Add note deprecating use of consrc.

This commit is contained in:
Tom Lane 2003-10-17 00:55:17 +00:00
parent 44430dbc15
commit dec4ed311a

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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 2.74 2003/09/12 22:17:19 tgl Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/catalogs.sgml,v 2.75 2003/10/17 00:55:17 tgl Exp $
-->
<chapter id="catalogs">
@ -1357,6 +1357,15 @@
</tgroup>
</table>
<note>
<para>
<structfield>consrc</structfield> is not updated when referenced objects
change; for example, it won't track renaming of columns. Rather than
relying on this field, it's best to use <function>pg_get_constraintdef()</>
to extract the definition of a check constraint.
</para>
</note>
<note>
<para>
<literal>pg_class.relchecks</literal> needs to agree with the