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Per-column collation support

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This adds collation support for columns and domains, a COLLATE clause
to override it per expression, and B-tree index support.

Peter Eisentraut
reviewed by Pavel Stehule, Itagaki Takahiro, Robert Haas, Noah Misch
This commit is contained in:
Peter Eisentraut
2011-02-08 23:04:18 +02:00
parent 1703f0e8da
commit 414c5a2ea6
156 changed files with 4519 additions and 582 deletions
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12
doc/src/sgml/ref/create_domain.sgml
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@@ -22,6 +22,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
CREATE DOMAIN <replaceable class="parameter">name</replaceable> [ AS ] <replaceable class="parameter">data_type</replaceable>
[ COLLATE <replaceable>collation</replaceable> ]
[ DEFAULT <replaceable>expression</replaceable> ]
[ <replaceable class="PARAMETER">constraint</replaceable> [ ... ] ]
@@ -83,6 +84,17 @@ CREATE DOMAIN <replaceable class="parameter">name</replaceable> [ AS ] <replacea
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable>collation</replaceable></term>
<listitem>
<para>
An optional collation for the domain. If no collation is
specified, the database default collation is used (which can
be overridden when the domain is used to define a column).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>DEFAULT <replaceable>expression</replaceable></literal></term>