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1
by brian
clean slate |
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stop slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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3 |
reset master;
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4 |
reset slave;
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5 |
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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6 |
start slave;
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7 |
drop table if exists t1,t2;
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8 |
CREATE TABLE t1 (
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9 |
a int unsigned not null auto_increment primary key,
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b int unsigned
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) ENGINE=MyISAM;
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CREATE TABLE t2 (
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a int unsigned not null auto_increment primary key,
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b int unsigned
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) ENGINE=MyISAM;
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INSERT INTO t1 VALUES (NULL, 0);
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INSERT INTO t1 SELECT NULL, 0 FROM t1;
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INSERT INTO t2 VALUES (NULL, 0), (NULL,1);
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SELECT * FROM t1 ORDER BY a;
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a b
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1 0
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2 0
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SELECT * FROM t2 ORDER BY a;
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24 |
a b
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1 0
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2 1
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UPDATE t1, t2 SET t1.b = (t2.b+4) WHERE t1.a = t2.a;
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28 |
SELECT * FROM t1 ORDER BY a;
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29 |
a b
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30 |
1 4
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2 5
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SELECT * FROM t2 ORDER BY a;
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33 |
a b
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1 0
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2 1
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36 |
SELECT * FROM t1 ORDER BY a;
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37 |
a b
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38 |
1 4
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2 5
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SELECT * FROM t2 ORDER BY a;
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41 |
a b
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42 |
1 0
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2 1
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44 |
drop table t1,t2;
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45 |
reset master;
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46 |
CREATE TABLE t1 ( a INT );
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INSERT INTO t1 VALUES (0);
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48 |
UPDATE t1, (SELECT 3 as b) AS x SET t1.a = x.b;
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49 |
select * from t1;
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50 |
a
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51 |
3
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52 |
select * from t1;
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53 |
a
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54 |
3
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55 |
drop table t1;
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