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Man Pages


Manual Reference Pages  -  SPI_SCROLL_CURSOR_FETCH (3)

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NAME

SPI_scroll_cursor_fetch - fetch some rows from a cursor

CONTENTS

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 cursors plan was not created with the CURSOR_OPT_SCROLL option.

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PostgreSQL 9.5.2 SPI_SCROLL_CURSOR_FETCH (3) 2016

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