_open_extfn

The server calls the_open_extfn v4 API method to initiate fetching of rows.

Declaration

void _open_extfn(
     a_v4_extfn_table_context *cntxt,
)

Usage

The UDF uses this method to open a result set and allocate any resources (for example, streams) needed for sending results to the server.

Parameters

Parameter Description
cntxt The procedure context object
Parent topic: Table Functions (a_v4_extfn_table_func)