diff options
Diffstat (limited to 'doc/src')
-rw-r--r-- | doc/src/sgml/ref/create_type.sgml | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/doc/src/sgml/ref/create_type.sgml b/doc/src/sgml/ref/create_type.sgml index 69899d84f53..4f002b65194 100644 --- a/doc/src/sgml/ref/create_type.sgml +++ b/doc/src/sgml/ref/create_type.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/ref/create_type.sgml,v 1.55 2005/05/01 18:56:17 tgl Exp $ +$PostgreSQL: pgsql/doc/src/sgml/ref/create_type.sgml,v 1.56 2005/07/10 21:13:57 tgl Exp $ PostgreSQL documentation --> @@ -125,12 +125,13 @@ CREATE TYPE <replaceable class="parameter">name</replaceable> ( function should perform adequate checking to ensure that the value is valid. The receive function may be declared as taking one argument of type - <type>internal</type>, or two arguments of types <type>internal</type> - and <type>oid</type>. It must return a value of the data type itself. - (The first argument is a pointer to a <type>StringInfo</type> buffer - holding the received byte string; the optional second argument is the - element type OID in case this is an array type, or the type's own OID for a - composite type.) Similarly, the optional + <type>internal</type>, or as taking three arguments of types + <type>internal</type>, <type>oid</type>, <type>integer</type>. + The first argument is a pointer to a <type>StringInfo</type> buffer + holding the received byte string; the optional arguments are the + same as for the text input function. + The receive function must return a value of the data type itself. + Similarly, the optional <replaceable class="parameter">send_function</replaceable> converts from the internal representation to the external binary representation. If this function is not supplied, the type cannot participate in binary |