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Assorted editing for collation documentation.

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I made a pass over this to familiarize myself with the feature, and found
some things that could be improved.
This commit is contained in:
Tom Lane
2011-03-08 17:10:34 -05:00
parent 4502c8e1c0
commit a612b17120
4 changed files with 118 additions and 88 deletions
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39
doc/src/sgml/ref/create_collation.sgml
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@@ -21,7 +21,7 @@
CREATE COLLATION <replaceable>name</replaceable> (
[ LOCALE = <replaceable>locale</replaceable>, ]
[ LC_COLLATE = <replaceable>lc_collate</replaceable>, ]
[ LC_CTYPE = <replaceable>lc_ctype</replaceable>, ]
[ LC_CTYPE = <replaceable>lc_ctype</replaceable> ]
)
CREATE COLLATION <replaceable>name</replaceable> FROM <replaceable>existing_collation</replaceable>
</synopsis>
@@ -32,7 +32,8 @@ CREATE COLLATION <replaceable>name</replaceable> FROM <replaceable>existing_coll
<para>
<command>CREATE COLLATION</command> defines a new collation using
the specified operating system locales or from an existing collation.
the specified operating system locale settings,
or by copying an existing collation.
</para>
<para>
@@ -53,26 +54,14 @@ CREATE COLLATION <replaceable>name</replaceable> FROM <replaceable>existing_coll
<para>
The name of the collation. The collation name can be
schema-qualified. If it is not, the collation is defined in the
current schema. The collation name must be unique within a
current schema. The collation name must be unique within that
schema. (The system catalogs can contain collations with the
same name for other encodings, but these are not usable if the
same name for other encodings, but these are ignored if the
database encoding does not match.)
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable>existing_collation</replaceable></term>
<listitem>
<para>
The name of an existing collation to copy. The new collation
will have the same properties as the existing one, but they
will become independent objects.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable>locale</replaceable></term>
@@ -80,7 +69,7 @@ CREATE COLLATION <replaceable>name</replaceable> FROM <replaceable>existing_coll
<para>
This is a shortcut for setting <symbol>LC_COLLATE</symbol>
and <symbol>LC_CTYPE</symbol> at once. If you specify this,
you cannot specify either of the other parameters.
you cannot specify either of those parameters.
</para>
</listitem>
</varlistentry>
@@ -112,6 +101,18 @@ CREATE COLLATION <replaceable>name</replaceable> FROM <replaceable>existing_coll
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable>existing_collation</replaceable></term>
<listitem>
<para>
The name of an existing collation to copy. The new collation
will have the same properties as the existing one, but they
will become independent objects.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
@@ -145,8 +146,8 @@ CREATE COLLATION french (LOCALE = 'fr_FR.utf8');
<programlisting>
CREATE COLLATION german FROM "de_DE";
</programlisting>
This can be convenient to be able to use operating-system
independent collation names in applications.
This can be convenient to be able to use operating-system-independent
collation names in applications.
</para>
</refsect1>