From 257d9b49fd672e7da434041b229271920b301477 Mon Sep 17 00:00:00 2001
From: Jason Petersen <jason@citusdata.com>
Date: Thu, 1 Dec 2016 12:35:44 -0700
Subject: [PATCH] Add test to verify whether VACUUM runs remotely

Fails for now.
---
 src/test/regress/expected/multi_utilities.out | 34 +++++++++++++++++++
 src/test/regress/sql/multi_utilities.sql      | 24 +++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/src/test/regress/expected/multi_utilities.out b/src/test/regress/expected/multi_utilities.out
index ec20ec71b..35e0e166d 100644
--- a/src/test/regress/expected/multi_utilities.out
+++ b/src/test/regress/expected/multi_utilities.out
@@ -66,3 +66,37 @@ SELECT master_apply_delete_command('DELETE FROM sharded_table');
 
 -- drop table
 DROP TABLE sharded_table;
+-- VACUUM tests
+-- create a table with a single shard (for convenience)
+CREATE TABLE dustbunnies (id integer, name text);
+SELECT master_create_distributed_table('dustbunnies', 'id', 'hash');
+ master_create_distributed_table 
+---------------------------------
+ 
+(1 row)
+
+SELECT master_create_worker_shards('dustbunnies', 1, 2);
+ master_create_worker_shards 
+-----------------------------
+ 
+(1 row)
+
+-- add some data to the distributed table
+\copy dustbunnies from stdin with csv
+-- delete all rows from the shard, then run VACUUM against the table on the master
+DELETE FROM dustbunnies;
+VACUUM dustbunnies;
+-- update statistics, then verify that the four dead rows are gone
+\c - - - :worker_1_port
+SELECT pg_sleep(.500);
+ pg_sleep 
+----------
+ 
+(1 row)
+
+SELECT pg_stat_get_vacuum_count('dustbunnies_990002'::regclass);
+ pg_stat_get_vacuum_count 
+--------------------------
+                        1
+(1 row)
+
diff --git a/src/test/regress/sql/multi_utilities.sql b/src/test/regress/sql/multi_utilities.sql
index 15fa16cdc..1f5978c92 100644
--- a/src/test/regress/sql/multi_utilities.sql
+++ b/src/test/regress/sql/multi_utilities.sql
@@ -40,3 +40,27 @@ SELECT master_apply_delete_command('DELETE FROM sharded_table');
 
 -- drop table
 DROP TABLE sharded_table;
+
+-- VACUUM tests
+
+-- create a table with a single shard (for convenience)
+CREATE TABLE dustbunnies (id integer, name text);
+SELECT master_create_distributed_table('dustbunnies', 'id', 'hash');
+SELECT master_create_worker_shards('dustbunnies', 1, 2);
+
+-- add some data to the distributed table
+\copy dustbunnies from stdin with csv
+1,bugs
+2,babs
+3,buster
+4,roger
+\.
+
+-- delete all rows from the shard, then run VACUUM against the table on the master
+DELETE FROM dustbunnies;
+VACUUM dustbunnies;
+
+-- update statistics, then verify that the four dead rows are gone
+\c - - - :worker_1_port
+SELECT pg_sleep(.500);
+SELECT pg_stat_get_vacuum_count('dustbunnies_990002'::regclass);