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Implement max() and min() aggregates for array types. Patch from Koju

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Iijima, reviewed by Neil Conway. Catalog version number bumped,
regression tests updated.
This commit is contained in:
Neil Conway
2005-02-28 03:45:24 +00:00
parent 517872c566
commit 484f0464ff
8 changed files with 118 additions and 9 deletions
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6
doc/src/sgml/func.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.238 2005/02/11 04:31:54 momjian Exp $
$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.239 2005/02/28 03:45:20 neilc Exp $
PostgreSQL documentation
-->
@ -7161,7 +7161,7 @@ SELECT NULLIF(value, '(none)') ...
<row>
<entry><function>max(<replaceable class="parameter">expression</replaceable>)</function></entry>
<entry>any numeric, string, or date/time type</entry>
<entry>any array, numeric, string, or date/time type</entry>
<entry>same as argument type</entry>
<entry>
maximum value of <replaceable
@ -7172,7 +7172,7 @@ SELECT NULLIF(value, '(none)') ...
<row>
<entry><function>min(<replaceable class="parameter">expression</replaceable>)</function></entry>
<entry>any numeric, string, or date/time type</entry>
<entry>any array, numeric, string, or date/time type</entry>
<entry>same as argument type</entry>
<entry>
minimum value of <replaceable