Add note deprecating use of consrc.
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@ -1,6 +1,6 @@
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<!--
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Documentation of the system catalogs, directed toward PostgreSQL developers
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$Header: /cvsroot/pgsql/doc/src/sgml/catalogs.sgml,v 2.74 2003/09/12 22:17:19 tgl Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/catalogs.sgml,v 2.75 2003/10/17 00:55:17 tgl Exp $
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-->
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<chapter id="catalogs">
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@ -1357,6 +1357,15 @@
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</tgroup>
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</table>
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<note>
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<para>
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<structfield>consrc</structfield> is not updated when referenced objects
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change; for example, it won't track renaming of columns. Rather than
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relying on this field, it's best to use <function>pg_get_constraintdef()</>
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to extract the definition of a check constraint.
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</para>
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</note>
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<note>
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<para>
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<literal>pg_class.relchecks</literal> needs to agree with the
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