mirror of https://github.com/citusdata/citus.git
51 lines
1.4 KiB
SQL
51 lines
1.4 KiB
SQL
SHOW server_version \gset
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SELECT substring(:'server_version', '\d+')::int >= 15 AS server_version_ge_15
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\gset
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\if :server_version_ge_15
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\else
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\q
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\endif
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DROP SCHEMA IF EXISTS merge_arbitrary_schema CASCADE;
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CREATE SCHEMA merge_arbitrary_schema;
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SET search_path TO merge_arbitrary_schema;
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SET citus.shard_count TO 4;
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SET citus.next_shard_id TO 6000000;
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CREATE TABLE target_cj(tid int, src text, val int);
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CREATE TABLE source_cj1(sid1 int, src1 text, val1 int);
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CREATE TABLE source_cj2(sid2 int, src2 text, val2 int);
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SELECT create_distributed_table('target_cj', 'tid');
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SELECT create_distributed_table('source_cj1', 'sid1');
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SELECT create_distributed_table('source_cj2', 'sid2');
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CREATE TABLE prept(t1 int, t2 int);
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CREATE TABLE preps(s1 int, s2 int);
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SELECT create_distributed_table('prept', 't1'), create_distributed_table('preps', 's1');
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PREPARE insert(int, int, int) AS
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MERGE INTO prept
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USING (SELECT $2, s1, s2 FROM preps WHERE s2 > $3) as foo
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ON prept.t1 = foo.s1
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WHEN MATCHED THEN
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UPDATE SET t2 = t2 + $1
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WHEN NOT MATCHED THEN
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INSERT VALUES(s1, s2);
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PREPARE delete(int) AS
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MERGE INTO prept
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USING preps
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ON prept.t1 = preps.s1
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WHEN MATCHED AND prept.t2 = $1 THEN
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DELETE
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WHEN MATCHED THEN
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UPDATE SET t2 = t2 + 1;
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-- Citus local tables
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CREATE TABLE t1(id int, val int);
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CREATE TABLE s1(id int, val int);
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SELECT citus_add_local_table_to_metadata('t1');
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SELECT citus_add_local_table_to_metadata('s1');
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