doc: mention that to_char() values are rounded

Reported-by: barsikdacat@gmail.com

Diagnosed-by: Laurenz Albe

Discussion: https://postgr.es/m/168991536429.626.9957835774751337210@wrigleys.postgresql.org

Author: Laurenz Albe

Backpatch-through: 11
This commit is contained in:
Bruce Momjian 2023-09-06 16:52:24 -04:00
parent caeb4cf191
commit d6f90b3df9

View File

@ -6933,6 +6933,14 @@ SELECT regexp_match('abc01234xyz', '(?:(.*?)(\d+)(.*)){1,1}');
</para>
</listitem>
<listitem>
<para>
If the format provides fewer fractional digits than the number being
formatted, <function>to_char()</function> will round the number to
the specified number of fractional digits.
</para>
</listitem>
<listitem>
<para>
The pattern characters <literal>S</literal>, <literal>L</literal>, <literal>D</literal>,