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COPY (INSERT/UPDATE/DELETE .. RETURNING ..)

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Attached is a patch for being able to do COPY (query) without a CTE.

Author: Marko Tiikkaja
Review: Michael Paquier
This commit is contained in:
Teodor Sigaev
2015-11-27 19:11:22 +03:00
parent 0da3a9bef7
commit 92e38182d7
9 changed files with 284 additions and 24 deletions
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15
doc/src/sgml/ref/copy.sgml
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@ -112,10 +112,17 @@ COPY { <replaceable class="parameter">table_name</replaceable> [ ( <replaceable
<term><replaceable class="parameter">query</replaceable></term>
<listitem>
<para>
A <xref linkend="sql-select"> or
<xref linkend="sql-values"> command
whose results are to be copied.
Note that parentheses are required around the query.
A <xref linkend="sql-select">, <xref linkend="sql-values">,
<xref linkend="sql-insert">, <xref linkend="sql-update"> or
<xref linkend="sql-delete"> command whose results are to be
copied. Note that parentheses are required around the query.
</para>
<para>
For <command>INSERT</>, <command>UPDATE</> and
<command>DELETE</> queries a RETURNING clause must be provided,
and the target relation must not have a conditional rule, nor
an <literal>ALSO</> rule, nor an <literal>INSTEAD</> rule
that expands to multiple statements.
</para>
</listitem>
</varlistentry>