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Remove SQL-compatibility function cardinality(). It is not exactly clear

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how this ought to behave for multi-dimensional arrays.  Per discussion,
not having it at all seems better than having it with what might prove
to be the wrong behavior.  We can always add it later when we have consensus
on the correct behavior.
This commit is contained in:
Tom Lane
2009-04-09 17:39:50 +00:00
parent 78f58f0f70
commit 06e2757277
8 changed files with 7 additions and 83 deletions
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src/test/regress/sql/arrays.sql
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@ -392,14 +392,10 @@ 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(array[1,2,3]);
select cardinality(array[[1,2,3], [4,5,6]]);
select c, cardinality(c), d, cardinality(d) from arrtest;
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 cardinality(array_agg(unique1)) from tenk1 where unique1 < 15;
select array_agg(unique1) from tenk1 where unique1 < -15;
select unnest(array[1,2,3]);