */
+#endif /* CITUS_TEST_HELPER_FUNCTIONS_H */

src/include/distributed/worker_manager.h

@@ -23,7 +23,7 @@
 /* Maximum length of worker port number (represented as string) */
 #define MAX_PORT_LENGTH 10
 
-/* default filename for citusdb.worker_list_file */
+/* default filename for citus.worker_list_file */
 #define WORKER_LIST_FILENAME "pg_worker_list.conf"
 
 /* Implementation specific definitions used in finding worker nodes */

src/test/regress/Makefile

@@ -1,9 +1,9 @@
-# Makefile for tests of the CitusDB extension
+# Makefile for tests of the Citus extension
 
-citusdb_subdir = src/test/regress
+citus_subdir = src/test/regress
-citusdb_top_builddir = ../../..
+citus_top_builddir = ../../..
 
-include $(citusdb_top_builddir)/Makefile.global
+include $(citus_top_builddir)/Makefile.global
 
 # ensure MAJORVERSION is defined (missing in older versions)
 ifndef MAJORVERSION
@@ -11,11 +11,11 @@ MAJORVERSION := $(basename $(VERSION))
 endif
 
 ##
-## CitusDB regression support
+## Citus regression support
 ##
 MULTI_INSTALLDIR=$(CURDIR)/tmp_check/install
-pg_regress_multi_check = $(PERL) $(citusdb_abs_srcdir)/pg_regress_multi.pl --pgxsdir="$(pgxsdir)" --bindir="$(bindir)" --libdir="$(libdir)" --majorversion="$(MAJORVERSION)"
+pg_regress_multi_check = $(PERL) $(citus_abs_srcdir)/pg_regress_multi.pl --pgxsdir="$(pgxsdir)" --bindir="$(bindir)" --libdir="$(libdir)" --majorversion="$(MAJORVERSION)"
-MULTI_REGRESS_OPTS = --inputdir=$(citusdb_abs_srcdir) $(pg_regress_locale_flags)
+MULTI_REGRESS_OPTS = --inputdir=$(citus_abs_srcdir) $(pg_regress_locale_flags)
 
 # XXX: Can't actually do useful testruns against install - $libdir
 # etc will point to the directory configured during postgres'
@@ -26,12 +26,12 @@ cleandir-main:
 ###
 tempinstall-main: cleandir-main
 ####	mkdir -p $(MULTI_INSTALLDIR)
-###	$(MAKE) DESTDIR=$(MULTI_INSTALLDIR) -C $(citusdb_top_builddir) install > tmp_check/install.log 2>&1
+###	$(MAKE) DESTDIR=$(MULTI_INSTALLDIR) -C $(citus_top_builddir) install > tmp_check/install.log 2>&1
 
 # Test input and expected files.  These are created by pg_regress itself, so we
 # don't have a rule to create them.  We do need rules to clean them however.
-input_files := $(patsubst $(citusdb_abs_srcdir)/input/%.source,sql/%.sql, $(wildcard $(citusdb_abs_srcdir)/input/*.source))
+input_files := $(patsubst $(citus_abs_srcdir)/input/%.source,sql/%.sql, $(wildcard $(citus_abs_srcdir)/input/*.source))
-output_files := $(patsubst $(citusdb_abs_srcdir)/output/%.source,expected/%.out, $(wildcard $(citusdb_abs_srcdir)/output/*.source))
+output_files := $(patsubst $(citus_abs_srcdir)/output/%.source,expected/%.out, $(wildcard $(citus_abs_srcdir)/output/*.source))
 
 # have make check actually run all tests, but keep check-full as an
 # intermediate, for muscle memory backward compatibility.
@@ -42,32 +42,32 @@ check-full: check-multi check-multi-task-tracker check-multi-binary check-worker
 # using pg_regress_multi_check unnecessarily starts up multiple nodes, which isn't needed
 # for check-worker. But that's harmless besides a few cycles.
 check-worker: all
-	$(pg_regress_multi_check) --load-extension=citusdb \
+	$(pg_regress_multi_check) --load-extension=citus \
-	-- $(MULTI_REGRESS_OPTS) --schedule=$(citusdb_abs_srcdir)/worker_schedule $(EXTRA_TESTS)
+	-- $(MULTI_REGRESS_OPTS) --schedule=$(citus_abs_srcdir)/worker_schedule $(EXTRA_TESTS)
 
 check-multi: all tempinstall-main
-	$(pg_regress_multi_check) --load-extension=citusdb \
+	$(pg_regress_multi_check) --load-extension=citus \
-	-- $(MULTI_REGRESS_OPTS) --schedule=$(citusdb_abs_srcdir)/multi_schedule $(EXTRA_TESTS)
+	-- $(MULTI_REGRESS_OPTS) --schedule=$(citus_abs_srcdir)/multi_schedule $(EXTRA_TESTS)
 
 check-multi-fdw: all tempinstall-main
-	$(pg_regress_multi_check) --load-extension=citusdb --load-extension=file_fdw -- \
+	$(pg_regress_multi_check) --load-extension=citus --load-extension=file_fdw -- \
-	$(MULTI_REGRESS_OPTS) --schedule=$(citusdb_abs_srcdir)/multi_fdw_schedule $(EXTRA_TESTS)
+	$(MULTI_REGRESS_OPTS) --schedule=$(citus_abs_srcdir)/multi_fdw_schedule $(EXTRA_TESTS)
 
 check-multi-hll: all tempinstall-main
-	$(pg_regress_multi_check) --load-extension=citusdb --load-extension=hll -- \
+	$(pg_regress_multi_check) --load-extension=citus --load-extension=hll -- \
 	$(MULTI_REGRESS_OPTS) $(EXTRA_TESTS) multi_create_table multi_master_protocol multi_stage_data multi_agg_approximate_distinct
 
 check-multi-task-tracker: all tempinstall-main
-	$(pg_regress_multi_check) --load-extension=citusdb \
+	$(pg_regress_multi_check) --load-extension=citus \
-	--server-option=citusdb.task_executor_type=task-tracker \
+	--server-option=citus.task_executor_type=task-tracker \
-	--server-option=citusdb.task_tracker_delay=50ms \
+	--server-option=citus.task_tracker_delay=50ms \
-	--server-option=citusdb.large_table_shard_count=1 \
+	--server-option=citus.large_table_shard_count=1 \
-	-- $(MULTI_REGRESS_OPTS) --schedule=$(citusdb_abs_srcdir)/multi_schedule $(EXTRA_TESTS)
+	-- $(MULTI_REGRESS_OPTS) --schedule=$(citus_abs_srcdir)/multi_schedule $(EXTRA_TESTS)
 
 check-multi-binary: all tempinstall-main
-	$(pg_regress_multi_check) --load-extension=citusdb \
+	$(pg_regress_multi_check) --load-extension=citus \
-	--server-option=citusdb.binary_worker_copy_format=on \
+	--server-option=citus.binary_worker_copy_format=on \
-	-- $(MULTI_REGRESS_OPTS) --schedule=$(citusdb_abs_srcdir)/multi_schedule $(EXTRA_TESTS)
+	-- $(MULTI_REGRESS_OPTS) --schedule=$(citus_abs_srcdir)/multi_schedule $(EXTRA_TESTS)
 
 clean distclean maintainer-clean:
 	rm -f $(output_files) $(input_files)

src/test/regress/expected/multi_agg_approximate_distinct.out

@@ -7,14 +7,14 @@ ERROR:  cannot compute aggregate (distinct)
 DETAIL:  table partitioning is unsuitable for aggregate (distinct)
 HINT:  You can load the hll extension from contrib packages and enable distinct approximations.
 -- Check approximate count(distinct) at different precisions / error rates
-SET citusdb.count_distinct_error_rate = 0.1;
+SET citus.count_distinct_error_rate = 0.1;
 SELECT count(distinct l_orderkey) FROM lineitem;
  count 
 -------
   2612
 (1 row)
 
-SET citusdb.count_distinct_error_rate = 0.01;
+SET citus.count_distinct_error_rate = 0.01;
 SELECT count(distinct l_orderkey) FROM lineitem;
  count 
 -------
@@ -102,7 +102,7 @@ SELECT count(DISTINCT l_orderkey) as distinct_order_count, l_quantity FROM linei
 
 -- If we have an order by on count(distinct) that we intend to push down to
 -- worker nodes, we need to error out. Otherwise, we are fine.
-SET citusdb.limit_clause_row_fetch_count = 1000;
+SET citus.limit_clause_row_fetch_count = 1000;
 SELECT l_returnflag, count(DISTINCT l_shipdate) as count_distinct, count(*) as total 
 	FROM lineitem
 	GROUP BY l_returnflag
@@ -123,7 +123,7 @@ SELECT l_returnflag, count(DISTINCT l_shipdate) as count_distinct, count(*) as t
 (3 rows)
 
 -- Check that we can revert config and disable count(distinct) approximations
-SET citusdb.count_distinct_error_rate = 0.0;
+SET citus.count_distinct_error_rate = 0.0;
 SELECT count(distinct l_orderkey) FROM lineitem;
 ERROR:  cannot compute aggregate (distinct)
 DETAIL:  table partitioning is unsuitable for aggregate (distinct)

src/test/regress/expected/multi_binary_master_copy_format.out

@@ -2,8 +2,8 @@
 -- MULTI_BINARY_MASTER_COPY
 --
 -- Try binary master copy for different executors
-SET citusdb.binary_master_copy_format TO 'on';
+SET citus.binary_master_copy_format TO 'on';
-SET citusdb.task_executor_type TO 'task-tracker';
+SET citus.task_executor_type TO 'task-tracker';
 SELECT count(*) FROM lineitem;
  count 
 -------
@@ -17,7 +17,7 @@ SELECT l_shipmode FROM lineitem WHERE l_partkey = 67310 OR l_partkey = 155190;
  MAIL      
 (2 rows)
 
-SET citusdb.task_executor_type TO 'real-time';
+SET citus.task_executor_type TO 'real-time';
 SELECT count(*) FROM lineitem;
  count 
 -------

src/test/regress/expected/multi_connection_cache.out

@@ -3,19 +3,19 @@
 -- ===================================================================
 CREATE FUNCTION initialize_remote_temp_table(cstring, integer)
 	RETURNS bool
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION count_remote_temp_table_rows(cstring, integer)
 	RETURNS integer
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION get_and_purge_connection(cstring, integer)
 	RETURNS bool
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION set_connection_status_bad(cstring, integer)
 	RETURNS bool
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 -- ===================================================================
 -- test connection hash functionality

src/test/regress/expected/multi_create_fdw.out

@@ -4,7 +4,7 @@
 -- create fake fdw for use in tests
 CREATE FUNCTION fake_fdw_handler()
 RETURNS fdw_handler
-AS 'citusdb'
+AS 'citus'
 LANGUAGE C STRICT;
 CREATE FOREIGN DATA WRAPPER fake_fdw HANDLER fake_fdw_handler;
 CREATE SERVER fake_fdw_server FOREIGN DATA WRAPPER fake_fdw;

src/test/regress/expected/multi_create_insert_proxy.out

@@ -9,8 +9,8 @@ CREATE SCHEMA "A$AP Mob"
 		id bigint PRIMARY KEY,
 		data text NOT NULL DEFAULT 'lorem ipsum'
 	);
-NOTICE:  CitusDB partially supports CREATE SCHEMA for distributed databases
+NOTICE:  Citus partially supports CREATE SCHEMA for distributed databases
-DETAIL:  schema usage in joins and in some UDFs provided by CitusDB are not supported yet
+DETAIL:  schema usage in joins and in some UDFs provided by Citus are not supported yet
 \set insert_target '"A$AP Mob"."Dr. Bronner''s ""Magic"" Soaps"'
 -- create proxy and save proxy table name
 SELECT create_insert_proxy_for_table(:'insert_target') AS proxy_tablename

src/test/regress/expected/multi_create_shards.out

@@ -3,7 +3,7 @@
 -- ===================================================================
 CREATE FUNCTION sort_names(cstring, cstring, cstring)
 	RETURNS cstring
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 -- create a custom type...
 CREATE TYPE dummy_type AS (
@@ -47,7 +47,7 @@ SELECT master_create_distributed_table('table_to_distribute', 'bad_column', 'has
 ERROR:  column "bad_column" of relation "table_to_distribute" does not exist
 -- use unrecognized partition type
 SELECT master_create_distributed_table('table_to_distribute', 'name', 'unrecognized');
-ERROR:  invalid input value for enum citusdb.distribution_type: "unrecognized"
+ERROR:  invalid input value for enum citus.distribution_type: "unrecognized"
 LINE 1: ..._distributed_table('table_to_distribute', 'name', 'unrecogni...
                                                              ^
 -- use a partition column of a type lacking any default operator class
@@ -209,7 +209,7 @@ SELECT master_create_worker_shards('weird_shard_count', 7, 1);
  
 (1 row)
 
--- CitusDB ensures all shards are roughly the same size
+-- Citus ensures all shards are roughly the same size
 SELECT shardmaxvalue::integer - shardminvalue::integer AS shard_size
 	FROM pg_dist_shard
 	WHERE logicalrelid = 'weird_shard_count'::regclass

src/test/regress/expected/multi_create_table.out

@@ -109,7 +109,7 @@ SELECT master_create_distributed_table('supplier', 's_suppkey', 'append');
  
 (1 row)
 
--- now test that CitusDB cannot distribute unique constraints that do not include
+-- now test that Citus cannot distribute unique constraints that do not include
 -- the partition column
 CREATE TABLE primary_key_on_non_part_col
 (
@@ -127,7 +127,7 @@ CREATE TABLE unique_const_on_non_part_col
 SELECT master_create_distributed_table('primary_key_on_non_part_col', 'partition_col', 'hash');
 ERROR:  cannot distribute relation: "primary_key_on_non_part_col"
 DETAIL:  Distributed relations cannot have UNIQUE constraints or PRIMARY KEYs that do not include the partition column.
--- now show that CitusDB can distribute unique constrints that include
+-- now show that Citus can distribute unique constrints that include
 -- the partition column
 CREATE TABLE primary_key_on_part_col
 (

src/test/regress/expected/multi_distribution_metadata.out

@@ -3,55 +3,55 @@
 -- ===================================================================
 CREATE FUNCTION load_shard_id_array(regclass)
 	RETURNS bigint[]
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION load_shard_interval_array(bigint, anyelement)
 	RETURNS anyarray
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION load_shard_placement_array(bigint, bool)
 	RETURNS text[]
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION partition_column_id(regclass)
 	RETURNS smallint
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION partition_type(regclass)
 	RETURNS "char"
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION is_distributed_table(regclass)
 	RETURNS boolean
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION column_name_to_column_id(regclass, cstring)
 	RETURNS smallint
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION create_monolithic_shard_row(regclass)
 	RETURNS bigint
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION create_healthy_local_shard_placement_row(bigint)
 	RETURNS void
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION delete_shard_placement_row(bigint, text, bigint)
 	RETURNS bool
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION update_shard_placement_row_state(bigint, text, bigint, int)
 	RETURNS bool
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION acquire_shared_shard_lock(bigint)
 	RETURNS void
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION column_name_to_column(regclass, text)
 	RETURNS text
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 -- ===================================================================
 -- test distribution metadata functionality

src/test/regress/expected/multi_generate_ddl_commands.out

@@ -3,7 +3,7 @@
 -- ===================================================================
 CREATE FUNCTION table_ddl_command_array(regclass)
 	RETURNS text[]
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 -- ===================================================================
 -- test ddl command generation functionality
@@ -33,8 +33,8 @@ SELECT table_ddl_command_array('not_null_table');
 
 -- ensure tables not in search path are schema-prefixed
 CREATE SCHEMA not_in_path CREATE TABLE simple_table (id bigint);
-NOTICE:  CitusDB partially supports CREATE SCHEMA for distributed databases
+NOTICE:  Citus partially supports CREATE SCHEMA for distributed databases
-DETAIL:  schema usage in joins and in some UDFs provided by CitusDB are not supported yet
+DETAIL:  schema usage in joins and in some UDFs provided by Citus are not supported yet
 SELECT table_ddl_command_array('not_in_path.simple_table');
                                      table_ddl_command_array                                     
 -------------------------------------------------------------------------------------------------

src/test/regress/expected/multi_generate_ddl_commands_0.out

@@ -3,7 +3,7 @@
 -- ===================================================================
 CREATE FUNCTION table_ddl_command_array(regclass)
 	RETURNS text[]
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 -- ===================================================================
 -- test ddl command generation functionality
@@ -33,8 +33,8 @@ SELECT table_ddl_command_array('not_null_table');
 
 -- ensure tables not in search path are schema-prefixed
 CREATE SCHEMA not_in_path CREATE TABLE simple_table (id bigint);
-NOTICE:  CitusDB partially supports CREATE SCHEMA for distributed databases
+NOTICE:  Citus partially supports CREATE SCHEMA for distributed databases
-DETAIL:  schema usage in joins and in some UDFs provided by CitusDB are not supported yet
+DETAIL:  schema usage in joins and in some UDFs provided by Citus are not supported yet
 SELECT table_ddl_command_array('not_in_path.simple_table');
                                      table_ddl_command_array                                     
 -------------------------------------------------------------------------------------------------

src/test/regress/expected/multi_join_order_additional.out

@@ -2,7 +2,7 @@
 -- MULTI_JOIN_ORDER_ADDITIONAL
 --
 -- Set configuration to print table join order and pruned shards
-SET citusdb.log_multi_join_order TO TRUE;
+SET citus.log_multi_join_order TO TRUE;
 SET client_min_messages TO DEBUG2;
 -- The following query checks that we can correctly handle self-joins
 EXPLAIN SELECT l1.l_quantity FROM lineitem l1, lineitem l2
@@ -42,7 +42,7 @@ DEBUG:  join prunable for intervals [1,2496] and [2497,4964]
 (1 row)
 
 -- Update configuration to treat lineitem and orders tables as large
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 SET client_min_messages TO LOG;
 -- The following queries check that we correctly handle joins and OR clauses. In
 -- particular, these queries check that we factorize out OR clauses if possible,
@@ -106,7 +106,7 @@ LOG:  join order: [ "customer" ][ broadcast join "nation" ]
 UPDATE pg_dist_partition SET partmethod = 'a' WHERE
        logicalrelid = (SELECT relfilenode FROM pg_class WHERE relname = 'customer');
 -- Update the large table shard count for all the following tests.
-SET citusdb.large_table_shard_count TO 1;
+SET citus.large_table_shard_count TO 1;
 -- Validate that we don't use a single-partition join method for a hash
 -- re-partitioned table, thus preventing a partition of just the customer table.
 EXPLAIN SELECT count(*) FROM orders, lineitem, customer

src/test/regress/expected/multi_join_order_tpch_large.out

@@ -2,13 +2,13 @@
 -- MULTI_JOIN_ORDER_TPCH_LARGE
 --
 -- Enable configuration to print table join order
-SET citusdb.log_multi_join_order TO TRUE;
+SET citus.log_multi_join_order TO TRUE;
 SET client_min_messages TO LOG;
 -- Change configuration to treat lineitem, orders, customer, and part tables as
 -- large. The following queries are basically the same as the ones in tpch_small
 -- except that more data has been staged to customer and part tables. Therefore,
 -- we will apply different distributed join strategies for these queries.
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 -- Query #6 from the TPC-H decision support benchmark
 EXPLAIN SELECT
 	sum(l_extendedprice * l_discount) as revenue

src/test/regress/expected/multi_join_order_tpch_small.out

@@ -2,10 +2,10 @@
 -- MULTI_JOIN_ORDER_TPCH_SMALL
 --
 -- Enable configuration to print table join order
-SET citusdb.log_multi_join_order TO TRUE;
+SET citus.log_multi_join_order TO TRUE;
 SET client_min_messages TO LOG;
 -- Change configuration to treat lineitem and orders tables as large
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 -- Query #6 from the TPC-H decision support benchmark
 EXPLAIN SELECT
 	sum(l_extendedprice * l_discount) as revenue

src/test/regress/expected/multi_join_pruning.out

@@ -6,7 +6,7 @@
 -- future we want to check for pruning between re-partitioned relations as well.
 SET client_min_messages TO DEBUG2;
 -- Change configuration to treat all tables as large
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 SELECT sum(l_linenumber), avg(l_linenumber) FROM lineitem, orders
 	WHERE l_orderkey = o_orderkey;
 DEBUG:  join prunable for intervals [13921,14947] and [1,5986]

src/test/regress/expected/multi_large_table_join_planning.out

@@ -8,11 +8,11 @@
 BEGIN;
 SET client_min_messages TO DEBUG4;
 DEBUG:  CommitTransactionCommand
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand
-SET citusdb.task_executor_type TO 'task-tracker';
+SET citus.task_executor_type TO 'task-tracker';
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand

src/test/regress/expected/multi_large_table_join_planning_0.out

@@ -8,11 +8,11 @@
 BEGIN;
 SET client_min_messages TO DEBUG4;
 DEBUG:  CommitTransactionCommand
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand
-SET citusdb.task_executor_type TO 'task-tracker';
+SET citus.task_executor_type TO 'task-tracker';
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand

src/test/regress/expected/multi_large_table_pruning.out

@@ -4,9 +4,9 @@
 -- Tests covering partition and join-pruning for large table joins. Note that we
 -- set executor type to task tracker executor here, as we cannot run repartition
 -- jobs with real time executor.
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 SET client_min_messages TO DEBUG2;
-SET citusdb.task_executor_type TO 'task-tracker';
+SET citus.task_executor_type TO 'task-tracker';
 -- Single range-repartition join to test join-pruning behaviour.
 SELECT
 	count(*)

src/test/regress/expected/multi_large_table_task_assignment.out

@@ -8,11 +8,11 @@
 BEGIN;
 SET client_min_messages TO DEBUG3;
 DEBUG:  CommitTransactionCommand
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand
-SET citusdb.task_executor_type TO 'task-tracker';
+SET citus.task_executor_type TO 'task-tracker';
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand
@@ -52,7 +52,7 @@ DEBUG:  CommitTransactionCommand
 -- more than one shard. This situation results in multiple sql tasks depending on
 -- the same merge task, and tests our constraint group creation and assignment
 -- propagation. Here 'orders' is considered the small table.
-SET citusdb.large_table_shard_count TO 3;
+SET citus.large_table_shard_count TO 3;
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand
@@ -128,7 +128,7 @@ DEBUG:  CommitTransactionCommand
  11998
 (1 row)
 
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand

src/test/regress/expected/multi_limit_clause_approximate.out

@@ -24,7 +24,7 @@ SELECT l_partkey, sum(l_partkey * (1 + l_suppkey)) AS aggregate FROM lineitem
 (10 rows)
 
 -- Enable limit optimization to fetch one third of each shard's data
-SET citusdb.limit_clause_row_fetch_count TO 600;
+SET citus.limit_clause_row_fetch_count TO 600;
 SELECT l_partkey, sum(l_partkey * (1 + l_suppkey)) AS aggregate FROM lineitem
 	GROUP BY l_partkey
 	ORDER BY aggregate DESC LIMIT 10;
@@ -45,7 +45,7 @@ DEBUG:  push down of limit count: 600
 
 -- Disable limit optimization for our second test. This time, we have a query
 -- that joins several tables, and that groups and orders the results.
-RESET citusdb.limit_clause_row_fetch_count;
+RESET citus.limit_clause_row_fetch_count;
 SELECT c_custkey, c_name, count(*) as lineitem_count
 	FROM customer, orders, lineitem
 	WHERE c_custkey = o_custkey AND l_orderkey = o_orderkey
@@ -68,8 +68,8 @@ SELECT c_custkey, c_name, count(*) as lineitem_count
 -- Now, enable limit optimization to fetch half of each task's results. For this
 -- test, we also change a config setting to ensure that we don't repartition any
 -- of the tables during the query.
-SET citusdb.limit_clause_row_fetch_count TO 150;
+SET citus.limit_clause_row_fetch_count TO 150;
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 SELECT c_custkey, c_name, count(*) as lineitem_count
 	FROM customer, orders, lineitem
 	WHERE c_custkey = o_custkey AND l_orderkey = o_orderkey
@@ -90,7 +90,7 @@ DEBUG:  push down of limit count: 150
        145 | Customer#000000145 |             30
 (10 rows)
 
-RESET citusdb.large_table_shard_count;
+RESET citus.large_table_shard_count;
 -- We now test scenarios where applying the limit optimization wouldn't produce
 -- meaningful results. First, we check that we don't push down the limit clause
 -- for non-commutative aggregates.
@@ -147,5 +147,5 @@ SELECT count(*) count_quantity, l_quantity FROM lineitem WHERE l_quantity < 10.0
             258 |       9.00
 (9 rows)
 
-RESET citusdb.limit_clause_row_fetch_count;
+RESET citus.limit_clause_row_fetch_count;
 RESET client_min_messages;

src/test/regress/expected/multi_modifications.out

@@ -91,7 +91,7 @@ INSERT INTO append_partitioned VALUES (414123, 'AAPL', 9580, '2004-10-19 10:23:5
 									   20.69);
 -- ensure the values are where we put them and query to ensure they are properly pruned
 SET client_min_messages TO 'DEBUG2';
-SET citusdb.task_executor_type TO 'router';
+SET citus.task_executor_type TO 'router';
 SELECT * FROM range_partitioned WHERE id = 32743;
 DEBUG:  predicate pruning for shardId 103070
   id   | symbol | bidder_id |        placed_at         | kind | limit_price 
@@ -107,7 +107,7 @@ DEBUG:  predicate pruning for shardId 103072
 (1 row)
 
 SET client_min_messages TO DEFAULT;
-SET citusdb.task_executor_type TO DEFAULT;
+SET citus.task_executor_type TO DEFAULT;
 -- try inserting without a range-partitioned shard to receive the value
 INSERT INTO range_partitioned VALUES (999999, 'AAPL', 9580, '2004-10-19 10:23:54', 'buy',
 									  20.69);

src/test/regress/expected/multi_null_minmax_value_pruning.out

@@ -5,7 +5,7 @@
 -- and that we don't partition or join prune shards that have null values.
 SET client_min_messages TO DEBUG2;
 -- Change configuration to treat lineitem and orders tables as large
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 SELECT shardminvalue, shardmaxvalue from pg_dist_shard WHERE shardid = 102009;
  shardminvalue | shardmaxvalue 
 ---------------+---------------

src/test/regress/expected/multi_prepare_plsql.out

@@ -173,7 +173,7 @@ BEGIN
 			l_year;
 END;
 $$ LANGUAGE plpgsql;
-SET citusdb.task_executor_type TO 'task-tracker';
+SET citus.task_executor_type TO 'task-tracker';
 SET client_min_messages TO INFO;
 -- now, run plain SQL functions
 SELECT sql_test_no_1();
@@ -313,7 +313,7 @@ SELECT plpgsql_test_2();
 
 -- run the tests which do not require re-partition
 -- with real-time executor
-SET citusdb.task_executor_type TO 'real-time';
+SET citus.task_executor_type TO 'real-time';
 -- now, run plain SQL functions
 SELECT sql_test_no_1();
  sql_test_no_1 

src/test/regress/expected/multi_prepare_sql.out

@@ -95,7 +95,7 @@ ORDER BY
 	supp_nation,
 	cust_nation,
 	l_year;
-SET citusdb.task_executor_type TO 'task-tracker';
+SET citus.task_executor_type TO 'task-tracker';
 SET client_min_messages TO INFO;
 -- execute prepared statements
 EXECUTE prepared_test_1;
@@ -217,7 +217,7 @@ SELECT * from prepared_sql_test_7;
 (1 row)
 
 -- now, run some of the tests with real-time executor
-SET citusdb.task_executor_type TO 'real-time';
+SET citus.task_executor_type TO 'real-time';
 -- execute prepared statements
 EXECUTE prepared_test_1;
  count 

src/test/regress/expected/multi_prune_shard_list.out

@@ -3,23 +3,23 @@
 -- ===================================================================
 CREATE FUNCTION prune_using_no_values(regclass)
 	RETURNS text[]
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION prune_using_single_value(regclass, text)
 	RETURNS text[]
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C;
 CREATE FUNCTION prune_using_either_value(regclass, text, text)
 	RETURNS text[]
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION prune_using_both_values(regclass, text, text)
 	RETURNS text[]
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 CREATE FUNCTION debug_equality_expression(regclass)
 	RETURNS cstring
-	AS 'citusdb'
+	AS 'citus'
 	LANGUAGE C STRICT;
 -- ===================================================================
 -- test shard pruning functionality

src/test/regress/expected/multi_simple_queries.out

@@ -169,7 +169,7 @@ SELECT title, author_id FROM articles
 (10 rows)
 
 -- add in some grouping expressions, still on same shard
--- having queries unsupported in CitusDB
+-- having queries unsupported in Citus
 SELECT author_id, sum(word_count) AS corpus_size FROM articles
 	WHERE author_id = 1 OR author_id = 7 OR author_id = 8 OR author_id = 10
 	GROUP BY author_id
@@ -190,7 +190,7 @@ ERROR:  cannot plan queries that include both regular and partitioned relations
 SELECT * FROM articles, position('om' in 'Thomas');
 ERROR:  cannot perform distributed planning on this query
 DETAIL:  Complex table expressions are currently unsupported
--- subqueries are not supported in WHERE clause in CitusDB
+-- subqueries are not supported in WHERE clause in Citus
 SELECT * FROM articles WHERE author_id IN (SELECT id FROM authors WHERE name LIKE '%a');
 ERROR:  cannot plan queries that include both regular and partitioned relations
 -- subqueries are supported in FROM clause
@@ -285,7 +285,7 @@ SELECT COUNT(*) FROM articles;
     50
 (1 row)
 
--- having queries unsupported in CitusDB
+-- having queries unsupported in Citus
 SELECT author_id, sum(word_count) AS corpus_size FROM articles
 	GROUP BY author_id
 	HAVING sum(word_count) > 25000
@@ -293,17 +293,17 @@ SELECT author_id, sum(word_count) AS corpus_size FROM articles
 	LIMIT 5;
 ERROR:  cannot perform distributed planning on this query
 DETAIL:  Having qual is currently unsupported
--- more proof CitusDB doesn't support having clauses
+-- more proof Citus doesn't support having clauses
 SELECT author_id FROM articles
 	GROUP BY author_id
 	HAVING sum(word_count) > 50000
 	ORDER BY author_id;
 ERROR:  cannot perform distributed planning on this query
 DETAIL:  Having qual is currently unsupported
--- now, test the cases where CitusDB do or do not need to create
+-- now, test the cases where Citus do or do not need to create
 -- the master queries
-SET citusdb.task_executor_type TO 'router';
+SET citus.task_executor_type TO 'router';
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 SET client_min_messages TO 'DEBUG2';
 -- start with the simple lookup query
 SELECT *
@@ -338,7 +338,7 @@ SELECT *
 	FROM articles
 	WHERE author_id = 1 OR author_id = 18;
 ERROR:  cannot use router executor with queries that hit multiple shards
-HINT:  Set citusdb.task_executor_type to "real-time" or "task-tracker".
+HINT:  Set citus.task_executor_type to "real-time" or "task-tracker".
 -- rename the output columns on a no master query case
 SELECT id as article_id, word_count * id as random_value
 	FROM articles
@@ -377,7 +377,7 @@ SELECT a.author_id as first_author, b.word_count as second_word_count
 DEBUG:  push down of limit count: 3
 DEBUG:  predicate pruning for shardId 103094
 ERROR:  cannot use router executor with JOINs
-HINT:  Set citusdb.task_executor_type to "real-time" or "task-tracker".
+HINT:  Set citus.task_executor_type to "real-time" or "task-tracker".
 -- do not create the master query for LIMIT on a single shard SELECT
 SELECT *
 	FROM articles
@@ -417,7 +417,7 @@ SELECT avg(word_count)
 	WHERE author_id = 2;
 DEBUG:  predicate pruning for shardId 103093
 ERROR:  cannot use router executor with aggregates
-HINT:  Set citusdb.task_executor_type to "real-time" or "task-tracker".
+HINT:  Set citus.task_executor_type to "real-time" or "task-tracker".
 -- max, min, sum, count is somehow implemented
 -- differently in distributed planning but, still error out 
 SELECT max(word_count) as max, min(word_count) as min,
@@ -426,7 +426,7 @@ SELECT max(word_count) as max, min(word_count) as min,
 	WHERE author_id = 2;
 DEBUG:  predicate pruning for shardId 103093
 ERROR:  cannot use router executor with aggregates
-HINT:  Set citusdb.task_executor_type to "real-time" or "task-tracker".
+HINT:  Set citus.task_executor_type to "real-time" or "task-tracker".
 -- error out for queries with ORDER BY
 SELECT *
 	FROM articles
@@ -434,7 +434,7 @@ SELECT *
 	ORDER BY word_count;
 DEBUG:  predicate pruning for shardId 103094
 ERROR:  cannot use router executor with ORDER BY clauses
-HINT:  Set citusdb.task_executor_type to "real-time" or "task-tracker".
+HINT:  Set citus.task_executor_type to "real-time" or "task-tracker".
 -- error out for queries with ORDER BY and LIMIT
 SELECT *
 	FROM articles
@@ -444,7 +444,7 @@ SELECT *
 DEBUG:  push down of limit count: 2
 DEBUG:  predicate pruning for shardId 103094
 ERROR:  cannot use router executor with ORDER BY clauses
-HINT:  Set citusdb.task_executor_type to "real-time" or "task-tracker".
+HINT:  Set citus.task_executor_type to "real-time" or "task-tracker".
 -- error out for queries with aggregates and GROUP BY
 SELECT max(word_count)
 	FROM articles
@@ -452,7 +452,7 @@ SELECT max(word_count)
 	GROUP BY author_id;
 DEBUG:  predicate pruning for shardId 103094
 ERROR:  cannot use router executor with aggregates
-HINT:  Set citusdb.task_executor_type to "real-time" or "task-tracker".
+HINT:  Set citus.task_executor_type to "real-time" or "task-tracker".
 -- error out for queries with repartition jobs
 SELECT *
 	FROM articles a, articles b
@@ -487,12 +487,12 @@ DETAIL:  Creating dependency on merge taskId 9
 DEBUG:  pruning merge fetch taskId 11
 DETAIL:  Creating dependency on merge taskId 14
 ERROR:  cannot use router executor with repartition jobs
-HINT:  Set citusdb.task_executor_type to "task-tracker".
+HINT:  Set citus.task_executor_type to "task-tracker".
 -- error out for queries which hit more than 1 shards
 SELECT *
 	FROM articles
 	WHERE author_id >= 1 AND author_id <= 3;
 ERROR:  cannot use router executor with queries that hit multiple shards
-HINT:  Set citusdb.task_executor_type to "real-time" or "task-tracker".
+HINT:  Set citus.task_executor_type to "real-time" or "task-tracker".
 SET client_min_messages to 'NOTICE';
-SET citusdb.task_executor_type TO 'real-time';
+SET citus.task_executor_type TO 'real-time';

src/test/regress/expected/multi_single_relation_subquery.out

@@ -2,7 +2,7 @@
 -- MULTI_SINGLE_RELATION_SUBQUERY
 --
 -- This test checks that we are able to run selected set of distributed SQL subqueries.
-SET citusdb.task_executor_type TO 'task-tracker';
+SET citus.task_executor_type TO 'task-tracker';
 select
     number_sum,
     count(*) as total,

src/test/regress/expected/multi_table_ddl.out

@@ -9,12 +9,12 @@ SELECT master_create_distributed_table('testtableddl', 'distributecol', 'append'
  
 (1 row)
 
--- verify that the citusdb extension can't be dropped while distributed tables exist
+-- verify that the citus extension can't be dropped while distributed tables exist
-DROP EXTENSION citusdb;
+DROP EXTENSION citus;
 WARNING:  could not clean the metadata cache on DROP EXTENSION command
 HINT:  Reconnect to the server again.
-ERROR:  cannot drop extension citusdb because other objects depend on it
+ERROR:  cannot drop extension citus because other objects depend on it
-DETAIL:  table testtableddl depends on extension citusdb
+DETAIL:  table testtableddl depends on extension citus
 HINT:  Use DROP ... CASCADE to drop the dependent objects too.
 -- verify that the distribution column can't have its type changed
 ALTER TABLE testtableddl ALTER COLUMN distributecol TYPE text;
@@ -63,8 +63,8 @@ SELECT * FROM pg_dist_shard_placement;
 -- check that the extension now can be dropped (and recreated). We reconnect
 -- before creating the extension to expire extension specific variables which
 -- are cached for performance.
-DROP EXTENSION citusdb;
+DROP EXTENSION citus;
 WARNING:  could not clean the metadata cache on DROP EXTENSION command
 HINT:  Reconnect to the server again.
 \c
-CREATE EXTENSION citusdb;
+CREATE EXTENSION citus;

src/test/regress/expected/multi_task_assignment_policy.out

@@ -46,7 +46,7 @@ BEGIN;
 SET client_min_messages TO DEBUG3;
 DEBUG:  CommitTransactionCommand
 -- First test the default greedy task assignment policy
-SET citusdb.task_assignment_policy TO 'greedy';
+SET citus.task_assignment_policy TO 'greedy';
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand
@@ -75,7 +75,7 @@ DEBUG:  CommitTransactionCommand
 (1 row)
 
 -- Next test the first-replica task assignment policy
-SET citusdb.task_assignment_policy TO 'first-replica';
+SET citus.task_assignment_policy TO 'first-replica';
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand
@@ -118,7 +118,7 @@ DEBUG:  CommitTransactionCommand
 (1 row)
 
 -- Finally test the round-robin task assignment policy
-SET citusdb.task_assignment_policy TO 'round-robin';
+SET citus.task_assignment_policy TO 'round-robin';
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand
@@ -158,7 +158,7 @@ DEBUG:  CommitTransactionCommand
  explain statements for distributed queries are currently unsupported
 (1 row)
 
-RESET citusdb.task_assignment_policy;
+RESET citus.task_assignment_policy;
 DEBUG:  StartTransactionCommand
 DEBUG:  ProcessUtility
 DEBUG:  CommitTransactionCommand

src/test/regress/expected/multi_tpch_query1.out

@@ -2,7 +2,7 @@
 -- MULTI_TPCH_QUERY1
 --
 -- Change configuration to treat lineitem and orders tables as large
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 -- Query #1 from the TPC-H decision support benchmark
 SELECT
 	l_returnflag,

src/test/regress/expected/multi_tpch_query10.out

@@ -2,7 +2,7 @@
 -- MULTI_TPCH_QUERY10
 --
 -- Query #10 from the TPC-H decision support benchmark. Unlike other TPC-H tests,
--- we don't set citusdb.large_table_shard_count here, and instead use the default value
+-- we don't set citus.large_table_shard_count here, and instead use the default value
 -- coming from postgresql.conf or multi_task_tracker_executor.conf.
 SELECT
 	c_custkey,

src/test/regress/expected/multi_tpch_query12.out

@@ -2,7 +2,7 @@
 -- MULTI_TPCH_QUERY12
 --
 -- Change configuration to treat lineitem and orders tables as large
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 -- Query #12 from the TPC-H decision support benchmark
 SELECT
 	l_shipmode,

src/test/regress/expected/multi_tpch_query14.out

@@ -2,7 +2,7 @@
 -- MULTI_TPCH_QUERY14
 --
 -- Change configuration to treat lineitem and orders tables as large
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 -- Query #14 from the TPC-H decision support benchmark
 SELECT
 	100.00 * sum(case

src/test/regress/expected/multi_tpch_query19.out

@@ -2,7 +2,7 @@
 -- MULTI_TPCH_QUERY19
 --
 -- Change configuration to treat lineitem and orders tables as large
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 -- Query #19 from the TPC-H decision support benchmark. Note that we modified
 -- the query from its original to make it work on smaller data sets.
 SELECT

src/test/regress/expected/multi_tpch_query3.out

@@ -2,7 +2,7 @@
 -- MULTI_TPCH_QUERY3
 --
 -- Query #3 from the TPC-H decision support benchmark. Unlike other TPC-H tests,
--- we don't set citusdb.large_table_shard_count here, and instead use the default value
+-- we don't set citus.large_table_shard_count here, and instead use the default value
 -- coming from postgresql.conf or multi_task_tracker_executor.conf.
 SELECT
 	l_orderkey,

src/test/regress/expected/multi_tpch_query6.out

@@ -2,7 +2,7 @@
 -- MULTI_TPCH_QUERY6
 --
 -- Change configuration to treat lineitem and orders tables as large
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 -- Query #6 from the TPC-H decision support benchmark
 SELECT
 	sum(l_extendedprice * l_discount) as revenue

src/test/regress/expected/multi_tpch_query7.out

@@ -2,7 +2,7 @@
 -- MULTI_TPCH_QUERY7
 --
 -- Change configuration to treat lineitem AND orders tables as large
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 -- Query #7 from the TPC-H decision support benchmark
 SELECT
 	supp_nation,

src/test/regress/expected/multi_tpch_query7_nested.out

@@ -2,7 +2,7 @@
 -- MULTI_TPCH_QUERY7_NESTED
 --
 -- Change configuration to treat lineitem AND orders tables AS large
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 -- Query #7 from the TPC-H benchmark; modified to include sub-selects
 SELECT
 	supp_nation,

src/test/regress/expected/multi_upsert.out

@@ -1,4 +1,4 @@
--- this test file aims to test UPSERT feature on CitusDB
+-- this test file aims to test UPSERT feature on Citus
 -- note that output of this file for postgresql 9.4 will
 -- be full syntax errors, which is expected.
 CREATE TABLE upsert_test
@@ -124,7 +124,7 @@ SELECT master_create_worker_shards('upsert_test_2', '4', '2');
  
 (1 row)
 
--- now show that CitusDB works with multiple columns as the PRIMARY KEY, including the partiton key
+-- now show that Citus works with multiple columns as the PRIMARY KEY, including the partiton key
 INSERT INTO upsert_test_2 (part_key, other_col) VALUES (1, 1);
 INSERT INTO upsert_test_2 (part_key, other_col) VALUES (1, 1) ON CONFLICT (part_key, other_col) DO NOTHING;
 -- this errors out since there is no unique constraint on partition key
@@ -214,7 +214,7 @@ INSERT INTO dropcol_distributed AS dropcol (key, keep1) VALUES (1, '5') ON CONFL
 ALTER TABLE dropcol_distributed DROP COLUMN drop1;
 INSERT INTO dropcol_distributed AS dropcol (key, keep1) VALUES (1, '5') ON CONFLICT(key)
 	DO UPDATE SET keep1 = dropcol.keep1;
--- below we test the cases that CitusDB does not support
+-- below we test the cases that Citus does not support
 -- subquery in the SET clause
 INSERT INTO upsert_test (part_key, other_col) VALUES (1, 1) ON CONFLICT (part_key) DO
 	UPDATE SET other_col = (SELECT count(*) from upsert_test);

src/test/regress/expected/multi_upsert_0.out

@@ -1,4 +1,4 @@
--- this test file aims to test UPSERT feature on CitusDB
+-- this test file aims to test UPSERT feature on Citus
 -- note that output of this file for postgresql 9.4 will
 -- be full syntax errors, which is expected.
 CREATE TABLE upsert_test
@@ -157,7 +157,7 @@ SELECT master_create_worker_shards('upsert_test_2', '4', '2');
  
 (1 row)
 
--- now show that CitusDB works with multiple columns as the PRIMARY KEY, including the partiton key
+-- now show that Citus works with multiple columns as the PRIMARY KEY, including the partiton key
 INSERT INTO upsert_test_2 (part_key, other_col) VALUES (1, 1);
 INSERT INTO upsert_test_2 (part_key, other_col) VALUES (1, 1) ON CONFLICT (part_key, other_col) DO NOTHING;
 ERROR:  syntax error at or near "ON"
@@ -284,7 +284,7 @@ INSERT INTO dropcol_distributed AS dropcol (key, keep1) VALUES (1, '5') ON CONFL
 ERROR:  syntax error at or near "AS"
 LINE 1: INSERT INTO dropcol_distributed AS dropcol (key, keep1) VALU...
                                         ^
--- below we test the cases that CitusDB does not support
+-- below we test the cases that Citus does not support
 -- subquery in the SET clause
 INSERT INTO upsert_test (part_key, other_col) VALUES (1, 1) ON CONFLICT (part_key) DO
 	UPDATE SET other_col = (SELECT count(*) from upsert_test);

src/test/regress/expected/multi_utility_statements.out

@@ -38,7 +38,7 @@ SELECT * FROM lineitem_pricing_summary ORDER BY l_returnflag, l_linestatus;
 (4 rows)
 
 -- Test we can handle joins
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 CREATE TABLE shipping_priority AS 
 (
     SELECT

src/test/regress/expected/multi_utility_warnings.out

@@ -4,15 +4,15 @@
 -- Tests to check if we inform the user about potential caveats of creating new
 -- databases, schemas, and roles.
 CREATE DATABASE new_database;
-NOTICE:  CitusDB partially supports CREATE DATABASE for distributed databases
+NOTICE:  Citus partially supports CREATE DATABASE for distributed databases
-DETAIL:  CitusDB does not propagate CREATE DATABASE command to workers
+DETAIL:  Citus does not propagate CREATE DATABASE command to workers
 HINT:  You can manually create a database and its extensions on workers.
 CREATE SCHEMA new_schema;
-NOTICE:  CitusDB partially supports CREATE SCHEMA for distributed databases
+NOTICE:  Citus partially supports CREATE SCHEMA for distributed databases
-DETAIL:  schema usage in joins and in some UDFs provided by CitusDB are not supported yet
+DETAIL:  schema usage in joins and in some UDFs provided by Citus are not supported yet
 CREATE ROLE new_role;
-NOTICE:  CitusDB does not support CREATE ROLE/USER for distributed databases
+NOTICE:  Citus does not support CREATE ROLE/USER for distributed databases
 DETAIL:  Multiple roles are currently supported only for local tables
 CREATE USER new_user;
-NOTICE:  CitusDB does not support CREATE ROLE/USER for distributed databases
+NOTICE:  Citus does not support CREATE ROLE/USER for distributed databases
 DETAIL:  Multiple roles are currently supported only for local tables

src/test/regress/input/multi_agg_distinct.source

@@ -35,14 +35,14 @@ SELECT avg(distinct l_orderkey) FROM lineitem_range;
 -- sharded table. For this test, we also change a config setting to ensure that
 -- we don't repartition any of the tables during the query.
 
-SET citusdb.large_table_shard_count TO 2;
+SET citus.large_table_shard_count TO 2;
 
 SELECT p_partkey, count(distinct l_orderkey) FROM lineitem_range, part
 	WHERE l_partkey = p_partkey
 	GROUP BY p_partkey
 	ORDER BY p_partkey LIMIT 10;
 
-RESET citusdb.large_table_shard_count;
+RESET citus.large_table_shard_count;
 
 -- Check that we don't support count(distinct) on non-partition column, and
 -- complex expressions.

src/test/regress/input/multi_append_table_to_shard.source

@@ -17,16 +17,16 @@ CREATE TABLE multi_append_table_to_shard_left
 SELECT master_create_distributed_table('multi_append_table_to_shard_left', 'left_number', 'append');
 
 -- Replicate 'left' table on both workers
-SELECT set_config('citusdb.shard_replication_factor', '2', false);
+SELECT set_config('citus.shard_replication_factor', '2', false);
 \STAGE multi_append_table_to_shard_left FROM '@abs_srcdir@/data/agg.data'
 \STAGE multi_append_table_to_shard_left FROM '@abs_srcdir@/data/agg.data'
 
 -- Place 'right' table only on the primary worker
-SELECT set_config('citusdb.shard_replication_factor', '1', false);
+SELECT set_config('citus.shard_replication_factor', '1', false);
 \STAGE multi_append_table_to_shard_right FROM '@abs_srcdir@/data/agg.data'
 
 -- Reset shard replication factor to ensure tasks will be assigned to both workers
-SELECT set_config('citusdb.shard_replication_factor', '2', false);
+SELECT set_config('citus.shard_replication_factor', '2', false);
 
 -- All 8 rows in left table match a row in right table
 SELECT	COUNT(*)

src/test/regress/input/multi_fdw_stage_data.source

@@ -10,7 +10,7 @@
 \STAGE orders FROM '@abs_srcdir@/data/orders.1.data'
 \STAGE orders FROM '@abs_srcdir@/data/orders.2.data'
 
-SELECT set_config('citusdb.shard_replication_factor', '1', false);
+SELECT set_config('citus.shard_replication_factor', '1', false);
 
 \STAGE customer FROM '@abs_srcdir@/data/customer.1.data'
 \STAGE nation FROM '@abs_srcdir@/data/nation.data'