1SPI_SCROLL_CURSOR_FETCH(3)PostgreSQL 10.7 DocumentatioSnPI_SCROLL_CURSOR_FETCH(3)
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6 SPI_scroll_cursor_fetch - fetch some rows from a cursor
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9 void SPI_scroll_cursor_fetch(Portal portal, FetchDirection direction,
10 long count)
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13 SPI_scroll_cursor_fetch fetches some rows from a cursor. This is
14 equivalent to the SQL command FETCH.
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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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30 SPI_processed and SPI_tuptable are set as in SPI_execute if successful.
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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 10.7 2019 SPI_SCROLL_CURSOR_FETCH(3)