mirror of https://github.com/citusdata/citus.git
40 lines
1.3 KiB
SQL
40 lines
1.3 KiB
SQL
CREATE SCHEMA alterindex;
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SET search_path TO "alterindex";
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SET citus.next_shard_id TO 980000;
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SET client_min_messages TO WARNING;
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SET citus.shard_count TO 4;
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SET citus.shard_replication_factor TO 1;
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-- test alter index set statistics
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CREATE TABLE t1 (a int, b int);
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SELECT create_distributed_table('t1','a');
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CREATE INDEX test_idx on t1 ((a+b));
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ALTER INDEX test_idx ALTER COLUMN 1 SET STATISTICS 4646;
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ALTER INDEX test_idx ALTER COLUMN 1 SET STATISTICS -4646;
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ALTER INDEX test_idx ALTER COLUMN 3 SET STATISTICS 4646;
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-- test alter index set statistics before distribution
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CREATE TABLE t2 (a int, b int);
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CREATE INDEX test_idx2 on t2 ((a+b), (a-b), (a*b));
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ALTER INDEX test_idx2 ALTER COLUMN 2 SET STATISTICS 3737;
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ALTER INDEX test_idx2 ALTER COLUMN 3 SET STATISTICS 3737;
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ALTER INDEX test_idx2 ALTER COLUMN 2 SET STATISTICS 99999;
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SELECT create_distributed_table('t2','a');
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-- verify statistics is set
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SELECT c.relname, a.attstattarget
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FROM pg_attribute a
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JOIN pg_class c ON a.attrelid = c.oid AND c.relname LIKE 'test\_idx%'
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ORDER BY c.relname, a.attnum;
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\c - - - :worker_1_port
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SELECT c.relname, a.attstattarget
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FROM pg_attribute a
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JOIN pg_class c ON a.attrelid = c.oid AND c.relname SIMILAR TO 'test\_idx%\_\d%'
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ORDER BY c.relname, a.attnum;
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\c - - - :master_port
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SET client_min_messages TO WARNING;
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DROP SCHEMA alterindex CASCADE;
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