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--
-- MULTI_NAME_LENGTHS
--
ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 225000;
ALTER SEQUENCE pg_catalog.pg_dist_jobid_seq RESTART 225000;
SET citus.multi_shard_commit_protocol = '2pc';
-- Verify that a table name > 56 characters gets hashed properly.
CREATE TABLE too_long_12345678901234567890123456789012345678901234567890 (
col1 integer not null,
col2 integer not null);
SELECT master_create_distributed_table('too_long_12345678901234567890123456789012345678901234567890', 'col1', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards('too_long_12345678901234567890123456789012345678901234567890', '2', '2');
master_create_worker_shards
-----------------------------
(1 row)
\c - - - :worker_1_port
\d too_long_*
Table "public.too_long_12345678901234567890123456789012345678_e0119164_225000"
Column | Type | Modifiers
--------+---------+-----------
col1 | integer | not null
col2 | integer | not null
Table "public.too_long_12345678901234567890123456789012345678_e0119164_225001"
Column | Type | Modifiers
--------+---------+-----------
col1 | integer | not null
col2 | integer | not null
\c - - - :master_port
-- Verify that the UDF works and rejects bad arguments.
SELECT shard_name(NULL, 666666);
ERROR: object_name cannot be null
SELECT shard_name(0, 666666);
ERROR: object_name does not reference a valid relation
SELECT shard_name('too_long_12345678901234567890123456789012345678901234567890'::regclass, 666666);
shard_name
-----------------------------------------------------------------
too_long_12345678901234567890123456789012345678_e0119164_666666
(1 row)
SELECT shard_name('too_long_12345678901234567890123456789012345678901234567890'::regclass, NULL);
ERROR: shard_id cannot be null
SELECT shard_name('too_long_12345678901234567890123456789012345678901234567890'::regclass, -21);
ERROR: shard_id cannot be zero or negative value
DROP TABLE too_long_12345678901234567890123456789012345678901234567890 CASCADE;
-- Table to use for rename checks.
CREATE TABLE name_lengths (
col1 integer not null,
col2 integer not null,
constraint constraint_a UNIQUE (col1)
);
SELECT master_create_distributed_table('name_lengths', 'col1', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards('name_lengths', '2', '2');
master_create_worker_shards
-----------------------------
(1 row)
-- Verify that we CAN add columns with "too-long names", because
-- the columns' names are not extended in the corresponding shard tables.
ALTER TABLE name_lengths ADD COLUMN float_col_12345678901234567890123456789012345678901234567890 FLOAT;
NOTICE: using one-phase commit for distributed DDL commands
HINT: You can enable two-phase commit for extra safety with: SET citus.multi_shard_commit_protocol TO '2pc'
ALTER TABLE name_lengths ADD COLUMN date_col_12345678901234567890123456789012345678901234567890 DATE;
ALTER TABLE name_lengths ADD COLUMN int_col_12345678901234567890123456789012345678901234567890 INTEGER DEFAULT 1;
-- Placeholders for unsupported ALTER TABLE to add constraints with implicit names that are likely too long
ALTER TABLE name_lengths ADD UNIQUE (float_col_12345678901234567890123456789012345678901234567890);
ERROR: cannot create constraint
DETAIL: Citus cannot execute ADD CONSTRAINT command other than ADD CONSTRAINT FOREIGN KEY.
ALTER TABLE name_lengths ADD EXCLUDE (int_col_12345678901234567890123456789012345678901234567890 WITH =);
ERROR: cannot create constraint
DETAIL: Citus cannot execute ADD CONSTRAINT command other than ADD CONSTRAINT FOREIGN KEY.
ALTER TABLE name_lengths ADD CHECK (date_col_12345678901234567890123456789012345678901234567890 > '2014-01-01'::date);
ERROR: cannot create constraint
DETAIL: Citus cannot execute ADD CONSTRAINT command other than ADD CONSTRAINT FOREIGN KEY.
\c - - - :worker_1_port
\d name_lengths_*
Table "public.name_lengths_225002"
Column | Type | Modifiers
--------------------------------------------------------------+------------------+-----------
col1 | integer | not null
col2 | integer | not null
float_col_12345678901234567890123456789012345678901234567890 | double precision |
date_col_12345678901234567890123456789012345678901234567890 | date |
int_col_12345678901234567890123456789012345678901234567890 | integer | default 1
Indexes:
"constraint_a_225002" UNIQUE CONSTRAINT, btree (col1)
Table "public.name_lengths_225003"
Column | Type | Modifiers
--------------------------------------------------------------+------------------+-----------
col1 | integer | not null
col2 | integer | not null
float_col_12345678901234567890123456789012345678901234567890 | double precision |
date_col_12345678901234567890123456789012345678901234567890 | date |
int_col_12345678901234567890123456789012345678901234567890 | integer | default 1
Indexes:
"constraint_a_225003" UNIQUE CONSTRAINT, btree (col1)
\c - - - :master_port
-- Placeholders for unsupported add constraints with EXPLICIT names that are too long
ALTER TABLE name_lengths ADD CONSTRAINT nl_unique_12345678901234567890123456789012345678901234567890 UNIQUE (float_col_12345678901234567890123456789012345678901234567890);
ERROR: cannot create constraint
DETAIL: Citus cannot execute ADD CONSTRAINT command other than ADD CONSTRAINT FOREIGN KEY.
ALTER TABLE name_lengths ADD CONSTRAINT nl_exclude_12345678901234567890123456789012345678901234567890 EXCLUDE (int_col_12345678901234567890123456789012345678901234567890 WITH =);
ERROR: cannot create constraint
DETAIL: Citus cannot execute ADD CONSTRAINT command other than ADD CONSTRAINT FOREIGN KEY.
ALTER TABLE name_lengths ADD CONSTRAINT nl_checky_12345678901234567890123456789012345678901234567890 CHECK (date_col_12345678901234567890123456789012345678901234567890 >= '2014-01-01'::date);
ERROR: cannot create constraint
DETAIL: Citus cannot execute ADD CONSTRAINT command other than ADD CONSTRAINT FOREIGN KEY.
\c - - - :worker_1_port
\d nl_*
\c - - - :master_port
-- Placeholders for RENAME operations
ALTER TABLE name_lengths RENAME TO name_len_12345678901234567890123456789012345678901234567890;
ERROR: renaming distributed tables or their objects is currently unsupported
ALTER TABLE name_lengths RENAME CONSTRAINT unique_12345678901234567890123456789012345678901234567890 TO unique2_12345678901234567890123456789012345678901234567890;
ERROR: renaming distributed tables or their objects is currently unsupported
-- Verify that CREATE INDEX on already distributed table has proper shard names.
CREATE INDEX tmp_idx_12345678901234567890123456789012345678901234567890 ON name_lengths(col2);
NOTICE: using one-phase commit for distributed DDL commands
HINT: You can enable two-phase commit for extra safety with: SET citus.multi_shard_commit_protocol TO '2pc'
\c - - - :worker_1_port
\d tmp_idx_*
Index "public.tmp_idx_123456789012345678901234567890123456789_5e470afa_225002"
Column | Type | Definition
--------+---------+------------
col2 | integer | col2
btree, for table "public.name_lengths_225002"
Index "public.tmp_idx_123456789012345678901234567890123456789_5e470afa_225003"
Column | Type | Definition
--------+---------+------------
col2 | integer | col2
btree, for table "public.name_lengths_225003"
\c - - - :master_port
-- Verify that a new index name > 63 characters is auto-truncated
-- by the parser/rewriter before further processing, just as in Postgres.
CREATE INDEX tmp_idx_123456789012345678901234567890123456789012345678901234567890 ON name_lengths(col2);
NOTICE: identifier "tmp_idx_123456789012345678901234567890123456789012345678901234567890" will be truncated to "tmp_idx_1234567890123456789012345678901234567890123456789012345"
NOTICE: using one-phase commit for distributed DDL commands
HINT: You can enable two-phase commit for extra safety with: SET citus.multi_shard_commit_protocol TO '2pc'
\c - - - :worker_1_port
\d tmp_idx_*
Index "public.tmp_idx_123456789012345678901234567890123456789_599636aa_225002"
Column | Type | Definition
--------+---------+------------
col2 | integer | col2
btree, for table "public.name_lengths_225002"
Index "public.tmp_idx_123456789012345678901234567890123456789_599636aa_225003"
Column | Type | Definition
--------+---------+------------
col2 | integer | col2
btree, for table "public.name_lengths_225003"
Index "public.tmp_idx_123456789012345678901234567890123456789_5e470afa_225002"
Column | Type | Definition
--------+---------+------------
col2 | integer | col2
btree, for table "public.name_lengths_225002"
Index "public.tmp_idx_123456789012345678901234567890123456789_5e470afa_225003"
Column | Type | Definition
--------+---------+------------
col2 | integer | col2
btree, for table "public.name_lengths_225003"
\c - - - :master_port
-- Verify that distributed tables with too-long names
-- for CHECK constraints are no trouble.
CREATE TABLE sneaky_name_lengths (
col1 integer not null,
col2 integer not null,
int_col_12345678901234567890123456789012345678901234567890 integer not null,
CHECK (int_col_12345678901234567890123456789012345678901234567890 > 100)
);
SELECT master_create_distributed_table('sneaky_name_lengths', 'col1', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards('sneaky_name_lengths', '2', '2');
master_create_worker_shards
-----------------------------
(1 row)
DROP TABLE sneaky_name_lengths CASCADE;
CREATE TABLE sneaky_name_lengths (
int_col_123456789012345678901234567890123456789012345678901234 integer UNIQUE not null,
col2 integer not null,
CONSTRAINT checky_12345678901234567890123456789012345678901234567890 CHECK (int_col_123456789012345678901234567890123456789012345678901234 > 100)
);
\d sneaky_name_lengths*
Table "public.sneaky_name_lengths"
Column | Type | Modifiers
----------------------------------------------------------------+---------+-----------
int_col_123456789012345678901234567890123456789012345678901234 | integer | not null
col2 | integer | not null
Indexes:
"sneaky_name_lengths_int_col_1234567890123456789012345678901_key" UNIQUE CONSTRAINT, btree (int_col_123456789012345678901234567890123456789012345678901234)
Check constraints:
"checky_12345678901234567890123456789012345678901234567890" CHECK (int_col_123456789012345678901234567890123456789012345678901234 > 100)
Index "public.sneaky_name_lengths_int_col_1234567890123456789012345678901_key"
Column | Type | Definition
----------------------------------------------------------------+---------+----------------------------------------------------------------
int_col_123456789012345678901234567890123456789012345678901234 | integer | int_col_123456789012345678901234567890123456789012345678901234
unique, btree, for table "public.sneaky_name_lengths"
SELECT master_create_distributed_table('sneaky_name_lengths', 'int_col_123456789012345678901234567890123456789012345678901234', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards('sneaky_name_lengths', '2', '2');
master_create_worker_shards
-----------------------------
(1 row)
\c - - - :worker_1_port
\d sneaky_name_lengths*
Table "public.sneaky_name_lengths_225006"
Column | Type | Modifiers
----------------------------------------------------------------+---------+-----------
int_col_123456789012345678901234567890123456789012345678901234 | integer | not null
col2 | integer | not null
Indexes:
"sneaky_name_lengths_int_col_1234567890123456789_6402d2cd_225006" UNIQUE CONSTRAINT, btree (int_col_123456789012345678901234567890123456789012345678901234)
Check constraints:
"checky_12345678901234567890123456789012345678901234567890" CHECK (int_col_123456789012345678901234567890123456789012345678901234 > 100)
Table "public.sneaky_name_lengths_225007"
Column | Type | Modifiers
----------------------------------------------------------------+---------+-----------
int_col_123456789012345678901234567890123456789012345678901234 | integer | not null
col2 | integer | not null
Indexes:
"sneaky_name_lengths_int_col_1234567890123456789_6402d2cd_225007" UNIQUE CONSTRAINT, btree (int_col_123456789012345678901234567890123456789012345678901234)
Check constraints:
"checky_12345678901234567890123456789012345678901234567890" CHECK (int_col_123456789012345678901234567890123456789012345678901234 > 100)
Index "public.sneaky_name_lengths_int_col_1234567890123456789_6402d2cd_225006"
Column | Type | Definition
----------------------------------------------------------------+---------+----------------------------------------------------------------
int_col_123456789012345678901234567890123456789012345678901234 | integer | int_col_123456789012345678901234567890123456789012345678901234
unique, btree, for table "public.sneaky_name_lengths_225006"
Index "public.sneaky_name_lengths_int_col_1234567890123456789_6402d2cd_225007"
Column | Type | Definition
----------------------------------------------------------------+---------+----------------------------------------------------------------
int_col_123456789012345678901234567890123456789012345678901234 | integer | int_col_123456789012345678901234567890123456789012345678901234
unique, btree, for table "public.sneaky_name_lengths_225007"
\c - - - :master_port
DROP TABLE sneaky_name_lengths CASCADE;
-- verify that named constraint with too-long name gets hashed properly
CREATE TABLE sneaky_name_lengths (
col1 integer not null,
col2 integer not null,
int_col_12345678901234567890123456789012345678901234567890 integer not null,
constraint unique_12345678901234567890123456789012345678901234567890 UNIQUE (col1)
);
SELECT master_create_distributed_table('sneaky_name_lengths', 'col1', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards('sneaky_name_lengths', '2', '2');
master_create_worker_shards
-----------------------------
(1 row)
\c - - - :worker_1_port
\d sneaky_name_lengths*
Table "public.sneaky_name_lengths_225008"
Column | Type | Modifiers
------------------------------------------------------------+---------+-----------
col1 | integer | not null
col2 | integer | not null
int_col_12345678901234567890123456789012345678901234567890 | integer | not null
Indexes:
"unique_1234567890123456789012345678901234567890_a5986f27_225008" UNIQUE CONSTRAINT, btree (col1)
Table "public.sneaky_name_lengths_225009"
Column | Type | Modifiers
------------------------------------------------------------+---------+-----------
col1 | integer | not null
col2 | integer | not null
int_col_12345678901234567890123456789012345678901234567890 | integer | not null
Indexes:
"unique_1234567890123456789012345678901234567890_a5986f27_225009" UNIQUE CONSTRAINT, btree (col1)
\c - - - :master_port
DROP TABLE sneaky_name_lengths CASCADE;
-- Verify that much larger shardIds are handled properly
ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 2250000000000;
CREATE TABLE too_long_12345678901234567890123456789012345678901234567890 (
col1 integer not null,
col2 integer not null);
SELECT master_create_distributed_table('too_long_12345678901234567890123456789012345678901234567890', 'col1', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards('too_long_12345678901234567890123456789012345678901234567890', '2', '2');
master_create_worker_shards
-----------------------------
(1 row)
\c - - - :worker_1_port
\d too_long_*
Table "public.too_long_1234567890123456789012345678901_e0119164_2250000000000"
Column | Type | Modifiers
--------+---------+-----------
col1 | integer | not null
col2 | integer | not null
Table "public.too_long_1234567890123456789012345678901_e0119164_2250000000001"
Column | Type | Modifiers
--------+---------+-----------
col1 | integer | not null
col2 | integer | not null
\c - - - :master_port
DROP TABLE too_long_12345678901234567890123456789012345678901234567890 CASCADE;
-- Verify that multi-byte boundaries are respected for databases with UTF8 encoding.
CREATE TABLE U&"elephant_!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D" UESCAPE '!' (
col1 integer not null PRIMARY KEY,
col2 integer not null);
SELECT master_create_distributed_table(U&'elephant_!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D' UESCAPE '!', 'col1', 'hash');
master_create_distributed_table
---------------------------------
(1 row)
SELECT master_create_worker_shards(U&'elephant_!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D' UESCAPE '!', '2', '2');
master_create_worker_shards
-----------------------------
(1 row)
\c - - - :worker_1_port
\d elephant_*
Index "public.elephant_слонслонслонсло_14d34928_2250000000002"
Column | Type | Definition
--------+---------+------------
col1 | integer | col1
primary key, btree, for table "public.elephant_слонслонслонсло_c8b737c2_2250000000002"
Index "public.elephant_слонслонслонсло_14d34928_2250000000003"
Column | Type | Definition
--------+---------+------------
col1 | integer | col1
primary key, btree, for table "public.elephant_слонслонслонсло_c8b737c2_2250000000003"
Table "public.elephant_слонслонслонсло_c8b737c2_2250000000002"
Column | Type | Modifiers
--------+---------+-----------
col1 | integer | not null
col2 | integer | not null
Indexes:
"elephant_слонслонслонсло_14d34928_2250000000002" PRIMARY KEY, btree (col1)
Table "public.elephant_слонслонслонсло_c8b737c2_2250000000003"
Column | Type | Modifiers
--------+---------+-----------
col1 | integer | not null
col2 | integer | not null
Indexes:
"elephant_слонслонслонсло_14d34928_2250000000003" PRIMARY KEY, btree (col1)
\c - - - :master_port
-- Clean up.
DROP TABLE name_lengths CASCADE;
DROP TABLE U&"elephant_!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D!0441!043B!043E!043D" UESCAPE '!' CASCADE;
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