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[HIVE-4572] ColumnPruner cannot preserve RS key columns corresponding to un-selected join keys in columnExprMap - Hive - [issue]
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...For a RS of a join operator, if the join key corresponding to this RS does not appear in the SELECT clause, ColumnPruner will drop the entry of this column in colExprMap. Example:SELECT x.ke...
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http://issues.apache.org/jira/browse/HIVE-4572
Author: Yin Huai,
2013-05-16, 23:13
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[HIVE-3495] For UDAFs, when generating a plan without map-side-aggregation, constant agg parameters will be replaced by ExprNodeColumnDesc - Hive - [issue]
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...For UDAFs, when generating a plan without map-side-aggregation, constant agg parameters having ConstantObjectInspectors will be replaced by ExprNodeColumnDescs. A UDFArgumentTypeException wi...
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http://issues.apache.org/jira/browse/HIVE-3495
Author: Yin Huai,
2013-02-12, 17:06
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Re: Review Request: HIVE-2206: add a new optimizer for query correlation discovery and optimization - Hive - [mail # dev]
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...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/7126/ (Updated Jan. 16, 2013, 7 p.m.) Review request for hive. Description ...
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Author: Yin Huai,
2013-01-16, 19:00
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Re: Review Request: HIVE-2206: add a new optimizer for query correlation discovery and optimization - Hive - [mail # dev]
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... done If a query plan is optimized by correlation optimizer, multiple operation paths can be merged to a single Map phase. CorrelationCompositeOperator is used to evaluate...
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Author: Yin Huai,
2013-01-16, 03:19
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[HIVE-3876] call resetValid instead of ensureCapacity in the constructor of BytesRefArrayWritable - Hive - [issue]
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...In the constructor of BytesRefArrayWritable, ensureCapacity(capacity) is called, but "valid" has not been adjusted accordingly. After a new BytesRefArrayWritable has been created with a init...
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http://issues.apache.org/jira/browse/HIVE-3876
Author: Yin Huai,
2013-01-14, 11:56
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[HIVE-3493] aggName of SemanticAnalyzer.getGenericUDAFEvaluator is generated in two different ways - Hive - [issue]
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...aggName in org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getGenericUDAFEvaluator(String, ArrayList<ExprNodeDesc>, ASTNode, boolean, boolean) is generated by two different ways. One ...
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http://issues.apache.org/jira/browse/HIVE-3493
Author: Yin Huai,
2012-12-19, 07:03
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Re: Review Request: HIVE-2206: add a new optimizer for query correlation discovery and optimization - Hive - [mail # dev]
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...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/7126/ (Updated Nov. 19, 2012, 7:51 p.m.) Review request for hive. Changes C...
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Author: Yin Huai,
2012-11-19, 19:51
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Re: Review Request: HIVE-2206: add a new optimizer for query correlation discovery and optimization - Hive - [mail # dev]
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...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/7126/ (Updated Nov. 12, 2012, 10:21 p.m.) Review request for hive. Changes ...
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Author: Yin Huai,
2012-11-12, 22:21
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[HIVE-3671] If a query has been optimized by correlation optimizer, join auto convert cannot optimize it - Hive - [issue]
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...Currently, if a query has been optimized by correlation optimizer, the first operator at the reduce side will be CorrelationReducerDispatchOperator. Since CommonJoinResolver will only work i...
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http://issues.apache.org/jira/browse/HIVE-3671
Author: Yin Huai,
2012-11-05, 15:11
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[HIVE-3670] Optimize queries involving self join - Hive - [issue]
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http://issues.apache.org/jira/browse/HIVE-3670
Author: Yin Huai,
2012-11-05, 15:03
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