The EXTFNAPIV4_DESCRIBE_PARM_TYPE attribute indicates the data type of the parameter. Used in a describe_parameter_set scenario.
a_sql_data_type
The data type of a parameter to a UDF.
When the UDF sets this property, the server compares the value to the parameter type supplied in the CREATE PROCEDURE statement. If the two values do not match, the server returns an error. This check ensures that the CREATE PROCEDURE statement has the same parameter data types that the UDF expects.
On success, returns sizeof(a_sql_data_type).
On failure, returns one of the generic describe_parameter errors or:
Valid in: