SPI_scroll_cursor_fetch
SPI_scroll_cursor_fetch — fetch some rows from a cursor
Synopsis
void SPI_scroll_cursor_fetch(Portalportal, FetchDirectiondirection, longcount)
Description
SPI_scroll_cursor_fetch fetches some rows from a cursor. This is equivalent to the SQL command FETCH.
Arguments
Portalportalportal containing the cursor
FetchDirectiondirectionone of
FETCH_FORWARD,FETCH_BACKWARD,FETCH_ABSOLUTEorFETCH_RELATIVElongcountnumber of rows to fetch for
FETCH_FORWARDorFETCH_BACKWARD; absolute row number to fetch forFETCH_ABSOLUTE; or relative row number to fetch forFETCH_RELATIVE
Return Value
SPI_processed and SPI_tuptable are set as in SPI_execute if successful.
Notes
See the SQL FETCH command for details of the interpretation of the direction and count parameters.
Direction values other than FETCH_FORWARD may fail if the cursor's plan was not created with the CURSOR_OPT_SCROLL option.