postgresql/src/test/regress/expected/create_table.out

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--
-- CREATE_TABLE
--
--
-- CLASS DEFINITIONS
--
CREATE TABLE hobbies_r (
name text,
person text
);
CREATE TABLE equipment_r (
name text,
hobby text
);
CREATE TABLE onek (
unique1 int4,
unique2 int4,
two int4,
four int4,
ten int4,
twenty int4,
hundred int4,
thousand int4,
twothousand int4,
fivethous int4,
tenthous int4,
odd int4,
even int4,
stringu1 name,
stringu2 name,
string4 name
);
CREATE TABLE tenk1 (
unique1 int4,
unique2 int4,
two int4,
four int4,
ten int4,
twenty int4,
hundred int4,
thousand int4,
twothousand int4,
fivethous int4,
tenthous int4,
odd int4,
even int4,
stringu1 name,
stringu2 name,
string4 name
);
CREATE TABLE tenk2 (
unique1 int4,
unique2 int4,
two int4,
four int4,
ten int4,
twenty int4,
hundred int4,
thousand int4,
twothousand int4,
fivethous int4,
tenthous int4,
odd int4,
even int4,
stringu1 name,
stringu2 name,
string4 name
);
CREATE TABLE person (
name text,
age int4,
location point
);
CREATE TABLE emp (
salary int4,
manager name
) INHERITS (person);
CREATE TABLE student (
gpa float8
) INHERITS (person);
CREATE TABLE stud_emp (
percent int4
) INHERITS (emp, student);
NOTICE: merging multiple inherited definitions of column "name"
NOTICE: merging multiple inherited definitions of column "age"
NOTICE: merging multiple inherited definitions of column "location"
CREATE TABLE city (
name name,
location box,
budget city_budget
);
CREATE TABLE dept (
dname name,
mgrname text
);
CREATE TABLE slow_emp4000 (
home_base box
);
CREATE TABLE fast_emp4000 (
home_base box
);
CREATE TABLE road (
name text,
thepath path
);
CREATE TABLE ihighway () INHERITS (road);
CREATE TABLE shighway (
surface text
) INHERITS (road);
CREATE TABLE real_city (
pop int4,
cname text,
outline path
);
--
-- test the "star" operators a bit more thoroughly -- this time,
-- throw in lots of NULL fields...
--
-- a is the type root
-- b and c inherit from a (one-level single inheritance)
-- d inherits from b and c (two-level multiple inheritance)
-- e inherits from c (two-level single inheritance)
-- f inherits from e (three-level single inheritance)
--
CREATE TABLE a_star (
class char,
a int4
);
CREATE TABLE b_star (
b text
) INHERITS (a_star);
CREATE TABLE c_star (
c name
) INHERITS (a_star);
CREATE TABLE d_star (
d float8
) INHERITS (b_star, c_star);
NOTICE: merging multiple inherited definitions of column "class"
NOTICE: merging multiple inherited definitions of column "a"
CREATE TABLE e_star (
e int2
) INHERITS (c_star);
CREATE TABLE f_star (
f polygon
) INHERITS (e_star);
CREATE TABLE aggtest (
a int2,
b float4
);
CREATE TABLE hash_i4_heap (
seqno int4,
random int4
);
CREATE TABLE hash_name_heap (
seqno int4,
random name
);
CREATE TABLE hash_txt_heap (
seqno int4,
random text
);
CREATE TABLE hash_f8_heap (
seqno int4,
random float8
);
-- don't include the hash_ovfl_heap stuff in the distribution
-- the data set is too large for what it's worth
--
-- CREATE TABLE hash_ovfl_heap (
-- x int4,
-- y int4
-- );
CREATE TABLE bt_i4_heap (
seqno int4,
random int4
);
CREATE TABLE bt_name_heap (
seqno name,
random int4
);
CREATE TABLE bt_txt_heap (
seqno text,
random int4
);
CREATE TABLE bt_f8_heap (
seqno float8,
random int4
);
CREATE TABLE array_op_test (
seqno int4,
i int4[],
t text[]
);
CREATE TABLE array_index_op_test (
seqno int4,
i int4[],
t text[]
);
CREATE TABLE testjsonb (
j jsonb
);
CREATE TABLE unknowntab (
u unknown -- fail
);
ERROR: column "u" has pseudo-type unknown
CREATE TYPE unknown_comptype AS (
u unknown -- fail
);
ERROR: column "u" has pseudo-type unknown
CREATE TABLE IF NOT EXISTS test_tsvector(
t text,
a tsvector
);
CREATE TABLE IF NOT EXISTS test_tsvector(
t text
);
NOTICE: relation "test_tsvector" already exists, skipping
-- invalid: non-lowercase quoted reloptions identifiers
CREATE TABLE tas_case WITH ("Fillfactor" = 10) AS SELECT 1 a;
ERROR: unrecognized parameter "Fillfactor"
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;
relname | relkind | relpersistence
----------------+---------+----------------
unlogged1 | r | u
unlogged1_pkey | i | u
unlogged2 | r | t
unlogged2_pkey | i | t
(4 rows)
REINDEX INDEX unlogged1_pkey;
REINDEX INDEX unlogged2_pkey;
SELECT relname, relkind, relpersistence FROM pg_class WHERE relname ~ '^unlogged\d' ORDER BY relname;
relname | relkind | relpersistence
----------------+---------+----------------
unlogged1 | r | u
unlogged1_pkey | i | u
unlogged2 | r | t
unlogged2_pkey | i | t
(4 rows)
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
ERROR: only temporary relations may be created in temporary schemas
LINE 1: CREATE UNLOGGED TABLE pg_temp.unlogged3 (a int primary key);
^
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
ERROR: cannot create temporary relation in non-temporary schema
LINE 1: CREATE TEMP TABLE public.temp_to_perm (a int primary key);
^
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';
ERROR: relation "as_select1" already exists
CREATE TABLE IF NOT EXISTS as_select1 AS SELECT * FROM pg_class WHERE relkind = 'r';
NOTICE: relation "as_select1" already exists, skipping
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;
ERROR: relation "as_select1" already exists
SELECT * FROM as_select1;
a
---
1
(1 row)
CREATE TABLE IF NOT EXISTS as_select1 AS EXECUTE select1;
NOTICE: relation "as_select1" already exists, skipping
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
INSERT INTO extra_wide_table(firstc, lastc) VALUES('first col', 'last col');
SELECT firstc, lastc FROM extra_wide_table;
firstc | lastc
-----------+----------
first col | last col
(1 row)
-- check that tables with oids cannot be created anymore
CREATE TABLE withoid() WITH OIDS;
ERROR: syntax error at or near "OIDS"
LINE 1: CREATE TABLE withoid() WITH OIDS;
^
CREATE TABLE withoid() WITH (oids);
ERROR: tables declared WITH OIDS are not supported
CREATE TABLE withoid() WITH (oids = true);
ERROR: tables declared WITH OIDS are not supported
-- 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));
ERROR: cannot use column reference in DEFAULT expression
LINE 1: CREATE TABLE default_expr_column (id int DEFAULT (id));
^
CREATE TABLE default_expr_column (id int DEFAULT (bar.id));
ERROR: cannot use column reference in DEFAULT expression
LINE 1: CREATE TABLE default_expr_column (id int DEFAULT (bar.id));
^
CREATE TABLE default_expr_agg_column (id int DEFAULT (avg(id)));
ERROR: cannot use column reference in DEFAULT expression
LINE 1: ...TE 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)));
ERROR: cannot use column reference in DEFAULT expression
LINE 1: ...TABLE default_expr_non_column (a int DEFAULT (avg(non_existe...
^
-- invalid use of aggregate
CREATE TABLE default_expr_agg (a int DEFAULT (avg(1)));
ERROR: aggregate functions are not allowed in DEFAULT expressions
LINE 1: CREATE TABLE default_expr_agg (a int DEFAULT (avg(1)));
^
-- invalid use of subquery
CREATE TABLE default_expr_agg (a int DEFAULT (select 1));
ERROR: cannot use subquery in DEFAULT expression
LINE 1: 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)));
ERROR: set-returning functions are not allowed in DEFAULT expressions
LINE 1: CREATE TABLE default_expr_agg (a int DEFAULT (generate_serie...
^
--
-- Partitioned tables
--
-- cannot combine INHERITS and PARTITION BY (although grammar allows)
CREATE TABLE partitioned (
a int
) INHERITS (some_table) PARTITION BY LIST (a);
ERROR: cannot create partitioned table as inheritance child
-- 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
ERROR: cannot use "list" partition strategy with more than one column
-- unsupported constraint type for partitioned tables
CREATE TABLE partitioned (
a int,
EXCLUDE USING gist (a WITH &&)
) PARTITION BY RANGE (a);
ERROR: exclusion constraints are not supported on partitioned tables
LINE 3: EXCLUDE USING gist (a WITH &&)
^
-- 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));
ERROR: set-returning functions are not allowed in partition key expressions
DROP FUNCTION retset(int);
CREATE TABLE partitioned (
a int
) PARTITION BY RANGE ((avg(a)));
ERROR: aggregate functions are not allowed in partition key expressions
CREATE TABLE partitioned (
a int,
b int
) PARTITION BY RANGE ((avg(a) OVER (PARTITION BY b)));
ERROR: window functions are not allowed in partition key expressions
CREATE TABLE partitioned (
a int
) PARTITION BY LIST ((a LIKE (SELECT 1)));
ERROR: cannot use subquery in partition key expression
CREATE TABLE partitioned (
a int
) PARTITION BY RANGE (('a'));
ERROR: cannot use constant expression as partition key
CREATE FUNCTION const_func () RETURNS int AS $$ SELECT 1; $$ LANGUAGE SQL IMMUTABLE;
CREATE TABLE partitioned (
a int
) PARTITION BY RANGE (const_func());
ERROR: cannot use constant expression as partition key
DROP FUNCTION const_func();
-- only accept valid partitioning strategy
CREATE TABLE partitioned (
a int
) PARTITION BY MAGIC (a);
ERROR: unrecognized partitioning strategy "magic"
-- specified column must be present in the table
CREATE TABLE partitioned (
a int
) PARTITION BY RANGE (b);
ERROR: column "b" named in partition key does not exist
LINE 3: ) PARTITION BY RANGE (b);
^
-- cannot use system columns in partition key
CREATE TABLE partitioned (
a int
) PARTITION BY RANGE (xmin);
ERROR: cannot use system column "xmin" in partition key
LINE 3: ) PARTITION BY RANGE (xmin);
^
-- 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));
ERROR: functions in partition key expression must be marked IMMUTABLE
DROP FUNCTION immut_func(int);
-- cannot contain whole-row references
CREATE TABLE partitioned (
a int
) PARTITION BY RANGE ((partitioned));
ERROR: partition key expressions cannot contain whole-row references
-- prevent using columns of unsupported types in key (type must have a btree operator class)
CREATE TABLE partitioned (
a point
) PARTITION BY LIST (a);
ERROR: data type point has no default operator class for access method "btree"
HINT: You must specify a btree operator class or define a default btree operator class for the data type.
CREATE TABLE partitioned (
a point
) PARTITION BY LIST (a point_ops);
ERROR: operator class "point_ops" does not exist for access method "btree"
CREATE TABLE partitioned (
a point
) PARTITION BY RANGE (a);
ERROR: data type point has no default operator class for access method "btree"
HINT: You must specify a btree operator class or define a default btree operator class for the data type.
CREATE TABLE partitioned (
a point
) PARTITION BY RANGE (a point_ops);
ERROR: operator class "point_ops" does not exist for access method "btree"
-- 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);
ERROR: cannot add NO INHERIT constraint to partitioned table "partitioned"
-- 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';
relkind
---------
p
(1 row)
-- prevent a function referenced in partition key from being dropped
DROP FUNCTION plusone(int);
ERROR: cannot drop function plusone(integer) because other objects depend on it
DETAIL: table partitioned depends on function plusone(integer)
HINT: Use DROP ... CASCADE to drop the dependent objects too.
-- 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);
ERROR: cannot inherit from partitioned table "partitioned2"
-- Partition key in describe output
\d partitioned
Partitioned table "public.partitioned"
Column | Type | Collation | Nullable | Default
--------+---------+-----------+----------+---------
a | integer | | |
b | integer | | |
c | text | | |
d | text | | |
Partition key: RANGE (a oid_ops, plusone(b), c, d COLLATE "C")
Number of partitions: 0
\d+ partitioned2
Partitioned table "public.partitioned2"
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
--------+---------+-----------+----------+---------+----------+--------------+-------------
a | integer | | | | plain | |
b | text | | | | extended | |
Partition key: RANGE (((a + 1)), substr(b, 1, 5))
Number of partitions: 0
INSERT INTO partitioned2 VALUES (1, 'hello');
ERROR: no partition of relation "partitioned2" found for row
DETAIL: Partition key of the failing row contains ((a + 1), substr(b, 1, 5)) = (2, hello).
CREATE TABLE part2_1 PARTITION OF partitioned2 FOR VALUES FROM (-1, 'aaaaa') TO (100, 'ccccc');
\d+ part2_1
Table "public.part2_1"
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
--------+---------+-----------+----------+---------+----------+--------------+-------------
a | integer | | | | plain | |
b | text | | | | extended | |
Partition of: partitioned2 FOR VALUES FROM ('-1', 'aaaaa') TO (100, 'ccccc')
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))))
DROP TABLE partitioned, partitioned2;
-- 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
ERROR: cannot drop column "a" because it is part of the partition key of relation "partitioned"
drop domain intdom1; -- fail, requires cascade
ERROR: cannot drop type intdom1 because other objects depend on it
DETAIL: table partitioned depends on type intdom1
HINT: Use DROP ... CASCADE to drop the dependent objects too.
drop domain intdom1 cascade;
NOTICE: drop cascades to table partitioned
table partitioned; -- gone
ERROR: relation "partitioned" does not exist
LINE 1: table partitioned;
^
-- 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
ERROR: cannot drop column "a" because it is part of the partition key of relation "partitioned"
drop domain intdom1; -- fail, requires cascade
ERROR: cannot drop type intdom1 because other objects depend on it
DETAIL: table partitioned depends on type intdom1
HINT: Use DROP ... CASCADE to drop the dependent objects too.
drop domain intdom1 cascade;
NOTICE: drop cascades to table partitioned
table partitioned; -- gone
ERROR: relation "partitioned" does not exist
LINE 1: table partitioned;
^
--
-- 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
Partitioned table "public.list_parted"
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
--------+---------+-----------+----------+---------+---------+--------------+-------------
a | integer | | | | plain | |
Partition key: LIST (a)
Partitions: part_null FOR VALUES IN (NULL),
part_p1 FOR VALUES IN (1),
part_p2 FOR VALUES IN (2),
part_p3 FOR VALUES IN (3)
-- forbidden expressions for partition bound with list partitioned table
CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (somename);
ERROR: cannot use column reference in partition bound expression
LINE 1: ...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);
ERROR: cannot use column reference in partition bound expression
LINE 1: ...expr_fail PARTITION OF list_parted FOR VALUES IN (somename.s...
^
CREATE TABLE part_bogus_expr_fail PARTITION OF list_parted FOR VALUES IN (a);
ERROR: cannot use column reference in partition bound expression
LINE 1: ..._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));
ERROR: cannot use column reference in partition bound expression
LINE 1: ...s_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));
ERROR: cannot use column reference in partition bound expression
LINE 1: ..._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));
ERROR: aggregate functions are not allowed in partition bound
LINE 1: ...s_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));
ERROR: cannot use subquery in partition bound
LINE 1: ...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));
ERROR: set-returning functions are not allowed in partition bound
LINE 1: ...expr_fail PARTITION OF list_parted FOR VALUES IN (generate_s...
^
-- 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"
-- 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"
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);
-- modulus 25 is factor of modulus of 50 but 10 is not 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
-- previous modulus 50 is factor of 150 but this modulus is not 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
-- 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"
CREATE TABLE fail_part PARTITION OF list_parted2 FOR VALUES IN ('b', 'c');
ERROR: partition "fail_part" would overlap partition "part_ab"
-- 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"
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"
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"
CREATE TABLE part1 PARTITION OF range_parted2 FOR VALUES FROM (1) TO (10);
CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (9) TO (maxvalue);
ERROR: partition "fail_part" would overlap partition "part1"
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"
CREATE TABLE fail_part PARTITION OF range_parted2 FOR VALUES FROM (10) TO (50);
ERROR: partition "fail_part" would overlap partition "part2"
-- 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"
-- 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"
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"
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"
-- 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"
-- 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 a positive integer
-- 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" violates not-null constraint
DETAIL: Failing row contains (1, null).
-- note that while b's default is overriden, 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 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 specifying incompatible collations for partition bound
-- expressions fails promptly
create table test_part_coll_posix (a text) partition by range (a collate "POSIX");
-- fail
create table test_part_coll partition of test_part_coll_posix for values from ('a' collate "C") to ('g');
ERROR: collation of partition bound value for column "a" does not match partition key collation "POSIX"
LINE 1: ...artition of test_part_coll_posix for values from ('a' collat...
^
-- ok
create table test_part_coll partition of test_part_coll_posix for values from ('a' collate "POSIX") to ('g');
-- ok
create table test_part_coll2 partition of test_part_coll_posix for values from ('g') to ('m');
-- using a cast expression uses the target type's default collation
-- fail
create table test_part_coll_cast partition of test_part_coll_posix for values from (name 'm' collate "C") to ('s');
ERROR: collation of partition bound value for column "a" does not match partition key collation "POSIX"
LINE 1: ...ion of test_part_coll_posix for values from (name 'm' collat...
^
-- ok
create table test_part_coll_cast partition of test_part_coll_posix for values from (name 'm' collate "POSIX") 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: 3 (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;
-- 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;