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From "Marcel Kornacker (Code Review)" <ger...@cloudera.org>
Subject [Impala-ASF-CR] IMPALA-2328: Read support for min/max Parquet statistics
Date Thu, 23 Feb 2017 01:59:53 GMT
Marcel Kornacker has posted comments on this change.

Change subject: IMPALA-2328: Read support for min/max Parquet statistics
......................................................................


Patch Set 7: Code-Review+2

(3 comments)

http://gerrit.cloudera.org:8080/#/c/6032/6/be/src/exec/parquet-column-stats.h
File be/src/exec/parquet-column-stats.h:

Line 31: /// writing parquet files. It provides an interface to populate a parquet::Statistics
> The other two values are i64 null_count and i64 distinct_count, for which I
i think you can leave the getters out for now, since we won't be calling them, but for the
sake of completeness we should add the other two enums.


http://gerrit.cloudera.org:8080/#/c/6032/7/be/src/exec/parquet-column-stats.h
File be/src/exec/parquet-column-stats.h:

Line 68:   static bool ReadFromThrift(const parquet::Statistics& thrift_stats,
who calls this?


http://gerrit.cloudera.org:8080/#/c/6032/7/fe/src/test/java/org/apache/impala/planner/PlannerTest.java
File fe/src/test/java/org/apache/impala/planner/PlannerTest.java:

Line 55:     options.setExplain_level(TExplainLevel.VERBOSE);
i thought the stats predicates are visible in extended?


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Gerrit-MessageType: comment
Gerrit-Change-Id: I39b836165756fcf929c801048d91c50c8fdcdae4
Gerrit-PatchSet: 7
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Lars Volker <lv@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.behm@cloudera.com>
Gerrit-Reviewer: Lars Volker <lv@cloudera.com>
Gerrit-Reviewer: Marcel Kornacker <marcel@cloudera.com>
Gerrit-Reviewer: Matthew Jacobs <mj@cloudera.com>
Gerrit-Reviewer: Matthew Mulder <mmulder@cloudera.com>
Gerrit-Reviewer: Mostafa Mokhtar <mmokhtar@cloudera.com>
Gerrit-HasComments: Yes

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