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Add attisinherited column to pg_attribute; use it to guard against

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column additions, deletions, and renames that would let a child table
get out of sync with its parent.  Patch by Alvaro Herrera, with some
kibitzing by Tom Lane.
This commit is contained in:
Tom Lane
2002-08-30 19:23:20 +00:00
parent 96fd7192e7
commit e2d156fa6e
18 changed files with 488 additions and 326 deletions
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12
doc/src/sgml/catalogs.sgml
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@ -1,6 +1,6 @@
<!--
Documentation of the system catalogs, directed toward PostgreSQL developers
$Header: /cvsroot/pgsql/doc/src/sgml/catalogs.sgml,v 2.55 2002/08/28 15:02:55 tgl Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/catalogs.sgml,v 2.56 2002/08/30 19:23:18 tgl Exp $
-->
<chapter id="catalogs">
@ -821,6 +821,16 @@
</entry>
</row>
<row>
<entry>attisinherited</entry>
<entry><type>bool</type></entry>
<entry></entry>
<entry>
This column is inherited from some other relation. An inherited
column cannot be dropped nor renamed.
</entry>
</row>
</tbody>
</tgroup>
</table>