mirror of https://github.com/citusdata/citus.git
246 lines
8.1 KiB
Plaintext
246 lines
8.1 KiB
Plaintext
-- Tests related to distributed DDL commands on mx cluster
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SELECT * FROM mx_ddl_table ORDER BY key;
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key | value
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-----+-------
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1 | 10
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2 | 11
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3 | 21
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4 | 37
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5 | 60
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6 | 100
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10 | 200
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11 | 230
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(8 rows)
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-- CREATE INDEX
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CREATE INDEX ddl_test_index ON mx_ddl_table(value);
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CREATE INDEX CONCURRENTLY ddl_test_concurrent_index ON mx_ddl_table(value);
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-- ADD COLUMN
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ALTER TABLE mx_ddl_table ADD COLUMN version INTEGER;
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-- SET DEFAULT
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ALTER TABLE mx_ddl_table ALTER COLUMN version SET DEFAULT 1;
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UPDATE mx_ddl_table SET version=0.1 WHERE version IS NULL;
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-- SET NOT NULL
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ALTER TABLE mx_ddl_table ALTER COLUMN version SET NOT NULL;
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-- See that the changes are applied on coordinator, worker tables and shards
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table'::regclass;
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Column | Type | Modifiers
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---------+---------+--------------------
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key | integer | not null
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value | integer |
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version | integer | not null default 1
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(3 rows)
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SELECT "relname", "Column", "Type", "Definition" FROM index_attrs WHERE
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relname LIKE 'ddl_test%_index';
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relname | Column | Type | Definition
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---------------------------+--------+---------+------------
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ddl_test_index | value | integer | value
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ddl_test_concurrent_index | value | integer | value
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(2 rows)
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\c - - - :worker_1_port
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-- make sure we don't break the following tests by hiding the shard names
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SET citus.override_table_visibility TO FALSE;
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table'::regclass;
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Column | Type | Modifiers
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---------+---------+--------------------
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key | integer | not null
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value | integer |
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version | integer | not null default 1
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(3 rows)
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SELECT "relname", "Column", "Type", "Definition" FROM index_attrs WHERE
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relname LIKE 'ddl_test%_index';
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relname | Column | Type | Definition
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---------------------------+--------+---------+------------
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ddl_test_index | value | integer | value
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ddl_test_concurrent_index | value | integer | value
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(2 rows)
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table_1220088'::regclass;
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Column | Type | Modifiers
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---------+---------+--------------------
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key | integer | not null
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value | integer |
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version | integer | not null default 1
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(3 rows)
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SELECT "relname", "Column", "Type", "Definition" FROM index_attrs WHERE
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relname LIKE 'ddl_test%_index_1220088';
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relname | Column | Type | Definition
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-----------------------------------+--------+---------+------------
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ddl_test_index_1220088 | value | integer | value
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ddl_test_concurrent_index_1220088 | value | integer | value
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(2 rows)
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\c - - - :worker_2_port
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-- make sure we don't break the following tests by hiding the shard names
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SET citus.override_table_visibility TO FALSE;
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table'::regclass;
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Column | Type | Modifiers
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---------+---------+--------------------
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key | integer | not null
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value | integer |
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version | integer | not null default 1
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(3 rows)
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SELECT "relname", "Column", "Type", "Definition" FROM index_attrs WHERE
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relname LIKE 'ddl_test%_index';
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relname | Column | Type | Definition
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---------------------------+--------+---------+------------
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ddl_test_index | value | integer | value
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ddl_test_concurrent_index | value | integer | value
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(2 rows)
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table_1220089'::regclass;
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Column | Type | Modifiers
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---------+---------+--------------------
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key | integer | not null
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value | integer |
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version | integer | not null default 1
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(3 rows)
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SELECT "relname", "Column", "Type", "Definition" FROM index_attrs WHERE
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relname LIKE 'ddl_test%_index_1220089';
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relname | Column | Type | Definition
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-----------------------------------+--------+---------+------------
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ddl_test_index_1220089 | value | integer | value
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ddl_test_concurrent_index_1220089 | value | integer | value
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(2 rows)
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INSERT INTO mx_ddl_table VALUES (37, 78, 2);
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INSERT INTO mx_ddl_table VALUES (38, 78);
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-- Switch to the coordinator
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\c - - - :master_port
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-- SET DATA TYPE
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ALTER TABLE mx_ddl_table ALTER COLUMN version SET DATA TYPE double precision;
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INSERT INTO mx_ddl_table VALUES (78, 83, 2.1);
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\c - - - :worker_1_port
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SELECT * FROM mx_ddl_table ORDER BY key;
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key | value | version
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-----+-------+---------
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1 | 10 | 0
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2 | 11 | 0
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3 | 21 | 0
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4 | 37 | 0
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5 | 60 | 0
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6 | 100 | 0
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10 | 200 | 0
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11 | 230 | 0
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37 | 78 | 2
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38 | 78 | 1
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78 | 83 | 2.1
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(11 rows)
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-- Switch to the coordinator
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\c - - - :master_port
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-- DROP INDEX
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DROP INDEX ddl_test_index;
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DROP INDEX CONCURRENTLY ddl_test_concurrent_index;
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-- DROP DEFAULT
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ALTER TABLE mx_ddl_table ALTER COLUMN version DROP DEFAULT;
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-- DROP NOT NULL
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ALTER TABLE mx_ddl_table ALTER COLUMN version DROP NOT NULL;
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-- DROP COLUMN
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ALTER TABLE mx_ddl_table DROP COLUMN version;
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-- See that the changes are applied on coordinator, worker tables and shards
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table'::regclass;
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Column | Type | Modifiers
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--------+---------+-----------
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key | integer | not null
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value | integer |
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(2 rows)
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\di ddl_test*_index
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List of relations
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Schema | Name | Type | Owner | Table
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--------+------+------+-------+-------
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(0 rows)
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\c - - - :worker_1_port
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table'::regclass;
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Column | Type | Modifiers
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--------+---------+-----------
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key | integer | not null
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value | integer |
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(2 rows)
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\di ddl_test*_index
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List of relations
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Schema | Name | Type | Owner | Table
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--------+------+------+-------+-------
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(0 rows)
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table_1220088'::regclass;
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Column | Type | Modifiers
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--------+---------+-----------
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key | integer | not null
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value | integer |
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(2 rows)
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\di ddl_test*_index_1220088
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List of relations
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Schema | Name | Type | Owner | Table
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--------+------+------+-------+-------
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(0 rows)
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\c - - - :worker_2_port
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table'::regclass;
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Column | Type | Modifiers
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--------+---------+-----------
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key | integer | not null
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value | integer |
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(2 rows)
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\di ddl_test*_index
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List of relations
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Schema | Name | Type | Owner | Table
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--------+------+------+-------+-------
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(0 rows)
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table_1220089'::regclass;
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Column | Type | Modifiers
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--------+---------+-----------
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key | integer | not null
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value | integer |
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(2 rows)
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\di ddl_test*_index_1220089
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List of relations
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Schema | Name | Type | Owner | Table
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--------+------+------+-------+-------
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(0 rows)
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-- Show that DDL commands are done within a two-phase commit transaction
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\c - - - :master_port
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CREATE INDEX ddl_test_index ON mx_ddl_table(value);
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DROP INDEX ddl_test_index;
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-- show that sequences owned by mx tables result in unique values
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SET citus.shard_replication_factor TO 1;
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SET citus.shard_count TO 4;
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SET citus.replication_model TO streaming;
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CREATE TABLE mx_sequence(key INT, value BIGSERIAL);
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SELECT create_distributed_table('mx_sequence', 'key');
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create_distributed_table
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--------------------------
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(1 row)
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\c - - - :worker_1_port
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SELECT last_value AS worker_1_lastval FROM mx_sequence_value_seq \gset
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\c - - - :worker_2_port
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SELECT last_value AS worker_2_lastval FROM mx_sequence_value_seq \gset
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\c - - - :master_port
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-- don't look at the actual values because they rely on the groupids of the nodes
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-- which can change depending on the tests which have run before this one
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SELECT :worker_1_lastval = :worker_2_lastval;
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?column?
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----------
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f
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(1 row)
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-- the type of sequences can't be changed
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ALTER TABLE mx_sequence ALTER value TYPE BIGINT;
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ALTER TABLE mx_sequence ALTER value TYPE INT;
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