-- -- ARRAYS -- CREATE TABLE arrtest ( a int2[], b int4[][][], c name[], d text[][], e float8[], f char(5)[], g varchar(5)[] ); -- -- 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}'); 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; 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 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}}"; -- 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 * 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 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; -- array casts SELECT ARRAY[1,2,3]::text[]::int[]::float8[] AS "{1,2,3}"; SELECT ARRAY[1,2,3]::text[]::int[]::float8[] is of (float8[]) as "TRUE"; SELECT ARRAY[['a','bc'],['def','hijk']]::text[]::varchar[] AS "{{a,bc},{def,hijk}}"; SELECT ARRAY[['a','bc'],['def','hijk']]::text[]::varchar[] is of (varchar[]) as "TRUE"; SELECT CAST(ARRAY[[[[[['a','bb','ccc']]]]]] as text[]) as "{{{{{{a,bb,ccc}}}}}}"; -- 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}'); -- 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}'; -- 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 [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]); -- raise exception select array_fill(1, null, array[2,2]); select array_fill(1, array[2,2], null); select array_fill(1, array[3,3], array[1,1,1]); select array_fill(1, array[1,2,null]); 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 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 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; 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[]); -- 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;