The EXTFNAPIV4_DESCRIBE_PARM_TABLE_NUM_ROWS attribute indicates the number of rows in the table. Used in a describe_parameter_get scenario.
a_v4_extfn_estimate
The estimated number of rows in the table. Only valid for argument 0 and table arguments.
Returns the estimated number of rows in the specified table argument or result set with a confidence of 100%.
On success, returns the size of a_v4_extfn_estimate.
On failure, returns one of the generic describe_parameter errors or: