1121 lines
56 KiB
Plaintext
1121 lines
56 KiB
Plaintext
--
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-- CREATE_TABLE
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--
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-- Error cases
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CREATE TABLE unknowntab (
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u unknown -- fail
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);
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ERROR: column "u" has pseudo-type unknown
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CREATE TYPE unknown_comptype AS (
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u unknown -- fail
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);
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ERROR: column "u" has pseudo-type unknown
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-- invalid: non-lowercase quoted reloptions identifiers
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CREATE TABLE tas_case WITH ("Fillfactor" = 10) AS SELECT 1 a;
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ERROR: unrecognized parameter "Fillfactor"
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CREATE UNLOGGED TABLE unlogged1 (a int primary key); -- OK
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CREATE TEMPORARY TABLE unlogged2 (a int primary key); -- OK
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SELECT relname, relkind, relpersistence FROM pg_class WHERE relname ~ '^unlogged\d' ORDER BY relname;
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relname | relkind | relpersistence
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----------------+---------+----------------
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unlogged1 | r | u
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unlogged1_pkey | i | u
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unlogged2 | r | t
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unlogged2_pkey | i | t
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(4 rows)
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REINDEX INDEX unlogged1_pkey;
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REINDEX INDEX unlogged2_pkey;
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SELECT relname, relkind, relpersistence FROM pg_class WHERE relname ~ '^unlogged\d' ORDER BY relname;
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relname | relkind | relpersistence
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----------------+---------+----------------
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unlogged1 | r | u
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unlogged1_pkey | i | u
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unlogged2 | r | t
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unlogged2_pkey | i | t
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(4 rows)
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DROP TABLE unlogged2;
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INSERT INTO unlogged1 VALUES (42);
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CREATE UNLOGGED TABLE public.unlogged2 (a int primary key); -- also OK
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CREATE UNLOGGED TABLE pg_temp.unlogged3 (a int primary key); -- not OK
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ERROR: only temporary relations may be created in temporary schemas
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LINE 1: CREATE UNLOGGED TABLE pg_temp.unlogged3 (a int primary key);
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^
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CREATE TABLE pg_temp.implicitly_temp (a int primary key); -- OK
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CREATE TEMP TABLE explicitly_temp (a int primary key); -- also OK
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CREATE TEMP TABLE pg_temp.doubly_temp (a int primary key); -- also OK
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CREATE TEMP TABLE public.temp_to_perm (a int primary key); -- not OK
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ERROR: cannot create temporary relation in non-temporary schema
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LINE 1: CREATE TEMP TABLE public.temp_to_perm (a int primary key);
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^
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DROP TABLE unlogged1, public.unlogged2;
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CREATE TABLE as_select1 AS SELECT * FROM pg_class WHERE relkind = 'r';
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CREATE TABLE as_select1 AS SELECT * FROM pg_class WHERE relkind = 'r';
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ERROR: relation "as_select1" already exists
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CREATE TABLE IF NOT EXISTS as_select1 AS SELECT * FROM pg_class WHERE relkind = 'r';
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NOTICE: relation "as_select1" already exists, skipping
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DROP TABLE as_select1;
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PREPARE select1 AS SELECT 1 as a;
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CREATE TABLE as_select1 AS EXECUTE select1;
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CREATE TABLE as_select1 AS EXECUTE select1;
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ERROR: relation "as_select1" already exists
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SELECT * FROM as_select1;
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a
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---
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1
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(1 row)
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CREATE TABLE IF NOT EXISTS as_select1 AS EXECUTE select1;
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NOTICE: relation "as_select1" already exists, skipping
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DROP TABLE as_select1;
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DEALLOCATE select1;
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-- create an extra wide table to test for issues related to that
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-- (temporarily hide query, to avoid the long CREATE TABLE stmt)
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\set ECHO none
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INSERT INTO extra_wide_table(firstc, lastc) VALUES('first col', 'last col');
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SELECT firstc, lastc FROM extra_wide_table;
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firstc | lastc
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-----------+----------
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first col | last col
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(1 row)
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-- check that tables with oids cannot be created anymore
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CREATE TABLE withoid() WITH OIDS;
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ERROR: syntax error at or near "OIDS"
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LINE 1: CREATE TABLE withoid() WITH OIDS;
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^
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CREATE TABLE withoid() WITH (oids);
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ERROR: tables declared WITH OIDS are not supported
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CREATE TABLE withoid() WITH (oids = true);
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ERROR: tables declared WITH OIDS are not supported
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-- but explicitly not adding oids is still supported
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CREATE TEMP TABLE withoutoid() WITHOUT OIDS; DROP TABLE withoutoid;
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CREATE TEMP TABLE withoutoid() WITH (oids = false); DROP TABLE withoutoid;
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-- check restriction with default expressions
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-- invalid use of column reference in default expressions
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CREATE TABLE default_expr_column (id int DEFAULT (id));
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ERROR: cannot use column reference in DEFAULT expression
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LINE 1: CREATE TABLE default_expr_column (id int DEFAULT (id));
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^
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CREATE TABLE default_expr_column (id int DEFAULT (bar.id));
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ERROR: cannot use column reference in DEFAULT expression
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LINE 1: CREATE TABLE default_expr_column (id int DEFAULT (bar.id));
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^
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CREATE TABLE default_expr_agg_column (id int DEFAULT (avg(id)));
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ERROR: cannot use column reference in DEFAULT expression
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LINE 1: ...TE TABLE default_expr_agg_column (id int DEFAULT (avg(id)));
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^
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-- invalid column definition
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CREATE TABLE default_expr_non_column (a int DEFAULT (avg(non_existent)));
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ERROR: cannot use column reference in DEFAULT expression
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LINE 1: ...TABLE default_expr_non_column (a int DEFAULT (avg(non_existe...
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^
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-- invalid use of aggregate
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CREATE TABLE default_expr_agg (a int DEFAULT (avg(1)));
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ERROR: aggregate functions are not allowed in DEFAULT expressions
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LINE 1: CREATE TABLE default_expr_agg (a int DEFAULT (avg(1)));
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^
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-- invalid use of subquery
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CREATE TABLE default_expr_agg (a int DEFAULT (select 1));
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ERROR: cannot use subquery in DEFAULT expression
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LINE 1: CREATE TABLE default_expr_agg (a int DEFAULT (select 1));
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^
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-- invalid use of set-returning function
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CREATE TABLE default_expr_agg (a int DEFAULT (generate_series(1,3)));
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ERROR: set-returning functions are not allowed in DEFAULT expressions
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LINE 1: CREATE TABLE default_expr_agg (a int DEFAULT (generate_serie...
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^
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-- Verify that subtransaction rollback restores rd_createSubid.
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BEGIN;
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CREATE TABLE remember_create_subid (c int);
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SAVEPOINT q; DROP TABLE remember_create_subid; ROLLBACK TO q;
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COMMIT;
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DROP TABLE remember_create_subid;
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-- Verify that subtransaction rollback restores rd_firstRelfilenodeSubid.
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CREATE TABLE remember_node_subid (c int);
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BEGIN;
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ALTER TABLE remember_node_subid ALTER c TYPE bigint;
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SAVEPOINT q; DROP TABLE remember_node_subid; ROLLBACK TO q;
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COMMIT;
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DROP TABLE remember_node_subid;
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--
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-- Partitioned tables
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--
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-- cannot combine INHERITS and PARTITION BY (although grammar allows)
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CREATE TABLE partitioned (
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a int
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) INHERITS (some_table) PARTITION BY LIST (a);
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ERROR: cannot create partitioned table as inheritance child
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-- cannot use more than 1 column as partition key for list partitioned table
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CREATE TABLE partitioned (
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a1 int,
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a2 int
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) PARTITION BY LIST (a1, a2); -- fail
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ERROR: cannot use "list" partition strategy with more than one column
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-- unsupported constraint type for partitioned tables
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CREATE TABLE partitioned (
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a int,
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EXCLUDE USING gist (a WITH &&)
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) PARTITION BY RANGE (a);
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ERROR: exclusion constraints are not supported on partitioned tables
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LINE 3: EXCLUDE USING gist (a WITH &&)
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^
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-- prevent using prohibited expressions in the key
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CREATE FUNCTION retset (a int) RETURNS SETOF int AS $$ SELECT 1; $$ LANGUAGE SQL IMMUTABLE;
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CREATE TABLE partitioned (
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a int
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) PARTITION BY RANGE (retset(a));
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ERROR: set-returning functions are not allowed in partition key expressions
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DROP FUNCTION retset(int);
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CREATE TABLE partitioned (
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a int
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) PARTITION BY RANGE ((avg(a)));
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ERROR: aggregate functions are not allowed in partition key expressions
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CREATE TABLE partitioned (
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a int,
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b int
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) PARTITION BY RANGE ((avg(a) OVER (PARTITION BY b)));
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ERROR: window functions are not allowed in partition key expressions
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CREATE TABLE partitioned (
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a int
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) PARTITION BY LIST ((a LIKE (SELECT 1)));
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ERROR: cannot use subquery in partition key expression
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CREATE TABLE partitioned (
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a int
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) PARTITION BY RANGE ((42));
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ERROR: cannot use constant expression as partition key
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CREATE FUNCTION const_func () RETURNS int AS $$ SELECT 1; $$ LANGUAGE SQL IMMUTABLE;
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CREATE TABLE partitioned (
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a int
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) PARTITION BY RANGE (const_func());
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ERROR: cannot use constant expression as partition key
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DROP FUNCTION const_func();
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-- only accept valid partitioning strategy
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CREATE TABLE partitioned (
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a int
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) PARTITION BY MAGIC (a);
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ERROR: unrecognized partitioning strategy "magic"
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-- specified column must be present in the table
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CREATE TABLE partitioned (
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a int
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) PARTITION BY RANGE (b);
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ERROR: column "b" named in partition key does not exist
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LINE 3: ) PARTITION BY RANGE (b);
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^
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-- cannot use system columns in partition key
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CREATE TABLE partitioned (
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a int
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) PARTITION BY RANGE (xmin);
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ERROR: cannot use system column "xmin" in partition key
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LINE 3: ) PARTITION BY RANGE (xmin);
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^
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-- cannot use pseudotypes
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CREATE TABLE partitioned (
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a int,
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b int
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) PARTITION BY RANGE (((a, b)));
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ERROR: partition key column 1 has pseudo-type record
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CREATE TABLE partitioned (
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a int,
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b int
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) PARTITION BY RANGE (a, ('unknown'));
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ERROR: partition key column 2 has pseudo-type unknown
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-- functions in key must be immutable
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CREATE FUNCTION immut_func (a int) RETURNS int AS $$ SELECT a + random()::int; $$ LANGUAGE SQL;
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CREATE TABLE partitioned (
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a int
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) PARTITION BY RANGE (immut_func(a));
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ERROR: functions in partition key expression must be marked IMMUTABLE
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DROP FUNCTION immut_func(int);
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-- prevent using columns of unsupported types in key (type must have a btree operator class)
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CREATE TABLE partitioned (
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a point
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) PARTITION BY LIST (a);
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ERROR: data type point has no default operator class for access method "btree"
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HINT: You must specify a btree operator class or define a default btree operator class for the data type.
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CREATE TABLE partitioned (
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a point
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) PARTITION BY LIST (a point_ops);
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ERROR: operator class "point_ops" does not exist for access method "btree"
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CREATE TABLE partitioned (
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a point
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) PARTITION BY RANGE (a);
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ERROR: data type point has no default operator class for access method "btree"
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HINT: You must specify a btree operator class or define a default btree operator class for the data type.
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CREATE TABLE partitioned (
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a point
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) PARTITION BY RANGE (a point_ops);
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ERROR: operator class "point_ops" does not exist for access method "btree"
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-- cannot add NO INHERIT constraints to partitioned tables
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CREATE TABLE partitioned (
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a int,
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CONSTRAINT check_a CHECK (a > 0) NO INHERIT
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) PARTITION BY RANGE (a);
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ERROR: cannot add NO INHERIT constraint to partitioned table "partitioned"
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-- some checks after successful creation of a partitioned table
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CREATE FUNCTION plusone(a int) RETURNS INT AS $$ SELECT a+1; $$ LANGUAGE SQL;
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CREATE TABLE partitioned (
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a int,
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b int,
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c text,
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d text
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) PARTITION BY RANGE (a oid_ops, plusone(b), c collate "default", d collate "C");
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-- check relkind
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SELECT relkind FROM pg_class WHERE relname = 'partitioned';
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relkind
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---------
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p
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(1 row)
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-- prevent a function referenced in partition key from being dropped
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DROP FUNCTION plusone(int);
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ERROR: cannot drop function plusone(integer) because other objects depend on it
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DETAIL: table partitioned depends on function plusone(integer)
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HINT: Use DROP ... CASCADE to drop the dependent objects too.
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-- partitioned table cannot participate in regular inheritance
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CREATE TABLE partitioned2 (
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a int,
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b text
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) PARTITION BY RANGE ((a+1), substr(b, 1, 5));
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CREATE TABLE fail () INHERITS (partitioned2);
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ERROR: cannot inherit from partitioned table "partitioned2"
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-- Partition key in describe output
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\d partitioned
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Partitioned table "public.partitioned"
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Column | Type | Collation | Nullable | Default
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--------+---------+-----------+----------+---------
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a | integer | | |
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b | integer | | |
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c | text | | |
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d | text | | |
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Partition key: RANGE (a oid_ops, plusone(b), c, d COLLATE "C")
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Number of partitions: 0
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\d+ partitioned2
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Partitioned table "public.partitioned2"
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Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
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--------+---------+-----------+----------+---------+----------+--------------+-------------
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a | integer | | | | plain | |
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b | text | | | | extended | |
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Partition key: RANGE (((a + 1)), substr(b, 1, 5))
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Number of partitions: 0
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INSERT INTO partitioned2 VALUES (1, 'hello');
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ERROR: no partition of relation "partitioned2" found for row
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DETAIL: Partition key of the failing row contains ((a + 1), substr(b, 1, 5)) = (2, hello).
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CREATE TABLE part2_1 PARTITION OF partitioned2 FOR VALUES FROM (-1, 'aaaaa') TO (100, 'ccccc');
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\d+ part2_1
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Table "public.part2_1"
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Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
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--------+---------+-----------+----------+---------+----------+--------------+-------------
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a | integer | | | | plain | |
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b | text | | | | extended | |
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Partition of: partitioned2 FOR VALUES FROM ('-1', 'aaaaa') TO (100, 'ccccc')
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Partition constraint: (((a + 1) IS NOT NULL) AND (substr(b, 1, 5) IS NOT NULL) AND (((a + 1) > '-1'::integer) OR (((a + 1) = '-1'::integer) AND (substr(b, 1, 5) >= 'aaaaa'::text))) AND (((a + 1) < 100) OR (((a + 1) = 100) AND (substr(b, 1, 5) < 'ccccc'::text))))
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DROP TABLE partitioned, partitioned2;
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-- check reference to partitioned table's rowtype in partition descriptor
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create table partitioned (a int, b int)
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partition by list ((row(a, b)::partitioned));
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create table partitioned1
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partition of partitioned for values in ('(1,2)'::partitioned);
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create table partitioned2
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partition of partitioned for values in ('(2,4)'::partitioned);
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explain (costs off)
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select * from partitioned where row(a,b)::partitioned = '(1,2)'::partitioned;
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QUERY PLAN
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-----------------------------------------------------------
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Seq Scan on partitioned1 partitioned
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Filter: (ROW(a, b)::partitioned = '(1,2)'::partitioned)
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(2 rows)
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drop table partitioned;
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-- whole-row Var in partition key works too
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create table partitioned (a int, b int)
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partition by list ((partitioned));
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create table partitioned1
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partition of partitioned for values in ('(1,2)');
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create table partitioned2
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partition of partitioned for values in ('(2,4)');
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explain (costs off)
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select * from partitioned where partitioned = '(1,2)'::partitioned;
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QUERY PLAN
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-----------------------------------------------------------------
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Seq Scan on partitioned1 partitioned
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Filter: ((partitioned.*)::partitioned = '(1,2)'::partitioned)
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(2 rows)
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\d+ partitioned1
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Table "public.partitioned1"
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Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
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--------+---------+-----------+----------+---------+---------+--------------+-------------
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a | integer | | | | plain | |
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b | integer | | | | plain | |
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Partition of: partitioned FOR VALUES IN ('(1,2)')
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Partition constraint: (((partitioned1.*)::partitioned IS DISTINCT FROM NULL) AND ((partitioned1.*)::partitioned = '(1,2)'::partitioned))
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drop table partitioned;
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-- check that dependencies of partition columns are handled correctly
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create domain intdom1 as int;
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create table partitioned (
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a intdom1,
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b text
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) partition by range (a);
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alter table partitioned drop column a; -- fail
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ERROR: cannot drop column "a" because it is part of the partition key of relation "partitioned"
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drop domain intdom1; -- fail, requires cascade
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ERROR: cannot drop type intdom1 because other objects depend on it
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DETAIL: table partitioned depends on type intdom1
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HINT: Use DROP ... CASCADE to drop the dependent objects too.
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drop domain intdom1 cascade;
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NOTICE: drop cascades to table partitioned
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table partitioned; -- gone
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ERROR: relation "partitioned" does not exist
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LINE 1: table partitioned;
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^
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-- likewise for columns used in partition expressions
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create domain intdom1 as int;
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create table partitioned (
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a intdom1,
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b text
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) partition by range (plusone(a));
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alter table partitioned drop column a; -- fail
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ERROR: cannot drop column "a" because it is part of the partition key of relation "partitioned"
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drop domain intdom1; -- fail, requires cascade
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ERROR: cannot drop type intdom1 because other objects depend on it
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DETAIL: table partitioned depends on type intdom1
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HINT: Use DROP ... CASCADE to drop the dependent objects too.
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drop domain intdom1 cascade;
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NOTICE: drop cascades to table partitioned
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table partitioned; -- gone
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ERROR: relation "partitioned" does not exist
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LINE 1: table partitioned;
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^
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--
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-- Partitions
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--
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-- check partition bound syntax
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CREATE TABLE list_parted (
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a int
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) PARTITION BY LIST (a);
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CREATE TABLE part_p1 PARTITION OF list_parted FOR VALUES IN ('1');
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CREATE TABLE part_p2 PARTITION OF list_parted FOR VALUES IN (2);
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CREATE TABLE part_p3 PARTITION OF list_parted FOR VALUES IN ((2+1));
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CREATE TABLE part_null PARTITION OF list_parted FOR VALUES IN (null);
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\d+ list_parted
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Partitioned table "public.list_parted"
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Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
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--------+---------+-----------+----------+---------+---------+--------------+-------------
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a | integer | | | | plain | |
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Partition key: LIST (a)
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Partitions: part_null FOR VALUES IN (NULL),
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part_p1 FOR VALUES IN (1),
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part_p2 FOR VALUES IN (2),
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part_p3 FOR VALUES IN (3)
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-- forbidden expressions for partition bound with list partitioned table
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CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (somename);
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ERROR: cannot use column reference in partition bound expression
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LINE 1: ...expr_fail PARTITION OF list_parted FOR VALUES IN (somename);
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^
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CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (somename.somename);
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ERROR: cannot use column reference in partition bound expression
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LINE 1: ...expr_fail PARTITION OF list_parted FOR VALUES IN (somename.s...
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^
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CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (a);
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ERROR: cannot use column reference in partition bound expression
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LINE 1: ..._bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (a);
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^
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CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (sum(a));
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ERROR: cannot use column reference in partition bound expression
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LINE 1: ...s_expr_fail PARTITION OF list_parted FOR VALUES IN (sum(a));
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^
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CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (sum(somename));
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ERROR: cannot use column reference in partition bound expression
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LINE 1: ..._fail PARTITION OF list_parted FOR VALUES IN (sum(somename))...
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^
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CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (sum(1));
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ERROR: aggregate functions are not allowed in partition bound
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LINE 1: ...s_expr_fail PARTITION OF list_parted FOR VALUES IN (sum(1));
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^
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CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN ((select 1));
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ERROR: cannot use subquery in partition bound
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LINE 1: ...expr_fail PARTITION OF list_parted FOR VALUES IN ((select 1)...
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|
^
|
|
CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (generate_series(4, 6));
|
|
ERROR: set-returning functions are not allowed in partition bound
|
|
LINE 1: ...expr_fail PARTITION OF list_parted FOR VALUES IN (generate_s...
|
|
^
|
|
CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN ((1+1) collate "POSIX");
|
|
ERROR: collations are not supported by type integer
|
|
LINE 1: ...ail PARTITION OF list_parted FOR VALUES IN ((1+1) collate "P...
|
|
^
|
|
-- syntax does not allow empty list of values for list partitions
|
|
CREATE TABLE fail_part PARTITION OF list_parted FOR VALUES IN ();
|
|
ERROR: syntax error at or near ")"
|
|
LINE 1: ...E TABLE fail_part PARTITION OF list_parted FOR VALUES IN ();
|
|
^
|
|
-- trying to specify range for list partitioned table
|
|
CREATE TABLE fail_part PARTITION OF list_parted FOR VALUES FROM (1) TO (2);
|
|
ERROR: invalid bound specification for a list partition
|
|
LINE 1: ...BLE fail_part PARTITION OF list_parted FOR VALUES FROM (1) T...
|
|
^
|
|
-- trying to specify modulus and remainder for list partitioned table
|
|
CREATE TABLE fail_part PARTITION OF list_parted FOR VALUES WITH (MODULUS 10, REMAINDER 1);
|
|
ERROR: invalid bound specification for a list partition
|
|
LINE 1: ...BLE fail_part PARTITION OF list_parted FOR VALUES WITH (MODU...
|
|
^
|
|
-- check default partition cannot be created more than once
|
|
CREATE TABLE part_default PARTITION OF list_parted DEFAULT;
|
|
CREATE TABLE fail_default_part PARTITION OF list_parted DEFAULT;
|
|
ERROR: partition "fail_default_part" conflicts with existing default partition "part_default"
|
|
LINE 1: ...TE TABLE fail_default_part PARTITION OF list_parted DEFAULT;
|
|
^
|
|
-- specified literal can't be cast to the partition column data type
|
|
CREATE TABLE bools (
|
|
a bool
|
|
) PARTITION BY LIST (a);
|
|
CREATE TABLE bools_true PARTITION OF bools FOR VALUES IN (1);
|
|
ERROR: specified value cannot be cast to type boolean for column "a"
|
|
LINE 1: ...REATE TABLE bools_true PARTITION OF bools FOR VALUES IN (1);
|
|
^
|
|
DROP TABLE bools;
|
|
-- specified literal can be cast, and the cast might not be immutable
|
|
CREATE TABLE moneyp (
|
|
a money
|
|
) PARTITION BY LIST (a);
|
|
CREATE TABLE moneyp_10 PARTITION OF moneyp FOR VALUES IN (10);
|
|
CREATE TABLE moneyp_11 PARTITION OF moneyp FOR VALUES IN ('11');
|
|
CREATE TABLE moneyp_12 PARTITION OF moneyp FOR VALUES IN (to_char(12, '99')::int);
|
|
DROP TABLE moneyp;
|
|
-- cast is immutable
|
|
CREATE TABLE bigintp (
|
|
a bigint
|
|
) PARTITION BY LIST (a);
|
|
CREATE TABLE bigintp_10 PARTITION OF bigintp FOR VALUES IN (10);
|
|
-- fails due to overlap:
|
|
CREATE TABLE bigintp_10_2 PARTITION OF bigintp FOR VALUES IN ('10');
|
|
ERROR: partition "bigintp_10_2" would overlap partition "bigintp_10"
|
|
LINE 1: ...ABLE bigintp_10_2 PARTITION OF bigintp FOR VALUES IN ('10');
|
|
^
|
|
DROP TABLE bigintp;
|
|
CREATE TABLE range_parted (
|
|
a date
|
|
) PARTITION BY RANGE (a);
|
|
-- forbidden expressions for partition bounds with range partitioned table
|
|
CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted
|
|
FOR VALUES FROM (somename) TO ('2019-01-01');
|
|
ERROR: cannot use column reference in partition bound expression
|
|
LINE 2: FOR VALUES FROM (somename) TO ('2019-01-01');
|
|
^
|
|
CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted
|
|
FOR VALUES FROM (somename.somename) TO ('2019-01-01');
|
|
ERROR: cannot use column reference in partition bound expression
|
|
LINE 2: FOR VALUES FROM (somename.somename) TO ('2019-01-01');
|
|
^
|
|
CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted
|
|
FOR VALUES FROM (a) TO ('2019-01-01');
|
|
ERROR: cannot use column reference in partition bound expression
|
|
LINE 2: FOR VALUES FROM (a) TO ('2019-01-01');
|
|
^
|
|
CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted
|
|
FOR VALUES FROM (max(a)) TO ('2019-01-01');
|
|
ERROR: cannot use column reference in partition bound expression
|
|
LINE 2: FOR VALUES FROM (max(a)) TO ('2019-01-01');
|
|
^
|
|
CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted
|
|
FOR VALUES FROM (max(somename)) TO ('2019-01-01');
|
|
ERROR: cannot use column reference in partition bound expression
|
|
LINE 2: FOR VALUES FROM (max(somename)) TO ('2019-01-01');
|
|
^
|
|
CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted
|
|
FOR VALUES FROM (max('2019-02-01'::date)) TO ('2019-01-01');
|
|
ERROR: aggregate functions are not allowed in partition bound
|
|
LINE 2: FOR VALUES FROM (max('2019-02-01'::date)) TO ('2019-01-01'...
|
|
^
|
|
CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted
|
|
FOR VALUES FROM ((select 1)) TO ('2019-01-01');
|
|
ERROR: cannot use subquery in partition bound
|
|
LINE 2: FOR VALUES FROM ((select 1)) TO ('2019-01-01');
|
|
^
|
|
CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted
|
|
FOR VALUES FROM (generate_series(1, 3)) TO ('2019-01-01');
|
|
ERROR: set-returning functions are not allowed in partition bound
|
|
LINE 2: FOR VALUES FROM (generate_series(1, 3)) TO ('2019-01-01');
|
|
^
|
|
-- trying to specify list for range partitioned table
|
|
CREATE TABLE fail_part PARTITION OF range_parted FOR VALUES IN ('a');
|
|
ERROR: invalid bound specification for a range partition
|
|
LINE 1: ...BLE fail_part PARTITION OF range_parted FOR VALUES IN ('a');
|
|
^
|
|
-- trying to specify modulus and remainder for range partitioned table
|
|
CREATE TABLE fail_part PARTITION OF range_parted FOR VALUES WITH (MODULUS 10, REMAINDER 1);
|
|
ERROR: invalid bound specification for a range partition
|
|
LINE 1: ...LE fail_part PARTITION OF range_parted FOR VALUES WITH (MODU...
|
|
^
|
|
-- each of start and end bounds must have same number of values as the
|
|
-- length of the partition key
|
|
CREATE TABLE fail_part PARTITION OF range_parted FOR VALUES FROM ('a', 1) TO ('z');
|
|
ERROR: FROM must specify exactly one value per partitioning column
|
|
CREATE TABLE fail_part PARTITION OF range_parted FOR VALUES FROM ('a') TO ('z', 1);
|
|
ERROR: TO must specify exactly one value per partitioning column
|
|
-- cannot specify null values in range bounds
|
|
CREATE TABLE fail_part PARTITION OF range_parted FOR VALUES FROM (null) TO (maxvalue);
|
|
ERROR: cannot specify NULL in range bound
|
|
-- trying to specify modulus and remainder for range partitioned table
|
|
CREATE TABLE fail_part PARTITION OF range_parted FOR VALUES WITH (MODULUS 10, REMAINDER 1);
|
|
ERROR: invalid bound specification for a range partition
|
|
LINE 1: ...LE fail_part PARTITION OF range_parted FOR VALUES WITH (MODU...
|
|
^
|
|
-- check partition bound syntax for the hash partition
|
|
CREATE TABLE hash_parted (
|
|
a int
|
|
) PARTITION BY HASH (a);
|
|
CREATE TABLE hpart_1 PARTITION OF hash_parted FOR VALUES WITH (MODULUS 10, REMAINDER 0);
|
|
CREATE TABLE hpart_2 PARTITION OF hash_parted FOR VALUES WITH (MODULUS 50, REMAINDER 1);
|
|
CREATE TABLE hpart_3 PARTITION OF hash_parted FOR VALUES WITH (MODULUS 200, REMAINDER 2);
|
|
CREATE TABLE hpart_4 PARTITION OF hash_parted FOR VALUES WITH (MODULUS 10, REMAINDER 3);
|
|
-- modulus 25 is factor of modulus of 50 but 10 is not a factor of 25.
|
|
CREATE TABLE fail_part PARTITION OF hash_parted FOR VALUES WITH (MODULUS 25, REMAINDER 3);
|
|
ERROR: every hash partition modulus must be a factor of the next larger modulus
|
|
DETAIL: The new modulus 25 is not divisible by 10, the modulus of existing partition "hpart_4".
|
|
-- previous modulus 50 is factor of 150 but this modulus is not a factor of next modulus 200.
|
|
CREATE TABLE fail_part PARTITION OF hash_parted FOR VALUES WITH (MODULUS 150, REMAINDER 3);
|
|
ERROR: every hash partition modulus must be a factor of the next larger modulus
|
|
DETAIL: The new modulus 150 is not a factor of 200, the modulus of existing partition "hpart_3".
|
|
-- overlapping remainders
|
|
CREATE TABLE fail_part PARTITION OF hash_parted FOR VALUES WITH (MODULUS 100, REMAINDER 3);
|
|
ERROR: partition "fail_part" would overlap partition "hpart_4"
|
|
LINE 1: ...BLE fail_part PARTITION OF hash_parted FOR VALUES WITH (MODU...
|
|
^
|
|
-- trying to specify range for the hash partitioned table
|
|
CREATE TABLE fail_part PARTITION OF hash_parted FOR VALUES FROM ('a', 1) TO ('z');
|
|
ERROR: invalid bound specification for a hash partition
|
|
LINE 1: ...BLE fail_part PARTITION OF hash_parted FOR VALUES FROM ('a',...
|
|
^
|
|
-- trying to specify list value for the hash partitioned table
|
|
CREATE TABLE fail_part PARTITION OF hash_parted FOR VALUES IN (1000);
|
|
ERROR: invalid bound specification for a hash partition
|
|
LINE 1: ...BLE fail_part PARTITION OF hash_parted FOR VALUES IN (1000);
|
|
^
|
|
-- trying to create default partition for the hash partitioned table
|
|
CREATE TABLE fail_default_part PARTITION OF hash_parted DEFAULT;
|
|
ERROR: a hash-partitioned table may not have a default partition
|
|
-- check if compatible with the specified parent
|
|
-- cannot create as partition of a non-partitioned table
|
|
CREATE TABLE unparted (
|
|
a int
|
|
);
|
|
CREATE TABLE fail_part PARTITION OF unparted FOR VALUES IN ('a');
|
|
ERROR: "unparted" is not partitioned
|
|
CREATE TABLE fail_part PARTITION OF unparted FOR VALUES WITH (MODULUS 2, REMAINDER 1);
|
|
ERROR: "unparted" is not partitioned
|
|
DROP TABLE unparted;
|
|
-- cannot create a permanent rel as partition of a temp rel
|
|
CREATE TEMP TABLE temp_parted (
|
|
a int
|
|
) PARTITION BY LIST (a);
|
|
CREATE TABLE fail_part PARTITION OF temp_parted FOR VALUES IN ('a');
|
|
ERROR: cannot create a permanent relation as partition of temporary relation "temp_parted"
|
|
DROP TABLE temp_parted;
|
|
-- check for partition bound overlap and other invalid specifications
|
|
CREATE TABLE list_parted2 (
|
|
a varchar
|
|
) PARTITION BY LIST (a);
|
|
CREATE TABLE part_null_z PARTITION OF list_parted2 FOR VALUES IN (null, 'z');
|
|
CREATE TABLE part_ab PARTITION OF list_parted2 FOR VALUES IN ('a', 'b');
|
|
CREATE TABLE list_parted2_def PARTITION OF list_parted2 DEFAULT;
|
|
CREATE TABLE fail_part PARTITION OF list_parted2 FOR VALUES IN (null);
|
|
ERROR: partition "fail_part" would overlap partition "part_null_z"
|
|
LINE 1: ...LE fail_part PARTITION OF list_parted2 FOR VALUES IN (null);
|
|
^
|
|
CREATE TABLE fail_part PARTITION OF list_parted2 FOR VALUES IN ('b', 'c');
|
|
ERROR: partition "fail_part" would overlap partition "part_ab"
|
|
LINE 1: ...ail_part PARTITION OF list_parted2 FOR VALUES IN ('b', 'c');
|
|
^
|
|
-- check default partition overlap
|
|
INSERT INTO list_parted2 VALUES('X');
|
|
CREATE TABLE fail_part PARTITION OF list_parted2 FOR VALUES IN ('W', 'X', 'Y');
|
|
ERROR: updated partition constraint for default partition "list_parted2_def" would be violated by some row
|
|
CREATE TABLE range_parted2 (
|
|
a int
|
|
) PARTITION BY RANGE (a);
|
|
-- trying to create range partition with empty range
|
|
CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (1) TO (0);
|
|
ERROR: empty range bound specified for partition "fail_part"
|
|
LINE 1: ..._part PARTITION OF range_parted2 FOR VALUES FROM (1) TO (0);
|
|
^
|
|
DETAIL: Specified lower bound (1) is greater than or equal to upper bound (0).
|
|
-- note that the range '[1, 1)' has no elements
|
|
CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (1) TO (1);
|
|
ERROR: empty range bound specified for partition "fail_part"
|
|
LINE 1: ..._part PARTITION OF range_parted2 FOR VALUES FROM (1) TO (1);
|
|
^
|
|
DETAIL: Specified lower bound (1) is greater than or equal to upper bound (1).
|
|
CREATE TABLE part0 PARTITION OF range_parted2 FOR VALUES FROM (minvalue) TO (1);
|
|
CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (minvalue) TO (2);
|
|
ERROR: partition "fail_part" would overlap partition "part0"
|
|
LINE 1: ..._part PARTITION OF range_parted2 FOR VALUES FROM (minvalue) ...
|
|
^
|
|
CREATE TABLE part1 PARTITION OF range_parted2 FOR VALUES FROM (1) TO (10);
|
|
CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (-1) TO (1);
|
|
ERROR: partition "fail_part" would overlap partition "part0"
|
|
LINE 1: ..._part PARTITION OF range_parted2 FOR VALUES FROM (-1) TO (1)...
|
|
^
|
|
CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (9) TO (maxvalue);
|
|
ERROR: partition "fail_part" would overlap partition "part1"
|
|
LINE 1: ..._part PARTITION OF range_parted2 FOR VALUES FROM (9) TO (max...
|
|
^
|
|
CREATE TABLE part2 PARTITION OF range_parted2 FOR VALUES FROM (20) TO (30);
|
|
CREATE TABLE part3 PARTITION OF range_parted2 FOR VALUES FROM (30) TO (40);
|
|
CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (10) TO (30);
|
|
ERROR: partition "fail_part" would overlap partition "part2"
|
|
LINE 1: ...art PARTITION OF range_parted2 FOR VALUES FROM (10) TO (30);
|
|
^
|
|
CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (10) TO (50);
|
|
ERROR: partition "fail_part" would overlap partition "part2"
|
|
LINE 1: ...art PARTITION OF range_parted2 FOR VALUES FROM (10) TO (50);
|
|
^
|
|
-- Create a default partition for range partitioned table
|
|
CREATE TABLE range2_default PARTITION OF range_parted2 DEFAULT;
|
|
-- More than one default partition is not allowed, so this should give error
|
|
CREATE TABLE fail_default_part PARTITION OF range_parted2 DEFAULT;
|
|
ERROR: partition "fail_default_part" conflicts with existing default partition "range2_default"
|
|
LINE 1: ... TABLE fail_default_part PARTITION OF range_parted2 DEFAULT;
|
|
^
|
|
-- Check if the range for default partitions overlap
|
|
INSERT INTO range_parted2 VALUES (85);
|
|
CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (80) TO (90);
|
|
ERROR: updated partition constraint for default partition "range2_default" would be violated by some row
|
|
CREATE TABLE part4 PARTITION OF range_parted2 FOR VALUES FROM (90) TO (100);
|
|
-- now check for multi-column range partition key
|
|
CREATE TABLE range_parted3 (
|
|
a int,
|
|
b int
|
|
) PARTITION BY RANGE (a, (b+1));
|
|
CREATE TABLE part00 PARTITION OF range_parted3 FOR VALUES FROM (0, minvalue) TO (0, maxvalue);
|
|
CREATE TABLE fail_part PARTITION OF range_parted3 FOR VALUES FROM (0, minvalue) TO (0, 1);
|
|
ERROR: partition "fail_part" would overlap partition "part00"
|
|
LINE 1: ..._part PARTITION OF range_parted3 FOR VALUES FROM (0, minvalu...
|
|
^
|
|
CREATE TABLE part10 PARTITION OF range_parted3 FOR VALUES FROM (1, minvalue) TO (1, 1);
|
|
CREATE TABLE part11 PARTITION OF range_parted3 FOR VALUES FROM (1, 1) TO (1, 10);
|
|
CREATE TABLE part12 PARTITION OF range_parted3 FOR VALUES FROM (1, 10) TO (1, maxvalue);
|
|
CREATE TABLE fail_part PARTITION OF range_parted3 FOR VALUES FROM (1, 10) TO (1, 20);
|
|
ERROR: partition "fail_part" would overlap partition "part12"
|
|
LINE 1: ...rt PARTITION OF range_parted3 FOR VALUES FROM (1, 10) TO (1,...
|
|
^
|
|
CREATE TABLE range3_default PARTITION OF range_parted3 DEFAULT;
|
|
-- cannot create a partition that says column b is allowed to range
|
|
-- from -infinity to +infinity, while there exist partitions that have
|
|
-- more specific ranges
|
|
CREATE TABLE fail_part PARTITION OF range_parted3 FOR VALUES FROM (1, minvalue) TO (1, maxvalue);
|
|
ERROR: partition "fail_part" would overlap partition "part10"
|
|
LINE 1: ..._part PARTITION OF range_parted3 FOR VALUES FROM (1, minvalu...
|
|
^
|
|
-- check for partition bound overlap and other invalid specifications for the hash partition
|
|
CREATE TABLE hash_parted2 (
|
|
a varchar
|
|
) PARTITION BY HASH (a);
|
|
CREATE TABLE h2part_1 PARTITION OF hash_parted2 FOR VALUES WITH (MODULUS 4, REMAINDER 2);
|
|
CREATE TABLE h2part_2 PARTITION OF hash_parted2 FOR VALUES WITH (MODULUS 8, REMAINDER 0);
|
|
CREATE TABLE h2part_3 PARTITION OF hash_parted2 FOR VALUES WITH (MODULUS 8, REMAINDER 4);
|
|
CREATE TABLE h2part_4 PARTITION OF hash_parted2 FOR VALUES WITH (MODULUS 8, REMAINDER 5);
|
|
-- overlap with part_4
|
|
CREATE TABLE fail_part PARTITION OF hash_parted2 FOR VALUES WITH (MODULUS 2, REMAINDER 1);
|
|
ERROR: partition "fail_part" would overlap partition "h2part_4"
|
|
LINE 1: ...LE fail_part PARTITION OF hash_parted2 FOR VALUES WITH (MODU...
|
|
^
|
|
-- modulus must be greater than zero
|
|
CREATE TABLE fail_part PARTITION OF hash_parted2 FOR VALUES WITH (MODULUS 0, REMAINDER 1);
|
|
ERROR: modulus for hash partition must be an integer value greater than zero
|
|
-- remainder must be greater than or equal to zero and less than modulus
|
|
CREATE TABLE fail_part PARTITION OF hash_parted2 FOR VALUES WITH (MODULUS 8, REMAINDER 8);
|
|
ERROR: remainder for hash partition must be less than modulus
|
|
-- check schema propagation from parent
|
|
CREATE TABLE parted (
|
|
a text,
|
|
b int NOT NULL DEFAULT 0,
|
|
CONSTRAINT check_a CHECK (length(a) > 0)
|
|
) PARTITION BY LIST (a);
|
|
CREATE TABLE part_a PARTITION OF parted FOR VALUES IN ('a');
|
|
-- only inherited attributes (never local ones)
|
|
SELECT attname, attislocal, attinhcount FROM pg_attribute
|
|
WHERE attrelid = 'part_a'::regclass and attnum > 0
|
|
ORDER BY attnum;
|
|
attname | attislocal | attinhcount
|
|
---------+------------+-------------
|
|
a | f | 1
|
|
b | f | 1
|
|
(2 rows)
|
|
|
|
-- able to specify column default, column constraint, and table constraint
|
|
-- first check the "column specified more than once" error
|
|
CREATE TABLE part_b PARTITION OF parted (
|
|
b NOT NULL,
|
|
b DEFAULT 1,
|
|
b CHECK (b >= 0),
|
|
CONSTRAINT check_a CHECK (length(a) > 0)
|
|
) FOR VALUES IN ('b');
|
|
ERROR: column "b" specified more than once
|
|
CREATE TABLE part_b PARTITION OF parted (
|
|
b NOT NULL DEFAULT 1,
|
|
CONSTRAINT check_a CHECK (length(a) > 0),
|
|
CONSTRAINT check_b CHECK (b >= 0)
|
|
) FOR VALUES IN ('b');
|
|
NOTICE: merging constraint "check_a" with inherited definition
|
|
-- conislocal should be false for any merged constraints, true otherwise
|
|
SELECT conislocal, coninhcount FROM pg_constraint WHERE conrelid = 'part_b'::regclass ORDER BY conislocal, coninhcount;
|
|
conislocal | coninhcount
|
|
------------+-------------
|
|
f | 1
|
|
t | 0
|
|
(2 rows)
|
|
|
|
-- Once check_b is added to the parent, it should be made non-local for part_b
|
|
ALTER TABLE parted ADD CONSTRAINT check_b CHECK (b >= 0);
|
|
NOTICE: merging constraint "check_b" with inherited definition
|
|
SELECT conislocal, coninhcount FROM pg_constraint WHERE conrelid = 'part_b'::regclass;
|
|
conislocal | coninhcount
|
|
------------+-------------
|
|
f | 1
|
|
f | 1
|
|
(2 rows)
|
|
|
|
-- Neither check_a nor check_b are droppable from part_b
|
|
ALTER TABLE part_b DROP CONSTRAINT check_a;
|
|
ERROR: cannot drop inherited constraint "check_a" of relation "part_b"
|
|
ALTER TABLE part_b DROP CONSTRAINT check_b;
|
|
ERROR: cannot drop inherited constraint "check_b" of relation "part_b"
|
|
-- And dropping it from parted should leave no trace of them on part_b, unlike
|
|
-- traditional inheritance where they will be left behind, because they would
|
|
-- be local constraints.
|
|
ALTER TABLE parted DROP CONSTRAINT check_a, DROP CONSTRAINT check_b;
|
|
SELECT conislocal, coninhcount FROM pg_constraint WHERE conrelid = 'part_b'::regclass;
|
|
conislocal | coninhcount
|
|
------------+-------------
|
|
(0 rows)
|
|
|
|
-- specify PARTITION BY for a partition
|
|
CREATE TABLE fail_part_col_not_found PARTITION OF parted FOR VALUES IN ('c') PARTITION BY RANGE (c);
|
|
ERROR: column "c" named in partition key does not exist
|
|
LINE 1: ...TITION OF parted FOR VALUES IN ('c') PARTITION BY RANGE (c);
|
|
^
|
|
CREATE TABLE part_c PARTITION OF parted (b WITH OPTIONS NOT NULL DEFAULT 0) FOR VALUES IN ('c') PARTITION BY RANGE ((b));
|
|
-- create a level-2 partition
|
|
CREATE TABLE part_c_1_10 PARTITION OF part_c FOR VALUES FROM (1) TO (10);
|
|
-- check that NOT NULL and default value are inherited correctly
|
|
create table parted_notnull_inh_test (a int default 1, b int not null default 0) partition by list (a);
|
|
create table parted_notnull_inh_test1 partition of parted_notnull_inh_test (a not null, b default 1) for values in (1);
|
|
insert into parted_notnull_inh_test (b) values (null);
|
|
ERROR: null value in column "b" of relation "parted_notnull_inh_test1" violates not-null constraint
|
|
DETAIL: Failing row contains (1, null).
|
|
-- note that while b's default is overridden, a's default is preserved
|
|
\d parted_notnull_inh_test1
|
|
Table "public.parted_notnull_inh_test1"
|
|
Column | Type | Collation | Nullable | Default
|
|
--------+---------+-----------+----------+---------
|
|
a | integer | | not null | 1
|
|
b | integer | | not null | 1
|
|
Partition of: parted_notnull_inh_test FOR VALUES IN (1)
|
|
|
|
drop table parted_notnull_inh_test;
|
|
-- check that collations are assigned in partition bound expressions
|
|
create table parted_boolean_col (a bool, b text) partition by list(a);
|
|
create table parted_boolean_less partition of parted_boolean_col
|
|
for values in ('foo' < 'bar');
|
|
create table parted_boolean_greater partition of parted_boolean_col
|
|
for values in ('foo' > 'bar');
|
|
drop table parted_boolean_col;
|
|
-- check for a conflicting COLLATE clause
|
|
create table parted_collate_must_match (a text collate "C", b text collate "C")
|
|
partition by range (a);
|
|
-- on the partition key
|
|
create table parted_collate_must_match1 partition of parted_collate_must_match
|
|
(a collate "POSIX") for values from ('a') to ('m');
|
|
-- on another column
|
|
create table parted_collate_must_match2 partition of parted_collate_must_match
|
|
(b collate "POSIX") for values from ('m') to ('z');
|
|
drop table parted_collate_must_match;
|
|
-- check that non-matching collations for partition bound
|
|
-- expressions are coerced to the right collation
|
|
create table test_part_coll_posix (a text) partition by range (a collate "POSIX");
|
|
-- ok, collation is implicitly coerced
|
|
create table test_part_coll partition of test_part_coll_posix for values from ('a' collate "C") to ('g');
|
|
-- ok
|
|
create table test_part_coll2 partition of test_part_coll_posix for values from ('g') to ('m');
|
|
-- ok, collation is implicitly coerced
|
|
create table test_part_coll_cast partition of test_part_coll_posix for values from (name 'm' collate "C") to ('s');
|
|
-- ok; partition collation silently overrides the default collation of type 'name'
|
|
create table test_part_coll_cast2 partition of test_part_coll_posix for values from (name 's') to ('z');
|
|
drop table test_part_coll_posix;
|
|
-- Partition bound in describe output
|
|
\d+ part_b
|
|
Table "public.part_b"
|
|
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
|
|
--------+---------+-----------+----------+---------+----------+--------------+-------------
|
|
a | text | | | | extended | |
|
|
b | integer | | not null | 1 | plain | |
|
|
Partition of: parted FOR VALUES IN ('b')
|
|
Partition constraint: ((a IS NOT NULL) AND (a = 'b'::text))
|
|
|
|
-- Both partition bound and partition key in describe output
|
|
\d+ part_c
|
|
Partitioned table "public.part_c"
|
|
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
|
|
--------+---------+-----------+----------+---------+----------+--------------+-------------
|
|
a | text | | | | extended | |
|
|
b | integer | | not null | 0 | plain | |
|
|
Partition of: parted FOR VALUES IN ('c')
|
|
Partition constraint: ((a IS NOT NULL) AND (a = 'c'::text))
|
|
Partition key: RANGE (b)
|
|
Partitions: part_c_1_10 FOR VALUES FROM (1) TO (10)
|
|
|
|
-- a level-2 partition's constraint will include the parent's expressions
|
|
\d+ part_c_1_10
|
|
Table "public.part_c_1_10"
|
|
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
|
|
--------+---------+-----------+----------+---------+----------+--------------+-------------
|
|
a | text | | | | extended | |
|
|
b | integer | | not null | 0 | plain | |
|
|
Partition of: part_c FOR VALUES FROM (1) TO (10)
|
|
Partition constraint: ((a IS NOT NULL) AND (a = 'c'::text) AND (b IS NOT NULL) AND (b >= 1) AND (b < 10))
|
|
|
|
-- Show partition count in the parent's describe output
|
|
-- Tempted to include \d+ output listing partitions with bound info but
|
|
-- output could vary depending on the order in which partition oids are
|
|
-- returned.
|
|
\d parted
|
|
Partitioned table "public.parted"
|
|
Column | Type | Collation | Nullable | Default
|
|
--------+---------+-----------+----------+---------
|
|
a | text | | |
|
|
b | integer | | not null | 0
|
|
Partition key: LIST (a)
|
|
Number of partitions: 3 (Use \d+ to list them.)
|
|
|
|
\d hash_parted
|
|
Partitioned table "public.hash_parted"
|
|
Column | Type | Collation | Nullable | Default
|
|
--------+---------+-----------+----------+---------
|
|
a | integer | | |
|
|
Partition key: HASH (a)
|
|
Number of partitions: 4 (Use \d+ to list them.)
|
|
|
|
-- check that we get the expected partition constraints
|
|
CREATE TABLE range_parted4 (a int, b int, c int) PARTITION BY RANGE (abs(a), abs(b), c);
|
|
CREATE TABLE unbounded_range_part PARTITION OF range_parted4 FOR VALUES FROM (MINVALUE, MINVALUE, MINVALUE) TO (MAXVALUE, MAXVALUE, MAXVALUE);
|
|
\d+ unbounded_range_part
|
|
Table "public.unbounded_range_part"
|
|
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
|
|
--------+---------+-----------+----------+---------+---------+--------------+-------------
|
|
a | integer | | | | plain | |
|
|
b | integer | | | | plain | |
|
|
c | integer | | | | plain | |
|
|
Partition of: range_parted4 FOR VALUES FROM (MINVALUE, MINVALUE, MINVALUE) TO (MAXVALUE, MAXVALUE, MAXVALUE)
|
|
Partition constraint: ((abs(a) IS NOT NULL) AND (abs(b) IS NOT NULL) AND (c IS NOT NULL))
|
|
|
|
DROP TABLE unbounded_range_part;
|
|
CREATE TABLE range_parted4_1 PARTITION OF range_parted4 FOR VALUES FROM (MINVALUE, MINVALUE, MINVALUE) TO (1, MAXVALUE, MAXVALUE);
|
|
\d+ range_parted4_1
|
|
Table "public.range_parted4_1"
|
|
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
|
|
--------+---------+-----------+----------+---------+---------+--------------+-------------
|
|
a | integer | | | | plain | |
|
|
b | integer | | | | plain | |
|
|
c | integer | | | | plain | |
|
|
Partition of: range_parted4 FOR VALUES FROM (MINVALUE, MINVALUE, MINVALUE) TO (1, MAXVALUE, MAXVALUE)
|
|
Partition constraint: ((abs(a) IS NOT NULL) AND (abs(b) IS NOT NULL) AND (c IS NOT NULL) AND (abs(a) <= 1))
|
|
|
|
CREATE TABLE range_parted4_2 PARTITION OF range_parted4 FOR VALUES FROM (3, 4, 5) TO (6, 7, MAXVALUE);
|
|
\d+ range_parted4_2
|
|
Table "public.range_parted4_2"
|
|
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
|
|
--------+---------+-----------+----------+---------+---------+--------------+-------------
|
|
a | integer | | | | plain | |
|
|
b | integer | | | | plain | |
|
|
c | integer | | | | plain | |
|
|
Partition of: range_parted4 FOR VALUES FROM (3, 4, 5) TO (6, 7, MAXVALUE)
|
|
Partition constraint: ((abs(a) IS NOT NULL) AND (abs(b) IS NOT NULL) AND (c IS NOT NULL) AND ((abs(a) > 3) OR ((abs(a) = 3) AND (abs(b) > 4)) OR ((abs(a) = 3) AND (abs(b) = 4) AND (c >= 5))) AND ((abs(a) < 6) OR ((abs(a) = 6) AND (abs(b) <= 7))))
|
|
|
|
CREATE TABLE range_parted4_3 PARTITION OF range_parted4 FOR VALUES FROM (6, 8, MINVALUE) TO (9, MAXVALUE, MAXVALUE);
|
|
\d+ range_parted4_3
|
|
Table "public.range_parted4_3"
|
|
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
|
|
--------+---------+-----------+----------+---------+---------+--------------+-------------
|
|
a | integer | | | | plain | |
|
|
b | integer | | | | plain | |
|
|
c | integer | | | | plain | |
|
|
Partition of: range_parted4 FOR VALUES FROM (6, 8, MINVALUE) TO (9, MAXVALUE, MAXVALUE)
|
|
Partition constraint: ((abs(a) IS NOT NULL) AND (abs(b) IS NOT NULL) AND (c IS NOT NULL) AND ((abs(a) > 6) OR ((abs(a) = 6) AND (abs(b) >= 8))) AND (abs(a) <= 9))
|
|
|
|
DROP TABLE range_parted4;
|
|
-- user-defined operator class in partition key
|
|
CREATE FUNCTION my_int4_sort(int4,int4) RETURNS int LANGUAGE sql
|
|
AS $$ SELECT CASE WHEN $1 = $2 THEN 0 WHEN $1 > $2 THEN 1 ELSE -1 END; $$;
|
|
CREATE OPERATOR CLASS test_int4_ops FOR TYPE int4 USING btree AS
|
|
OPERATOR 1 < (int4,int4), OPERATOR 2 <= (int4,int4),
|
|
OPERATOR 3 = (int4,int4), OPERATOR 4 >= (int4,int4),
|
|
OPERATOR 5 > (int4,int4), FUNCTION 1 my_int4_sort(int4,int4);
|
|
CREATE TABLE partkey_t (a int4) PARTITION BY RANGE (a test_int4_ops);
|
|
CREATE TABLE partkey_t_1 PARTITION OF partkey_t FOR VALUES FROM (0) TO (1000);
|
|
INSERT INTO partkey_t VALUES (100);
|
|
INSERT INTO partkey_t VALUES (200);
|
|
-- cleanup
|
|
DROP TABLE parted, list_parted, range_parted, list_parted2, range_parted2, range_parted3;
|
|
DROP TABLE partkey_t, hash_parted, hash_parted2;
|
|
DROP OPERATOR CLASS test_int4_ops USING btree;
|
|
DROP FUNCTION my_int4_sort(int4,int4);
|
|
-- comments on partitioned tables columns
|
|
CREATE TABLE parted_col_comment (a int, b text) PARTITION BY LIST (a);
|
|
COMMENT ON TABLE parted_col_comment IS 'Am partitioned table';
|
|
COMMENT ON COLUMN parted_col_comment.a IS 'Partition key';
|
|
SELECT obj_description('parted_col_comment'::regclass);
|
|
obj_description
|
|
----------------------
|
|
Am partitioned table
|
|
(1 row)
|
|
|
|
\d+ parted_col_comment
|
|
Partitioned table "public.parted_col_comment"
|
|
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
|
|
--------+---------+-----------+----------+---------+----------+--------------+---------------
|
|
a | integer | | | | plain | | Partition key
|
|
b | text | | | | extended | |
|
|
Partition key: LIST (a)
|
|
Number of partitions: 0
|
|
|
|
DROP TABLE parted_col_comment;
|
|
-- specifying storage parameters for partitioned tables is not supported
|
|
CREATE TABLE parted_col_comment (a int, b text) PARTITION BY LIST (a) WITH (fillfactor=100);
|
|
ERROR: cannot specify storage parameters for a partitioned table
|
|
HINT: Specify storage parameters for its leaf partitions, instead.
|
|
-- list partitioning on array type column
|
|
CREATE TABLE arrlp (a int[]) PARTITION BY LIST (a);
|
|
CREATE TABLE arrlp12 PARTITION OF arrlp FOR VALUES IN ('{1}', '{2}');
|
|
\d+ arrlp12
|
|
Table "public.arrlp12"
|
|
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
|
|
--------+-----------+-----------+----------+---------+----------+--------------+-------------
|
|
a | integer[] | | | | extended | |
|
|
Partition of: arrlp FOR VALUES IN ('{1}', '{2}')
|
|
Partition constraint: ((a IS NOT NULL) AND ((a = '{1}'::integer[]) OR (a = '{2}'::integer[])))
|
|
|
|
DROP TABLE arrlp;
|
|
-- partition on boolean column
|
|
create table boolspart (a bool) partition by list (a);
|
|
create table boolspart_t partition of boolspart for values in (true);
|
|
create table boolspart_f partition of boolspart for values in (false);
|
|
\d+ boolspart
|
|
Partitioned table "public.boolspart"
|
|
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
|
|
--------+---------+-----------+----------+---------+---------+--------------+-------------
|
|
a | boolean | | | | plain | |
|
|
Partition key: LIST (a)
|
|
Partitions: boolspart_f FOR VALUES IN (false),
|
|
boolspart_t FOR VALUES IN (true)
|
|
|
|
drop table boolspart;
|
|
-- partitions mixing temporary and permanent relations
|
|
create table perm_parted (a int) partition by list (a);
|
|
create temporary table temp_parted (a int) partition by list (a);
|
|
create table perm_part partition of temp_parted default; -- error
|
|
ERROR: cannot create a permanent relation as partition of temporary relation "temp_parted"
|
|
create temp table temp_part partition of perm_parted default; -- error
|
|
ERROR: cannot create a temporary relation as partition of permanent relation "perm_parted"
|
|
create temp table temp_part partition of temp_parted default; -- ok
|
|
drop table perm_parted cascade;
|
|
drop table temp_parted cascade;
|
|
-- check that adding partitions to a table while it is being used is prevented
|
|
create table tab_part_create (a int) partition by list (a);
|
|
create or replace function func_part_create() returns trigger
|
|
language plpgsql as $$
|
|
begin
|
|
execute 'create table tab_part_create_1 partition of tab_part_create for values in (1)';
|
|
return null;
|
|
end $$;
|
|
create trigger trig_part_create before insert on tab_part_create
|
|
for each statement execute procedure func_part_create();
|
|
insert into tab_part_create values (1);
|
|
ERROR: cannot CREATE TABLE .. PARTITION OF "tab_part_create" because it is being used by active queries in this session
|
|
CONTEXT: SQL statement "create table tab_part_create_1 partition of tab_part_create for values in (1)"
|
|
PL/pgSQL function func_part_create() line 3 at EXECUTE
|
|
drop table tab_part_create;
|
|
drop function func_part_create();
|
|
-- test using a volatile expression as partition bound
|
|
create table volatile_partbound_test (partkey timestamp) partition by range (partkey);
|
|
create table volatile_partbound_test1 partition of volatile_partbound_test for values from (minvalue) to (current_timestamp);
|
|
create table volatile_partbound_test2 partition of volatile_partbound_test for values from (current_timestamp) to (maxvalue);
|
|
-- this should go into the partition volatile_partbound_test2
|
|
insert into volatile_partbound_test values (current_timestamp);
|
|
select tableoid::regclass from volatile_partbound_test;
|
|
tableoid
|
|
--------------------------
|
|
volatile_partbound_test2
|
|
(1 row)
|
|
|
|
drop table volatile_partbound_test;
|
|
-- test the case where a check constraint on default partition allows
|
|
-- to avoid scanning it when adding a new partition
|
|
create table defcheck (a int, b int) partition by list (b);
|
|
create table defcheck_def (a int, c int, b int);
|
|
alter table defcheck_def drop c;
|
|
alter table defcheck attach partition defcheck_def default;
|
|
alter table defcheck_def add check (b <= 0 and b is not null);
|
|
create table defcheck_1 partition of defcheck for values in (1, null);
|
|
-- test that complex default partition constraints are enforced correctly
|
|
insert into defcheck_def values (0, 0);
|
|
create table defcheck_0 partition of defcheck for values in (0);
|
|
ERROR: updated partition constraint for default partition "defcheck_def" would be violated by some row
|
|
drop table defcheck;
|
|
-- tests of column drop with partition tables and indexes using
|
|
-- predicates and expressions.
|
|
create table part_column_drop (
|
|
useless_1 int,
|
|
id int,
|
|
useless_2 int,
|
|
d int,
|
|
b int,
|
|
useless_3 int
|
|
) partition by range (id);
|
|
alter table part_column_drop drop column useless_1;
|
|
alter table part_column_drop drop column useless_2;
|
|
alter table part_column_drop drop column useless_3;
|
|
create index part_column_drop_b_pred on part_column_drop(b) where b = 1;
|
|
create index part_column_drop_b_expr on part_column_drop((b = 1));
|
|
create index part_column_drop_d_pred on part_column_drop(d) where d = 2;
|
|
create index part_column_drop_d_expr on part_column_drop((d = 2));
|
|
create table part_column_drop_1_10 partition of
|
|
part_column_drop for values from (1) to (10);
|
|
\d part_column_drop
|
|
Partitioned table "public.part_column_drop"
|
|
Column | Type | Collation | Nullable | Default
|
|
--------+---------+-----------+----------+---------
|
|
id | integer | | |
|
|
d | integer | | |
|
|
b | integer | | |
|
|
Partition key: RANGE (id)
|
|
Indexes:
|
|
"part_column_drop_b_expr" btree ((b = 1))
|
|
"part_column_drop_b_pred" btree (b) WHERE b = 1
|
|
"part_column_drop_d_expr" btree ((d = 2))
|
|
"part_column_drop_d_pred" btree (d) WHERE d = 2
|
|
Number of partitions: 1 (Use \d+ to list them.)
|
|
|
|
\d part_column_drop_1_10
|
|
Table "public.part_column_drop_1_10"
|
|
Column | Type | Collation | Nullable | Default
|
|
--------+---------+-----------+----------+---------
|
|
id | integer | | |
|
|
d | integer | | |
|
|
b | integer | | |
|
|
Partition of: part_column_drop FOR VALUES FROM (1) TO (10)
|
|
Indexes:
|
|
"part_column_drop_1_10_b_idx" btree (b) WHERE b = 1
|
|
"part_column_drop_1_10_d_idx" btree (d) WHERE d = 2
|
|
"part_column_drop_1_10_expr_idx" btree ((b = 1))
|
|
"part_column_drop_1_10_expr_idx1" btree ((d = 2))
|
|
|
|
drop table part_column_drop;
|