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Honor to_char() "FM" specification in YYY, YY, and Y; it was already

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honored by YYYY.  Also document Oracle "toggle" FM behavior.

Per report from Guy Rouillier
This commit is contained in:
Bruce Momjian
2010-02-16 21:18:02 +00:00
parent 55ea144a14
commit 70d8a2c29e
4 changed files with 23 additions and 16 deletions
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8
doc/src/sgml/func.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.502 2010/02/12 17:33:19 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.503 2010/02/16 21:18:01 momjian Exp $ -->
<chapter id="functions">
<title>Functions and Operators</title>
@ -5174,7 +5174,11 @@ SELECT SUBSTRING('XY1234Z', 'Y*?([0-9]{1,3})');
<para>
<literal>FM</literal> suppresses leading zeroes and trailing blanks
that would otherwise be added to make the output of a pattern be
fixed-width.
fixed-width. In <productname>PostgreSQL</productname>,
<literal>FM</literal> modifies only the next specification, while in
Oracle <literal>FM</literal> affects all subsequent
specifications, and repeated <literal>FM</literal> modifiers
toggle fill mode on and off.
</para>
</listitem>