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Document that translate() removes characters in "from" that don't have 

a corresponding "to" character.

Author: Josh Kupershmidt
This commit is contained in:
Alvaro Herrera 2010-10-16 01:11:38 -03:00
parent 07f1264dda
commit 33ae03f400
1 changed files with 5 additions and 3 deletions
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8
doc/src/sgml/func.sgml
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@ -1866,10 +1866,12 @@
Any character in <parameter>string</parameter> that matches a
character in the <parameter>from</parameter> set is replaced by
the corresponding character in the <parameter>to</parameter>
set
set. If <parameter>from</parameter> is longer than
<parameter>to</parameter>, occurrences of the extra characters in
<parameter>from</parameter> are removed.
</entry>
<entry><literal>translate('12345', '14', 'ax')</literal></entry>
<entry><literal>a23x5</literal></entry>
<entry><literal>translate('12345', '143', 'ax')</literal></entry>
<entry><literal>a2x5</literal></entry>
</row>
</tbody>