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Allow CREATE OR REPLACE VIEW to add columns to the _end_ of the view.

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Robert Haas
This commit is contained in:
Bruce Momjian
2008-12-06 23:22:46 +00:00
parent 31076c8beb
commit ff1ea2173a
7 changed files with 97 additions and 49 deletions
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9
doc/src/sgml/ref/create_view.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_view.sgml,v 1.37 2008/11/14 10:22:46 petere Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/create_view.sgml,v 1.38 2008/12/06 23:22:46 momjian Exp $
PostgreSQL documentation
-->
@ -37,9 +37,10 @@ CREATE [ OR REPLACE ] [ TEMP | TEMPORARY ] VIEW <replaceable class="PARAMETER">n
<para>
<command>CREATE OR REPLACE VIEW</command> is similar, but if a view
of the same name already exists, it is replaced. You can only replace
a view with a new query that generates the identical set of columns
(i.e., same column names and data types).
of the same name already exists, it is replaced. The new query must
generate all of the same columns that were generated by the original query
in the same order and with the same data types, but may add additional
columns to the end of the list.
</para>
<para>