Taras Bobrovytsky has posted comments on this change.

Change subject: IMPALA-2525: Treat parquet ENUMs as STRINGs when creating 
impala tables.
......................................................................


Patch Set 3:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/6550/3/docs/topics/impala_parquet.xml
File docs/topics/impala_parquet.xml:

PS3, Line 1154: ENUM
Are enums logical types?
For some reason they are not documented here 
https://github.com/Parquet/parquet-format/blob/master/LogicalTypes.md


http://gerrit.cloudera.org:8080/#/c/6550/3/fe/src/main/java/org/apache/impala/analysis/CreateTableLikeFileStmt.java
File fe/src/main/java/org/apache/impala/analysis/CreateTableLikeFileStmt.java:

Line 274:       // UTF8 is the type annotation Parquet uses for strings
This comment needs to be updated. It would be good if you put a link to a some 
document that states that Binary + Enum = string


http://gerrit.cloudera.org:8080/#/c/6550/3/testdata/data/schemas/logicaltypes.parquet
File testdata/data/schemas/logicaltypes.parquet:

How did you generate this file? Was it with Hive?


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Gerrit-MessageType: comment
Gerrit-Change-Id: Ia7a2e20c3ab83eb3fac422c3b33c117856fec475
Gerrit-PatchSet: 3
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Jakub Kukul <[email protected]>
Gerrit-Reviewer: Jakub Kukul <[email protected]>
Gerrit-Reviewer: Jim Apple <[email protected]>
Gerrit-Reviewer: Lars Volker <[email protected]>
Gerrit-Reviewer: Taras Bobrovytsky <[email protected]>
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