41 lines
2.9 KiB
Plaintext
41 lines
2.9 KiB
Plaintext
select POSITION('北' IN '北京涛思');
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select POSITION('涛思' IN '北京涛思');
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select POSITION('a' IN 'abcd');
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select POSITION('e' IN 'abcd');
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select POSITION('好，' IN 'hello,world.你好，世界。');
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select POSITION('，你' IN 'hello,world.你好，世界。');
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select POSITION('world' IN 'hello,world.你好，世界。');
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select POSITION('aaa' IN 'aaaaaaaaa');
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select POSITION(CONCAT('a','b','c') IN CONCAT('abc','def','ghi'));
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select POSITION(CONCAT('a','b','d') IN CONCAT('abc','def','ghi'));
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select POSITION(nch2 IN nch1) from ts_4893.meters where POSITION(nch2 IN nch1) != 0 order by ts limit 5;
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select POSITION(nch2 IN nch1) from ts_4893.meters order by ts limit 5;
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select POSITION(var2 IN var1) from ts_4893.meters where POSITION(var2 IN var1) != 0 order by ts limit 5;
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select POSITION(var2 IN var1) from ts_4893.meters order by ts limit 5;
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select POSITION(var2 IN nch1) from ts_4893.meters where POSITION(var2 IN nch1) != 0 order by ts limit 5;
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select POSITION(var2 IN nch1) from ts_4893.meters order by ts limit 5;
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select POSITION(nch2 IN var1) from ts_4893.meters where POSITION(nch2 IN var1) != 0 order by ts limit 5;
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select POSITION(nch2 IN var1) from ts_4893.meters order by ts limit 5;
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select POSITION('a' IN nch1) from ts_4893.meters where POSITION('a' IN nch1) != 0 order by ts limit 5;
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select POSITION('a' IN var1) from ts_4893.meters where POSITION('a' IN var1) != 0 order by ts limit 5;
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select POSITION('一' IN nch1) from ts_4893.meters where POSITION('一' IN nch1) != 0 order by ts limit 5;
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select POSITION('一' IN var1) from ts_4893.meters where POSITION('一' IN var1) != 0 order by ts limit 5;
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select POSITION(nch2 IN 'abcdefghijklmn') from ts_4893.meters where POSITION(nch2 IN 'abcdefghijklmn') != 0 order by ts limit 5;
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select POSITION(var2 IN 'abcdefghijklmn') from ts_4893.meters where POSITION(var2 IN 'abcdefghijklmn') != 0 order by ts limit 5;
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select POSITION(nch2 IN '一二三四五六七八九十') from ts_4893.meters where POSITION(nch2 IN '一二三四五六七八九十') != 0 order by ts limit 5;
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select POSITION(var2 IN '一二三四五六七八九十') from ts_4893.meters where POSITION(var2 IN '一二三四五六七八九十') != 0 order by ts limit 5;
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select ABS(POSITION('aaa' IN 'aaaaaaaaa'));
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select POW(POSITION('aaa' IN 'aaaaaaaaa'), 2);
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select position('t' in 'taos');
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select position('ustc' in 'taos');
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select position('' in '');
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select position('' in 'taos');
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select position(nch2 in nch1) from ts_4893.d0 order by ts limit 10;
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select position(nch2 in nch1) from ts_4893.meters order by ts limit 10;
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select position(nch2 in var1) from ts_4893.d0 order by ts limit 10;
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select position(nch2 in var1) from ts_4893.meters order by ts limit 10;
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select position(var2 in nch1) from ts_4893.d0 order by ts limit 10;
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select position(var2 in nch1) from ts_4893.meters order by ts limit 10;
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select position(var2 in var1) from ts_4893.d0 order by ts limit 10;
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select position(var2 in var1) from ts_4893.meters order by ts limit 10;
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