rdelaage
/
postgresql
mirror of https://git.postgresql.org/git/postgresql.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Document that char() ignores spaces in non-pattern comparisons, not in 

pattern comparisons such as LIKE and regex.
This commit is contained in:
Bruce Momjian 2011-03-08 11:03:02 -05:00
parent 4ff90d9945
commit 7465ae06be
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
doc/src/sgml/datatype.sgml
View File

@ -1014,11 +1014,13 @@ SELECT '52093.89'::money::numeric::float8;
with spaces to the specified width <replaceable>n</>, and are
stored and displayed that way. However, the padding spaces are
treated as semantically insignificant. Trailing spaces are
disregarded when comparing two values of type <type>character</type>,
disregarded when non-pattern comparing two values of type <type>character</type>,
and they will be removed when converting a <type>character</type> value
to one of the other string types. Note that trailing spaces
<emphasis>are</> semantically significant in
<type>character varying</type> and <type>text</type> values.
<type>character varying</type> and <type>text</type> values, and
when using pattern matching comparisons, e.g. <literal>LIKE</>,
regular expressions.
</para>
<para>