Name
SPI_cursor_fetch — fetch some rows from a cursor
Synopsis
void SPI_cursor_fetch(Portal portal
, bool forward
, long count
)
Description
SPI_cursor_fetch
fetches some rows from a
cursor. This is equivalent to a subset of the SQL command
FETCH (see SPI_scroll_cursor_fetch
for more functionality).
Arguments
Portal portal
portal containing the cursor
bool forward
true for fetch forward, false for fetch backward
long count
maximum number of rows to fetch
Return Value
SPI_processed
and
SPI_tuptable
are set as in
SPI_execute
if successful.
Notes
Fetching backward may fail if the cursor's plan was not created
with the CURSOR_OPT_SCROLL option.