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  • Committer: Bazaar Package Importer
  • Author(s): Martin Pitt
  • Date: 2011-05-11 10:41:53 UTC
  • Revision ID: james.westby@ubuntu.com-20110511104153-psbh2o58553fv1m0
Tags: upstream-9.1~beta1
Import upstream version 9.1~beta1

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doc/src/sgml/html/catalog-pg-rewrite.html
 
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 
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<HTML
 
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><HEAD
 
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><TITLE
 
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>pg_rewrite</TITLE
 
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><META
 
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NAME="GENERATOR"
 
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CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
 
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REV="MADE"
 
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HREF="mailto:pgsql-docs@postgresql.org"><LINK
 
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REL="HOME"
 
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TITLE="PostgreSQL 9.1beta1 Documentation"
 
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HREF="index.html"><LINK
 
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REL="UP"
 
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TITLE="System Catalogs"
 
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HREF="catalogs.html"><LINK
 
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REL="PREVIOUS"
 
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TITLE="pg_proc"
 
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HREF="catalog-pg-proc.html"><LINK
 
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REL="NEXT"
 
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TITLE="pg_seclabel"
 
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HREF="catalog-pg-seclabel.html"><LINK
 
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REL="STYLESHEET"
 
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TYPE="text/css"
 
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HREF="stylesheet.css"><META
 
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HTTP-EQUIV="Content-Type"
 
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CONTENT="text/html; charset=ISO-8859-1"><META
 
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NAME="creation"
 
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CONTENT="2011-04-27T21:20:33"></HEAD
 
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><BODY
 
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CLASS="SECT1"
 
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><DIV
 
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CLASS="NAVHEADER"
 
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><TABLE
 
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SUMMARY="Header navigation table"
 
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WIDTH="100%"
 
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BORDER="0"
 
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CELLPADDING="0"
 
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CELLSPACING="0"
 
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><TR
 
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><TH
 
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COLSPAN="5"
 
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ALIGN="center"
 
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VALIGN="bottom"
 
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><A
 
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HREF="index.html"
 
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>PostgreSQL 9.1beta1 Documentation</A
 
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></TH
 
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></TR
 
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><TR
 
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><TD
 
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WIDTH="10%"
 
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ALIGN="left"
 
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VALIGN="top"
 
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><A
 
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TITLE="pg_proc"
 
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HREF="catalog-pg-proc.html"
 
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ACCESSKEY="P"
 
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>Prev</A
 
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></TD
 
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><TD
 
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WIDTH="10%"
 
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ALIGN="left"
 
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VALIGN="top"
 
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><A
 
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TITLE="System Catalogs"
 
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HREF="catalogs.html"
 
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>Fast Backward</A
 
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></TD
 
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><TD
 
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WIDTH="60%"
 
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ALIGN="center"
 
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VALIGN="bottom"
 
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>Chapter 45. System Catalogs</TD
 
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><TD
 
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WIDTH="10%"
 
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ALIGN="right"
 
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VALIGN="top"
 
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><A
 
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TITLE="System Catalogs"
 
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HREF="catalogs.html"
 
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>Fast Forward</A
 
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></TD
 
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><TD
 
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WIDTH="10%"
 
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ALIGN="right"
 
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VALIGN="top"
 
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><A
 
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TITLE="pg_seclabel"
 
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HREF="catalog-pg-seclabel.html"
 
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ACCESSKEY="N"
 
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>Next</A
 
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></TD
 
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></TR
 
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></TABLE
 
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><HR
 
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ALIGN="LEFT"
 
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WIDTH="100%"></DIV
 
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><DIV
 
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CLASS="SECT1"
 
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><H1
 
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CLASS="SECT1"
 
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><A
 
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NAME="CATALOG-PG-REWRITE"
 
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>45.36. <TT
 
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CLASS="STRUCTNAME"
 
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>pg_rewrite</TT
 
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></A
 
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></H1
 
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><P
 
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>   The catalog <TT
 
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CLASS="STRUCTNAME"
 
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>pg_rewrite</TT
 
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> stores rewrite rules for tables and views.
 
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  </P
 
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><DIV
 
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CLASS="TABLE"
 
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><A
 
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NAME="AEN87860"
 
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></A
 
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><P
 
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><B
 
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>Table 45-36. <TT
 
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CLASS="STRUCTNAME"
 
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>pg_rewrite</TT
 
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> Columns</B
 
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></P
 
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><TABLE
 
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BORDER="1"
 
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CLASS="CALSTABLE"
 
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><COL><COL><COL><COL><THEAD
 
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><TR
 
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><TH
 
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>Name</TH
 
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><TH
 
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>Type</TH
 
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><TH
 
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>References</TH
 
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><TH
 
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>Description</TH
 
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></TR
 
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></THEAD
 
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><TBODY
 
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><TR
 
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><TD
 
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><TT
 
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CLASS="STRUCTFIELD"
 
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>rulename</TT
 
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></TD
 
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><TD
 
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><TT
 
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CLASS="TYPE"
 
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>name</TT
 
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></TD
 
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><TD
 
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>&nbsp;</TD
 
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><TD
 
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>Rule name</TD
 
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></TR
 
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><TR
 
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><TD
 
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><TT
 
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CLASS="STRUCTFIELD"
 
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>ev_class</TT
 
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></TD
 
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><TD
 
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><TT
 
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CLASS="TYPE"
 
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>oid</TT
 
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></TD
 
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><TD
 
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><TT
 
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CLASS="LITERAL"
 
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><A
 
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HREF="catalog-pg-class.html"
 
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><TT
 
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CLASS="STRUCTNAME"
 
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>pg_class</TT
 
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></A
 
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>.oid</TT
 
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></TD
 
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><TD
 
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>The table this rule is for</TD
 
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></TR
 
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><TR
 
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><TD
 
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><TT
 
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CLASS="STRUCTFIELD"
 
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>ev_attr</TT
 
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></TD
 
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><TD
 
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><TT
 
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CLASS="TYPE"
 
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>int2</TT
 
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></TD
 
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><TD
 
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>&nbsp;</TD
 
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><TD
 
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>The column this rule is for (currently, always zero to
 
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      indicate the whole table)</TD
 
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></TR
 
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><TR
 
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><TD
 
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><TT
 
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CLASS="STRUCTFIELD"
 
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>ev_type</TT
 
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></TD
 
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><TD
 
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><TT
 
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CLASS="TYPE"
 
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>char</TT
 
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></TD
 
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><TD
 
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>&nbsp;</TD
 
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><TD
 
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>       Event type that the rule is for: 1 = <TT
 
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CLASS="COMMAND"
 
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>SELECT</TT
 
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>, 2 =
 
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       <TT
 
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CLASS="COMMAND"
 
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>UPDATE</TT
 
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>, 3 = <TT
 
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CLASS="COMMAND"
 
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>INSERT</TT
 
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>, 4 =
 
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       <TT
 
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CLASS="COMMAND"
 
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>DELETE</TT
 
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>
 
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      </TD
 
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></TR
 
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><TR
 
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><TD
 
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><TT
 
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CLASS="STRUCTFIELD"
 
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>ev_enabled</TT
 
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></TD
 
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><TD
 
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><TT
 
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CLASS="TYPE"
 
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>char</TT
 
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></TD
 
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><TD
 
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>&nbsp;</TD
 
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><TD
 
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>       Controls in which <A
 
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HREF="runtime-config-client.html#GUC-SESSION-REPLICATION-ROLE"
 
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>session_replication_role</A
 
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> modes
 
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       the rule fires.
 
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       <TT
 
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CLASS="LITERAL"
 
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>O</TT
 
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> = rule fires in <SPAN
 
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CLASS="QUOTE"
 
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>"origin"</SPAN
 
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> and <SPAN
 
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CLASS="QUOTE"
 
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>"local"</SPAN
 
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> modes,
 
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       <TT
 
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CLASS="LITERAL"
 
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>D</TT
 
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> = rule is disabled,
 
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       <TT
 
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CLASS="LITERAL"
 
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>R</TT
 
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> = rule fires in <SPAN
 
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CLASS="QUOTE"
 
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>"replica"</SPAN
 
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> mode,
 
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       <TT
 
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CLASS="LITERAL"
 
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>A</TT
 
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> = rule fires always.
 
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      </TD
 
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></TR
 
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><TR
 
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><TD
 
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><TT
 
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CLASS="STRUCTFIELD"
 
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>is_instead</TT
 
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></TD
 
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><TD
 
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><TT
 
287
CLASS="TYPE"
 
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>bool</TT
 
289
></TD
 
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><TD
 
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>&nbsp;</TD
 
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><TD
 
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>True if the rule is an <TT
 
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CLASS="LITERAL"
 
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>INSTEAD</TT
 
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> rule</TD
 
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></TR
 
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><TR
 
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><TD
 
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><TT
 
301
CLASS="STRUCTFIELD"
 
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>ev_qual</TT
 
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></TD
 
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><TD
 
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><TT
 
306
CLASS="TYPE"
 
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>pg_node_tree</TT
 
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></TD
 
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><TD
 
310
>&nbsp;</TD
 
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><TD
 
312
>       Expression tree (in the form of a
 
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       <CODE
 
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CLASS="FUNCTION"
 
315
>nodeToString()</CODE
 
316
> representation) for the
 
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       rule's qualifying condition
 
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      </TD
 
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></TR
 
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><TR
 
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><TD
 
322
><TT
 
323
CLASS="STRUCTFIELD"
 
324
>ev_action</TT
 
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></TD
 
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><TD
 
327
><TT
 
328
CLASS="TYPE"
 
329
>pg_node_tree</TT
 
330
></TD
 
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><TD
 
332
>&nbsp;</TD
 
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><TD
 
334
>       Query tree (in the form of a
 
335
       <CODE
 
336
CLASS="FUNCTION"
 
337
>nodeToString()</CODE
 
338
> representation) for the
 
339
       rule's action
 
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      </TD
 
341
></TR
 
342
></TBODY
 
343
></TABLE
 
344
></DIV
 
345
><DIV
 
346
CLASS="NOTE"
 
347
><BLOCKQUOTE
 
348
CLASS="NOTE"
 
349
><P
 
350
><B
 
351
>Note: </B
 
352
>    <TT
 
353
CLASS="LITERAL"
 
354
>pg_class.relhasrules</TT
 
355
>
 
356
    must be true if a table has any rules in this catalog.
 
357
   </P
 
358
></BLOCKQUOTE
 
359
></DIV
 
360
></DIV
 
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><DIV
 
362
CLASS="NAVFOOTER"
 
363
><HR
 
364
ALIGN="LEFT"
 
365
WIDTH="100%"><TABLE
 
366
SUMMARY="Footer navigation table"
 
367
WIDTH="100%"
 
368
BORDER="0"
 
369
CELLPADDING="0"
 
370
CELLSPACING="0"
 
371
><TR
 
372
><TD
 
373
WIDTH="33%"
 
374
ALIGN="left"
 
375
VALIGN="top"
 
376
><A
 
377
HREF="catalog-pg-proc.html"
 
378
ACCESSKEY="P"
 
379
>Prev</A
 
380
></TD
 
381
><TD
 
382
WIDTH="34%"
 
383
ALIGN="center"
 
384
VALIGN="top"
 
385
><A
 
386
HREF="index.html"
 
387
ACCESSKEY="H"
 
388
>Home</A
 
389
></TD
 
390
><TD
 
391
WIDTH="33%"
 
392
ALIGN="right"
 
393
VALIGN="top"
 
394
><A
 
395
HREF="catalog-pg-seclabel.html"
 
396
ACCESSKEY="N"
 
397
>Next</A
 
398
></TD
 
399
></TR
 
400
><TR
 
401
><TD
 
402
WIDTH="33%"
 
403
ALIGN="left"
 
404
VALIGN="top"
 
405
><TT
 
406
CLASS="STRUCTNAME"
 
407
>pg_proc</TT
 
408
></TD
 
409
><TD
 
410
WIDTH="34%"
 
411
ALIGN="center"
 
412
VALIGN="top"
 
413
><A
 
414
HREF="catalogs.html"
 
415
ACCESSKEY="U"
 
416
>Up</A
 
417
></TD
 
418
><TD
 
419
WIDTH="33%"
 
420
ALIGN="right"
 
421
VALIGN="top"
 
422
><TT
 
423
CLASS="STRUCTNAME"
 
424
>pg_seclabel</TT
 
425
></TD
 
426
></TR
 
427
></TABLE
 
428
></DIV
 
429
></BODY
 
430
></HTML
 
431
>
 
 
b'\\ No newline at end of file'