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Posted to issues@impala.apache.org by "Fredy Wijaya (JIRA)" <ji...@apache.org> on 2018/02/14 02:27:00 UTC
[jira] [Resolved] (IMPALA-6392) Explain format for parquet
predicate statistics should be consistent with predicates
[ https://issues.apache.org/jira/browse/IMPALA-6392?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Fredy Wijaya resolved IMPALA-6392.
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Resolution: Fixed
> Explain format for parquet predicate statistics should be consistent with predicates
> ------------------------------------------------------------------------------------
>
> Key: IMPALA-6392
> URL: https://issues.apache.org/jira/browse/IMPALA-6392
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 2.11.0
> Reporter: Vuk Ercegovac
> Assignee: Fredy Wijaya
> Priority: Minor
> Labels: ramp-up
>
> In EXPLAIN_LEVEL 2, "parquet predicate statistics" combine conjuncts from multiple tuple descriptors into one line:
> parquet statistics predicates: c_custkey > 0, o.o_orderkey > 0, l.l_partkey > 0
> However, "predicates" separate the conjuncts into a line per tuple descriptor:
> predicates: c_custkey > 0, !empty(c.c_orders)
> predicates on o: !empty(o.o_lineitems), o.o_orderkey > 0
> predicates on l: l.l_partkey > 0
> These two cases should be consistent. Prefer the line per tuple descriptor style.
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