From: | Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com> |
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To: | Alexey Klyukin <alexk(at)commandprompt(dot)com> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: off-by-one mistake in array code error reporting |
Date: | 2011-02-01 06:00:23 |
Message-ID: | AANLkTikedWX0ps_ujCBJmfkzoKm1J-UCBKrUpnHwhDAe@mail.gmail.com |
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On Mon, Jan 31, 2011 at 17:19, Alexey Klyukin <alexk(at)commandprompt(dot)com> wrote:
> While working on PL/Perl patch for arrays as input arguments I've noticed that
> PostgreSQL reports one less dimension in the 'number of array dimensions (%d)
> exceeds the maximum allowed (%d)", i.e.
>
> select '{{{{{{{1,2},{3,4}},{{5,6},{7,8}}},{{{9,10},{11,12}},{{13,14},{15,16}}}}, {{{{17,18},{19,20}},{{21,22},{23,24}}},{{{25,26},{27,28}},{{29,30},{31,32}}}}}, {{{{{1,2},{3,4}},{{5,6},{7,8}}},{{{9,10},{11,12}},{{13,14},{15,16}}}}, {{{{17,18},{19,20}},{{21,22},{23,24}}},{{{25,26},{27,28}},{{29,30},{31,32}}}}}}, {{{{{{1,2},{3,4}},{{5,6},{7,8}}},{{{9,10},{11,12}},{{13,14},{15,16}}}}, {{{{17,18},{19,20}},{{21,22},{23,24}}},{{{25,26},{27,28}},{{29,30},{31,32}}}}}, {{{{{1,2},{3,4}},{{5,6},{7,8}}},{{{9,10},{11,12}},{{13,14},{15,16}}}}, {{{{17,18},{19,20}},{{21,22},{23,24}}},{{{25,26},{27,28}},{{29,30},{31,32}}}}}}}' ::int[];
>
> ERROR: number of array dimensions (6) exceeds the maximum allowed (6)
>
> Attached is the simple fix for that.
Thanks. I found one more same bug in PL/pgSQL.
s=# DO $$ DECLARE a int[]; BEGIN a = (ARRAY[1])[1][1][1][1][1][1][1]; END; $$;
ERROR: number of array dimensions (6) exceeds the maximum allowed (6)
--
Itagaki Takahiro
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