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MDEV-10578 sql_mode=ORACLE: SP control functions SQLCODE, SQLERRM
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Alexander Barkov
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Apr 5, 2017
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SET sql_mode=ORACLE; | ||
# | ||
# MDEV-10578 sql_mode=ORACLE: SP control functions SQLCODE, SQLERRM | ||
# | ||
# | ||
# Using SQLCODE and SQLERRM outside of an SP | ||
# | ||
SELECT SQLCODE; | ||
ERROR 42S22: Unknown column 'SQLCODE' in 'field list' | ||
SELECT SQLERRM; | ||
ERROR 42S22: Unknown column 'SQLERRM' in 'field list' | ||
CREATE TABLE t1 (SQLCODE INT, SQLERRM VARCHAR(10)); | ||
INSERT INTO t1 VALUES (10, 'test'); | ||
SELECT SQLCODE, SQLERRM FROM t1; | ||
SQLCODE SQLERRM | ||
10 test | ||
DROP TABLE t1; | ||
# | ||
# Normal SQLCODE and SQLERRM usage | ||
# | ||
CREATE PROCEDURE p1(stmt VARCHAR) | ||
AS | ||
BEGIN | ||
EXECUTE IMMEDIATE stmt; | ||
SELECT 'Error1: ' || SQLCODE || ' ' || SQLERRM; | ||
EXCEPTION | ||
WHEN OTHERS THEN | ||
SELECT 'Error2: ' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
CALL p1('SELECT 1'); | ||
1 | ||
1 | ||
'Error1: ' || SQLCODE || ' ' || SQLERRM | ||
Error1: 0 normal, successful completition | ||
CALL p1('xxx'); | ||
'Error2: ' || SQLCODE || ' ' || SQLERRM | ||
Error2: 1193 Unknown system variable 'xxx' | ||
CALL p1('SELECT 1'); | ||
1 | ||
1 | ||
'Error1: ' || SQLCODE || ' ' || SQLERRM | ||
Error1: 0 normal, successful completition | ||
DROP PROCEDURE p1; | ||
# | ||
# SQLCODE and SQLERRM hidden by local variables | ||
# | ||
CREATE PROCEDURE p1() | ||
AS | ||
sqlcode INT:= 10; | ||
sqlerrm VARCHAR(64) := 'test'; | ||
BEGIN | ||
SELECT 'Error: ' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
CALL p1; | ||
'Error: ' || SQLCODE || ' ' || SQLERRM | ||
Error: 10 test | ||
DROP PROCEDURE p1; | ||
CREATE PROCEDURE p1() | ||
AS | ||
sqlcode INT; | ||
sqlerrm VARCHAR(64); | ||
BEGIN | ||
SQLCODE:= 10; | ||
sqlerrm:= 'test'; | ||
SELECT 'Error: ' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
CALL p1; | ||
'Error: ' || SQLCODE || ' ' || SQLERRM | ||
Error: 10 test | ||
DROP PROCEDURE p1; | ||
# | ||
# SQLCODE and SQLERRM hidden by parameters | ||
# | ||
CREATE PROCEDURE p1(sqlcode INT, sqlerrm VARCHAR) | ||
AS | ||
BEGIN | ||
SELECT 'Error: ' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
CALL p1(10, 'test'); | ||
'Error: ' || SQLCODE || ' ' || SQLERRM | ||
Error: 10 test | ||
DROP PROCEDURE p1; | ||
# | ||
# SQLCODE and SQLERRM in CREATE..SELECT | ||
# | ||
CREATE PROCEDURE p1 | ||
AS | ||
BEGIN | ||
CREATE TABLE t1 AS SELECT SQLCODE, SQLERRM; | ||
END; | ||
$$ | ||
CALL p1; | ||
SHOW CREATE TABLE t1; | ||
Table Create Table | ||
t1 CREATE TABLE "t1" ( | ||
"SQLCODE" int(11) NOT NULL, | ||
"SQLERRM" varchar(512) CHARACTER SET utf8 NOT NULL | ||
) | ||
DROP TABLE t1; | ||
DROP PROCEDURE p1; | ||
# | ||
# SQLCODE and SQLERRM in EXPLAIN EXTENDED SELECT | ||
# | ||
CREATE PROCEDURE p1 | ||
AS | ||
BEGIN | ||
EXPLAIN EXTENDED SELECT SQLCode, SQLErrm; | ||
END; | ||
$$ | ||
CALL p1; | ||
id select_type table type possible_keys key key_len ref rows filtered Extra | ||
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used | ||
Warnings: | ||
Note 1003 select SQLCODE AS "SQLCode",SQLERRM AS "SQLErrm" | ||
DROP PROCEDURE p1; | ||
# | ||
# Warning-alike errors in stored functions | ||
# | ||
CREATE TABLE t1 (a INT); | ||
CREATE FUNCTION f1 RETURN VARCHAR | ||
AS | ||
a INT; | ||
BEGIN | ||
SELECT a INTO a FROM t1; | ||
RETURN 'No exception ' || SQLCODE || ' ' || SQLERRM; | ||
EXCEPTION | ||
WHEN NO_DATA_FOUND THEN | ||
RETURN 'Exception ' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
SELECT f1() FROM DUAL; | ||
f1() | ||
Exception 1329 No data - zero rows fetched, selected, or processed | ||
DROP FUNCTION f1; | ||
DROP TABLE t1; | ||
CREATE TABLE t1 (a INT); | ||
CREATE FUNCTION f1 RETURN VARCHAR | ||
AS | ||
a INT; | ||
BEGIN | ||
SELECT a INTO a FROM t1; | ||
RETURN 'No exception ' || SQLCODE || ' ' || SQLERRM; | ||
EXCEPTION | ||
WHEN OTHERS THEN | ||
RETURN 'Exception ' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
SELECT f1() FROM DUAL; | ||
f1() | ||
Exception 1329 No data - zero rows fetched, selected, or processed | ||
DROP FUNCTION f1; | ||
DROP TABLE t1; | ||
# | ||
# Warning-alike errors in stored procedures | ||
# | ||
CREATE TABLE t1 (a INT); | ||
CREATE PROCEDURE p1(res OUT VARCHAR) | ||
AS | ||
a INT; | ||
BEGIN | ||
SELECT a INTO a FROM t1; | ||
res:= 'No exception ' || SQLCODE || ' ' || SQLERRM; | ||
EXCEPTION | ||
WHEN NO_DATA_FOUND THEN | ||
res:= 'Exception ' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
CALL p1(@a); | ||
SELECT @a; | ||
@a | ||
Exception 1329 No data - zero rows fetched, selected, or processed | ||
DROP PROCEDURE p1; | ||
DROP TABLE t1; | ||
CREATE TABLE t1 (a INT); | ||
CREATE PROCEDURE p1(res OUT VARCHAR) | ||
AS | ||
a INT; | ||
BEGIN | ||
SELECT a INTO a FROM t1; | ||
res:= 'No exception ' || SQLCODE || ' ' || SQLERRM; | ||
EXCEPTION | ||
WHEN OTHERS THEN | ||
res:= 'Exception ' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
CALL p1(@a); | ||
SELECT @a; | ||
@a | ||
Exception 1329 No data - zero rows fetched, selected, or processed | ||
DROP PROCEDURE p1; | ||
DROP TABLE t1; | ||
# | ||
# SQLCODE and SQLERRM are cleared on RETURN | ||
# | ||
CREATE TABLE t1 (a INT); | ||
CREATE FUNCTION f1 RETURN VARCHAR | ||
AS | ||
a INT:=10; | ||
BEGIN | ||
SELECT a INTO a FROM t1; | ||
RETURN 'Value=' || a; | ||
EXCEPTION | ||
WHEN NO_DATA_FOUND THEN RETURN 'Exception|' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
CREATE FUNCTION f2 RETURN VARCHAR | ||
AS | ||
a VARCHAR(128); | ||
BEGIN | ||
RETURN f1() || '|' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
SELECT f1() FROM DUAL; | ||
f1() | ||
Exception|1329 No data - zero rows fetched, selected, or processed | ||
SELECT f2() FROM DUAL; | ||
f2() | ||
Exception|1329 No data - zero rows fetched, selected, or processed|0 normal, successful completition | ||
DROP TABLE t1; | ||
DROP FUNCTION f2; | ||
DROP FUNCTION f1; | ||
CREATE TABLE t1 (a INT); | ||
CREATE FUNCTION f1 RETURN VARCHAR | ||
AS | ||
a INT:=10; | ||
BEGIN | ||
SELECT a INTO a FROM t1; | ||
RETURN 'Value=' || a; | ||
EXCEPTION | ||
WHEN OTHERS THEN RETURN 'Exception|' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
CREATE FUNCTION f2 RETURN VARCHAR | ||
AS | ||
a VARCHAR(128); | ||
BEGIN | ||
RETURN f1() || '|' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
SELECT f1() FROM DUAL; | ||
f1() | ||
Exception|1329 No data - zero rows fetched, selected, or processed | ||
SELECT f2() FROM DUAL; | ||
f2() | ||
Exception|1329 No data - zero rows fetched, selected, or processed|0 normal, successful completition | ||
DROP TABLE t1; | ||
DROP FUNCTION f2; | ||
DROP FUNCTION f1; | ||
# | ||
# SQLCODE and SQLERRM are cleared on a return from a PROCEDURE | ||
# | ||
CREATE TABLE t1 (a INT); | ||
CREATE PROCEDURE p1(res OUT VARCHAR) | ||
AS | ||
a INT:=10; | ||
BEGIN | ||
SELECT a INTO a FROM t1; | ||
res:='Value=' || a; | ||
EXCEPTION | ||
WHEN NO_DATA_FOUND THEN res:='Exception|' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
CREATE FUNCTION f2 RETURN VARCHAR | ||
AS | ||
res VARCHAR(128); | ||
BEGIN | ||
CALL p1(res); | ||
RETURN res || '|' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
SELECT f2() FROM DUAL; | ||
f2() | ||
Exception|1329 No data - zero rows fetched, selected, or processed|0 normal, successful completition | ||
DROP FUNCTION f2; | ||
DROP PROCEDURE p1; | ||
DROP TABLE t1; | ||
CREATE TABLE t1 (a INT); | ||
CREATE PROCEDURE p1(res OUT VARCHAR) | ||
AS | ||
a INT:=10; | ||
BEGIN | ||
SELECT a INTO a FROM t1; | ||
res:='Value=' || a; | ||
EXCEPTION | ||
WHEN OTHERS THEN res:='Exception|' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
CREATE FUNCTION f2 RETURN VARCHAR | ||
AS | ||
res VARCHAR(128); | ||
BEGIN | ||
CALL p1(res); | ||
RETURN res || '|' || SQLCODE || ' ' || SQLERRM; | ||
END; | ||
$$ | ||
SELECT f2() FROM DUAL; | ||
f2() | ||
Exception|1329 No data - zero rows fetched, selected, or processed|0 normal, successful completition | ||
DROP FUNCTION f2; | ||
DROP PROCEDURE p1; | ||
DROP TABLE t1; | ||
# | ||
# End of MDEV-10578 sql_mode=ORACLE: SP control functions SQLCODE, SQLERRM | ||
# |
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