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doc: Update CREATE FUNCTION compatibility information

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Parameter defaults are actually in the SQL standard, while it was
previously claimed they were not.
This commit is contained in:
Peter Eisentraut 2013-01-05 08:29:18 -05:00
parent 49e7a26d67
commit 9e6df60619
1 changed files with 3 additions and 5 deletions
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doc/src/sgml/ref/create_function.sgml
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@ -758,11 +758,9 @@ COMMIT;
</para>
<para>
The SQL standard does not specify parameter defaults. The syntax
with the <literal>DEFAULT</literal> key word is from Oracle, and it
is somewhat in the spirit of the standard: SQL/PSM uses it for
variable default values. The syntax with <literal>=</literal> is
used in T-SQL and Firebird.
For parameter defaults, the SQL standard specifies only the syntax with
the <literal>DEFAULT</literal> key word. The syntax
with <literal>=</literal> is used in T-SQL and Firebird.
</para>
</refsect1>