MaxScale/query_classifier/test/oracle/sp-cursor-decl.test

SET sql_mode=ORACLE;

--echo #
--echo # MDEV-10598 sql_mode=ORACLE: Variable declarations can go after cursor declarations
--echo #

--echo #
--echo # Variable after cursor declaration
--echo #

CREATE TABLE t1 (a INT);
insert into t1 values (1);
insert into t1 values (2);
DELIMITER $$;
CREATE PROCEDURE p1
AS
  CURSOR c IS SELECT a FROM t1;
  var1 varchar(10);
BEGIN
  OPEN c;
  fetch c into var1;
  SELECT c%ROWCOUNT,var1;
  close c;
END;
$$
DELIMITER ;$$
CALL p1;
DROP PROCEDURE p1;
drop table t1;

--echo #
--echo # Variable after condition declaration
--echo #

CREATE TABLE t1 (col1 INT);
insert into t1 values (1);
create unique index t1_col1 on t1 (col1);
DELIMITER $$;
CREATE PROCEDURE p1
AS
  dup_key CONDITION FOR SQLSTATE '23000';
  var1 varchar(40);
  CONTINUE HANDLER FOR dup_key
  BEGIN
    var1:='duplicate key in index';
  END;
BEGIN
  var1:='';
  insert into t1 values (1);
  select var1;
END;
$$
DELIMITER ;$$
CALL p1;
DROP PROCEDURE p1;
drop table t1;

--echo #
--echo # Condition after cursor declaration
--echo #

CREATE TABLE t1 (col1 INT);
insert into t1 values (1);
create unique index t1_col1 on t1 (col1);
DELIMITER $$;
CREATE PROCEDURE p1
AS
  var1 varchar(40);
  var2 integer;
  CURSOR c IS SELECT col1 FROM t1;
  dup_key CONDITION FOR SQLSTATE '23000';
  CONTINUE HANDLER FOR dup_key
  BEGIN
    var1:='duplicate key in index';
  END;
BEGIN
  var1:='';
  insert into t1 values (1);
  SELECT var1;
END;
$$
DELIMITER ;$$
CALL p1;
DROP PROCEDURE p1;
drop table t1;

--echo #
--echo # Cursor after handler declaration
--echo #

CREATE TABLE t1 (col1 INT);
insert into t1 values (1);
create unique index t1_col1 on t1 (col1);
DELIMITER $$;
--error ER_PARSE_ERROR
CREATE PROCEDURE p1
AS
  var1 varchar(40);
  var2 integer;
  dup_key CONDITION FOR SQLSTATE '23000';
  CONTINUE HANDLER FOR dup_key
  BEGIN
    var1:='duplicate key in index';
  END;
  CURSOR c IS SELECT col1 FROM t1;
BEGIN
  var1:='';
  insert into t1 values (1);
  SELECT var1;
END;
$$
DELIMITER ;$$
drop table t1;

--echo #
--echo # Condition after handler declaration
--echo #

CREATE TABLE t1 (col1 INT);
insert into t1 values (1);
create unique index t1_col1 on t1 (col1);
DELIMITER $$;
--error ER_PARSE_ERROR
CREATE PROCEDURE p1
AS
  var1 varchar(40);
  var2 integer;
  dup_key CONDITION FOR SQLSTATE '23000';
  CURSOR c IS SELECT col1 FROM t1;
  CONTINUE HANDLER FOR dup_key
  BEGIN
    var1:='duplicate key in index';
  END;
  divide_by_zero CONDITION FOR SQLSTATE '22012';
BEGIN
  var1:='';
  insert into t1 values (1);
  SELECT var1;
END;
$$
DELIMITER ;$$
drop table t1;

--echo #
--echo # Variable after handler declaration
--echo #

CREATE TABLE t1 (col1 INT);
insert into t1 values (1);
create unique index t1_col1 on t1 (col1);
DELIMITER $$;
--error ER_PARSE_ERROR
CREATE PROCEDURE p1
AS
  var1 varchar(40);
  var2 integer;
  dup_key CONDITION FOR SQLSTATE '23000';
  CURSOR c IS SELECT col1 FROM t1;
  CONTINUE HANDLER FOR dup_key
  BEGIN
    var1:='duplicate key in index';
  END;
  divide_by_zero CONDITION FOR SQLSTATE '22012';
BEGIN
  var1:='';
  insert into t1 values (1);
  SELECT var1;
END;
$$
DELIMITER ;$$
drop table t1;

--echo #
--echo # Variable after cursor (inner block)
--echo #

CREATE TABLE t1 (col1 INT);
insert into t1 values (1);
insert into t1 values (2);
create unique index t1_col1 on t1 (col1);
DELIMITER $$;
CREATE PROCEDURE p1
AS
  CURSOR c IS SELECT col1 FROM t1;
  var1 varchar(40);
BEGIN
  OPEN c;
  begin
    declare
      CURSOR c IS SELECT col1 FROM t1 where col1=2;
      var2 integer;
      dup_key CONDITION FOR SQLSTATE '23000';
      CONTINUE HANDLER FOR dup_key
      BEGIN
        var1:='duplicate key in index';
      END;
    begin
      OPEN c;
      fetch c into var1;
      SELECT 'inner cursor',var1;
      insert into t1 values (2);
      close c;
    end;
  end;
  SELECT var1;
  fetch c into var1;
  SELECT c%ROWCOUNT,var1;
  begin
    insert into t1 values (2);
  exception when 1062 then
    begin
      SELECT 'dup key caugth';
    end;
  end;
  close c;
END;
$$
DELIMITER ;$$
CALL p1;
DROP PROCEDURE p1;
drop table t1;

--echo #
--echo # Cursor declaration and row type declaration in same block
--echo #

CREATE TABLE t1 (a INT, b VARCHAR(10));
insert into t1 values(1,'a');
delimiter $$;
CREATE PROCEDURE p1()
AS
  CURSOR cur1 IS SELECT a FROM t1;
  rec1 cur1%ROWTYPE;
BEGIN
  rec1.a:= 10;
END;
$$
delimiter ;$$
call p1;
DROP PROCEDURE p1;
drop table t1;


--echo #
--echo # Recursive cursor and cursor%ROWTYPE declarations in the same block
--echo #

delimiter $$;
CREATE PROCEDURE p1
AS
  a INT:=10;
  b VARCHAR(10):='b0';
  c DOUBLE:=0.1;
  CURSOR cur1 IS SELECT a, b, c;
  rec1 cur1%ROWTYPE;
  CURSOR cur2 IS SELECT rec1.a + 1 "a", rec1.b||'0' AS b, rec1.c AS c;
  rec2 cur2%ROWTYPE;
BEGIN
  OPEN cur1;
  FETCH cur1 INTO rec1;
  CLOSE cur1;
  SELECT rec1.a;
  OPEN cur2;
  FETCH cur2 INTO rec2;
  CLOSE cur2;
  SELECT rec2.a;
  CREATE TABLE t2 AS SELECT rec2.a AS a, rec2.b AS b, rec2.c AS c;
  SHOW CREATE TABLE t2;
  DROP TABLE t2;
END;
$$
DELIMITER ;$$
CALL p1();
DROP PROCEDURE p1;


--echo #
--echo # MDEV-12916 Wrong column data type for an INT field of a cursor-anchored ROW variable
--echo #

DELIMITER $$;
CREATE PROCEDURE p1
AS
  a INT DEFAULT 10;
  CURSOR cur1 IS SELECT a;
  rec1 cur1%ROWTYPE;
BEGIN
  CREATE TABLE t1 AS SELECT rec1.a;
  SHOW CREATE TABLE t1;
  DROP TABLE t1;
END;
$$
DELIMITER ;$$
CALL p1();
DROP PROCEDURE p1;