-- -- ARRAYS -- -- directory paths are passed to us in environment variables \getenv abs_srcdir PG_ABS_SRCDIR CREATE TABLE arrtest ( a int2[], b int4[][][], c name[], d text[][], e float8[], f char(5)[], g varchar(5)[] ); CREATE TABLE array_op_test ( seqno int4, i int4[], t text[] ); \set filename :abs_srcdir '/data/array.data' COPY array_op_test FROM :'filename'; ANALYZE array_op_test; -- -- only the 'e' array is 0-based, the others are 1-based. -- INSERT INTO arrtest (a[1:5], b[1:1][1:2][1:2], c, d, f, g) VALUES ('{1,2,3,4,5}', '{{{0,0},{1,2}}}', '{}', '{}', '{}', '{}'); UPDATE arrtest SET e[0] = '1.1'; UPDATE arrtest SET e[1] = '2.2'; INSERT INTO arrtest (f) VALUES ('{"too long"}'); INSERT INTO arrtest (a, b[1:2][1:2], c, d, e, f, g) VALUES ('{11,12,23}', '{{3,4},{4,5}}', '{"foobar"}', '{{"elt1", "elt2"}}', '{"3.4", "6.7"}', '{"abc","abcde"}', '{"abc","abcde"}'); INSERT INTO arrtest (a, b[1:2], c, d[1:2]) VALUES ('{}', '{3,4}', '{foo,bar}', '{bar,foo}'); INSERT INTO arrtest (b[2]) VALUES(now()); -- error, type mismatch INSERT INTO arrtest (b[1:2]) VALUES(now()); -- error, type mismatch SELECT * FROM arrtest; SELECT arrtest.a[1], arrtest.b[1][1][1], arrtest.c[1], arrtest.d[1][1], arrtest.e[0] FROM arrtest; SELECT a[1], b[1][1][1], c[1], d[1][1], e[0] FROM arrtest; SELECT a[1:3], b[1:1][1:2][1:2], c[1:2], d[1:1][1:2] FROM arrtest; SELECT array_ndims(a) AS a,array_ndims(b) AS b,array_ndims(c) AS c FROM arrtest; SELECT array_dims(a) AS a,array_dims(b) AS b,array_dims(c) AS c FROM arrtest; -- returns nothing SELECT * FROM arrtest WHERE a[1] < 5 and c = '{"foobar"}'::_name; UPDATE arrtest SET a[1:2] = '{16,25}' WHERE NOT a = '{}'::_int2; UPDATE arrtest SET b[1:1][1:1][1:2] = '{113, 117}', b[1:1][1:2][2:2] = '{142, 147}' WHERE array_dims(b) = '[1:1][1:2][1:2]'; UPDATE arrtest SET c[2:2] = '{"new_word"}' WHERE array_dims(c) is not null; SELECT a,b,c FROM arrtest; SELECT a[1:3], b[1:1][1:2][1:2], c[1:2], d[1:1][2:2] FROM arrtest; SELECT b[1:1][2][2], d[1:1][2] FROM arrtest; INSERT INTO arrtest(a) VALUES('{1,null,3}'); SELECT a FROM arrtest; UPDATE arrtest SET a[4] = NULL WHERE a[2] IS NULL; SELECT a FROM arrtest WHERE a[2] IS NULL; DELETE FROM arrtest WHERE a[2] IS NULL AND b IS NULL; SELECT a,b,c FROM arrtest; -- test non-error-throwing API SELECT pg_input_is_valid('{1,2,3}', 'integer[]'); SELECT pg_input_is_valid('{1,2', 'integer[]'); SELECT pg_input_is_valid('{1,zed}', 'integer[]'); SELECT * FROM pg_input_error_info('{1,zed}', 'integer[]'); -- test mixed slice/scalar subscripting select '{{1,2,3},{4,5,6},{7,8,9}}'::int[]; select ('{{1,2,3},{4,5,6},{7,8,9}}'::int[])[1:2][2]; select '[0:2][0:2]={{1,2,3},{4,5,6},{7,8,9}}'::int[]; select ('[0:2][0:2]={{1,2,3},{4,5,6},{7,8,9}}'::int[])[1:2][2]; -- -- check subscription corner cases -- -- More subscripts than MAXDIM (6) SELECT ('{}'::int[])[1][2][3][4][5][6][7]; -- NULL index yields NULL when selecting SELECT ('{{{1},{2},{3}},{{4},{5},{6}}}'::int[])[1][NULL][1]; SELECT ('{{{1},{2},{3}},{{4},{5},{6}}}'::int[])[1][NULL:1][1]; SELECT ('{{{1},{2},{3}},{{4},{5},{6}}}'::int[])[1][1:NULL][1]; -- NULL index in assignment is an error UPDATE arrtest SET c[NULL] = '{"can''t assign"}' WHERE array_dims(c) is not null; UPDATE arrtest SET c[NULL:1] = '{"can''t assign"}' WHERE array_dims(c) is not null; UPDATE arrtest SET c[1:NULL] = '{"can''t assign"}' WHERE array_dims(c) is not null; -- Un-subscriptable type SELECT (now())[1]; -- test slices with empty lower and/or upper index CREATE TEMP TABLE arrtest_s ( a int2[], b int2[][] ); INSERT INTO arrtest_s VALUES ('{1,2,3,4,5}', '{{1,2,3}, {4,5,6}, {7,8,9}}'); INSERT INTO arrtest_s VALUES ('[0:4]={1,2,3,4,5}', '[0:2][0:2]={{1,2,3}, {4,5,6}, {7,8,9}}'); SELECT * FROM arrtest_s; SELECT a[:3], b[:2][:2] FROM arrtest_s; SELECT a[2:], b[2:][2:] FROM arrtest_s; SELECT a[:], b[:] FROM arrtest_s; -- updates UPDATE arrtest_s SET a[:3] = '{11, 12, 13}', b[:2][:2] = '{{11,12}, {14,15}}' WHERE array_lower(a,1) = 1; SELECT * FROM arrtest_s; UPDATE arrtest_s SET a[3:] = '{23, 24, 25}', b[2:][2:] = '{{25,26}, {28,29}}'; SELECT * FROM arrtest_s; UPDATE arrtest_s SET a[:] = '{11, 12, 13, 14, 15}'; SELECT * FROM arrtest_s; UPDATE arrtest_s SET a[:] = '{23, 24, 25}'; -- fail, too small INSERT INTO arrtest_s VALUES(NULL, NULL); UPDATE arrtest_s SET a[:] = '{11, 12, 13, 14, 15}'; -- fail, no good with null -- we want to work with a point_tbl that includes a null CREATE TEMP TABLE point_tbl AS SELECT * FROM public.point_tbl; INSERT INTO POINT_TBL(f1) VALUES (NULL); -- check with fixed-length-array type, such as point SELECT f1[0:1] FROM POINT_TBL; SELECT f1[0:] FROM POINT_TBL; SELECT f1[:1] FROM POINT_TBL; SELECT f1[:] FROM POINT_TBL; -- subscript assignments to fixed-width result in NULL if previous value is NULL UPDATE point_tbl SET f1[0] = 10 WHERE f1 IS NULL RETURNING *; INSERT INTO point_tbl(f1[0]) VALUES(0) RETURNING *; -- NULL assignments get ignored UPDATE point_tbl SET f1[0] = NULL WHERE f1::text = '(10,10)'::point::text RETURNING *; -- but non-NULL subscript assignments work UPDATE point_tbl SET f1[0] = -10, f1[1] = -10 WHERE f1::text = '(10,10)'::point::text RETURNING *; -- but not to expand the range UPDATE point_tbl SET f1[3] = 10 WHERE f1::text = '(-10,-10)'::point::text RETURNING *; -- -- test array extension -- CREATE TEMP TABLE arrtest1 (i int[], t text[]); insert into arrtest1 values(array[1,2,null,4], array['one','two',null,'four']); select * from arrtest1; update arrtest1 set i[2] = 22, t[2] = 'twenty-two'; select * from arrtest1; update arrtest1 set i[5] = 5, t[5] = 'five'; select * from arrtest1; update arrtest1 set i[8] = 8, t[8] = 'eight'; select * from arrtest1; update arrtest1 set i[0] = 0, t[0] = 'zero'; select * from arrtest1; update arrtest1 set i[-3] = -3, t[-3] = 'minus-three'; select * from arrtest1; update arrtest1 set i[0:2] = array[10,11,12], t[0:2] = array['ten','eleven','twelve']; select * from arrtest1; update arrtest1 set i[8:10] = array[18,null,20], t[8:10] = array['p18',null,'p20']; select * from arrtest1; update arrtest1 set i[11:12] = array[null,22], t[11:12] = array[null,'p22']; select * from arrtest1; update arrtest1 set i[15:16] = array[null,26], t[15:16] = array[null,'p26']; select * from arrtest1; update arrtest1 set i[-5:-3] = array[-15,-14,-13], t[-5:-3] = array['m15','m14','m13']; select * from arrtest1; update arrtest1 set i[-7:-6] = array[-17,null], t[-7:-6] = array['m17',null]; select * from arrtest1; update arrtest1 set i[-12:-10] = array[-22,null,-20], t[-12:-10] = array['m22',null,'m20']; select * from arrtest1; delete from arrtest1; insert into arrtest1 values(array[1,2,null,4], array['one','two',null,'four']); select * from arrtest1; update arrtest1 set i[0:5] = array[0,1,2,null,4,5], t[0:5] = array['z','p1','p2',null,'p4','p5']; select * from arrtest1; -- -- array expressions and operators -- -- table creation and INSERTs CREATE TEMP TABLE arrtest2 (i integer ARRAY[4], f float8[], n numeric[], t text[], d timestamp[]); INSERT INTO arrtest2 VALUES( ARRAY[[[113,142],[1,147]]], ARRAY[1.1,1.2,1.3]::float8[], ARRAY[1.1,1.2,1.3], ARRAY[[['aaa','aab'],['aba','abb'],['aca','acb']],[['baa','bab'],['bba','bbb'],['bca','bcb']]], ARRAY['19620326','19931223','19970117']::timestamp[] ); -- some more test data CREATE TEMP TABLE arrtest_f (f0 int, f1 text, f2 float8); insert into arrtest_f values(1,'cat1',1.21); insert into arrtest_f values(2,'cat1',1.24); insert into arrtest_f values(3,'cat1',1.18); insert into arrtest_f values(4,'cat1',1.26); insert into arrtest_f values(5,'cat1',1.15); insert into arrtest_f values(6,'cat2',1.15); insert into arrtest_f values(7,'cat2',1.26); insert into arrtest_f values(8,'cat2',1.32); insert into arrtest_f values(9,'cat2',1.30); CREATE TEMP TABLE arrtest_i (f0 int, f1 text, f2 int); insert into arrtest_i values(1,'cat1',21); insert into arrtest_i values(2,'cat1',24); insert into arrtest_i values(3,'cat1',18); insert into arrtest_i values(4,'cat1',26); insert into arrtest_i values(5,'cat1',15); insert into arrtest_i values(6,'cat2',15); insert into arrtest_i values(7,'cat2',26); insert into arrtest_i values(8,'cat2',32); insert into arrtest_i values(9,'cat2',30); -- expressions SELECT t.f[1][3][1] AS "131", t.f[2][2][1] AS "221" FROM ( SELECT ARRAY[[[111,112],[121,122],[131,132]],[[211,212],[221,122],[231,232]]] AS f ) AS t; SELECT ARRAY[[[[[['hello'],['world']]]]]]; SELECT ARRAY[ARRAY['hello'],ARRAY['world']]; SELECT ARRAY(select f2 from arrtest_f order by f2) AS "ARRAY"; -- with nulls SELECT '{1,null,3}'::int[]; SELECT ARRAY[1,NULL,3]; -- functions SELECT array_append(array[42], 6) AS "{42,6}"; SELECT array_prepend(6, array[42]) AS "{6,42}"; SELECT array_cat(ARRAY[1,2], ARRAY[3,4]) AS "{1,2,3,4}"; SELECT array_cat(ARRAY[1,2], ARRAY[[3,4],[5,6]]) AS "{{1,2},{3,4},{5,6}}"; SELECT array_cat(ARRAY[[3,4],[5,6]], ARRAY[1,2]) AS "{{3,4},{5,6},{1,2}}"; SELECT array_position(ARRAY[1,2,3,4,5], 4); SELECT array_position(ARRAY[5,3,4,2,1], 4); SELECT array_position(ARRAY[[1,2],[3,4]], 3); SELECT array_position(ARRAY['sun','mon','tue','wed','thu','fri','sat'], 'mon'); SELECT array_position(ARRAY['sun','mon','tue','wed','thu','fri','sat'], 'sat'); SELECT array_position(ARRAY['sun','mon','tue','wed','thu','fri','sat'], NULL); SELECT array_position(ARRAY['sun','mon','tue','wed','thu',NULL,'fri','sat'], NULL); SELECT array_position(ARRAY['sun','mon','tue','wed','thu',NULL,'fri','sat'], 'sat'); SELECT array_positions(NULL, 10); SELECT array_positions(NULL, NULL::int); SELECT array_positions(ARRAY[1,2,3,4,5,6,1,2,3,4,5,6], 4); SELECT array_positions(ARRAY[[1,2],[3,4]], 4); SELECT array_positions(ARRAY[1,2,3,4,5,6,1,2,3,4,5,6], NULL); SELECT array_positions(ARRAY[1,2,3,NULL,5,6,1,2,3,NULL,5,6], NULL); SELECT array_length(array_positions(ARRAY(SELECT 'AAAAAAAAAAAAAAAAAAAAAAAAA'::text || i % 10 FROM generate_series(1,100) g(i)), 'AAAAAAAAAAAAAAAAAAAAAAAAA5'), 1); DO $$ DECLARE o int; a int[] := ARRAY[1,2,3,2,3,1,2]; BEGIN o := array_position(a, 2); WHILE o IS NOT NULL LOOP RAISE NOTICE '%', o; o := array_position(a, 2, o + 1); END LOOP; END $$ LANGUAGE plpgsql; SELECT array_position('[2:4]={1,2,3}'::int[], 1); SELECT array_positions('[2:4]={1,2,3}'::int[], 1); SELECT array_position(ids, (1, 1)), array_positions(ids, (1, 1)) FROM (VALUES (ARRAY[(0, 0), (1, 1)]), (ARRAY[(1, 1)]) ) AS f (ids); -- operators SELECT a FROM arrtest WHERE b = ARRAY[[[113,142],[1,147]]]; SELECT NOT ARRAY[1.1,1.2,1.3] = ARRAY[1.1,1.2,1.3] AS "FALSE"; SELECT ARRAY[1,2] || 3 AS "{1,2,3}"; SELECT 0 || ARRAY[1,2] AS "{0,1,2}"; SELECT ARRAY[1,2] || ARRAY[3,4] AS "{1,2,3,4}"; SELECT ARRAY[[['hello','world']]] || ARRAY[[['happy','birthday']]] AS "ARRAY"; SELECT ARRAY[[1,2],[3,4]] || ARRAY[5,6] AS "{{1,2},{3,4},{5,6}}"; SELECT ARRAY[0,0] || ARRAY[1,1] || ARRAY[2,2] AS "{0,0,1,1,2,2}"; SELECT 0 || ARRAY[1,2] || 3 AS "{0,1,2,3}"; SELECT ARRAY[1.1] || ARRAY[2,3,4]; SELECT array_agg(x) || array_agg(x) FROM (VALUES (ROW(1,2)), (ROW(3,4))) v(x); SELECT ROW(1,2) || array_agg(x) FROM (VALUES (ROW(3,4)), (ROW(5,6))) v(x); SELECT * FROM array_op_test WHERE i @> '{32}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i && '{32}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i @> '{17}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i && '{17}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i @> '{32,17}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i && '{32,17}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i <@ '{38,34,32,89}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i = '{}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i @> '{}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i && '{}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i <@ '{}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i = '{NULL}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i @> '{NULL}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i && '{NULL}' ORDER BY seqno; SELECT * FROM array_op_test WHERE i <@ '{NULL}' ORDER BY seqno; SELECT * FROM array_op_test WHERE t @> '{AAAAAAAA72908}' ORDER BY seqno; SELECT * FROM array_op_test WHERE t && '{AAAAAAAA72908}' ORDER BY seqno; SELECT * FROM array_op_test WHERE t @> '{AAAAAAAAAA646}' ORDER BY seqno; SELECT * FROM array_op_test WHERE t && '{AAAAAAAAAA646}' ORDER BY seqno; SELECT * FROM array_op_test WHERE t @> '{AAAAAAAA72908,AAAAAAAAAA646}' ORDER BY seqno; SELECT * FROM array_op_test WHERE t && '{AAAAAAAA72908,AAAAAAAAAA646}' ORDER BY seqno; SELECT * FROM array_op_test WHERE t <@ '{AAAAAAAA72908,AAAAAAAAAAAAAAAAAAA17075,AA88409,AAAAAAAAAAAAAAAAAA36842,AAAAAAA48038,AAAAAAAAAAAAAA10611}' ORDER BY seqno; SELECT * FROM array_op_test WHERE t = '{}' ORDER BY seqno; SELECT * FROM array_op_test WHERE t @> '{}' ORDER BY seqno; SELECT * FROM array_op_test WHERE t && '{}' ORDER BY seqno; SELECT * FROM array_op_test WHERE t <@ '{}' ORDER BY seqno; -- array casts SELECT ARRAY[1,2,3]::text[]::int[]::float8[] AS "{1,2,3}"; SELECT pg_typeof(ARRAY[1,2,3]::text[]::int[]::float8[]) AS "double precision[]"; SELECT ARRAY[['a','bc'],['def','hijk']]::text[]::varchar[] AS "{{a,bc},{def,hijk}}"; SELECT pg_typeof(ARRAY[['a','bc'],['def','hijk']]::text[]::varchar[]) AS "character varying[]"; SELECT CAST(ARRAY[[[[[['a','bb','ccc']]]]]] as text[]) as "{{{{{{a,bb,ccc}}}}}}"; SELECT NULL::text[]::int[] AS "NULL"; -- scalar op any/all (array) select 33 = any ('{1,2,3}'); select 33 = any ('{1,2,33}'); select 33 = all ('{1,2,33}'); select 33 >= all ('{1,2,33}'); -- boundary cases select null::int >= all ('{1,2,33}'); select null::int >= all ('{}'); select null::int >= any ('{}'); -- cross-datatype select 33.4 = any (array[1,2,3]); select 33.4 > all (array[1,2,3]); -- errors select 33 * any ('{1,2,3}'); select 33 * any (44); -- nulls select 33 = any (null::int[]); select null::int = any ('{1,2,3}'); select 33 = any ('{1,null,3}'); select 33 = any ('{1,null,33}'); select 33 = all (null::int[]); select null::int = all ('{1,2,3}'); select 33 = all ('{1,null,3}'); select 33 = all ('{33,null,33}'); -- nulls later in the bitmap SELECT -1 != ALL(ARRAY(SELECT NULLIF(g.i, 900) FROM generate_series(1,1000) g(i))); -- test indexes on arrays create temp table arr_tbl (f1 int[] unique); insert into arr_tbl values ('{1,2,3}'); insert into arr_tbl values ('{1,2}'); -- failure expected: insert into arr_tbl values ('{1,2,3}'); insert into arr_tbl values ('{2,3,4}'); insert into arr_tbl values ('{1,5,3}'); insert into arr_tbl values ('{1,2,10}'); set enable_seqscan to off; set enable_bitmapscan to off; select * from arr_tbl where f1 > '{1,2,3}' and f1 <= '{1,5,3}'; select * from arr_tbl where f1 >= '{1,2,3}' and f1 < '{1,5,3}'; -- test ON CONFLICT DO UPDATE with arrays create temp table arr_pk_tbl (pk int4 primary key, f1 int[]); insert into arr_pk_tbl values (1, '{1,2,3}'); insert into arr_pk_tbl values (1, '{3,4,5}') on conflict (pk) do update set f1[1] = excluded.f1[1], f1[3] = excluded.f1[3] returning pk, f1; insert into arr_pk_tbl(pk, f1[1:2]) values (1, '{6,7,8}') on conflict (pk) do update set f1[1] = excluded.f1[1], f1[2] = excluded.f1[2], f1[3] = excluded.f1[3] returning pk, f1; -- note: if above selects don't produce the expected tuple order, -- then you didn't get an indexscan plan, and something is busted. reset enable_seqscan; reset enable_bitmapscan; -- test subscript overflow detection -- The normal error message includes a platform-dependent limit, -- so suppress it to avoid needing multiple expected-files. \set VERBOSITY sqlstate insert into arr_pk_tbl values(10, '[-2147483648:-2147483647]={1,2}'); update arr_pk_tbl set f1[2147483647] = 42 where pk = 10; update arr_pk_tbl set f1[2147483646:2147483647] = array[4,2] where pk = 10; -- also exercise the expanded-array case do $$ declare a int[]; begin a := '[-2147483648:-2147483647]={1,2}'::int[]; a[2147483647] := 42; end $$; \set VERBOSITY default -- test [not] (like|ilike) (any|all) (...) select 'foo' like any (array['%a', '%o']); -- t select 'foo' like any (array['%a', '%b']); -- f select 'foo' like all (array['f%', '%o']); -- t select 'foo' like all (array['f%', '%b']); -- f select 'foo' not like any (array['%a', '%b']); -- t select 'foo' not like all (array['%a', '%o']); -- f select 'foo' ilike any (array['%A', '%O']); -- t select 'foo' ilike all (array['F%', '%O']); -- t -- -- General array parser tests -- -- none of the following should be accepted select '{{1,{2}},{2,3}}'::text[]; select '{{},{}}'::text[]; select E'{{1,2},\\{2,3}}'::text[]; select '{{"1 2" x},{3}}'::text[]; select '{}}'::text[]; select '{ }}'::text[]; select array[]; -- none of the above should be accepted -- all of the following should be accepted select '{}'::text[]; select '{{{1,2,3,4},{2,3,4,5}},{{3,4,5,6},{4,5,6,7}}}'::text[]; select '{0 second ,0 second}'::interval[]; select '{ { "," } , { 3 } }'::text[]; select ' { { " 0 second " , 0 second } }'::text[]; select '{ 0 second, @ 1 hour @ 42 minutes @ 20 seconds }'::interval[]; select array[]::text[]; select '[0:1]={1.1,2.2}'::float8[]; -- all of the above should be accepted -- tests for array aggregates CREATE TEMP TABLE arraggtest ( f1 INT[], f2 TEXT[][], f3 FLOAT[]); INSERT INTO arraggtest (f1, f2, f3) VALUES ('{1,2,3,4}','{{grey,red},{blue,blue}}','{1.6, 0.0}'); INSERT INTO arraggtest (f1, f2, f3) VALUES ('{1,2,3}','{{grey,red},{grey,blue}}','{1.6}'); SELECT max(f1), min(f1), max(f2), min(f2), max(f3), min(f3) FROM arraggtest; INSERT INTO arraggtest (f1, f2, f3) VALUES ('{3,3,2,4,5,6}','{{white,yellow},{pink,orange}}','{2.1,3.3,1.8,1.7,1.6}'); SELECT max(f1), min(f1), max(f2), min(f2), max(f3), min(f3) FROM arraggtest; INSERT INTO arraggtest (f1, f2, f3) VALUES ('{2}','{{black,red},{green,orange}}','{1.6,2.2,2.6,0.4}'); SELECT max(f1), min(f1), max(f2), min(f2), max(f3), min(f3) FROM arraggtest; INSERT INTO arraggtest (f1, f2, f3) VALUES ('{4,2,6,7,8,1}','{{red},{black},{purple},{blue},{blue}}',NULL); SELECT max(f1), min(f1), max(f2), min(f2), max(f3), min(f3) FROM arraggtest; INSERT INTO arraggtest (f1, f2, f3) VALUES ('{}','{{pink,white,blue,red,grey,orange}}','{2.1,1.87,1.4,2.2}'); SELECT max(f1), min(f1), max(f2), min(f2), max(f3), min(f3) FROM arraggtest; -- A few simple tests for arrays of composite types create type comptype as (f1 int, f2 text); create table comptable (c1 comptype, c2 comptype[]); -- XXX would like to not have to specify row() construct types here ... insert into comptable values (row(1,'foo'), array[row(2,'bar')::comptype, row(3,'baz')::comptype]); -- check that implicitly named array type _comptype isn't a problem create type _comptype as enum('fooey'); select * from comptable; select c2[2].f2 from comptable; drop type _comptype; drop table comptable; drop type comptype; create or replace function unnest1(anyarray) returns setof anyelement as $$ select $1[s] from generate_subscripts($1,1) g(s); $$ language sql immutable; create or replace function unnest2(anyarray) returns setof anyelement as $$ select $1[s1][s2] from generate_subscripts($1,1) g1(s1), generate_subscripts($1,2) g2(s2); $$ language sql immutable; select * from unnest1(array[1,2,3]); select * from unnest2(array[[1,2,3],[4,5,6]]); drop function unnest1(anyarray); drop function unnest2(anyarray); select array_fill(null::integer, array[3,3],array[2,2]); select array_fill(null::integer, array[3,3]); select array_fill(null::text, array[3,3],array[2,2]); select array_fill(null::text, array[3,3]); select array_fill(7, array[3,3],array[2,2]); select array_fill(7, array[3,3]); select array_fill('juhu'::text, array[3,3],array[2,2]); select array_fill('juhu'::text, array[3,3]); select a, a = '{}' as is_eq, array_dims(a) from (select array_fill(42, array[0]) as a) ss; select a, a = '{}' as is_eq, array_dims(a) from (select array_fill(42, '{}') as a) ss; select a, a = '{}' as is_eq, array_dims(a) from (select array_fill(42, '{}', '{}') as a) ss; -- raise exception select array_fill(1, null, array[2,2]); select array_fill(1, array[2,2], null); select array_fill(1, array[2,2], '{}'); select array_fill(1, array[3,3], array[1,1,1]); select array_fill(1, array[1,2,null]); select array_fill(1, array[[1,2],[3,4]]); select string_to_array('1|2|3', '|'); select string_to_array('1|2|3|', '|'); select string_to_array('1||2|3||', '||'); select string_to_array('1|2|3', ''); select string_to_array('', '|'); select string_to_array('1|2|3', NULL); select string_to_array(NULL, '|') IS NULL; select string_to_array('abc', ''); select string_to_array('abc', '', 'abc'); select string_to_array('abc', ','); select string_to_array('abc', ',', 'abc'); select string_to_array('1,2,3,4,,6', ','); select string_to_array('1,2,3,4,,6', ',', ''); select string_to_array('1,2,3,4,*,6', ',', '*'); select v, v is null as "is null" from string_to_table('1|2|3', '|') g(v); select v, v is null as "is null" from string_to_table('1|2|3|', '|') g(v); select v, v is null as "is null" from string_to_table('1||2|3||', '||') g(v); select v, v is null as "is null" from string_to_table('1|2|3', '') g(v); select v, v is null as "is null" from string_to_table('', '|') g(v); select v, v is null as "is null" from string_to_table('1|2|3', NULL) g(v); select v, v is null as "is null" from string_to_table(NULL, '|') g(v); select v, v is null as "is null" from string_to_table('abc', '') g(v); select v, v is null as "is null" from string_to_table('abc', '', 'abc') g(v); select v, v is null as "is null" from string_to_table('abc', ',') g(v); select v, v is null as "is null" from string_to_table('abc', ',', 'abc') g(v); select v, v is null as "is null" from string_to_table('1,2,3,4,,6', ',') g(v); select v, v is null as "is null" from string_to_table('1,2,3,4,,6', ',', '') g(v); select v, v is null as "is null" from string_to_table('1,2,3,4,*,6', ',', '*') g(v); select array_to_string(NULL::int4[], ',') IS NULL; select array_to_string('{}'::int4[], ','); select array_to_string(array[1,2,3,4,NULL,6], ','); select array_to_string(array[1,2,3,4,NULL,6], ',', '*'); select array_to_string(array[1,2,3,4,NULL,6], NULL); select array_to_string(array[1,2,3,4,NULL,6], ',', NULL); select array_to_string(string_to_array('1|2|3', '|'), '|'); select array_length(array[1,2,3], 1); select array_length(array[[1,2,3], [4,5,6]], 0); select array_length(array[[1,2,3], [4,5,6]], 1); select array_length(array[[1,2,3], [4,5,6]], 2); select array_length(array[[1,2,3], [4,5,6]], 3); select cardinality(NULL::int[]); select cardinality('{}'::int[]); select cardinality(array[1,2,3]); select cardinality('[2:4]={5,6,7}'::int[]); select cardinality('{{1,2}}'::int[]); select cardinality('{{1,2},{3,4},{5,6}}'::int[]); select cardinality('{{{1,9},{5,6}},{{2,3},{3,4}}}'::int[]); -- array_agg(anynonarray) select array_agg(unique1) from (select unique1 from tenk1 where unique1 < 15 order by unique1) ss; select array_agg(ten) from (select ten from tenk1 where unique1 < 15 order by unique1) ss; select array_agg(nullif(ten, 4)) from (select ten from tenk1 where unique1 < 15 order by unique1) ss; select array_agg(unique1) from tenk1 where unique1 < -15; -- array_agg(anyarray) select array_agg(ar) from (values ('{1,2}'::int[]), ('{3,4}'::int[])) v(ar); select array_agg(distinct ar order by ar desc) from (select array[i / 2] from generate_series(1,10) a(i)) b(ar); select array_agg(ar) from (select array_agg(array[i, i+1, i-1]) from generate_series(1,2) a(i)) b(ar); select array_agg(array[i+1.2, i+1.3, i+1.4]) from generate_series(1,3) g(i); select array_agg(array['Hello', i::text]) from generate_series(9,11) g(i); select array_agg(array[i, nullif(i, 3), i+1]) from generate_series(1,4) g(i); -- errors select array_agg('{}'::int[]) from generate_series(1,2); select array_agg(null::int[]) from generate_series(1,2); select array_agg(ar) from (values ('{1,2}'::int[]), ('{3}'::int[])) v(ar); select unnest(array[1,2,3]); select * from unnest(array[1,2,3]); select unnest(array[1,2,3,4.5]::float8[]); select unnest(array[1,2,3,4.5]::numeric[]); select unnest(array[1,2,3,null,4,null,null,5,6]); select unnest(array[1,2,3,null,4,null,null,5,6]::text[]); select abs(unnest(array[1,2,null,-3])); select array_remove(array[1,2,2,3], 2); select array_remove(array[1,2,2,3], 5); select array_remove(array[1,NULL,NULL,3], NULL); select array_remove(array['A','CC','D','C','RR'], 'RR'); select array_remove(array[1.0, 2.1, 3.3], 1); select array_remove('{{1,2,2},{1,4,3}}', 2); -- not allowed select array_remove(array['X','X','X'], 'X') = '{}'; select array_replace(array[1,2,5,4],5,3); select array_replace(array[1,2,5,4],5,NULL); select array_replace(array[1,2,NULL,4,NULL],NULL,5); select array_replace(array['A','B','DD','B'],'B','CC'); select array_replace(array[1,NULL,3],NULL,NULL); select array_replace(array['AB',NULL,'CDE'],NULL,'12'); -- array(select array-value ...) select array(select array[i,i/2] from generate_series(1,5) i); select array(select array['Hello', i::text] from generate_series(9,11) i); -- Insert/update on a column that is array of composite create temp table t1 (f1 int8_tbl[]); insert into t1 (f1[5].q1) values(42); select * from t1; update t1 set f1[5].q2 = 43; select * from t1; -- Check that arrays of composites are safely detoasted when needed create temp table src (f1 text); insert into src select string_agg(random()::text,'') from generate_series(1,10000); create type textandtext as (c1 text, c2 text); create temp table dest (f1 textandtext[]); insert into dest select array[row(f1,f1)::textandtext] from src; select length(fipshash((f1[1]).c2)) from dest; delete from src; select length(fipshash((f1[1]).c2)) from dest; truncate table src; drop table src; select length(fipshash((f1[1]).c2)) from dest; drop table dest; drop type textandtext; -- Tests for polymorphic-array form of width_bucket() -- this exercises the varwidth and float8 code paths SELECT op, width_bucket(op::numeric, ARRAY[1, 3, 5, 10.0]::numeric[]) AS wb_n1, width_bucket(op::numeric, ARRAY[0, 5.5, 9.99]::numeric[]) AS wb_n2, width_bucket(op::numeric, ARRAY[-6, -5, 2.0]::numeric[]) AS wb_n3, width_bucket(op::float8, ARRAY[1, 3, 5, 10.0]::float8[]) AS wb_f1, width_bucket(op::float8, ARRAY[0, 5.5, 9.99]::float8[]) AS wb_f2, width_bucket(op::float8, ARRAY[-6, -5, 2.0]::float8[]) AS wb_f3 FROM (VALUES (-5.2), (-0.0000000001), (0.000000000001), (1), (1.99999999999999), (2), (2.00000000000001), (3), (4), (4.5), (5), (5.5), (6), (7), (8), (9), (9.99999999999999), (10), (10.0000000000001) ) v(op); -- ensure float8 path handles NaN properly SELECT op, width_bucket(op, ARRAY[1, 3, 9, 'NaN', 'NaN']::float8[]) AS wb FROM (VALUES (-5.2::float8), (4::float8), (77::float8), ('NaN'::float8) ) v(op); -- these exercise the generic fixed-width code path SELECT op, width_bucket(op, ARRAY[1, 3, 5, 10]) AS wb_1 FROM generate_series(0,11) as op; SELECT width_bucket(now(), array['yesterday', 'today', 'tomorrow']::timestamptz[]); -- corner cases SELECT width_bucket(5, ARRAY[3]); SELECT width_bucket(5, '{}'); -- error cases SELECT width_bucket('5'::text, ARRAY[3, 4]::integer[]); SELECT width_bucket(5, ARRAY[3, 4, NULL]); SELECT width_bucket(5, ARRAY[ARRAY[1, 2], ARRAY[3, 4]]); -- trim_array SELECT arr, trim_array(arr, 2) FROM (VALUES ('{1,2,3,4,5,6}'::bigint[]), ('{1,2}'), ('[10:16]={1,2,3,4,5,6,7}'), ('[-15:-10]={1,2,3,4,5,6}'), ('{{1,10},{2,20},{3,30},{4,40}}')) v(arr); SELECT trim_array(ARRAY[1, 2, 3], -1); -- fail SELECT trim_array(ARRAY[1, 2, 3], 10); -- fail SELECT trim_array(ARRAY[]::int[], 1); -- fail -- array_shuffle SELECT array_shuffle('{1,2,3,4,5,6}'::int[]) <@ '{1,2,3,4,5,6}'; SELECT array_shuffle('{1,2,3,4,5,6}'::int[]) @> '{1,2,3,4,5,6}'; SELECT array_dims(array_shuffle('[-1:2][2:3]={{1,2},{3,NULL},{5,6},{7,8}}'::int[])); SELECT array_dims(array_shuffle('{{{1,2},{3,NULL}},{{5,6},{7,8}},{{9,10},{11,12}}}'::int[])); -- array_sample SELECT array_sample('{1,2,3,4,5,6}'::int[], 3) <@ '{1,2,3,4,5,6}'; SELECT array_length(array_sample('{1,2,3,4,5,6}'::int[], 3), 1); SELECT array_dims(array_sample('[-1:2][2:3]={{1,2},{3,NULL},{5,6},{7,8}}'::int[], 3)); SELECT array_dims(array_sample('{{{1,2},{3,NULL}},{{5,6},{7,8}},{{9,10},{11,12}}}'::int[], 2)); SELECT array_sample('{1,2,3,4,5,6}'::int[], -1); -- fail SELECT array_sample('{1,2,3,4,5,6}'::int[], 7); --fail