diff options
Diffstat (limited to 'mysql-test/main/func_dep.test')
-rw-r--r-- | mysql-test/main/func_dep.test | 546 |
1 files changed, 347 insertions, 199 deletions
diff --git a/mysql-test/main/func_dep.test b/mysql-test/main/func_dep.test index 417e192bf16..864f3dcc1ad 100644 --- a/mysql-test/main/func_dep.test +++ b/mysql-test/main/func_dep.test @@ -208,6 +208,46 @@ SELECT ORD(t3.y)=ORD(t3.z),t3.y,t3.z FROM t3 GROUP BY t3.y,t3.z; +SELECT LENGTH(LTRIM(t3.y)) = LENGTH(LTRIM(t3.z)),t3.y,t3.z +FROM t3; +--error ER_NON_GROUPING_FIELD_USED +SELECT LENGTH(LTRIM(t3.y)) = LENGTH(LTRIM(t3.z)),t3.y,t3.z +FROM t3 +GROUP BY t3.y,t3.z; + +SELECT LENGTH(RTRIM(t3.y)) = LENGTH(RTRIM(t3.z)),t3.y,t3.z +FROM t3; +--error ER_NON_GROUPING_FIELD_USED +SELECT LENGTH(RTRIM(t3.y)) = LENGTH(RTRIM(t3.z)),t3.y,t3.z +FROM t3 +GROUP BY t3.y,t3.z; + +SELECT RTRIM(LTRIM(t3.y)) = RTRIM(LTRIM(t3.z)),t3.y,t3.z +FROM t3; +--error ER_NON_GROUPING_FIELD_USED +SELECT RTRIM(LTRIM(t3.y)) = RTRIM(LTRIM(t3.z)),t3.y,t3.z +FROM t3 +GROUP BY t3.y,t3.z; + +SELECT QUOTE(TRIM(t3.y)) = QUOTE(TRIM(t3.z)),t3.y,t3.z +FROM t3; +--error ER_NON_GROUPING_FIELD_USED +SELECT QUOTE(TRIM(t3.y)) = QUOTE(TRIM(t3.z)),t3.y,t3.z +FROM t3 +GROUP BY t3.y,t3.z; + +SELECT RTRIM(TRIM(t3.y)) = RTRIM(TRIM(t3.z)),t3.y,t3.z +FROM t3; +SELECT RTRIM(TRIM(t3.y)) = RTRIM(TRIM(t3.z)),t3.y,t3.z +FROM t3 +GROUP BY t3.y,t3.z; + +SELECT LCASE(TRIM(t3.y)) = LCASE(TRIM(t3.z)),t3.y,t3.z +FROM t3; +SELECT LCASE(TRIM(t3.y)) = LCASE(TRIM(t3.z)),t3.y,t3.z +FROM t3 +GROUP BY t3.y,t3.z; + EXPLAIN EXTENDED SELECT RAND() FROM t3 GROUP BY t3.x; @@ -216,7 +256,6 @@ EXPLAIN EXTENDED SELECT t3.x + RAND() FROM t3 GROUP BY t3.x; ---error ER_NON_GROUPING_FIELD_USED EXPLAIN EXTENDED SELECT LENGTH(t3.y + RAND()) FROM t3 GROUP BY t3.y; @@ -251,11 +290,10 @@ GROUP BY t3.a,t3.b,t3.c; DROP TABLE t3; ---echo # Forbid mixing INT and BIT +--echo # Mixing INT and BIT CREATE TABLE t3(a INT, b BIT(8)); INSERT INTO t3 VALUES(2, '11111111'); ---error ER_NON_GROUPING_FIELD_USED SELECT a + b FROM t3 GROUP BY a,b; @@ -266,7 +304,7 @@ GROUP BY a,b; DROP TABLE t3; ---echo # Forbid using FLOAT +--echo # Using FLOAT CREATE TABLE t3(a INT, b FLOAT); INSERT INTO t3 VALUES(2, 2.22); @@ -275,7 +313,6 @@ SELECT a + b FROM t3 GROUP BY a,b; ---error ER_NON_GROUPING_FIELD_USED SELECT a,LENGTH(b) FROM t3 GROUP BY a,b; @@ -384,6 +421,30 @@ FROM t1 WHERE t1.b = 1.01 AND t1.a = t1.b GROUP BY t1.a; +--error ER_NON_GROUPING_FIELD_USED +SELECT t1.a,t1.b,t1.c +FROM t1 +WHERE (t1.c,t1.c) = (1,1) +GROUP BY t1.a,t1.b; + +--error ER_NON_GROUPING_FIELD_USED +SELECT t1.a,t1.b,t1.c +FROM t1 +WHERE (t1.a,t1.c) = (1,1) +GROUP BY t1.a,t1.b; + +--error ER_NON_GROUPING_FIELD_USED +SELECT t1.a,t1.b,t1.c +FROM t1 +WHERE (t1.a,t1.b,t1.c) = (1,2,1) +GROUP BY t1.a,t1.b; + +--error ER_NON_GROUPING_FIELD_USED +SELECT t1.a,t1.c +FROM t1 +WHERE (t1.a,t1.b,t1.c) = (1,2,1) +GROUP BY t1.a; + --echo # Non-deterministic function in WHERE CREATE TABLE t3 (x INT, y VARCHAR(3), z VARCHAR(5)); @@ -809,11 +870,17 @@ FROM t3 WHERE t3.a = TRIM(t3.b) GROUP BY t3.b; +--error ER_NON_GROUPING_FIELD_USED SELECT t3.c FROM t3 WHERE t3.c = LTRIM(t3.b) GROUP BY t3.b; +SELECT t3.c +FROM t3 +WHERE t3.c = RTRIM(t3.b) +GROUP BY t3.b; + SELECT t3.a FROM t3 WHERE t3.a = SOUNDEX(t3.b) @@ -940,6 +1007,49 @@ FROM t3 GROUP BY LENGTH(t3.y) ORDER BY LENGTH(t3.y); +--echo # +--echo # +--echo # HAVING clause checking +--echo # +--echo # + +SELECT 1 +FROM t1 +GROUP BY t1.a +HAVING t1.a > 1; + +--error 1054 +SELECT t1.a +FROM t1 +WHERE t1.a = t1.b +GROUP BY t1.a +HAVING t1.b > 1; + +--error 1054 +SELECT t1.a +FROM t1 +WHERE t1.a = t1.b +GROUP BY t1.a +HAVING t1.a + t1.b > 1; + +--error 1054 +SELECT t1.a +FROM t1 +WHERE t1.a + 1 = t1.b +GROUP BY t1.a +HAVING t1.a + t1.b > 1; + +SELECT t3.y +FROM t3 +GROUP BY t3.y +HAVING TRIM(t3.y) > 1; + +--error 1054 +SELECT t1.a +FROM t1 +GROUP BY t1.a +HAVING t1.b > 1; + DROP TABLE t3; --echo # @@ -2150,6 +2260,199 @@ SELECT t2.c FROM t1 LEFT JOIN t2 ON (t2.c = 2) AND (t1.a = 2) GROUP BY t1.a; +SELECT t3.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) AND (t2.c = 1) + ) ON (t1.a = t2.d) +GROUP BY t2.c; + +SELECT t3.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) AND (t2.c = 1) + ) ON (t1.a = t2.c) +GROUP BY t1.a; + +SELECT t3.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) AND (t2.c > 1) + ) ON (t1.a = t2.c) +GROUP BY t1.a; + +SELECT t1.a,t2.d,t3.c,t3.d +FROM t1 LEFT JOIN ( + t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) AND + (t2.d = 1) AND + (t3.d = t2.d) + ) ON (t1.a = t2.d) +GROUP BY t1.a; + +SELECT t3.c +FROM t1 JOIN ( + t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) + ) ON (t1.a = 1) +GROUP BY ""; + +SELECT t4.a +FROM t1 LEFT JOIN ( + t2 LEFT JOIN ( + t2 AS t3 + LEFT JOIN t1 AS t4 ON (t4.a = 1) + ) ON (t2.c = t4.b) + ) ON (t1.a = t2.d) +GROUP BY t2.c; + +SELECT t4.a +FROM t1 LEFT JOIN ( + t2 LEFT JOIN ( + t2 AS t3 + LEFT JOIN t1 AS t4 ON (t4.a = 1) AND + (t3.c = t3.c) + ) ON (t2.c = t3.c) + ) ON (t1.a = t2.c) +GROUP BY t1.a; + +SELECT t3.c +FROM t1 LEFT JOIN ( + t2 + JOIN t2 AS t3 ON (t3.c = 2) + ) ON (t1.a = 1) +GROUP BY t1.a; + +--echo # Is transformed into: +--echo # "select t3.c AS c from t1 join t2 left join t2 t3 on +--echo # (t3.c = 2) where t1.a = 1 group by t2.c" +SELECT t3.c +FROM t1 JOIN ( + t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) + ) ON (t1.a = 1) +GROUP BY t2.c; + +SELECT t3.c +FROM t1 LEFT JOIN ( + t2 JOIN + t2 AS t3 ON (t3.c = 2) AND (t2.c = t2.c) + ) ON (t1.a = 1) +GROUP BY t1.a; +SELECT t4.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN ( + t1 AS t3 + LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND + (t3.a > 1) + ) ON (t2.d = t3.a) + ) ON 1 > 0 +GROUP BY t2.d; + +SELECT t4.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN ( + t1 AS t3 + LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND + (t3.a > 1) + ) ON 1 > 0 + ) ON 1 > 0 +GROUP BY t3.a; + +SELECT t4.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN ( + t1 AS t3 + LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND + (t3.a > 1) + ) ON 1 > 0 + ) ON (t1.a = t2.d) +GROUP BY t3.a; + +SELECT t4.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN ( + t1 AS t3 + LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND + (t3.a > 1) + ) ON 1 > 0 + ) ON (t1.a = 1) +GROUP BY t3.a; + +SELECT t4.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN ( + t1 AS t3 + LEFT JOIN t2 AS t4 ON (t4.c = 2) AND + (t3.a > 1) + ) ON t2.d = t3.a + ) ON (t2.d = t1.a) AND (t2.c > 2) +GROUP BY t1.a; + +SELECT t3.a +FROM t1 LEFT JOIN ( + t2 LEFT JOIN + t1 AS t3 ON (t2.d = t3.a) AND (t2.d > 1) + ) ON (t2.d = t1.a) AND (t2.c > 1) +GROUP BY t1.a; + +SELECT t4.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN ( + t1 AS t3 + LEFT JOIN t2 AS t4 ON (t4.c = 2) AND + (t3.a > 0) + ) ON (t2.d = t3.a) AND (t2.d > 1) + ) ON t2.d = t1.a +GROUP BY t1.a; + +SELECT t4.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN ( + t1 AS t3 + LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND + (t3.a > 1) + ) ON 1 > 0 + ) ON (t1.a = 1) +GROUP BY t3.a; + +SELECT t4.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN ( + t1 AS t3 + LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND + (t3.a > 1) + ) ON (t2.c = 2) + ) ON (t1.a = 1) +GROUP BY t3.a; + +SELECT t4.c +FROM t1 LEFT JOIN ( + t2 LEFT JOIN ( + t1 AS t3 + LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND + (t3.a > 1) + ) ON (t2.c = 2) + ) ON 1 > 0 +GROUP BY t3.a; + +SELECT t3.a +FROM t1 LEFT JOIN ( + t2 + JOIN t1 AS t3 ON (t2.c = t3.a) AND (t2.d > 1) + ) ON (t1.a = t2.c) +GROUP BY t1.a; + +--echo # Is transformed into +--echo # "select t1.b AS b from t1 join t2 where t1.a = t2.c +--echo # and t1.b = t2.c and t2.d = t2.c group by t1.a" +SELECT t1.b +FROM t1 LEFT JOIN t2 ON (t2.d = t2.c) +WHERE t1.a = t2.c AND t1.b = t2.c +GROUP BY t1.a; + +--echo # Is transformed into +--echo # "select t1.b AS b from t1 join t2 where t1.a = t2.c +--echo # and t2.d = t2.c and t1.b = t2.d group by t1.a" +SELECT t1.b +FROM t1 LEFT JOIN t2 ON (t2.d = t2.c AND t1.b = t2.d) +WHERE t1.a = t2.c +GROUP BY t1.a; + --echo # Non-grouping left table LEFT JOIN field t1.b is used --echo # in ON expression SELECT t1.a,t2.c @@ -2169,12 +2472,6 @@ SELECT t1.b FROM t1 LEFT JOIN t2 ON t1.b = t2.c GROUP BY t1.a; -SELECT t3.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) AND (t2.c = 1) - ) ON (t1.a = t2.d) -GROUP BY t2.c; - --error ER_NON_GROUPING_FIELD_USED SELECT t2.c FROM t1 LEFT JOIN t2 ON (t2.c = 2) AND (t1.b = 2) @@ -2197,26 +2494,6 @@ LEFT JOIN ( ) ON (t1.a = 2) GROUP BY t1.a; -SELECT t3.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) AND (t2.c = 1) - ) ON (t1.a = t2.c) -GROUP BY t1.a; - -SELECT t3.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) AND (t2.c > 1) - ) ON (t1.a = t2.c) -GROUP BY t1.a; - -SELECT t1.a,t2.d,t3.c,t3.d -FROM t1 LEFT JOIN ( - t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) AND - (t2.d = 1) AND - (t3.d = t2.d) - ) ON (t1.a = t2.d) -GROUP BY t1.a; - --error ER_NON_GROUPING_FIELD_USED SELECT t1.a,t2.d,t3.c FROM t1 LEFT JOIN ( @@ -2240,21 +2517,6 @@ FROM t1 LEFT JOIN ( ) ON 1 > 0 GROUP BY t2.d; -SELECT t3.c -FROM t1 JOIN ( - t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) - ) ON (t1.a = 1) -GROUP BY ""; - ---echo # Is transformed into: ---echo # "select t3.c AS c from t1 join t2 left join t2 t3 on ---echo # (t3.c = 2) where t1.a = 1 group by t2.c" -SELECT t3.c -FROM t1 JOIN ( - t2 LEFT JOIN t2 AS t3 ON (t3.c = 2) - ) ON (t1.a = 1) -GROUP BY t2.c; - --error ER_NON_GROUPING_FIELD_USED SELECT t4.a FROM t1 LEFT JOIN ( @@ -2295,32 +2557,6 @@ FROM t1 LEFT JOIN ( ) ON (t1.a = t2.d) GROUP BY t3.c; -SELECT t4.a -FROM t1 LEFT JOIN ( - t2 LEFT JOIN ( - t2 AS t3 - LEFT JOIN t1 AS t4 ON (t4.a = 1) - ) ON (t2.c = t4.b) - ) ON (t1.a = t2.d) -GROUP BY t2.c; - -SELECT t4.a -FROM t1 LEFT JOIN ( - t2 LEFT JOIN ( - t2 AS t3 - LEFT JOIN t1 AS t4 ON (t4.a = 1) AND - (t3.c = t3.c) - ) ON (t2.c = t3.c) - ) ON (t1.a = t2.c) -GROUP BY t1.a; - -SELECT t3.c -FROM t1 LEFT JOIN ( - t2 - JOIN t2 AS t3 ON (t3.c = 2) - ) ON (t1.a = 1) -GROUP BY t1.a; - --error ER_NON_GROUPING_FIELD_USED SELECT t3.c FROM t1 LEFT JOIN ( @@ -2329,13 +2565,6 @@ FROM t1 LEFT JOIN ( ) ON (t1.a = 1) GROUP BY ""; -SELECT t3.c -FROM t1 LEFT JOIN ( - t2 JOIN - t2 AS t3 ON (t3.c = 2) AND (t2.c = t2.c) - ) ON (t1.a = 1) -GROUP BY t1.a; - --error ER_NON_GROUPING_FIELD_USED SELECT t3.c FROM t1 LEFT JOIN ( @@ -2352,16 +2581,6 @@ FROM t1 LEFT JOIN ( ) ON 1 > 0 GROUP BY ""; -SELECT t4.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN ( - t1 AS t3 - LEFT JOIN t2 AS t4 ON (t4.c = 2) AND - (t3.a > 0) - ) ON (t2.d = t3.a) AND (t2.d > 1) - ) ON t2.d = t1.a -GROUP BY t1.a; - --error ER_NON_GROUPING_FIELD_USED SELECT t4.c FROM t1 LEFT JOIN ( @@ -2405,63 +2624,6 @@ FROM t1 LEFT JOIN ( ) ON t2.d = t1.a AND t1.b > 2 GROUP BY t1.a; -SELECT t4.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN ( - t1 AS t3 - LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND - (t3.a > 1) - ) ON (t2.d = t3.a) - ) ON 1 > 0 -GROUP BY t2.d; - -SELECT t4.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN ( - t1 AS t3 - LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND - (t3.a > 1) - ) ON 1 > 0 - ) ON 1 > 0 -GROUP BY t3.a; - -SELECT t4.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN ( - t1 AS t3 - LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND - (t3.a > 1) - ) ON 1 > 0 - ) ON (t1.a = t2.d) -GROUP BY t3.a; - -SELECT t4.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN ( - t1 AS t3 - LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND - (t3.a > 1) - ) ON 1 > 0 - ) ON (t1.a = 1) -GROUP BY t3.a; - -SELECT t4.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN ( - t1 AS t3 - LEFT JOIN t2 AS t4 ON (t4.c = 2) AND - (t3.a > 1) - ) ON t2.d = t3.a - ) ON (t2.d = t1.a) AND (t2.c > 2) -GROUP BY t1.a; - -SELECT t3.a -FROM t1 LEFT JOIN ( - t2 LEFT JOIN - t1 AS t3 ON (t2.d = t3.a) AND (t2.d > 1) - ) ON (t2.d = t1.a) AND (t2.c > 1) -GROUP BY t1.a; - --error ER_NON_GROUPING_FIELD_USED SELECT t3.a FROM t1 LEFT JOIN ( @@ -2478,36 +2640,6 @@ FROM t1 LEFT JOIN ( ) ON (t2.d = t1.a) AND (t1.b > 1) GROUP BY t1.a; -SELECT t4.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN ( - t1 AS t3 - LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND - (t3.a > 1) - ) ON 1 > 0 - ) ON (t1.a = 1) -GROUP BY t3.a; - -SELECT t4.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN ( - t1 AS t3 - LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND - (t3.a > 1) - ) ON (t2.c = 2) - ) ON (t1.a = 1) -GROUP BY t3.a; - -SELECT t4.c -FROM t1 LEFT JOIN ( - t2 LEFT JOIN ( - t1 AS t3 - LEFT JOIN t2 AS t4 ON (t4.c = t3.a) AND - (t3.a > 1) - ) ON (t2.c = 2) - ) ON 1 > 0 -GROUP BY t3.a; - --error ER_NON_GROUPING_FIELD_USED SELECT t3.a FROM t1 LEFT JOIN ( @@ -2516,13 +2648,6 @@ FROM t1 LEFT JOIN ( ) ON (t1.a > 2) GROUP BY t2.c; -SELECT t3.a -FROM t1 LEFT JOIN ( - t2 - JOIN t1 AS t3 ON (t2.c = t3.a) AND (t2.d > 1) - ) ON (t1.a = t2.c) -GROUP BY t1.a; - --error ER_NON_GROUPING_FIELD_USED SELECT t2.c FROM t1 LEFT JOIN ( @@ -2539,22 +2664,6 @@ FROM t1 LEFT JOIN ( ) ON (t1.a = t2.c) GROUP BY t1.a; ---echo # Is transformed into ---echo # "select t1.b AS b from t1 join t2 where t1.a = t2.c ---echo # and t1.b = t2.c and t2.d = t2.c group by t1.a" -SELECT t1.b -FROM t1 LEFT JOIN t2 ON (t2.d = t2.c) -WHERE t1.a = t2.c AND t1.b = t2.c -GROUP BY t1.a; - ---echo # Is transformed into ---echo # "select t1.b AS b from t1 join t2 where t1.a = t2.c ---echo # and t2.d = t2.c and t1.b = t2.d group by t1.a" -SELECT t1.b -FROM t1 LEFT JOIN t2 ON (t2.d = t2.c AND t1.b = t2.d) -WHERE t1.a = t2.c -GROUP BY t1.a; - --echo # --echo # Usage of non-deterministic functions --echo # @@ -2616,6 +2725,24 @@ FROM t1 LEFT JOIN t2 ON t1.a = t2.c WHERE t1.a = rand() GROUP BY t1.a; +SELECT t1.a +FROM t1 LEFT JOIN t2 ON (t1.a = t2.c) AND (SELECT t1.b) +GROUP BY t1.a; + +--error ER_NON_GROUPING_FIELD_USED +SELECT t2.c +FROM t1 LEFT JOIN t2 ON (t1.a = t2.c) AND (SELECT t1.b) +GROUP BY t1.a; + +SELECT t2.c +FROM t1 LEFT JOIN t2 ON (t1.a = t2.c) AND t1.a +GROUP BY t1.a; + +--error ER_NON_GROUPING_FIELD_USED +SELECT t2.c +FROM t1 LEFT JOIN t2 ON (t1.a = t2.c) AND (SELECT t1.a) +GROUP BY t1.a; + DROP TABLE t3; --echo # @@ -2738,6 +2865,27 @@ LEFT OUTER JOIN t2 ON t1.a = t2.c LEFT OUTER JOIN t1 AS t3 ON t1.a = t3.b GROUP BY t3.b; +--echo # Aggregated functions used if no GROUP BY is used + +CREATE VIEW v1 AS (SELECT * FROM t1); + +SELECT MAX(v1.a) +FROM v1; + +SELECT MAX(v1.a),SUM(v1.a) +FROM v1; + +--echo # different error messages, should be the same +--error ER_MIX_OF_GROUP_FUNC_AND_FIELDS +SELECT MAX(t1.a),t1.a +FROM t1; + +--error ER_NON_GROUPING_FIELD_USED +SELECT MAX(v1.a),v1.b +FROM v1; + +DROP VIEW v1; + DROP TABLE t1,t2; SET SQL_MODE=' '; |