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Doc: clarify description of CREATE/ALTER FUNCTION ... SET FROM CURRENT.

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Per discussion with David Johnston.
This commit is contained in:
Tom Lane
2016-08-09 13:39:24 -04:00
parent 757f567ec8
commit e4b4a46944
2 changed files with 6 additions and 4 deletions
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5
doc/src/sgml/ref/alter_function.sgml
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@@ -236,8 +236,9 @@ ALTER FUNCTION <replaceable>name</replaceable> ( [ [ <replaceable class="paramet
setting is removed, so that the function executes with the value setting is removed, so that the function executes with the value
present in its environment. Use <literal>RESET present in its environment. Use <literal>RESET
ALL</literal> to clear all function-local settings. ALL</literal> to clear all function-local settings.
<literal>SET FROM CURRENT</> saves the session's current value of <literal>SET FROM CURRENT</> saves the value of the parameter that
the parameter as the value to be applied when the function is entered. is current when <command>ALTER FUNCTION</> is executed as the value
to be applied when the function is entered.
</para> </para>
<para> <para>

5
doc/src/sgml/ref/create_function.sgml
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@@ -421,8 +421,9 @@ CREATE [ OR REPLACE ] FUNCTION
The <literal>SET</> clause causes the specified configuration The <literal>SET</> clause causes the specified configuration
parameter to be set to the specified value when the function is parameter to be set to the specified value when the function is
entered, and then restored to its prior value when the function exits. entered, and then restored to its prior value when the function exits.
<literal>SET FROM CURRENT</> saves the session's current value of <literal>SET FROM CURRENT</> saves the value of the parameter that
the parameter as the value to be applied when the function is entered. is current when <command>CREATE FUNCTION</> is executed as the value
to be applied when the function is entered.
</para> </para>
<para> <para>