mirror of https://github.com/citusdata/citus.git
355 lines
16 KiB
Plaintext
355 lines
16 KiB
Plaintext
--
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-- MULTI_SHARD_MODIFY
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--
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SET citus.next_shard_id TO 350000;
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-- Create a new hash partitioned multi_shard_modify_test table and load data into it.
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CREATE TABLE multi_shard_modify_test (
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t_key integer not null,
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t_name varchar(25) not null,
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t_value integer not null);
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SELECT create_distributed_table('multi_shard_modify_test', 't_key', 'hash');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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COPY multi_shard_modify_test (t_key, t_name, t_value) FROM STDIN WITH (FORMAT 'csv');
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-- Testing master_modify_multiple_shards
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-- Verify that master_modify_multiple_shards can be rolled back
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BEGIN;
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_key > 10 AND t_key <= 13');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_key = 202');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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ROLLBACK;
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SELECT count(*) FROM multi_shard_modify_test;
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count
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---------------------------------------------------------------------
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27
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(1 row)
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-- commands with volatile functions in their quals
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_key = (random() * 1000)');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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ERROR: functions used in the WHERE clause of modification queries on distributed tables must not be VOLATILE
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_value = (random() * 1000)');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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ERROR: functions used in the WHERE clause of modification queries on distributed tables must not be VOLATILE
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-- commands with immutable functions in their quals
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_key = abs(-3)');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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-- DELETE with expression in WHERE clause
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_key = (3*18-40)');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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-- commands with a USING a non distributed table error out
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CREATE TABLE temp_nations(name text, key integer);
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test USING temp_nations WHERE multi_shard_modify_test.t_value = temp_nations.key AND temp_nations.name = ''foobar'' ');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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ERROR: relation temp_nations is not distributed
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-- commands with a USING clause are unsupported
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SELECT create_distributed_table('temp_nations', 'name', 'hash');
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create_distributed_table
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---------------------------------------------------------------------
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(1 row)
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test USING temp_nations WHERE multi_shard_modify_test.t_value = temp_nations.key AND temp_nations.name = ''foobar'' ');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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ERROR: complex joins are only supported when all distributed tables are co-located and joined on their distribution columns
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-- commands with a RETURNING clause are unsupported
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_key = 3 RETURNING *');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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-- commands containing a CTE are unsupported
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SELECT master_modify_multiple_shards('WITH deleted_stuff AS (INSERT INTO multi_shard_modify_test DEFAULT VALUES RETURNING *) DELETE FROM multi_shard_modify_test');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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ERROR: cannot perform an INSERT without a partition column value
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-- Check that we can successfully delete from multiple shards with 1PC
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SET citus.multi_shard_commit_protocol TO '1pc';
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SELECT count(*) FROM multi_shard_modify_test;
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count
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---------------------------------------------------------------------
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25
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(1 row)
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_key > 200');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SELECT count(*) FROM multi_shard_modify_test;
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count
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---------------------------------------------------------------------
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23
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(1 row)
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-- Check that we can successfully delete from multiple shards with 2PC
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SET citus.multi_shard_commit_protocol TO '2pc';
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_key > 100');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SELECT count(*) FROM multi_shard_modify_test;
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count
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---------------------------------------------------------------------
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21
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(1 row)
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-- Check that shard pruning works
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SET client_min_messages TO DEBUG2;
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_key = 15');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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DEBUG: Distributed planning for a fast-path router query
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DEBUG: Creating router plan
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DEBUG: Plan is router executable
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DETAIL: distribution column value: 15
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SET client_min_messages TO NOTICE;
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-- Check that master_modify_multiple_shards works without partition keys
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_name LIKE ''barce%'' ');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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-- Simple, Single Shard Update
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_name=''warsaw'' WHERE t_key=17');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SELECT t_name FROM multi_shard_modify_test WHERE t_key=17;
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t_name
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---------------------------------------------------------------------
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warsaw
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(1 row)
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-- Simple, Multi Shard Update
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_name=''???'' WHERE t_key>30 AND t_key<35');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SELECT t_name FROM multi_shard_modify_test WHERE t_key>30 AND t_key<35;
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t_name
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---------------------------------------------------------------------
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???
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???
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???
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???
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(4 rows)
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-- expression UPDATE
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_value=8*37 WHERE t_key>30 AND t_key<35');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SELECT t_value FROM multi_shard_modify_test WHERE t_key>30 AND t_key<35;
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t_value
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---------------------------------------------------------------------
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296
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296
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296
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296
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(4 rows)
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-- multi-column UPDATE
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_name=''somename'', t_value=333 WHERE t_key>30 AND t_key<35');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SELECT t_name, t_value FROM multi_shard_modify_test WHERE t_key>30 AND t_key<35;
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t_name | t_value
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---------------------------------------------------------------------
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somename | 333
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somename | 333
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somename | 333
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somename | 333
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(4 rows)
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-- commands with no constraints on the partition key are supported
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_name=''nice city'' WHERE t_value < 0');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SELECT t_name FROM multi_shard_modify_test WHERE t_value < 0;
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t_name
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---------------------------------------------------------------------
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nice city
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nice city
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(2 rows)
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-- attempting to change the partition key is unsupported
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_key=3000 WHERE t_key < 10 ');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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ERROR: modifying the partition value of rows is not allowed
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-- UPDATEs with a FROM clause are supported
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_name = ''FAIL'' FROM temp_nations WHERE multi_shard_modify_test.t_key = 3 AND multi_shard_modify_test.t_value = temp_nations.key AND temp_nations.name = ''dummy'' ');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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-- commands with a RETURNING clause are unsupported
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_name=''FAIL'' WHERE t_key=4 RETURNING *');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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-- commands containing a CTE are unsupported
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SELECT master_modify_multiple_shards('WITH t AS (INSERT INTO multi_shard_modify_test DEFAULT VALUES RETURNING *) UPDATE multi_shard_modify_test SET t_name = ''FAIL'' ');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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ERROR: cannot perform an INSERT without a partition column value
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-- updates referencing just a var are supported
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_value=t_key WHERE t_key = 10');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SELECT t_value FROM multi_shard_modify_test WHERE t_key=10;
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t_value
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---------------------------------------------------------------------
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10
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(1 row)
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-- updates referencing a column are supported
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_value = t_value + 37 WHERE t_key = 10');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SELECT t_value FROM multi_shard_modify_test WHERE t_key=10;
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t_value
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---------------------------------------------------------------------
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47
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(1 row)
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CREATE FUNCTION temp_stable_func() RETURNS integer AS 'SELECT 10;' LANGUAGE SQL STABLE;
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-- updates referencing non-IMMUTABLE functions are unsupported
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_name = ''FAIL!'' WHERE t_key = temp_stable_func()');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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-- updates referencing IMMUTABLE functions in SET section are supported
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_value = abs(-78) WHERE t_key = 10');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SELECT t_value FROM multi_shard_modify_test WHERE t_key=10;
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t_value
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---------------------------------------------------------------------
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78
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(1 row)
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-- updates referencing STABLE functions in SET section are supported
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_value = temp_stable_func() * 2 WHERE t_key = 10');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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-- updates referencing VOLATILE functions in SET section are not supported
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SELECT master_modify_multiple_shards('UPDATE multi_shard_modify_test SET t_value = random() WHERE t_key = 10');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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ERROR: functions used in UPDATE queries on distributed tables must not be VOLATILE
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-- commands with stable functions in their quals are allowed
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SELECT master_modify_multiple_shards('DELETE FROM multi_shard_modify_test WHERE t_key = temp_stable_func()');
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WARNING: master_modify_multiple_shards is deprecated and will be removed in a future release.
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HINT: Run the command directly
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master_modify_multiple_shards
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---------------------------------------------------------------------
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0
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(1 row)
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SET citus.next_shard_id TO 102046;
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