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Document values for pg_constraint confupdtype, confdeltype and confmatchtype columns.

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Andrew Dunstan 2009-01-09 01:53:10 +00:00
parent 32c34aab1d
commit 32e1265dd9
1 changed files with 20 additions and 4 deletions
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24
doc/src/sgml/catalogs.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/catalogs.sgml,v 2.186 2008/12/19 18:25:19 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/catalogs.sgml,v 2.187 2009/01/09 01:53:10 adunstan Exp $ -->
<!--
Documentation of the system catalogs, directed toward PostgreSQL developers
-->
@ -1909,21 +1909,37 @@
<entry><structfield>confupdtype</structfield></entry>
<entry><type>char</type></entry>
<entry></entry>
<entry>Foreign key update action code</entry>
<entry>Foreign key update action code:
<literal>a</> = no action,
<literal>r</> = restrict,
<literal>c</> = cascade,
<literal>n</> = set null,
<literal>d</> = set default
</entry>
</row>
<row>
<entry><structfield>confdeltype</structfield></entry>
<entry><type>char</type></entry>
<entry></entry>
<entry>Foreign key deletion action code</entry>
<entry>Foreign key deletion action code:
<literal>a</> = no action,
<literal>r</> = restrict,
<literal>c</> = cascade,
<literal>n</> = set null,
<literal>d</> = set default
</entry>
</row>
<row>
<entry><structfield>confmatchtype</structfield></entry>
<entry><type>char</type></entry>
<entry></entry>
<entry>Foreign key match type</entry>
<entry>Foreign key match type:
<literal>f</> = full,
<literal>p</> = partial,
<literal>u</> = simple (unspecified)
</entry>
</row>
<row>