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| SPI_CURSOR_FETCH(3) | PostgreSQL 11.9 Documentation | SPI_CURSOR_FETCH(3) |
NAME¶
SPI_cursor_fetch - fetch some rows from a cursorSYNOPSIS¶
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 portalportal 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.| 2020 | PostgreSQL 11.9 |