Writer的PreSql相关疑问 #687
me1dlinger
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Writer的PreSql相关疑问
#687
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reader 和 writer 的task 并不是串行的，所以的确会存在你说的这种情况 |
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执行带有presql的sqlwriter任务正常的逻辑应该是先reader出数据，再执行presql然后执行writer数据。现在似乎是同时presql和reader，如果reader时间很长并且presql是truncate表时，会导致表中无数据的时间比期待的长了很多。版本是4.0.9。
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