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15 lines
589 B
15 lines
589 B
drop table if exists t1;
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set @@sql_mode="ANSI";
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select @@sql_mode;
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@@sql_mode
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REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ONLY_FULL_GROUP_BY,ANSI
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SELECT 'A' || 'B';
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'A' || 'B'
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AB
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CREATE TABLE t1 (id INT, id2 int);
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SELECT id,NULL,1,1.1,'a' FROM t1 GROUP BY id;
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id NULL 1 1.1 a
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SELECT id FROM t1 GROUP BY id2;
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ERROR 42000: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.t1.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
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drop table t1;
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SET @@SQL_MODE="";
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