mirror of https://github.com/citusdata/citus.git
134 lines
4.3 KiB
SQL
134 lines
4.3 KiB
SQL
-- 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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-- 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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SELECT "relname", "Column", "Type", "Definition" FROM index_attrs WHERE
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relname LIKE 'ddl_test%_index';
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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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SELECT "relname", "Column", "Type", "Definition" FROM index_attrs WHERE
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relname LIKE 'ddl_test%_index';
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table_1220088'::regclass;
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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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\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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SELECT "relname", "Column", "Type", "Definition" FROM index_attrs WHERE
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relname LIKE 'ddl_test%_index';
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table_1220089'::regclass;
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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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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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-- 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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\di ddl_test*_index
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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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\di ddl_test*_index
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table_1220088'::regclass;
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\di ddl_test*_index_1220088
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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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\di ddl_test*_index
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SELECT "Column", "Type", "Modifiers" FROM table_desc WHERE relid='mx_ddl_table_1220089'::regclass;
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\di ddl_test*_index_1220089
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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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\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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-- 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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