-- source include/have_debug.inc

SET sql_mode=ORACLE;

--echo #
--echo # MDEV-20667 Server crash on pop_cursor
--echo #

DELIMITER  //;
CREATE PROCEDURE p1() IS
BEGIN
  IF 1=2 THEN
    BEGIN
      DECLARE
        CURSOR cur1 IS SELECT a FROM t1 ;
      BEGIN
        GOTO iac_err;
      END;
    END;
  END IF;
  IF 1=1 THEN
    GOTO iac_err;
  END IF;
<< iac_err >>
  RETURN;
END//
DELIMITER ;//
SHOW PROCEDURE CODE p1;
DROP PROCEDURE p1;


DELIMITER //;
CREATE PROCEDURE p1() IS
BEGIN
  IF 1=2 THEN
    BEGIN
      DECLARE
        CURSOR cur1 IS SELECT a FROM t1 ;
      BEGIN
        GOTO iac_err;
      END;
    END;
  END IF;
  IF 1=1 THEN
    GOTO iac_err;
  END IF;
<< iac_err >>
  RETURN ;
END//
DELIMITER ;//
SHOW PROCEDURE CODE p1;
DROP PROCEDURE p1;


DELIMITER //;
CREATE PROCEDURE p1() IS
BEGIN
  IF 1=2 THEN
    BEGIN
      DECLARE
        CURSOR cur1 IS SELECT a FROM t1 ;
      BEGIN
        GOTO iac_err;
      END;
    END;
  END IF;
  GOTO iac_err;
<< iac_err >>
  RETURN ;
END//
DELIMITER ;//
SHOW PROCEDURE CODE p1;
DROP PROCEDURE p1;


DELIMITER //;
CREATE PROCEDURE p1() IS
BEGIN
  IF 1=1 THEN
    DECLARE
      CURSOR cur2 IS SELECT 'cur2' FROM DUAL;
    BEGIN
      SELECT 'cur2';
      IF 1=1 THEN
        DECLARE
          CURSOR cur3 IS SELECT 'cur3' FROM DUAL;
        BEGIN
          SELECT 'cur3';
          IF 1=1 THEN
            DECLARE
              CURSOR cur4 IS SELECT 'cur4' FROM DUAL;
            BEGIN
              SELECT 'cur4';
              GOTO ret;
            END;
          END IF;
          GOTO ret;
        END;
      END IF;
      GOTO ret;
    END;
  END IF;
<<ret>>
  RETURN;
END;
//
DELIMITER ;//
SHOW PROCEDURE CODE p1;
DROP PROCEDURE p1;


DELIMITER //;
CREATE PROCEDURE p1(lab VARCHAR(32)) IS
BEGIN
  IF 1=1 THEN
    DECLARE
      CURSOR cur2 IS SELECT 'cur2' FROM DUAL;
    BEGIN
      IF 1=1 THEN
        DECLARE
          CURSOR cur3 IS SELECT 'cur3' FROM DUAL;
        BEGIN
          IF 1=1 THEN
            DECLARE
              CURSOR cur4 IS SELECT 'cur4' FROM DUAL;
            BEGIN
              IF lab = 'cur4' THEN
                SELECT 'goto from cur4' AS comment;
                GOTO ret;
              END IF;
            END;
          END IF;
          IF lab = 'cur3' THEN
            SELECT 'goto from cur3' AS comment;
            GOTO ret;
          END IF;
        END;
      END IF;
      IF lab = 'cur2' THEN
        SELECT 'goto from cur2' AS comment;
        GOTO ret;
      END IF;
    END;
  END IF;
<<ret>>
  RETURN;
END;
//
DELIMITER ;//
SHOW PROCEDURE CODE p1;
CALL p1('');
CALL p1('cur2');
CALL p1('cur3');
CALL p1('cur4');
DROP PROCEDURE p1;


DELIMITER //;
CREATE PROCEDURE p1() IS 
BEGIN 
  IF 1=2 THEN 
    BEGIN 
      DECLARE
        CONTINUE HANDLER FOR SQLSTATE '23000' SET @x2 = 1;
      BEGIN
        GOTO iac_err;
      END; 
    END; 
  END IF; 
  IF 1=1 THEN
    GOTO iac_err;
  END IF; 
<<iac_err >>
  RETURN; 
END//
DELIMITER ;//
SHOW PROCEDURE CODE p1;
DROP PROCEDURE p1;