SPI_SCROLL_CURSOR_FETCH(3)
NAME
SPI_scroll_cursor_fetch - fetch some rows from a cursor
SYNOPSIS
void SPI_scroll_cursor_fetch(Portal portal, FetchDirection direction,
long count)
DESCRIPTION
SPI_scroll_cursor_fetch fetches some rows from a cursor. This is
equivalent to the SQL command FETCH.
ARGUMENTS
Portal portal
portal containing the cursor
FetchDirection direction
one of FETCH_FORWARD, FETCH_BACKWARD, FETCH_ABSOLUTE or
FETCH_RELATIVE
long count
number of rows to fetch for FETCH_FORWARD or FETCH_BACKWARD;
absolute row number to fetch for FETCH_ABSOLUTE; or relative row
number to fetch for FETCH_RELATIVE
RETURN VALUE
SPI_processed and SPI_tuptable are set as in SPI_execute if successful.
NOTES
See the SQL FETCH(7) 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.
PostgreSQL 9.4.15 2017 SPI_scroll_cursor_fetch(3)
PostgreSQL 9.4.15 - Generated Wed Nov 29 16:19:14 CST 2017