-- -- CREATE_TABLE -- -- Error cases CREATE TABLE unknowntab ( u unknown -- fail ); CREATE TYPE unknown_comptype AS ( u unknown -- fail ); -- invalid: non-lowercase quoted reloptions identifiers CREATE TABLE tas_case WITH ("Fillfactor" = 10) AS SELECT 1 a; CREATE UNLOGGED TABLE unlogged1 (a int primary key); -- OK CREATE TEMPORARY TABLE unlogged2 (a int primary key); -- OK SELECT relname, relkind, relpersistence FROM pg_class WHERE relname ~ '^unlogged\d' ORDER BY relname; REINDEX INDEX unlogged1_pkey; REINDEX INDEX unlogged2_pkey; SELECT relname, relkind, relpersistence FROM pg_class WHERE relname ~ '^unlogged\d' ORDER BY relname; DROP TABLE unlogged2; INSERT INTO unlogged1 VALUES (42); CREATE UNLOGGED TABLE public.unlogged2 (a int primary key); -- also OK CREATE UNLOGGED TABLE pg_temp.unlogged3 (a int primary key); -- not OK CREATE TABLE pg_temp.implicitly_temp (a int primary key); -- OK CREATE TEMP TABLE explicitly_temp (a int primary key); -- also OK CREATE TEMP TABLE pg_temp.doubly_temp (a int primary key); -- also OK CREATE TEMP TABLE public.temp_to_perm (a int primary key); -- not OK DROP TABLE unlogged1, public.unlogged2; CREATE TABLE as_select1 AS SELECT * FROM pg_class WHERE relkind = 'r'; CREATE TABLE as_select1 AS SELECT * FROM pg_class WHERE relkind = 'r'; CREATE TABLE IF NOT EXISTS as_select1 AS SELECT * FROM pg_class WHERE relkind = 'r'; DROP TABLE as_select1; PREPARE select1 AS SELECT 1 as a; CREATE TABLE as_select1 AS EXECUTE select1; CREATE TABLE as_select1 AS EXECUTE select1; SELECT * FROM as_select1; CREATE TABLE IF NOT EXISTS as_select1 AS EXECUTE select1; DROP TABLE as_select1; DEALLOCATE select1; -- create an extra wide table to test for issues related to that -- (temporarily hide query, to avoid the long CREATE TABLE stmt) \set ECHO none SELECT 'CREATE TABLE extra_wide_table(firstc text, '|| array_to_string(array_agg('c'||i||' bool'),',')||', lastc text);' FROM generate_series(1, 1100) g(i) \gexec \set ECHO all INSERT INTO extra_wide_table(firstc, lastc) VALUES('first col', 'last col'); SELECT firstc, lastc FROM extra_wide_table; -- check that tables with oids cannot be created anymore CREATE TABLE withoid() WITH OIDS; CREATE TABLE withoid() WITH (oids); CREATE TABLE withoid() WITH (oids = true); -- but explicitly not adding oids is still supported CREATE TEMP TABLE withoutoid() WITHOUT OIDS; DROP TABLE withoutoid; CREATE TEMP TABLE withoutoid() WITH (oids = false); DROP TABLE withoutoid; -- check restriction with default expressions -- invalid use of column reference in default expressions CREATE TABLE default_expr_column (id int DEFAULT (id)); CREATE TABLE default_expr_column (id int DEFAULT (bar.id)); CREATE TABLE default_expr_agg_column (id int DEFAULT (avg(id))); -- invalid column definition CREATE TABLE default_expr_non_column (a int DEFAULT (avg(non_existent))); -- invalid use of aggregate CREATE TABLE default_expr_agg (a int DEFAULT (avg(1))); -- invalid use of subquery CREATE TABLE default_expr_agg (a int DEFAULT (select 1)); -- invalid use of set-returning function CREATE TABLE default_expr_agg (a int DEFAULT (generate_series(1,3))); -- Verify that subtransaction rollback restores rd_createSubid. BEGIN; CREATE TABLE remember_create_subid (c int); SAVEPOINT q; DROP TABLE remember_create_subid; ROLLBACK TO q; COMMIT; DROP TABLE remember_create_subid; -- Verify that subtransaction rollback restores rd_firstRelfilenodeSubid. CREATE TABLE remember_node_subid (c int); BEGIN; ALTER TABLE remember_node_subid ALTER c TYPE bigint; SAVEPOINT q; DROP TABLE remember_node_subid; ROLLBACK TO q; COMMIT; DROP TABLE remember_node_subid; -- -- Partitioned tables -- -- cannot combine INHERITS and PARTITION BY (although grammar allows) CREATE TABLE partitioned ( a int ) INHERITS (some_table) PARTITION BY LIST (a); -- cannot use more than 1 column as partition key for list partitioned table CREATE TABLE partitioned ( a1 int, a2 int ) PARTITION BY LIST (a1, a2); -- fail -- prevent using prohibited expressions in the key CREATE FUNCTION retset (a int) RETURNS SETOF int AS $$ SELECT 1; $$ LANGUAGE SQL IMMUTABLE; CREATE TABLE partitioned ( a int ) PARTITION BY RANGE (retset(a)); DROP FUNCTION retset(int); CREATE TABLE partitioned ( a int ) PARTITION BY RANGE ((avg(a))); CREATE TABLE partitioned ( a int, b int ) PARTITION BY RANGE ((avg(a) OVER (PARTITION BY b))); CREATE TABLE partitioned ( a int ) PARTITION BY LIST ((a LIKE (SELECT 1))); CREATE TABLE partitioned ( a int ) PARTITION BY RANGE ((42)); CREATE FUNCTION const_func () RETURNS int AS $$ SELECT 1; $$ LANGUAGE SQL IMMUTABLE; CREATE TABLE partitioned ( a int ) PARTITION BY RANGE (const_func()); DROP FUNCTION const_func(); -- only accept valid partitioning strategy CREATE TABLE partitioned ( a int ) PARTITION BY MAGIC (a); -- specified column must be present in the table CREATE TABLE partitioned ( a int ) PARTITION BY RANGE (b); -- cannot use system columns in partition key CREATE TABLE partitioned ( a int ) PARTITION BY RANGE (xmin); -- cannot use pseudotypes CREATE TABLE partitioned ( a int, b int ) PARTITION BY RANGE (((a, b))); CREATE TABLE partitioned ( a int, b int ) PARTITION BY RANGE (a, ('unknown')); -- functions in key must be immutable CREATE FUNCTION immut_func (a int) RETURNS int AS $$ SELECT a + random()::int; $$ LANGUAGE SQL; CREATE TABLE partitioned ( a int ) PARTITION BY RANGE (immut_func(a)); DROP FUNCTION immut_func(int); -- prevent using columns of unsupported types in key (type must have a btree operator class) CREATE TABLE partitioned ( a point ) PARTITION BY LIST (a); CREATE TABLE partitioned ( a point ) PARTITION BY LIST (a point_ops); CREATE TABLE partitioned ( a point ) PARTITION BY RANGE (a); CREATE TABLE partitioned ( a point ) PARTITION BY RANGE (a point_ops); -- cannot add NO INHERIT constraints to partitioned tables CREATE TABLE partitioned ( a int, CONSTRAINT check_a CHECK (a > 0) NO INHERIT ) PARTITION BY RANGE (a); -- some checks after successful creation of a partitioned table CREATE FUNCTION plusone(a int) RETURNS INT AS $$ SELECT a+1; $$ LANGUAGE SQL; CREATE TABLE partitioned ( a int, b int, c text, d text ) PARTITION BY RANGE (a oid_ops, plusone(b), c collate "default", d collate "C"); -- check relkind SELECT relkind FROM pg_class WHERE relname = 'partitioned'; -- prevent a function referenced in partition key from being dropped DROP FUNCTION plusone(int); -- partitioned table cannot participate in regular inheritance CREATE TABLE partitioned2 ( a int, b text ) PARTITION BY RANGE ((a+1), substr(b, 1, 5)); CREATE TABLE fail () INHERITS (partitioned2); -- Partition key in describe output \d partitioned \d+ partitioned2 INSERT INTO partitioned2 VALUES (1, 'hello'); CREATE TABLE part2_1 PARTITION OF partitioned2 FOR VALUES FROM (-1, 'aaaaa') TO (100, 'ccccc'); \d+ part2_1 DROP TABLE partitioned, partitioned2; -- check reference to partitioned table's rowtype in partition descriptor create table partitioned (a int, b int) partition by list ((row(a, b)::partitioned)); create table partitioned1 partition of partitioned for values in ('(1,2)'::partitioned); create table partitioned2 partition of partitioned for values in ('(2,4)'::partitioned); explain (costs off) select * from partitioned where row(a,b)::partitioned = '(1,2)'::partitioned; drop table partitioned; -- whole-row Var in partition key works too create table partitioned (a int, b int) partition by list ((partitioned)); create table partitioned1 partition of partitioned for values in ('(1,2)'); create table partitioned2 partition of partitioned for values in ('(2,4)'); explain (costs off) select * from partitioned where partitioned = '(1,2)'::partitioned; \d+ partitioned1 drop table partitioned; -- check that dependencies of partition columns are handled correctly create domain intdom1 as int; create table partitioned ( a intdom1, b text ) partition by range (a); alter table partitioned drop column a; -- fail drop domain intdom1; -- fail, requires cascade drop domain intdom1 cascade; table partitioned; -- gone -- likewise for columns used in partition expressions create domain intdom1 as int; create table partitioned ( a intdom1, b text ) partition by range (plusone(a)); alter table partitioned drop column a; -- fail drop domain intdom1; -- fail, requires cascade drop domain intdom1 cascade; table partitioned; -- gone -- -- Partitions -- -- check partition bound syntax CREATE TABLE list_parted ( a int ) PARTITION BY LIST (a); CREATE TABLE part_p1 PARTITION OF list_parted FOR VALUES IN ('1'); CREATE TABLE part_p2 PARTITION OF list_parted FOR VALUES IN (2); CREATE TABLE part_p3 PARTITION OF list_parted FOR VALUES IN ((2+1)); CREATE TABLE part_null PARTITION OF list_parted FOR VALUES IN (null); \d+ list_parted -- forbidden expressions for partition bound with list partitioned table CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (somename); CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (somename.somename); CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (a); CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (sum(a)); CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (sum(somename)); CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (sum(1)); CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN ((select 1)); CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (generate_series(4, 6)); CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN ((1+1) collate "POSIX"); -- syntax does not allow empty list of values for list partitions CREATE 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); -- 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); -- 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; -- 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); 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'); 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'); CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted 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'); CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted 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'); CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted 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'); CREATE TABLE part_bogus_expr_fail PARTITION OF range_parted 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'); -- 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); -- 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'); CREATE TABLE fail_part PARTITION OF range_parted FOR VALUES FROM ('a') TO ('z', 1); -- cannot specify null values in range bounds CREATE TABLE fail_part PARTITION OF range_parted FOR VALUES FROM (null) TO (maxvalue); -- 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); -- 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); -- 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); -- overlapping remainders CREATE TABLE fail_part PARTITION OF hash_parted FOR VALUES WITH (MODULUS 100, REMAINDER 3); -- trying to specify range for the hash partitioned table CREATE TABLE fail_part PARTITION OF hash_parted FOR VALUES FROM ('a', 1) TO ('z'); -- trying to specify list value for the hash partitioned table CREATE TABLE 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; -- 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'); CREATE TABLE fail_part PARTITION OF unparted FOR VALUES WITH (MODULUS 2, REMAINDER 1); 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'); 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); CREATE TABLE fail_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'); 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); -- note that the range '[1, 1)' has no elements CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (1) TO (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); 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); CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (9) TO (maxvalue); 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); CREATE TABLE fail_part 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; -- 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); 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); 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); 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); -- 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); -- modulus must be greater than zero CREATE TABLE fail_part PARTITION OF hash_parted2 FOR VALUES WITH (MODULUS 0, REMAINDER 1); -- 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); -- 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; -- 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'); 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'); -- conislocal should be false for any merged constraints, true otherwise SELECT conname, conislocal, coninhcount FROM pg_constraint WHERE conrelid = 'part_b'::regclass ORDER BY coninhcount DESC, conname; -- 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); SELECT conname, conislocal, coninhcount FROM pg_constraint WHERE conrelid = 'part_b'::regclass ORDER BY coninhcount DESC, conname; -- Neither check_a nor check_b are droppable from part_b ALTER TABLE part_b DROP CONSTRAINT check_a; ALTER TABLE part_b DROP CONSTRAINT check_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 conname, conislocal, coninhcount FROM pg_constraint WHERE conrelid = 'part_b'::regclass ORDER BY coninhcount DESC, conname; -- specify PARTITION BY for a partition CREATE TABLE fail_part_col_not_found PARTITION 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); -- note that while b's default is overridden, a's default is preserved \d parted_notnull_inh_test1 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 -- Both partition bound and partition key in describe output \d+ part_c -- a level-2 partition's constraint will include the parent's expressions \d+ part_c_1_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 \d hash_parted -- 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 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 CREATE TABLE range_parted4_2 PARTITION OF range_parted4 FOR VALUES FROM (3, 4, 5) TO (6, 7, MAXVALUE); \d+ range_parted4_2 CREATE TABLE range_parted4_3 PARTITION OF range_parted4 FOR VALUES FROM (6, 8, MINVALUE) TO (9, MAXVALUE, MAXVALUE); \d+ range_parted4_3 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); \d+ parted_col_comment 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); -- 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 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 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 create temp table temp_part partition of perm_parted default; -- error 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); 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; 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); 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 \d part_column_drop_1_10 drop table part_column_drop;