1SPI_SCROLL_CURSOR_FETCH(3)PostgreSQL 11.6 DocumentatioSnPI_SCROLL_CURSOR_FETCH(3)
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NAME

6       SPI_scroll_cursor_fetch - fetch some rows from a cursor
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SYNOPSIS

9       void SPI_scroll_cursor_fetch(Portal portal, FetchDirection direction,
10                                    long count)
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DESCRIPTION

13       SPI_scroll_cursor_fetch fetches some rows from a cursor. This is
14       equivalent to the SQL command FETCH.
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ARGUMENTS

17       Portal portal
18           portal containing the cursor
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20       FetchDirection direction
21           one of FETCH_FORWARD, FETCH_BACKWARD, FETCH_ABSOLUTE or
22           FETCH_RELATIVE
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24       long count
25           number of rows to fetch for FETCH_FORWARD or FETCH_BACKWARD;
26           absolute row number to fetch for FETCH_ABSOLUTE; or relative row
27           number to fetch for FETCH_RELATIVE
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RETURN VALUE

30       SPI_processed and SPI_tuptable are set as in SPI_execute if successful.
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NOTES

33       See the SQL FETCH(7) command for details of the interpretation of the
34       direction and count parameters.
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36       Direction values other than FETCH_FORWARD may fail if the cursor's plan
37       was not created with the CURSOR_OPT_SCROLL option.
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41PostgreSQL 11.6                      2019           SPI_SCROLL_CURSOR_FETCH(3)
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