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SELECT BENCHMARK(30000, (SELECT id from test limit 1));
SELECT BENCHMARK(100, (AES_ENCRYPT('HELLO', 'WORLD')))
我发现了BenchmarkVectorizedExpression 这个类,但是 debug 的时候,发现children[1] 的(SELECT id from test limit 1) 被解析成了 InputRefVectorizedExpression ,这样实际计算的时候走的如下方法,不会真正运行多次,在 if 判断处就返回了。
我想支持下 benchmark function,例如
我发现了BenchmarkVectorizedExpression 这个类,但是 debug 的时候,发现children[1] 的(SELECT id from test limit 1) 被解析成了 InputRefVectorizedExpression ,这样实际计算的时候走的如下方法,不会真正运行多次,在 if 判断处就返回了。
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