SPI_cursor_fetch

PostgreSQL 9.2.23 Documentation
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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.

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