ASA SQL Reference
  SQL Statements

CLOSE statement [ESQL] [SP]

Description 

Use this statement to close a cursor.

Syntax 

CLOSE cursor-name

cursor-name : identifier | hostvar

Usage 

This statement closes the named cursor.

Permissions 

The cursor must have been previously opened.

Side effects 

None.

See also 

OPEN statement [ESQL] [SP]

DECLARE CURSOR statement [ESQL] [SP]

PREPARE statement [ESQL]

Standards and compatibility 

• SQL/92    Entry-level feature.

• SQL/99    Core feature.

• Sybase    Supported by Adaptive Server Enterprise.

Example 

The following examples close cursors in embedded SQL.

EXEC SQL CLOSE employee_cursor;
EXEC SQL CLOSE :cursor_var;

The following procedure 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 company_name, CAST(    sum(sales_order_items.quantity *
   product.unit_price) AS INTEGER) VALUE
   FROM customer
   LEFT OUTER JOIN sales_order
   LEFT OUTER JOIN sales_order_items
   LEFT OUTER JOIN product
   GROUP BY company_name;
   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