CLOSE statement [ESQL] [SP]

Description

Closes a cursor.

Syntax

CLOSE cursor-name

Parameters

Examples

Example 1

Close cursors in Embedded SQL:

EXEC SQL CLOSE employee_cursor;
EXEC SQL CLOSE :cursor_var;

Example 2

Uses a cursor:

CREATE PROCEDURE TopCustomer (OUT TopCompany CHAR(35), OUT TopValue INT)
BEGIN
  DECLARE err_notfound EXCEPTION
  FOR SQLSTATE '02000' ;
  DECLARE curThisCust CURSOR FOR
    SELECT CompanyName, 
      CAST( 	  sum(SalesOrderItems.Quantity *
      Products.UnitPrice) AS INTEGER) VALUE
    FROM Customers
    LEFT OUTER JOIN SalesOrders
    LEFT OUTER JOIN SalesOrderItems
    LEFT OUTER JOIN Products
  GROUP BY CompanyName ;
  DECLARE ThisValue INT ;
  DECLARE ThisCompany CHAR(35) ;
  SET TopValue = 0 ;
  OPEN curThisCust ;
  CustomerLoop:
  LOOP
    FETCH NEXT curThisCust
    INTO ThisCompany, ThisValue ;
    IF SQLSTATE = err_notfound THEN
      LEAVE CustomerLoop ;
    END IF ;
    IF ThisValue > TopValue THEN
      SET TopValue = ThisValue ;
      SET TopCompany = ThisCompany ;
      END IF ;
   END LOOP CustomerLoop ;
   CLOSE curThisCust ;
END

Usage

This statement closes the named cursor.

None.

Standards

Permissions

The cursor must have been previously opened.

See also