70 lines
2.7 KiB
SQL
70 lines
2.7 KiB
SQL
--
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-- Tests for pg_partition_tree
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--
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SELECT * FROM pg_partition_tree(NULL);
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SELECT * FROM pg_partition_tree(0);
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-- Test table partition trees
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CREATE TABLE ptif_test (a int, b int) PARTITION BY range (a);
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CREATE TABLE ptif_test0 PARTITION OF ptif_test
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FOR VALUES FROM (minvalue) TO (0) PARTITION BY list (b);
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CREATE TABLE ptif_test01 PARTITION OF ptif_test0 FOR VALUES IN (1);
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CREATE TABLE ptif_test1 PARTITION OF ptif_test
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FOR VALUES FROM (0) TO (100) PARTITION BY list (b);
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CREATE TABLE ptif_test11 PARTITION OF ptif_test1 FOR VALUES IN (1);
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CREATE TABLE ptif_test2 PARTITION OF ptif_test
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FOR VALUES FROM (100) TO (maxvalue);
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-- Test index partition tree
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CREATE INDEX ptif_test_index ON ONLY ptif_test (a);
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CREATE INDEX ptif_test0_index ON ONLY ptif_test0 (a);
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ALTER INDEX ptif_test_index ATTACH PARTITION ptif_test0_index;
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CREATE INDEX ptif_test01_index ON ptif_test01 (a);
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ALTER INDEX ptif_test0_index ATTACH PARTITION ptif_test01_index;
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CREATE INDEX ptif_test1_index ON ONLY ptif_test1 (a);
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ALTER INDEX ptif_test_index ATTACH PARTITION ptif_test1_index;
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CREATE INDEX ptif_test11_index ON ptif_test11 (a);
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ALTER INDEX ptif_test1_index ATTACH PARTITION ptif_test11_index;
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CREATE INDEX ptif_test2_index ON ptif_test2 (a);
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ALTER INDEX ptif_test_index ATTACH PARTITION ptif_test2_index;
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-- List all tables members of the tree
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SELECT relid, parentrelid, level, isleaf
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FROM pg_partition_tree('ptif_test');
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-- List tables from an intermediate level
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SELECT relid, parentrelid, level, isleaf
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FROM pg_partition_tree('ptif_test0') p
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JOIN pg_class c ON (p.relid = c.oid);
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-- List from leaf table
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SELECT relid, parentrelid, level, isleaf
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FROM pg_partition_tree('ptif_test01') p
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JOIN pg_class c ON (p.relid = c.oid);
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-- List all indexes members of the tree
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SELECT relid, parentrelid, level, isleaf
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FROM pg_partition_tree('ptif_test_index');
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-- List indexes from an intermediate level
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SELECT relid, parentrelid, level, isleaf
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FROM pg_partition_tree('ptif_test0_index') p
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JOIN pg_class c ON (p.relid = c.oid);
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-- List from leaf index
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SELECT relid, parentrelid, level, isleaf
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FROM pg_partition_tree('ptif_test01_index') p
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JOIN pg_class c ON (p.relid = c.oid);
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DROP TABLE ptif_test;
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-- A table not part of a partition tree works is the only member listed.
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CREATE TABLE ptif_normal_table(a int);
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SELECT relid, parentrelid, level, isleaf
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FROM pg_partition_tree('ptif_normal_table');
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DROP TABLE ptif_normal_table;
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-- Views and materialized viewS cannot be part of a partition tree.
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CREATE VIEW ptif_test_view AS SELECT 1;
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CREATE MATERIALIZED VIEW ptif_test_matview AS SELECT 1;
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SELECT * FROM pg_partition_tree('ptif_test_view');
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SELECT * FROM pg_partition_tree('ptif_test_matview');
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DROP VIEW ptif_test_view;
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DROP MATERIALIZED VIEW ptif_test_matview;
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