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 2:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/14397/2/fe/src/main/java/org/apache/impala/analysis/AlterTableSetTblProperties.java
File 
fe/src/main/java/org/apache/impala/analysis/AlterTableSetTblProperties.java:

http://gerrit.cloudera.org:8080/#/c/14397/2/fe/src/main/java/org/apache/impala/analysis/AlterTableSetTblProperties.java@120
PS2, Line 120: isExternallyManagedTable
Would it make sense to check whether the table is managed? E.g. define this as

if (KuduTable.isSynchronizedTable(table_.getMetaStoreTable()) {
  // throw error...
}

Where KuduTable.isSynchronziedTable() checks for whether it's managed _or_ 
whether it's external with the purge property? That's along the lines of what 
Kudu did in 
https://gerrit.cloudera.org/c/14179/8/java/kudu-hive/src/main/java/org/apache/kudu/hive/metastore/KuduMetastorePlugin.java#285


http://gerrit.cloudera.org:8080/#/c/14397/2/fe/src/main/java/org/apache/impala/catalog/KuduTable.java
File fe/src/main/java/org/apache/impala/catalog/KuduTable.java:

http://gerrit.cloudera.org:8080/#/c/14397/2/fe/src/main/java/org/apache/impala/catalog/KuduTable.java@141
PS2, Line 141: !Boolean
             :         .parseBoolean
Maybe I'm missing something, but if "external.table.purge" is true, shouldn't 
it be considered externally managed? Why the ! here?



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I324523361c923b7d291cb4d0f1028b1a5b653b36
Gerrit-Change-Number: 14397
Gerrit-PatchSet: 2
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: Vihang Karajgaonkar <[email protected]>
Gerrit-Comment-Date: Thu, 10 Oct 2019 20:41:13 +0000
Gerrit-HasComments: Yes

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