mirror of https://github.com/citusdata/citus.git
71 lines
1.5 KiB
SQL
71 lines
1.5 KiB
SQL
--
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-- NON_COLOCATED_JOIN_ORDER
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--
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-- Tests to check placements of shards must be equal to choose local join logic.
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CREATE TABLE test_table_1(id int, value_1 int);
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SELECT master_create_distributed_table('test_table_1', 'id', 'append');
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\copy test_table_1 FROM STDIN DELIMITER ','
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1,2
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2,3
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3,4
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\.
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\copy test_table_1 FROM STDIN DELIMITER ','
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5,2
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6,3
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7,4
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\.
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CREATE TABLE test_table_2(id int, value_1 int);
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SELECT master_create_distributed_table('test_table_2', 'id', 'append');
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\copy test_table_2 FROM STDIN DELIMITER ','
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1,2
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2,3
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3,4
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\.
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\copy test_table_2 FROM STDIN DELIMITER ','
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5,2
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6,3
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7,4
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\.
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SET citus.log_multi_join_order to TRUE;
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SET client_min_messages to DEBUG1;
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SET citus.enable_repartition_joins TO on;
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-- when joining append tables we always get dual re-partition joins
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SELECT count(*) FROM test_table_1, test_table_2 WHERE test_table_1.id = test_table_2.id;
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-- Add two shards placement of interval [8,10] to test_table_1
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SET citus.shard_replication_factor to 2;
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\copy test_table_1 FROM STDIN DELIMITER ','
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8,2
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9,3
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10,4
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\.
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-- Add two shards placement of interval [8,10] to test_table_2
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SET citus.shard_replication_factor to 1;
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\copy test_table_2 FROM STDIN DELIMITER ','
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8,2
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9,3
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10,4
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\.
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-- Although shard interval of relation are same, since they have different amount of placements
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-- for interval [8,10] repartition join logic will be triggered.
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SET citus.enable_repartition_joins to ON;
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SELECT count(*) FROM test_table_1, test_table_2 WHERE test_table_1.id = test_table_2.id;
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SET client_min_messages TO default;
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DROP TABLE test_table_1;
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DROP TABLE test_table_2;
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