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Manual merge
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@@ -800,3 +800,14 @@ field(0,NULL,1,0) field("",NULL,"bar","") field(0.0,NULL,1.0,0.0)
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select field(NULL,1,2,NULL), field(NULL,1,2,0);
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field(NULL,1,2,NULL) field(NULL,1,2,0)
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0 0
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CREATE TABLE t1 (str varchar(20) PRIMARY KEY);
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CREATE TABLE t2 (num int primary key);
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INSERT INTO t1 VALUES ('notnumber');
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INSERT INTO t2 VALUES (0), (1);
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SELECT * FROM t1, t2 WHERE num=str;
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str num
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notnumber 0
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SELECT * FROM t1, t2 WHERE num=substring(str from 1 for 6);
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str num
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notnumber 0
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DROP TABLE t1,t2;
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