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Diffstat (limited to 'src/test/regress/sql/create_table.sql')
| -rw-r--r-- | src/test/regress/sql/create_table.sql | 738 |
1 files changed, 738 insertions, 0 deletions
diff --git a/src/test/regress/sql/create_table.sql b/src/test/regress/sql/create_table.sql new file mode 100644 index 0000000..93ccf77 --- /dev/null +++ b/src/test/regress/sql/create_table.sql @@ -0,0 +1,738 @@ +-- +-- 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 + +-- unsupported constraint type for partitioned tables +CREATE TABLE partitioned ( + a int, + EXCLUDE USING gist (a WITH &&) +) PARTITION BY RANGE (a); + +-- 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 conislocal, coninhcount FROM pg_constraint WHERE conrelid = 'part_b'::regclass ORDER BY conislocal, coninhcount; + +-- 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 conislocal, coninhcount FROM pg_constraint WHERE conrelid = 'part_b'::regclass; + +-- 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 conislocal, coninhcount FROM pg_constraint WHERE conrelid = 'part_b'::regclass; + +-- 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; |