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TABLE command

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This commit is contained in:
Peter Eisentraut
2008-11-20 14:04:46 +00:00
parent f179d5ea99
commit b09a1a2942
7 changed files with 73 additions and 15 deletions
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18
doc/src/sgml/ref/create_table_as.sgml
View File

@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_table_as.sgml,v 1.39 2008/11/14 10:22:46 petere Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/create_table_as.sgml,v 1.40 2008/11/20 14:04:45 petere Exp $
PostgreSQL documentation
-->
@ -196,10 +196,12 @@ CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } ] TABLE <replaceable>table_name
<term><replaceable>query</replaceable></term>
<listitem>
<para>
A <xref linkend="sql-select" endterm="sql-select-title"> or
A <xref linkend="sql-select"
endterm="sql-select-title">, <link linkend="sql-table">TABLE</link>,
or
<xref linkend="sql-values" endterm="sql-values-title"> command,
or an <xref linkend="sql-execute" endterm="sql-execute-title"> command
that runs a prepared <command>SELECT</> or <command>VALUES</> query.
that runs a prepared <command>SELECT</>, <command>TABLE</>, or <command>VALUES</> query.
</para>
</listitem>
</varlistentry>
@ -260,6 +262,16 @@ CREATE TABLE films_recent AS
</programlisting>
</para>
<para>
To copy a table completely, the short form using
the <literal>TABLE</literal> command can also be used:
<programlisting>
CREATE TABLE films2 AS
TABLE films;
</programlisting>
</para>
<para>
Create a new temporary table <literal>films_recent</literal>, consisting of
only recent entries from the table <literal>films</literal>, using a

26
doc/src/sgml/ref/select.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/select.sgml,v 1.109 2008/11/19 12:21:57 petere Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/select.sgml,v 1.110 2008/11/20 14:04:45 petere Exp $
PostgreSQL documentation
-->
@ -12,6 +12,7 @@ PostgreSQL documentation
<refnamediv>
<refname>SELECT</refname>
<refname>TABLE</refname>
<refname>WITH</refname>
<refpurpose>retrieve rows from a table or view</refpurpose>
</refnamediv>
@ -20,6 +21,10 @@ PostgreSQL documentation
<primary>SELECT</primary>
</indexterm>
<indexterm zone="sql-select">
<primary>TABLE command</primary>
</indexterm>
<indexterm zone="sql-select">
<primary>WITH</primary>
<secondary>in SELECT</secondary>
@ -53,6 +58,8 @@ where <replaceable class="parameter">from_item</replaceable> can be one of:
and <replaceable class="parameter">with_query</replaceable> is:
<replaceable class="parameter">with_query_name</replaceable> [ ( <replaceable class="parameter">column_name</replaceable> [, ...] ) ] AS ( <replaceable class="parameter">select</replaceable> )
TABLE <replaceable class="parameter">table_name</replaceable> | <replaceable class="parameter">with_query_name</replaceable>
</synopsis>
</refsynopsisdiv>
@ -1071,6 +1078,23 @@ ROLLBACK TO s;
</para>
</caution>
</refsect2>
<refsect2 id="SQL-TABLE">
<title><literal>TABLE</literal> Command</title>
<para>
The command
<programlisting>
TABLE <replaceable class="parameter">name</replaceable>
</programlisting>
is completely equivalent to
<programlisting>
SELECT * FROM <replaceable class="parameter">name</replaceable>
</programlisting>
It can be used as a top-level command or as a space-saving syntax
variant in parts of complex queries.
</para>
</refsect2>
</refsect1>
<refsect1>