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Add mention of FOR UPDATE and LIMIT/OFFSET>

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Bruce Momjian
1999-06-03 19:52:09 +00:00
parent e1ea7cc2e5
commit a4a5f56202
3 changed files with 27 additions and 4 deletions
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13
doc/src/sgml/ref/select.sgml
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@ -26,6 +26,8 @@ SELECT [ALL|DISTINCT [ON <replaceable class="PARAMETER">column</replaceable>] ]
[ HAVING <replaceable class="PARAMETER">condition</replaceable> [, ...] ]
[ { UNION [ALL] | INTERSECT | EXCEPT } <replaceable class="PARAMETER">select</replaceable> ]
[ ORDER BY <replaceable class="PARAMETER">column</replaceable> [ ASC | DESC ] [, ...] ]
[ FOR UPDATE [OF class_name...]]
[ LIMIT count [OFFSET|, count]]
</synopsis>
<refsect2 id="R2-SQL-SELECT-1">
@ -242,6 +244,15 @@ including duplicates.</para>
The EXCEPT give you the rows in the upper query not in the lower query.
(See EXCEPT clause).</para>
<para>
The FOR UPDATE clause allows the SELECT statement to perform
exclusive locking of selected rows.
(See EXCEPT clause).</para>
<para>
The LIMIT...OFFSET clause allows control over which rows are
returned by the query.</para>
<para>
You must have SELECT privilege to a table to read its values
(See <command>GRANT</command>/<command>REVOKE</command> statements).
@ -709,6 +720,8 @@ SELECT [ ALL | DISTINCT ] <replaceable class="PARAMETER">expression</replaceable
[ HAVING <replaceable class="PARAMETER">condition</replaceable> [, ...] ]
[ { UNION [ALL] | INTERSECT | EXCEPT } <replaceable class="PARAMETER">select</replaceable>]
[ ORDER BY <replaceable class="PARAMETER">column</replaceable> [ ASC | DESC ] [, ...] ]
[ FOR UPDATE [OF class_name...]]
[ LIMIT count [OFFSET|, count]]
</synopsis>
<refsect2 id="R2-SQL-SELECTINTO-1">