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Make a code-cleanup pass over the collations patch.

This patch is almost entirely cosmetic --- mostly cleaning up a lot of
neglected comments, and fixing code layout problems in places where the
patch made lines too long and then pgindent did weird things with that.
I did find a bug-of-omission in equalTupleDescs().
This commit is contained in:
Tom Lane
2011-04-22 17:43:18 -04:00
parent 0cfdc1c657
commit 9e9b9ac7d1
24 changed files with 179 additions and 118 deletions

View File

@@ -188,9 +188,8 @@ CREATE [ UNIQUE ] INDEX [ CONCURRENTLY ] [ <replaceable class="parameter">name</
The name of the collation to use for the index. By default,
the index uses the collation declared for the column to be
indexed or the result collation of the expression to be
indexed. Indexes with nondefault collations are
available for use by queries that involve expressions using
nondefault collations.
indexed. Indexes with non-default collations can be useful for
queries that involve expressions using non-default collations.
</para>
</listitem>
</varlistentry>
@@ -537,6 +536,13 @@ CREATE INDEX ON films ((lower(title)));
will choose a name, typically <literal>films_lower_idx</>.)
</para>
<para>
To create an index with non-default collation:
<programlisting>
CREATE INDEX title_idx_german ON films (title COLLATE "de_DE");
</programlisting>
</para>
<para>
To create an index with non-default sort ordering of nulls:
<programlisting>