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mariadb/mysql-test/suite/compat/oracle/r/sp.result
Alexander Barkov 4bb87996b9 DEV-10583 sql_mode=ORACLE: SQL%ROWCOUNT 
Fixed that EXPLAIN EXTENDED erroneously returned
"SQL%%ROWCOUNT" instead of "SQL%ROWCOUNT"
2017-04-05 15:02:51 +04:00

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SET sql_mode=ORACLE;
# Testing routines with no parameters
CREATE FUNCTION f1 RETURN INT
AS
BEGIN
RETURN 10;
END;
/
SHOW CREATE FUNCTION f1;
Function f1
sql_mode PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER
Create Function CREATE DEFINER="root"@"localhost" FUNCTION "f1"() RETURN int(11)
AS
BEGIN
RETURN 10;
END
character_set_client latin1
collation_connection latin1_swedish_ci
Database Collation latin1_swedish_ci
SELECT f1();
f1()
10
DROP FUNCTION f1;
CREATE PROCEDURE p1
AS
BEGIN
SET @a=10;
END;
/
SHOW CREATE PROCEDURE p1;
Procedure p1
sql_mode PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER
Create Procedure CREATE DEFINER="root"@"localhost" PROCEDURE "p1"()
AS
BEGIN
SET @a=10;
END
character_set_client latin1
collation_connection latin1_swedish_ci
Database Collation latin1_swedish_ci
SET @a=0;
CALL p1();
SELECT @a;
@a
10
DROP PROCEDURE p1;
# Testing ":=" to set the default value of a variable
CREATE FUNCTION f1 () RETURN NUMBER(10) AS
a NUMBER(10) := 10;
BEGIN
DECLARE
b NUMBER(10) DEFAULT 3;
BEGIN
RETURN a+b;
END;
END;
/
SELECT f1();
f1()
13
DROP FUNCTION f1;
# Testing labels
CREATE FUNCTION f1 (a INT) RETURN CLOB AS
BEGIN
<<label1>>
BEGIN
IF a = 1 THEN
LEAVE label1;
END IF;
RETURN 'IS NOT 1';
END label1;
RETURN 'IS 1';
END;
/
SELECT f1(1);
f1(1)
IS 1
SELECT f1(2);
f1(2)
IS NOT 1
DROP FUNCTION f1;
CREATE FUNCTION f1 (a INT) RETURN INT IS
BEGIN
<<label1>>
LOOP
IF a = 2 THEN
LEAVE label1;
END IF;
SET a= a-1;
END LOOP;
RETURN a;
END;
/
SELECT f1(4);
f1(4)
2
DROP FUNCTION f1;
CREATE FUNCTION f1 (a INT) RETURN INT AS
BEGIN
<<label1>>
WHILE a>0 LOOP
IF a = 2 THEN
LEAVE label1;
END IF;
SET a= a-1;
END LOOP label1;
RETURN a;
END;
/
SELECT f1(4);
f1(4)
2
DROP FUNCTION f1;
CREATE FUNCTION f1 (a INT) RETURN INT AS
BEGIN
<<label1>>
REPEAT
IF a = 2 THEN
LEAVE label1;
END IF;
SET a= a-1;
UNTIL a=0 END REPEAT;
RETURN a;
END;
/
SELECT f1(4);
f1(4)
2
DROP FUNCTION f1;
# Testing IN/OUT/INOUT
CREATE PROCEDURE p1 (p1 IN VARCHAR2(10), p2 OUT VARCHAR2(10)) AS
BEGIN
SET p1='p1new';
SET p2='p2new';
END;
/
SET @p1='p1', @p2='p2';
CALL p1(@p1, @p2);
SELECT @p1, @p2;
@p1 @p2
p1 p2new
DROP PROCEDURE p1;
# Testing Oracle-style assigment
CREATE PROCEDURE p1 (p1 OUT VARCHAR2(10)) AS
BEGIN
p1:= 'p1new';
END;
/
SET @p1='p1';
CALL p1(@p1);
SELECT @p1;
@p1
p1new
DROP PROCEDURE p1;
# Testing that NULL is a valid statement
CREATE PROCEDURE p1(a INT) AS
BEGIN
NULL;
END;
/
DROP PROCEDURE p1;
CREATE PROCEDURE p1(a INT) AS
a INT:=10;
BEGIN
IF a=10 THEN NULL; ELSE NULL; END IF;
END;
/
DROP PROCEDURE p1;
# Testing that (some) keyword_sp are allowed in Oracle-style assignments
CREATE PROCEDURE p1 (action OUT INT) AS BEGIN action:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (clob OUT INT) AS BEGIN clob:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (enum OUT INT) AS BEGIN enum:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (via OUT INT) AS BEGIN via:=10; END;/
DROP PROCEDURE p1/
# Testing keyword_directly_assignable
CREATE PROCEDURE p1 (ascii OUT INT) AS BEGIN ascii:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (backup OUT INT) AS BEGIN backup:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (binlog OUT INT) AS BEGIN binlog:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (byte OUT INT) AS BEGIN byte:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (cache OUT INT) AS BEGIN cache:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (checksum OUT INT) AS BEGIN checksum:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (checkpoint OUT INT) AS BEGIN checkpoint:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (column_add OUT INT) AS BEGIN column_add:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (column_check OUT INT) AS BEGIN column_check:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (column_create OUT INT) AS BEGIN column_create:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (column_delete OUT INT) AS BEGIN column_delete:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (column_get OUT INT) AS BEGIN column_get:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (commit OUT INT) AS BEGIN commit:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (deallocate OUT INT) AS BEGIN deallocate:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (examined OUT INT) AS BEGIN examined:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (execute OUT INT) AS BEGIN execute:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (flush OUT INT) AS BEGIN flush:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (format OUT INT) AS BEGIN format:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (get OUT INT) AS BEGIN get:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (help OUT INT) AS BEGIN help:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (host OUT INT) AS BEGIN host:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (install OUT INT) AS BEGIN install:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (option OUT INT) AS BEGIN option:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (options OUT INT) AS BEGIN options:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (owner OUT INT) AS BEGIN owner:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (parser OUT INT) AS BEGIN parser:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (port OUT INT) AS BEGIN port:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (prepare OUT INT) AS BEGIN prepare:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (remove OUT INT) AS BEGIN remove:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (reset OUT INT) AS BEGIN reset:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (restore OUT INT) AS BEGIN restore:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (rollback OUT INT) AS BEGIN rollback:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (security OUT INT) AS BEGIN security:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (server OUT INT) AS BEGIN server:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (shutdown OUT INT) AS BEGIN shutdown:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (signed OUT INT) AS BEGIN signed:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (socket OUT INT) AS BEGIN socket:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (slave OUT INT) AS BEGIN slave:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (slaves OUT INT) AS BEGIN slaves:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (soname OUT INT) AS BEGIN soname:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (start OUT INT) AS BEGIN start:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (stop OUT INT) AS BEGIN stop:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (stored OUT INT) AS BEGIN stored:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (unicode OUT INT) AS BEGIN unicode:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (uninstall OUT INT) AS BEGIN uninstall:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (upgrade OUT INT) AS BEGIN upgrade:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (wrapper OUT INT) AS BEGIN wrapper:=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (xa OUT INT) AS BEGIN xa:=10; END;/
DROP PROCEDURE p1/
# Testing that keyword_directly_not_assignable works in SET statements.
CREATE PROCEDURE p1 (contains OUT INT) AS BEGIN SET contains=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (language OUT INT) AS BEGIN SET language=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (no OUT INT) AS BEGIN SET no=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (charset OUT INT) AS BEGIN SET charset=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (do OUT INT) AS BEGIN SET do=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (repair OUT INT) AS BEGIN SET repair=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (handler OUT INT) AS BEGIN SET handler=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (open OUT INT) AS BEGIN SET open=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (close OUT INT) AS BEGIN SET close=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (savepoint OUT INT) AS BEGIN SET savepoint=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (truncate OUT INT) AS BEGIN SET truncate=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (begin OUT INT) AS BEGIN SET begin=10; END;/
DROP PROCEDURE p1/
CREATE PROCEDURE p1 (end OUT INT) AS BEGIN SET end=10; END;/
DROP PROCEDURE p1/
# Testing that keyword_directly_not_assignable works in table/column names
CREATE TABLE contains (contains INT);
DROP TABLE contains;
CREATE TABLE language (language INT);
DROP TABLE language;
CREATE TABLE no (no INT);
DROP TABLE no;
CREATE TABLE charset (charset INT);
DROP TABLE charset;
CREATE TABLE do (do INT);
DROP TABLE do;
CREATE TABLE repair (repair INT);
DROP TABLE repair;
CREATE TABLE handler (handler INT);
DROP TABLE handler;
CREATE TABLE open (open INT);
DROP TABLE open;
CREATE TABLE close (close INT);
DROP TABLE close;
CREATE TABLE savepoint (savepoint INT);
DROP TABLE savepoint;
CREATE TABLE truncate (truncate INT);
DROP TABLE truncate;
CREATE TABLE begin (begin INT);
DROP TABLE begin;
CREATE TABLE end (end INT);
DROP TABLE end;
# Testing ELSIF
CREATE FUNCTION f1(a INT) RETURN CLOB
AS
BEGIN
IF a=1 THEN RETURN 'a is 1';
ELSIF a=2 THEN RETURN 'a is 2';
ELSE RETURN 'a is unknown';
END IF;
END;
/
SELECT f1(2) FROM DUAL;
f1(2)
a is 2
DROP FUNCTION f1;
# 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)) RETURN 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)) RETURN 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 LOOP
i:= i - 1;
SELECT i;
END LOOP label;
END;
END
/
i
4
i
3
# Testing exceptions
CREATE TABLE t1 (c1 INT);
CREATE PROCEDURE sp1 (p1 IN VARCHAR2(20), p2 OUT VARCHAR2(30))
IS
v1 INT;
BEGIN
SELECT c1 INTO v1 FROM t1;
p2 := p1;
EXCEPTION
WHEN NOT FOUND THEN
BEGIN
p2 := 'def';
END;
END;
/
CALL sp1('abc', @a);
SELECT @a;
@a
def
DROP PROCEDURE sp1;
DROP TABLE t1;
CREATE PROCEDURE sp1 (v IN OUT INT, error IN INT)
IS
BEGIN
SIGNAL SQLSTATE '45000' SET MYSQL_ERRNO=error, MESSAGE_TEXT='User defined error!';
v:= 223;
EXCEPTION
WHEN 30001 THEN
BEGIN
v:= 113;
END;
END;
/
SET @v=10;
CALL sp1(@v, 30001);
CALL sp1(@v, 30002);
ERROR 45000: User defined error!
SELECT @v;
@v
113
DROP PROCEDURE sp1;
CREATE PROCEDURE sp1 (v IN OUT INT, error IN INT)
IS
BEGIN
BEGIN
BEGIN
SIGNAL SQLSTATE '45000' SET MYSQL_ERRNO=error, MESSAGE_TEXT='User defined error!';
v:= 223;
EXCEPTION
WHEN 30001 THEN
BEGIN
v:= 113;
END;
END;
END;
END;
/
SET @v=10;
CALL sp1(@v, 30001);
SELECT @v;
@v
113
SET @v=10;
CALL sp1(@v, 30002);
ERROR 45000: User defined error!
SELECT @v;
@v
10
DROP PROCEDURE sp1;
#
# Testing EXIT statement
#
CREATE FUNCTION f1 RETURN INT
IS
i INT := 0;
BEGIN
EXIT;
END;
/
ERROR 42000: EXIT with no matching label:
CREATE FUNCTION f1 RETURN INT
IS
i INT := 0;
BEGIN
<<lable1>>
BEGIN
<<label2>>
LOOP
EXIT label1;
END LOOP;
END;
END;
/
ERROR 42000: EXIT with no matching label: label1
CREATE FUNCTION f1 RETURN INT
IS
i INT := 0;
BEGIN
LOOP
LOOP
i:= i + 1;
IF i >= 5 THEN
EXIT;
END IF;
END LOOP;
i:= i + 100;
EXIT;
END LOOP;
RETURN i;
END;
/
SELECT f1() FROM DUAL;
f1()
105
DROP FUNCTION f1;
CREATE FUNCTION f1 RETURN INT
IS
i INT := 0;
BEGIN
<<label1>>
LOOP
<<label2>>
LOOP
i:= i + 1;
IF i >= 5 THEN
EXIT label2;
END IF;
END LOOP;
i:= i + 100;
EXIT;
END LOOP;
RETURN i;
END;
/
SELECT f1() FROM DUAL;
f1()
105
DROP FUNCTION f1;
CREATE FUNCTION f1 RETURN INT
IS
i INT := 0;
BEGIN
<<label1>>
LOOP
<<label2>>
LOOP
i:= i + 1;
IF i >= 5 THEN
EXIT label1;
END IF;
END LOOP;
i:= i + 100;
EXIT;
END LOOP;
RETURN i;
END;
/
SELECT f1() FROM DUAL;
f1()
5
DROP FUNCTION f1;
CREATE FUNCTION f1 RETURN INT
IS
i INT := 0;
BEGIN
LOOP
i:= i + 1;
EXIT WHEN i >=5;
END LOOP;
RETURN i;
END;
/
SELECT f1() FROM DUAL;
f1()
5
DROP FUNCTION f1;
CREATE FUNCTION f1 RETURN INT
IS
i INT := 0;
BEGIN
<<label1>>
LOOP
<<label2>>
LOOP
i:= i + 1;
EXIT label2 WHEN i >= 5;
END LOOP;
i:= i + 100;
EXIT;
END LOOP;
RETURN i;
END;
/
SELECT f1() FROM DUAL;
f1()
105
DROP FUNCTION f1;
CREATE FUNCTION f1 RETURN INT
IS
i INT := 0;
BEGIN
<<label1>>
LOOP
<<label2>>
LOOP
i:= i + 1;
EXIT label1 WHEN i >= 5;
END LOOP;
i:= i + 100;
EXIT;
END LOOP;
RETURN i;
END;
/
SELECT f1() FROM DUAL;
f1()
5
DROP FUNCTION f1;
# Testing CURSOR declaration
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1);
CREATE FUNCTION f1 RETURN INT
AS
v_a INT:=10;
CURSOR c IS SELECT a FROM t1;
BEGIN
OPEN c;
FETCH c INTO v_a;
CLOSE c;
RETURN v_a;
EXCEPTION
WHEN OTHERS THEN RETURN -1;
END;
/
SELECT f1() FROM DUAL;
f1()
1
DROP FUNCTION f1;
DROP TABLE t1;
# Testing RETURN in procedures
CREATE PROCEDURE p1 (a IN OUT INT)
AS
BEGIN
RETURN 10;
END;
/
ERROR 42000: RETURN is only allowed in a FUNCTION
CREATE FUNCTION f1 (a INT) RETURN INT
AS
BEGIN
RETURN;
END;
/
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ';
END' at line 4
CREATE PROCEDURE p1 (a IN OUT INT)
AS
BEGIN
IF a < 10 THEN
BEGIN
a:= a - 1;
RETURN;
END;
END IF;
a:= a + 1;
EXCEPTION
WHEN OTHERS THEN RETURN;
END;
/
SET @v=10;
CALL p1(@v);
SELECT @v;
@v
11
SET @v=9;
CALL p1(@v);
SELECT @v;
@v
8
DROP PROCEDURE p1;
CREATE PROCEDURE p1 (a IN OUT INT)
AS
BEGIN
DROP TABLE t1_non_existent;
EXCEPTION
WHEN OTHERS THEN
BEGIN
a:= 100;
RETURN;
END;
END;
/
SET @v=10;
CALL p1(@v);
SELECT @v;
@v
100
DROP PROCEDURE p1;
# Testing WHILE loop
CREATE PROCEDURE p1 (a IN OUT INT)
AS
i INT:= 1;
j INT:= 3;
BEGIN
WHILE i<=j
LOOP
a:= a + i;
i:= i + 1;
END LOOP;
END;
/
SET @v=0;
CALL p1(@v);
SELECT @v;
@v
6
DROP PROCEDURE p1;
CREATE PROCEDURE p1 (a IN OUT INT)
AS
i INT:= 1;
j INT:= 3;
BEGIN
<<label>>
WHILE i<=j
LOOP
a:= a + i;
i:= i + 1;
END LOOP label;
END;
/
SET @v=0;
CALL p1(@v);
SELECT @v;
@v
6
DROP PROCEDURE p1;
# Testing the FOR loop statement
CREATE TABLE t1 (a INT);
FOR i IN 1..3
LOOP
INSERT INTO t1 VALUES (i);
END LOOP;
/
SELECT * FROM t1;
a
1
2
3
DROP TABLE t1;
CREATE FUNCTION f1 (lower_bound INT, upper_bound INT, lim INT) RETURN INT
AS
total INT := 0;
BEGIN
FOR i IN lower_bound . . upper_bound
LOOP
NULL
END LOOP;
RETURN total;
END;
/
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '. upper_bound
LOOP
NULL
END LOOP;
RETURN total;
END' at line 2
CREATE FUNCTION f1 (lower_bound INT, upper_bound INT, lim INT) RETURN INT
AS
total INT := 0;
BEGIN
FOR i IN lower_bound .. upper_bound
LOOP
total:= total + i;
IF i = lim THEN
EXIT;
END IF;
-- Bounds are calculated only once.
-- The below assignments have no effect on the loop condition
lower_bound:= 900;
upper_bound:= 1000;
END LOOP;
RETURN total;
END;
/
SELECT f1(1, 3, 100) FROM DUAL;
f1(1, 3, 100)
6
SELECT f1(1, 3, 2) FROM DUAL;
f1(1, 3, 2)
3
DROP FUNCTION f1;
CREATE FUNCTION f1 RETURN INT
AS
total INT := 0;
BEGIN
FOR i IN 1 .. 5
LOOP
total:= total + 1000;
FOR j IN 1 .. 5
LOOP
total:= total + 1;
IF j = 3 THEN
EXIT; -- End the internal loop
END IF;
END LOOP;
END LOOP;
RETURN total;
END;
/
SELECT f1() FROM DUAL;
f1()
5015
DROP FUNCTION f1;
CREATE FUNCTION f1 (a INT, b INT) RETURN INT
AS
total INT := 0;
BEGIN
FOR i IN REVERSE a..1
LOOP
total:= total + i;
IF i = b THEN
EXIT;
END IF;
END LOOP;
RETURN total;
END
/
SELECT f1(3, 100) FROM DUAL;
f1(3, 100)
6
SELECT f1(3, 2) FROM DUAL;
f1(3, 2)
5
DROP FUNCTION f1;
# Testing labeled FOR LOOP statement
CREATE FUNCTION f1 (a INT, limita INT, b INT, limitb INT) RETURN INT
AS
total INT := 0;
BEGIN
<<la>>
FOR ia IN 1 .. a
LOOP
total:= total + 1000;
<<lb>>
FOR ib IN 1 .. b
LOOP
total:= total + 1;
EXIT lb WHEN ib = limitb;
EXIT la WHEN ia = limita;
END LOOP lb;
END LOOP la;
RETURN total;
END;
/
SELECT f1(1, 1, 1, 1) FROM DUAL;
f1(1, 1, 1, 1)
1001
SELECT f1(1, 2, 1, 2) FROM DUAL;
f1(1, 2, 1, 2)
1001
SELECT f1(2, 1, 2, 1) FROM DUAL;
f1(2, 1, 2, 1)
2002
SELECT f1(2, 1, 2, 2) FROM DUAL;
f1(2, 1, 2, 2)
1001
SELECT f1(2, 2, 2, 2) FROM DUAL;
f1(2, 2, 2, 2)
2003
SELECT f1(2, 3, 2, 3) FROM DUAL;
f1(2, 3, 2, 3)
2004
DROP FUNCTION f1;
# Testing labeled ITERATE in a labeled FOR LOOP statement
CREATE FUNCTION f1 (a INT, b INT, blim INT) RETURN INT
AS
total INT := 0;
BEGIN
<<la>>
FOR ia IN 1 .. a
LOOP
total:= total + 1000;
DECLARE
ib INT:= 1;
BEGIN
WHILE ib <= b
LOOP
IF ib > blim THEN
ITERATE la;
END IF;
ib:= ib + 1;
total:= total + 1;
END LOOP;
END;
END LOOP la;
RETURN total;
END;
/
SELECT f1(3,3,0), f1(3,3,1), f1(3,3,2), f1(3,3,3), f1(3,3,4) FROM DUAL;
f1(3,3,0) f1(3,3,1) f1(3,3,2) f1(3,3,3) f1(3,3,4)
3000 3003 3006 3009 3009
DROP FUNCTION f1;
# Testing CONTINUE statement
CREATE FUNCTION f1(a INT) RETURN INT
AS
total INT:= 0;
BEGIN
FOR i IN 1 .. a
LOOP
IF i=5 THEN
CONTINUE;
END IF;
total:= total + 1;
END LOOP;
RETURN total;
END;
/
SELECT f1(3), f1(4), f1(5), f1(6) FROM DUAL;
f1(3) f1(4) f1(5) f1(6)
3 4 4 5
DROP FUNCTION f1;
CREATE FUNCTION f1(a INT) RETURN INT
AS
total INT:= 0;
BEGIN
<<lj>>
FOR j IN 1 .. 2
LOOP
FOR i IN 1 .. a
LOOP
IF i=5 THEN
CONTINUE lj;
END IF;
total:= total + 1;
END LOOP;
END LOOP;
RETURN total;
END;
/
SELECT f1(3), f1(4), f1(5) FROM DUAL;
f1(3) f1(4) f1(5)
6 8 8
DROP FUNCTION f1;
CREATE FUNCTION f1(a INT) RETURN INT
AS
total INT:= 0;
BEGIN
<<lj>>
FOR j IN 1 .. 2
LOOP
FOR i IN 1 .. a
LOOP
CONTINUE lj WHEN i=5;
total:= total + 1;
END LOOP;
END LOOP;
RETURN total;
END;
/
SELECT f1(3), f1(4), f1(5) FROM DUAL;
f1(3) f1(4) f1(5)
6 8 8
DROP FUNCTION f1;
CREATE FUNCTION f1(a INT) RETURN INT
AS
total INT:= 0;
i INT:= 1;
BEGIN
WHILE i <= a
LOOP
i:= i + 1;
IF i=6 THEN
CONTINUE;
END IF;
total:= total + 1;
END LOOP;
RETURN total;
END;
/
SELECT f1(3), f1(4), f1(5), f1(6) FROM DUAL;
f1(3) f1(4) f1(5) f1(6)
3 4 4 5
DROP FUNCTION f1;
#
# Testing behaviour of unknown identifiers in EXIT and CONTINUE statements
#
CREATE PROCEDURE p1
AS
BEGIN
LOOP
EXIT WHEN unknown_ident IS NULL;
END LOOP;
END$$
CALL p1;
ERROR 42S22: Unknown column 'unknown_ident' in 'field list'
DROP PROCEDURE p1;
CREATE PROCEDURE p1
AS
BEGIN
<<label>>
LOOP
EXIT label WHEN unknown_ident IS NULL;
END LOOP;
END$$
CALL p1;
ERROR 42S22: Unknown column 'unknown_ident' in 'field list'
DROP PROCEDURE p1;
CREATE PROCEDURE p1
AS
BEGIN
LOOP
CONTINUE WHEN unknown_ident IS NULL;
END LOOP;
END$$
CALL p1;
ERROR 42S22: Unknown column 'unknown_ident' in 'field list'
DROP PROCEDURE p1;
CREATE PROCEDURE p1
AS
BEGIN
<<label>>
LOOP
CONTINUE label WHEN unknown_ident IS NULL;
END LOOP;
END$$
CALL p1;
ERROR 42S22: Unknown column 'unknown_ident' in 'field list'
DROP PROCEDURE p1;
#
# MDEV-10583 sql_mode=ORACLE: SQL%ROWCOUNT
#
EXPLAIN EXTENDED SELECT sql%rowcount;
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 SQL%ROWCOUNT AS "sql%rowcount"
CREATE TABLE t1 AS SELECT SQL%ROWCOUNT;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE "t1" (
"SQL%ROWCOUNT" bigint(21) NOT NULL
)
DROP TABLE t1;
#
# UPDATE
#
CREATE TABLE t1 (a INT);
CREATE PROCEDURE p1
AS
BEGIN
UPDATE t1 SET a=30;
SELECT SQL%ROWCOUNT;
END;
$$
CALL p1();
SQL%ROWCOUNT
0
DROP PROCEDURE p1;
DROP TABLE t1;
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (10);
INSERT INTO t1 VALUES (20);
CREATE PROCEDURE p1
AS
BEGIN
UPDATE t1 SET a=30;
SELECT SQL%ROWCOUNT;
END;
$$
CALL p1();
SQL%ROWCOUNT
2
DROP PROCEDURE p1;
DROP TABLE t1;
#
# DELETE
#
CREATE TABLE t1 (a INT);
CREATE PROCEDURE p1
AS
BEGIN
DELETE FROM t1;
SELECT SQL%ROWCOUNT;
END;
$$
CALL p1();
SQL%ROWCOUNT
0
DROP PROCEDURE p1;
DROP TABLE t1;
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (10);
INSERT INTO t1 VALUES (20);
CREATE PROCEDURE p1
AS
BEGIN
DELETE FROM t1;
SELECT SQL%ROWCOUNT;
END;
$$
CALL p1();
SQL%ROWCOUNT
2
DROP PROCEDURE p1;
DROP TABLE t1;
#
# SELECT ... INTO var FROM ... - one row found
#
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (10);
INSERT INTO t1 VALUES (20);
CREATE PROCEDURE p1
AS
va INT;
BEGIN
SELECT a INTO va FROM t1 LIMIT 1;
SELECT SQL%ROWCOUNT;
END;
$$
CALL p1();
SQL%ROWCOUNT
1
DROP PROCEDURE p1;
DROP TABLE t1;
#
# SELECT ... INTO var FROM ... - no rows found
#
CREATE TABLE t1 (a INT);
CREATE PROCEDURE p1
AS
va INT;
BEGIN
SELECT a INTO va FROM t1;
SELECT SQL%ROWCOUNT;
END;
$$
CALL p1();
SQL%ROWCOUNT
0
Warnings:
Warning 1329 No data - zero rows fetched, selected, or processed
DROP PROCEDURE p1;
DROP TABLE t1;
CREATE TABLE t1 (a INT);
CREATE PROCEDURE p1
AS
va INT;
BEGIN
SELECT a INTO va FROM t1;
SELECT SQL%ROWCOUNT;
EXCEPTION
WHEN NO_DATA_FOUND THEN SELECT SQL%ROWCOUNT||' (EXCEPTION)';
END;
$$
CALL p1();
SQL%ROWCOUNT||' (EXCEPTION)'
0 (EXCEPTION)
DROP PROCEDURE p1;
DROP TABLE t1;
#
# SELECT ... INTO var FROM ... - multiple rows found
#
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (10);
INSERT INTO t1 VALUES (20);
CREATE PROCEDURE p1
AS
va INT:=1;
BEGIN
SELECT a INTO va FROM t1;
SELECT SQL%ROWCOUNT;
EXCEPTION
WHEN TOO_MANY_ROWS THEN SELECT SQL%ROWCOUNT||' (EXCEPTION) va='||va;
END;
$$
CALL p1();
SQL%ROWCOUNT||' (EXCEPTION) va='||va
1 (EXCEPTION) va=10
DROP PROCEDURE p1;
DROP TABLE t1;
#
# INSERT INTO t2 SELECT ...
#
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
INSERT INTO t1 VALUES (10);
INSERT INTO t1 VALUES (20);
CREATE PROCEDURE p1
AS
BEGIN
INSERT INTO t2 SELECT * FROM t1;
SELECT SQL%ROWCOUNT;
END;
$$
CALL p1();
SQL%ROWCOUNT
2
DROP PROCEDURE p1;
DROP TABLE t1, t2;
#
# End of MDEV-10583 sql_mode=ORACLE: SQL%ROWCOUNT
#
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