_fetch_block_extfn

The _fetch_block_extfn v4 API method fetches a block that is allocated and configured by the UDF.

Declaration

short _fetch_block_extfn(
a_v4_extfn_table_context *cntxt, 
a_v4_extfn_row_block ** 
)

Usage

The UDF should implement this method, if it has a preferred layout for its transfer area.

Parameters

Parameter Description
cntxt The procedure context object
row_block The row block object to fetch into

Returns

1 if successful, 0 otherwise.

Parent topic: Table Functions (a_v4_extfn_table_func)