MOVE

Positions a cursor.

Synopsis

MOVE [ <forward_direction> {FROM | IN} ] <cursorname>

where forward_direction can be empty or one of:

    NEXT
    FIRST
    LAST
    ABSOLUTE <count>
    RELATIVE <count>
    <count>
    ALL
    FORWARD
    FORWARD <count>
    FORWARD ALL

Description

MOVE repositions a cursor without retrieving any data. MOVE works exactly like the FETCH command, except it only positions the cursor and does not return rows.

Note that it is not possible to move a cursor position backwards in Greenplum Database, since scrollable cursors are not supported. You can only move a cursor forward in position using MOVE.

Outputs

On successful completion, a MOVE command returns a command tag of the form

MOVE <count>

The count is the number of rows that a FETCH command with the same parameters would have returned (possibly zero).

Parameters

forward_direction
See FETCH for more information.
cursorname
The name of an open cursor.

Examples

-- Start the transaction:

BEGIN;

-- Set up a cursor:

DECLARE mycursor CURSOR FOR SELECT * FROM films;

-- Move forward 5 rows in the cursor mycursor:

MOVE FORWARD 5 IN mycursor;
MOVE 5

--Fetch the next row after that (row 6):

FETCH 1 FROM mycursor;
 code  | title  | did | date_prod  |  kind  |  len
-------+--------+-----+------------+--------+-------
 P_303 | 48 Hrs | 103 | 1982-10-22 | Action | 01:37
(1 row)

-- Close the cursor and end the transaction:

CLOSE mycursor;
COMMIT;

Compatibility

There is no MOVE statement in the SQL standard.

See Also

DECLARE, FETCH, CLOSE

Parent topic: SQL Command Reference

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