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Kyligence / calcite

a tailored Apache Calcite for Apache Kylin, more details at http://mail-archives.apache.org/mod_mbox/kylin-dev/201704.mbox/%3CCAF7etT=wEBPKm4C_6ffssQ0=kEhD=j1jz3O9DpjC+Zu9xWU=5A@mail.gmail.com%3E . Isn't AtopCalcite in Kylin enough? It depends on tomcat feature that's no longer supported in tomcat 8
Apache License 2.0
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Calcite 升级1.16之后，SQL语法树转化成DAG对KAP的影响 #8

Open vaful opened 6 years ago

vaful commented 6 years ago

主要是会影响到Context的划分，Kap IT下面的这些Query会出现问题：

  1. org.apache.kylin.query.ITKylinQueryTest#testGroupingQuery
  2. io.kyligence.kap.ITKapKylinQueryTest#testMagine（sql-04）
  3. io.kyligence.kap.ITKapKylinQueryTest#testMultiModelQuery（sql-01）
  4. org.apache.kylin.query.ITKylinQueryTest#testSubQuery（query03）
  5. org.apache.kylin.query.ITKylinQueryTest#testValues（query01）
vaful commented 6 years ago

解决办法： 将这个树生成DAG的commit revert掉，https://github.com/Kyligence/calcite/commit/c0f912ddff717eaedb9a2d652e95f232d10e207f

[CALCITE-2116] In HepPlanner, ensure that common sub-expressions have the same digest (LeoWangLZ)" This reverts commit c0f912ddff717eaedb9a2d652e95f232d10e207f.