Andrew Wong has posted comments on this change. ( http://gerrit.cloudera.org:8080/14397 )
Change subject: IMPALA-9030: Handle translated external Kudu tables ...................................................................... Patch Set 6: (1 comment) http://gerrit.cloudera.org:8080/#/c/14397/6/fe/src/main/java/org/apache/impala/service/KuduCatalogOpExecutor.java File fe/src/main/java/org/apache/impala/service/KuduCatalogOpExecutor.java: http://gerrit.cloudera.org:8080/#/c/14397/6/fe/src/main/java/org/apache/impala/service/KuduCatalogOpExecutor.java@75 PS6, Line 75: !KuduTable.isExternalTable(msTbl) > Hmm, it will be translated to 'Preconditions.checkState(KuduTable.isSynchro I agree, ideally for Kudu external+purge tables would be treated the same as managed table, even in creation. Otherwise, I imagine it being quite confusing how to handle the rename or deletion of an external+purge table that doesn't exist in Kudu (e.g. drop table would fail because the table doesn't exist in Kudu). I think we should explore doing number 2, but I'm uncertain whether there are other repercussions in Impala surrounding creating an external table when a managed table was requested. As such, for now, let's just go with option 1 -- it seems easier to me, and simpler to reason about and document than the current behavior. -- To view, visit http://gerrit.cloudera.org:8080/14397 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: comment Gerrit-Change-Id: I324523361c923b7d291cb4d0f1028b1a5b653b36 Gerrit-Change-Number: 14397 Gerrit-PatchSet: 6 Gerrit-Owner: Vihang Karajgaonkar <[email protected]> Gerrit-Reviewer: Andrew Wong <[email protected]> Gerrit-Reviewer: Grant Henke <[email protected]> Gerrit-Reviewer: Greg Solovyev <[email protected]> Gerrit-Reviewer: Hao Hao <[email protected]> Gerrit-Reviewer: Impala Public Jenkins <[email protected]> Gerrit-Reviewer: Quanlong Huang <[email protected]> Gerrit-Reviewer: Thomas Tauber-Marshall <[email protected]> Gerrit-Reviewer: Vihang Karajgaonkar <[email protected]> Gerrit-Comment-Date: Fri, 18 Oct 2019 21:22:41 +0000 Gerrit-HasComments: Yes
