L.S.
Could someone point me to the formal reason why in:
postgres=# select version();
version
---------------------------------------------------------------------------------------
PostgreSQL 9.0.4 on x86_64-unknown-linux-gnu, compiled by GCC gcc (GCC)
4.3.3, 64-bit
(1 row)
the cast to int[ ] of the result row is needed here:
postgres=# select 1 = any((select ARRAY[1,2])::int[]);
?column?
----------
t
(1 row)
in order to avoid an error:
postgres=# select 1 = any((select ARRAY[1,2]));
ERROR: operator does not exist: integer = integer[]
LINE 1: select 1 = any((select ARRAY[1,2]));
^
HINT: No operator matches the given name and argument type(s). You might need
to add explicit type casts.
Is the right hand side resulting in an array of an array or....?
--
Best,
Frank.
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