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MDEV-10411 Providing compatibility for basic PL/SQL constructs

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Part 7: variable declarations
This commit is contained in:
Alexander Barkov
2016-08-10 15:39:07 +04:00
parent e399949bfe
commit a44e90ae05
5 changed files with 272 additions and 21 deletions
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98
mysql-test/suite/compat/oracle/r/sp.result
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@ -252,3 +252,101 @@ CREATE TABLE begin (begin INT);
DROP TABLE begin;
CREATE TABLE end (end INT);
DROP TABLE end;
# Testing top-level declarations
CREATE PROCEDURE p1 (p1 OUT VARCHAR2(10))
AS
p2 VARCHAR(10);
BEGIN
p2:='p1new';
p1:=p2;
END;
/
SET @p1='p1';
CALL p1(@p1);
SELECT @p1;
@p1
p1new
DROP PROCEDURE p1;
CREATE FUNCTION f1 (p1 VARCHAR2(10)) RETURNS VARCHAR(20)
AS
p2 VARCHAR(10);
BEGIN
p2:='new';
RETURN CONCAT(p1, p2);
END;
/
SET @p1='p1';
SELECT f1(@p1);
f1(@p1)
p1new
DROP FUNCTION f1;
# Testing non-top declarations
CREATE PROCEDURE p1 (p1 OUT VARCHAR2(10))
AS
BEGIN
DECLARE
p2 VARCHAR(10);
BEGIN
p2:='p1new';
p1:=p2;
END;
DECLARE
t1 VARCHAR(10);
t2 VARCHAR(10);
BEGIN
END;
END;
/
SET @p1='p1';
CALL p1(@p1);
SELECT @p1;
@p1
p1new
DROP PROCEDURE p1;
CREATE FUNCTION f1 (p1 VARCHAR2(10)) RETURNS VARCHAR(20)
AS
BEGIN
DECLARE
p2 VARCHAR(10);
BEGIN
p2:='new';
RETURN CONCAT(p1, p2);
END;
DECLARE
t1 VARCHAR(10);
t2 VARCHAR(10);
BEGIN
END;
END;
/
SET @p1='p1';
SELECT f1(@p1);
f1(@p1)
p1new
DROP FUNCTION f1;
# Testing BEGIN NOT ATOMIC with no declarations
BEGIN NOT ATOMIC
SELECT 1 AS a;
END
/
a
1
# Testing BEGIN NOT ATOMIC with declarations
# DECLARE starts a new block and thus must be followed by BEGIN .. END
BEGIN NOT ATOMIC
DECLARE
i INT DEFAULT 5;
x INT DEFAULT 10;
BEGIN
<<label>>
WHILE i > 3 DO
i:= i - 1;
SELECT i;
END WHILE label;
END;
END
/
i
4
i
3