diff options
Diffstat (limited to 'doc/src/sgml/ref/create_cast.sgml')
| -rw-r--r-- | doc/src/sgml/ref/create_cast.sgml | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/src/sgml/ref/create_cast.sgml b/doc/src/sgml/ref/create_cast.sgml index 11266755e56..a7d13edc22b 100644 --- a/doc/src/sgml/ref/create_cast.sgml +++ b/doc/src/sgml/ref/create_cast.sgml @@ -19,7 +19,7 @@ <refsynopsisdiv> <synopsis> CREATE CAST (<replaceable>source_type</replaceable> AS <replaceable>target_type</replaceable>) - WITH FUNCTION <replaceable>function_name</replaceable> (<replaceable>argument_type</replaceable> [, ...]) + WITH FUNCTION <replaceable>function_name</replaceable> [ (<replaceable>argument_type</replaceable> [, ...]) ] [ AS ASSIGNMENT | AS IMPLICIT ] CREATE CAST (<replaceable>source_type</replaceable> AS <replaceable>target_type</replaceable>) @@ -192,7 +192,7 @@ SELECT CAST ( 2 AS numeric ) + 4.0; </varlistentry> <varlistentry> - <term><replaceable>function_name</replaceable>(<replaceable>argument_type</replaceable> [, ...])</term> + <term><literal><replaceable>function_name</replaceable>[(<replaceable>argument_type</replaceable> [, ...])]</literal></term> <listitem> <para> @@ -200,6 +200,8 @@ SELECT CAST ( 2 AS numeric ) + 4.0; be schema-qualified. If it is not, the function will be looked up in the schema search path. The function's result data type must match the target type of the cast. Its arguments are discussed below. + If no argument list is specified, the function name must be unique in + its schema. </para> </listitem> </varlistentry> |