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doc: Add referential actions to CREATE/ALTER TABLE synopsis

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The general constraint synopsis references "referential_action", but
this was not further defined in the synopsis section.  Compared to the
level of detail that the synopsis gives to other subclauses, this
should surely be there.

extracted from a patch by Paul Martinez <hellopfm@gmail.com>

Discussion: https://www.postgresql.org/message-id/flat/CACqFVBZQyMYJV=njbSMxf+rbDHpx=W=B7AEaMKn8dWn9OZJY7w@mail.gmail.com
This commit is contained in:
Peter Eisentraut 2021-11-11 10:49:44 +01:00
parent 098c134556
commit db9f287711
2 changed files with 8 additions and 0 deletions
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4
doc/src/sgml/ref/alter_table.sgml
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@ -135,6 +135,10 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM
<phrase><replaceable class="parameter">exclude_element</replaceable> in an <literal>EXCLUDE</literal> constraint is:</phrase>
{ <replaceable class="parameter">column_name</replaceable> | ( <replaceable class="parameter">expression</replaceable> ) } [ <replaceable class="parameter">opclass</replaceable> ] [ ASC | DESC ] [ NULLS { FIRST | LAST } ]
<phrase><replaceable class="parameter">referential_action</replaceable> in a <literal>FOREIGN KEY</literal>/<literal>REFERENCES</literal> constraint is:</phrase>
{ NO ACTION | RESTRICT | CASCADE | SET NULL | SET DEFAULT }
</synopsis>
</refsynopsisdiv>

4
doc/src/sgml/ref/create_table.sgml
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@ -105,6 +105,10 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM
<phrase><replaceable class="parameter">exclude_element</replaceable> in an <literal>EXCLUDE</literal> constraint is:</phrase>
{ <replaceable class="parameter">column_name</replaceable> | ( <replaceable class="parameter">expression</replaceable> ) } [ <replaceable class="parameter">opclass</replaceable> ] [ ASC | DESC ] [ NULLS { FIRST | LAST } ]
<phrase><replaceable class="parameter">referential_action</replaceable> in a <literal>FOREIGN KEY</literal>/<literal>REFERENCES</literal> constraint is:</phrase>
{ NO ACTION | RESTRICT | CASCADE | SET NULL | SET DEFAULT }
</synopsis>
</refsynopsisdiv>