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Fix ARRAY[] construct so that in multidimensional case, elements can

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be anything yielding an array of the proper kind, not only sub-ARRAY[]
constructs; do subscript checking at runtime not parse time.  Also,
adjust array_cat to make array || array comply with the SQL99 spec.

Joe Conway
This commit is contained in:
Tom Lane
2003-08-17 23:43:27 +00:00
parent de9c553f6b
commit e945246321
12 changed files with 105 additions and 115 deletions
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30
src/test/regress/expected/arrays.out
View File

@@ -190,10 +190,10 @@ SELECT array_prepend(6, array[42]) AS "{6,42}";
{6,42}
(1 row)
SELECT array_cat(ARRAY[1,2], ARRAY[3,4]) AS "{{1,2},{3,4}}";
{{1,2},{3,4}}
---------------
{{1,2},{3,4}}
SELECT array_cat(ARRAY[1,2], ARRAY[3,4]) AS "{1,2,3,4}";
{1,2,3,4}
-----------
{1,2,3,4}
(1 row)
SELECT array_cat(ARRAY[1,2], ARRAY[[3,4],[5,6]]) AS "{{1,2},{3,4},{5,6}}";
@@ -233,16 +233,16 @@ SELECT 0 || ARRAY[1,2] AS "{0,1,2}";
{0,1,2}
(1 row)
SELECT ARRAY[1,2] || ARRAY[3,4] AS "{{1,2},{3,4}}";
{{1,2},{3,4}}
---------------
{{1,2},{3,4}}
SELECT ARRAY[1,2] || ARRAY[3,4] AS "{1,2,3,4}";
{1,2,3,4}
-----------
{1,2,3,4}
(1 row)
SELECT ARRAY[[['hello','world']]] || ARRAY[[['happy','birthday']]] AS "ARRAY";
ARRAY
------------------------------------------
{{{{hello,world}}},{{{happy,birthday}}}}
ARRAY
--------------------------------------
{{{hello,world}},{{happy,birthday}}}
(1 row)
SELECT ARRAY[[1,2],[3,4]] || ARRAY[5,6] AS "{{1,2},{3,4},{5,6}}";
@@ -251,10 +251,10 @@ SELECT ARRAY[[1,2],[3,4]] || ARRAY[5,6] AS "{{1,2},{3,4},{5,6}}";
{{1,2},{3,4},{5,6}}
(1 row)
SELECT ARRAY[0,0] || ARRAY[1,1] || ARRAY[2,2] AS "{{0,0},{1,1},{2,2}}";
{{0,0},{1,1},{2,2}}
---------------------
{{0,0},{1,1},{2,2}}
SELECT ARRAY[0,0] || ARRAY[1,1] || ARRAY[2,2] AS "{0,0,1,1,2,2}";
{0,0,1,1,2,2}
---------------
{0,0,1,1,2,2}
(1 row)
SELECT 0 || ARRAY[1,2] || 3 AS "{0,1,2,3}";

6
src/test/regress/sql/arrays.sql
View File

@@ -132,7 +132,7 @@ SELECT ARRAY(select f2 from arrtest_f order by f2) AS "ARRAY";
-- 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]) 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}}";
@@ -141,10 +141,10 @@ 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[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 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}";
-- array casts