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MDEV-10411 Providing compatibility for basic PL/SQL constructs

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- Part 9: EXCEPTION handlers

  The top-most stored routine blocks now support EXCEPTION clause
  in its correct place:
  AS [ declarations ]
  BEGIN statements
  [ EXCEPTION exceptions ]
  END

  Inner block will be done in a separate commit.

- Part 14: IN OUT instead of INOUT (in SP parameter declarations)
This commit is contained in:
Alexander Barkov
2016-08-15 16:25:27 +04:00
parent 0040b0f380
commit 81ba971d03
9 changed files with 493 additions and 11 deletions
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178
mysql-test/suite/compat/oracle/r/sp-code.result Normal file
View File

@ -0,0 +1,178 @@
SET sql_mode=ORACLE;
# No HANDLER declarations, no exceptions
CREATE FUNCTION f1 RETURN INT
AS
BEGIN
RETURN 10;
END;
/
SHOW FUNCTION CODE f1;
Pos Instruction
0 freturn 3 10
SELECT f1();
f1()
10
DROP FUNCTION f1;
# No HANDLER declarations, no code, no exceptions
CREATE PROCEDURE p1 ()
IS
BEGIN
END;
/
SHOW PROCEDURE CODE p1;
Pos Instruction
0 jump 3
CALL p1;
DROP PROCEDURE p1;
# No HANDLER declarations, no code, some exceptions
CREATE PROCEDURE p1 (v IN OUT INT)
IS
BEGIN
EXCEPTION
WHEN 1002 THEN v:=225;
END;
/
SHOW PROCEDURE CODE p1;
Pos Instruction
0 jump 1
1 hpush_jump 4 1 EXIT
2 set v@0 225
3 hreturn 0 4
4 hpop 1
set @v= 10;
CALL p1(@v);
SELECT @v;
@v
10
DROP PROCEDURE p1;
# No HANDLER declarations, some code, some exceptions
CREATE PROCEDURE p1 (v IN OUT INT)
IS
BEGIN
v:=224;
EXCEPTION
WHEN 1002 THEN v:=225;
END;
/
SHOW PROCEDURE CODE p1;
Pos Instruction
0 jump 3
1 set v@0 224
2 jump 6
3 hpush_jump 1 1 EXIT
4 set v@0 225
5 hreturn 0 6
6 hpop 1
set @v= 10;
CALL p1(@v);
SELECT @v;
@v
224
DROP PROCEDURE p1;
# Some HANDLER declarations, no code, no exceptions
CREATE PROCEDURE p1 (v IN OUT INT)
IS
EXIT HANDLER FOR 1000
BEGIN
v:=123;
END;
BEGIN
EXCEPTION
WHEN 1002 THEN v:=225;
END;
/
SHOW PROCEDURE CODE p1;
Pos Instruction
0 hpush_jump 3 1 EXIT
1 set v@0 123
2 hreturn 0 6
3 hpush_jump 6 1 EXIT
4 set v@0 225
5 hreturn 0 6
6 hpop 2
set @v= 10;
CALL p1(@v);
SELECT @v;
@v
10
DROP PROCEDURE p1;
# Some HANDLER declarations, no code, some exceptions
CREATE PROCEDURE p1 (v IN OUT INT)
IS
EXIT HANDLER FOR 1000
BEGIN
v:=123;
END;
BEGIN
END;
/
SHOW PROCEDURE CODE p1;
Pos Instruction
0 hpush_jump 3 1 EXIT
1 set v@0 123
2 hreturn 0 3
3 hpop 1
set @v= 10;
CALL p1(@v);
SELECT @v;
@v
10
DROP PROCEDURE p1;
# Some HANDLER declarations, some code, no exceptions
CREATE PROCEDURE p1 (v IN OUT INT)
IS
EXIT HANDLER FOR 1000
BEGIN
v:=123;
END;
BEGIN
v:=223;
END;
/
SHOW PROCEDURE CODE p1;
Pos Instruction
0 hpush_jump 3 1 EXIT
1 set v@0 123
2 hreturn 0 5
3 set v@0 223
4 jump 5
5 hpop 1
set @v= 10;
CALL p1(@v);
SELECT @v;
@v
223
DROP PROCEDURE p1;
# Some HANDLER declarations, some code, some exceptions
CREATE PROCEDURE p1 (v IN OUT VARCHAR2(20))
IS
EXIT HANDLER FOR 1000
BEGIN
v:=123;
END;
CONTINUE HANDLER FOR 1001
BEGIN
SET v=223;
END;
BEGIN
v:= 1;
EXCEPTION
WHEN 1002 THEN SET v=225;
END;
/
SHOW PROCEDURE CODE p1;
Pos Instruction
0 hpush_jump 3 1 EXIT
1 set v@0 123
2 hreturn 0 12
3 hpush_jump 8 1 CONTINUE
4 set v@0 223
5 hreturn 1
6 set v@0 1
7 jump 12
8 hpush_jump 6 1 EXIT
9 set v@0 225
10 hreturn 0 12
11 jump 6
12 hpop 3
DROP PROCEDURE p1;