1
DROP TABLE IF EXISTS t1,t2,t3,t4;
2
CREATE TABLE t1(c1 YEAR NOT NULL,c2 YEAR, PRIMARY KEY(c1));
3
CREATE TABLE t2(c1 YEAR NOT NULL, c2 YEAR, UNIQUE INDEX idx(c1,c2));
4
CREATE TABLE t3(c1 YEAR(2) NOT NULL,c2 YEAR(2), PRIMARY KEY(c1));
6
Warning 1818 YEAR(2) column type is deprecated. Creating YEAR(4) column instead.
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Warning 1818 YEAR(2) column type is deprecated. Creating YEAR(4) column instead.
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CREATE TABLE t4(c1 YEAR(2), c2 YEAR(2), UNIQUE INDEX idx(c1,c2));
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Warning 1818 YEAR(2) column type is deprecated. Creating YEAR(4) column instead.
11
Warning 1818 YEAR(2) column type is deprecated. Creating YEAR(4) column instead.
12
INSERT INTO t1 VALUES (1901,1901),(1970,1970),(1999,1999),(2000,2000),(2155,2155);
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INSERT INTO t2 VALUES (1901,1901),(1970,1970),(1999,1999),(2000,2000),(2155,2155);
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INSERT INTO t3 VALUES (1901,1901),(1970,1970),(1999,1999),(2000,2000),(2155,2155);
15
INSERT INTO t4 VALUES (1901,1901),(1970,1970),(1999,1999),(2000,2000),(2155,2155);
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INSERT INTO t1 VALUES ('1902','1902'),('1971','1971'),('1998','1998'),('2001','2001'),('2154','2154');
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INSERT INTO t2 VALUES ('1902','1902'),('1971','1971'),('1998','1998'),('2001','2001'),('2154','2154');
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INSERT INTO t3 VALUES ('1902','1902'),('1971','1971'),('1998','1998'),('2001','2001'),('2154','2154');
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INSERT INTO t4 VALUES ('1902','1902'),('1971','1971'),('1998','1998'),('2001','2001'),('2154','2154');
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INSERT INTO t1 VALUES (04,04),(64,64),(69,69),(97,97);
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INSERT INTO t2 VALUES (04,04),(64,64),(69,69),(97,97);
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INSERT INTO t3 VALUES (04,04),(64,64),(69,69),(97,97);
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INSERT INTO t4 VALUES (04,04),(64,64),(69,69),(97,97);
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INSERT INTO t1 VALUES ('05','05'),('65','65'),('75','75'),('95','95');
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INSERT INTO t2 VALUES ('05','05'),('65','65'),('75','75'),('95','95');
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INSERT INTO t3 VALUES ('05','05'),('65','65'),('75','75'),('95','95');
27
INSERT INTO t4 VALUES ('05','05'),('65','65'),('75','75'),('95','95');
28
INSERT INTO t1 VALUES ('09',null),('61',null),('79',null),('96',null);
29
INSERT INTO t2 VALUES ('09',null),('61',null),('79',null),('96',null);
30
INSERT INTO t3 VALUES ('09',null),('61',null),('79',null),('96',null);
31
INSERT INTO t4 VALUES ('09',null),('61',null),('79',null),('96',null);
128
SELECT c1 FROM t1 WHERE c1='2005';
131
DELETE FROM t1 WHERE c1='2005';
155
SELECT c2 FROM t2 WHERE c2=null;
157
DELETE FROM t2 WHERE c2=null LIMIT 2;
182
SELECT c1 FROM t4 WHERE c1 < '55';
200
DELETE FROM t4 WHERE c1 < '65' ORDER BY c1 LIMIT 5;
220
DELETE FROM t2 WHERE c1=2009 AND c2=null;
245
DELETE FROM t1 WHERE c1=1979 OR c1=2154;
267
DELETE FROM t4 WHERE c2 IN (01,54,65,69,null) LIMIT 2;
287
DELETE t3,t4 FROM t3,t4 WHERE t3.c1=61 AND t4.c2=4;
288
DELETE FROM t1 WHERE c1=2064 AND c2=2064;
309
DELETE FROM t1 WHERE c1 BETWEEN 2000 AND 2010 LIMIT 2;
328
DELETE FROM t1 WHERE c1 IN (2155,2009,1975) LIMIT 2;
345
DELETE t1,t2 FROM t1,t2 WHERE t1.c1=t2.c1 AND t1.c2=t2.c2;
403
DROP TABLE IF EXISTS t1,t2,t3,t4;