array_fill function

Patch applied, with minor adjustments in error message wording, with
documntation added; committed patch attached.

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Pavel Stehule wrote:

Hello

Proposal: http://archives.postgresql.org/pgsql-hackers/2008-06/msg00057.php

I changed name to array_fill and order of arguments.

postgres=# SELECT array_fill(0, ARRAY[2,3]);
array_fill
-------------------
{{0,0,0},{0,0,0}}
(1 row)

postgres=# SELECT array_fill(0, ARRAY[2,3], ARRAY[1,2]);
array_fill
------------------------------
[1:2][2:4]={{0,0,0},{0,0,0}}
(1 row)

postgres=# SELECT array_fill(0, ARRAY[4], ARRAY[2]);
array_fill
-----------------
[2:5]={0,0,0,0}
(1 row)

postgres=# SELECT array_fill(NULL::int, ARRAY[4]);
array_fill
-----------------------
{NULL,NULL,NULL,NULL}
(1 row)

Regards
Pavel Stehule

[ Attachment, skipping... ]

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