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Allow dropping multiple functions at once

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The generic drop support already supported dropping multiple objects of
the same kind at once.  But the previous representation
of function signatures across two grammar symbols and structure members
made this cumbersome to do for functions, so it was not supported.  Now
that function signatures are represented by a single structure, it's
trivial to add this support.  Same for aggregates and operators.

Reviewed-by: Jim Nasby <Jim.Nasby@BlueTreble.com>
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
This commit is contained in:
Peter Eisentraut
2016-12-28 12:00:00 -05:00
parent 2ca64c6f71
commit 583f6c4148
6 changed files with 52 additions and 21 deletions
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8
doc/src/sgml/ref/drop_function.sgml
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@ -21,7 +21,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
DROP FUNCTION [ IF EXISTS ] <replaceable class="parameter">name</replaceable> ( [ [ <replaceable class="parameter">argmode</replaceable> ] [ <replaceable class="parameter">argname</replaceable> ] <replaceable class="parameter">argtype</replaceable> [, ...] ] )
DROP FUNCTION [ IF EXISTS ] <replaceable class="parameter">name</replaceable> ( [ [ <replaceable class="parameter">argmode</replaceable> ] [ <replaceable class="parameter">argname</replaceable> ] <replaceable class="parameter">argtype</replaceable> [, ...] ] ) [, ...]
[ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>
@ -134,6 +134,12 @@ DROP FUNCTION [ IF EXISTS ] <replaceable class="parameter">name</replaceable> (
<programlisting>
DROP FUNCTION sqrt(integer);
</programlisting></para>
<para>
Drop multiple functions in one command:
<programlisting>
DROP FUNCTION sqrt(integer), sqrt(bigint);
</programlisting></para>
</refsect1>