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 commandFETCH.
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 andSPI_tuptable are set as inSPI_execute if successful.
Notes
See the SQLFETCH command for details of the interpretation of thedirection andcount parameters.
Direction values other thanFETCH_FORWARD may fail if the cursor's plan was not created with theCURSOR_OPT_SCROLL option.