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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 67c08c0d70
commit e775d35317
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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@ -259,8 +259,9 @@ ALTER FUNCTION <replaceable>name</replaceable> ( [ [ <replaceable class="paramet
setting is removed, so that the function executes with the value
present in its environment. Use <literal>RESET
ALL</literal> to clear all function-local settings.
<literal>SET FROM CURRENT</> saves the session's current value of
the parameter as the value to be applied when the function is entered.
<literal>SET FROM CURRENT</> saves the value of the parameter that
is current when <command>ALTER FUNCTION</> is executed as the value
to be applied when the function is entered.
</para>
<para>

5
doc/src/sgml/ref/create_function.sgml
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@ -486,8 +486,9 @@ CREATE [ OR REPLACE ] FUNCTION
The <literal>SET</> clause causes the specified configuration
parameter to be set to the specified value when the function is
entered, and then restored to its prior value when the function exits.
<literal>SET FROM CURRENT</> saves the session's current value of
the parameter as the value to be applied when the function is entered.
<literal>SET FROM CURRENT</> saves the value of the parameter that
is current when <command>CREATE FUNCTION</> is executed as the value
to be applied when the function is entered.
</para>
<para>