15 lines
508 B
MySQL
15 lines
508 B
MySQL
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-- EXPLAIN [ EXTENDED | CODEGEN | COST | FORMATTED ] statement
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-- Default Output
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EXPLAIN select k, sum(v) from values (1, 2), (1, 3) t(k, v) group by k;
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-- Using Extended
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EXPLAIN EXTENDED select k, sum(v) from values (1, 2), (1, 3) t(k, v) group by k;
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-- https://github.com/DTStack/dt-sql-parser/issues/131
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SELECT count(1) FROM tableName;
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-- https://github.com/DTStack/dt-sql-parser/issues/131
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DELETE FROM tableName WHERE (SELECT count(1) FROM tableName WHERE pt = '20230601') > 0 AND pt = '20230601';
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