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54 lines
1.6 KiB
Text
54 lines
1.6 KiB
Text
drop table if exists t1,t2;
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CREATE TABLE t1 (
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gesuchnr int(11) DEFAULT '0' NOT NULL,
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benutzer_id int(11) DEFAULT '0' NOT NULL,
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PRIMARY KEY (gesuchnr,benutzer_id)
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) engine=ndbcluster;
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replace into t1 (gesuchnr,benutzer_id) values (2,1);
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replace into t1 (gesuchnr,benutzer_id) values (1,1);
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replace into t1 (gesuchnr,benutzer_id) values (1,1);
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insert into t1 (gesuchnr, benutzer_id) value (3,2);
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replace into t1 (gesuchnr,benutzer_id) values (1,1);
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replace into t1 (gesuchnr,benutzer_id) values (1,1);
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insert into t1 (gesuchnr,benutzer_id) values (1,1);
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ERROR 23000: Duplicate entry '1-1' for key 1
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replace into t1 (gesuchnr,benutzer_id) values (1,1);
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select * from t1 order by gesuchnr;
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gesuchnr benutzer_id
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1 1
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2 1
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3 2
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drop table t1;
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CREATE TABLE t1(i INT PRIMARY KEY AUTO_INCREMENT,
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j INT,
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k INT,
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UNIQUE INDEX(j)
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) ENGINE = ndb;
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INSERT INTO t1 VALUES (1,1,23),(2,2,24);
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REPLACE INTO t1 (j,k) VALUES (1,42);
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REPLACE INTO t1 (i,j) VALUES (17,2);
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SELECT * from t1 ORDER BY i;
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i j k
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3 1 42
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17 2 24
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CREATE TABLE t2 (a INT(11) NOT NULL,
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b INT(11) NOT NULL,
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c INT(11) NOT NULL,
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x TEXT,
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y TEXT,
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z TEXT,
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id INT(10) unsigned NOT NULL AUTO_INCREMENT,
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i INT(11) DEFAULT NULL,
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PRIMARY KEY (id),
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UNIQUE KEY a (a,b,c)
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) ENGINE=ndbcluster;
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REPLACE INTO t2 (a,b,c,x,y,z,i) VALUES (1,1,1,'a','a','a',1),(1,1,1,'b','b','b',2), (1,1,1,'c','c','c',3);
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SELECT * FROM t2 ORDER BY id;
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a b c x y z id i
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1 1 1 c c c 3 3
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REPLACE INTO t2(a,b,c,x,y,z,i) values (1,1,1,'a','a','a',1);
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REPLACE INTO t2(a,b,c,x,y,z,i) values (1,1,1,'b','b','b',2);
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SELECT * FROM t2 ORDER BY id;
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a b c x y z id i
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1 1 1 b b b 5 2
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DROP TABLE t2;
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