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[HIVE-1093] Add a "skew join map join size" variable to control the input size of skew join's following map join job. - Hive - [issue]
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...In a test, many skew join key itself >250M size. And the following mapjoin will take several hours to do a mapjoin for those big skew keys. This can be better by using a small map input s...
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http://issues.apache.org/jira/browse/HIVE-1093
Author: He Yongqiang,
2011-12-17, 00:03
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[HIVE-1352] rcfilecat should use '\t' to separate columns and print '\r\n' at the end of each row. - Hive - [issue]
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...Talked to Venky, rcfilecat needs to add column and line delimiters....
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http://issues.apache.org/jira/browse/HIVE-1352
Author: He Yongqiang,
2011-12-17, 00:03
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[HIVE-1090] Skew Join does not work in distributed env. - Hive - [issue]
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...This is due to client side operators do not get a chance to initialize them. And JoinOp's jobClose refers to two transient vars (handleSkewJoin and numberAlias)....
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http://issues.apache.org/jira/browse/HIVE-1090
Author: He Yongqiang,
2011-12-17, 00:03
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[HIVE-1418] column pruning not working with lateral view - Hive - [issue]
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...select myCol from tmp_pyang_lv LATERAL VIEW explode(array(1,2,3)) myTab as myCol limit 3;...
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http://issues.apache.org/jira/browse/HIVE-1418
Author: He Yongqiang,
2011-12-17, 00:03
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[HIVE-1371] remove blank in rcfilecat - Hive - [issue]
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http://issues.apache.org/jira/browse/HIVE-1371
Author: He Yongqiang,
2011-12-17, 00:03
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[HIVE-1205] RowContainer should flush out dummy rows when the table desc is null - Hive - [issue]
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...When a skew key found, row container will flush all rows to hdfs. But if the table desc is null, it actually flush an empty file. It should flush out a file with dummy rows....
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http://issues.apache.org/jira/browse/HIVE-1205
Author: He Yongqiang,
2011-12-17, 00:03
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[HIVE-1252] Task breaking bug when breaking after a filter operator - Hive - [issue]
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...The plan for this query has a bug,SELECT f.key, g.value FROM srcpart f JOIN srcpart m ON( f.key = m.key AND f.ds='2008-04-08' AND m.ds='2008-04-08' ) JOIN srcpart g ON(g.value = m.valu...
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http://issues.apache.org/jira/browse/HIVE-1252
Author: He Yongqiang,
2011-12-17, 00:03
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[HIVE-1286] Remove debug message from stdout in ColumnarSerDe - Hive - [issue]
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...'Found class for org.apache.hadoop.hive.serde2.columnar.ColumnarSerDe'should go to stderr where other informational messages are sent....
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http://issues.apache.org/jira/browse/HIVE-1286
Author: He Yongqiang,
2011-12-17, 00:03
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[HIVE-1092] Conditional task does not increase finished job counter when filter job out. - Hive - [issue]
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...Ended Job = 864272330, job is filtered out (removed at runtime).Launching Job 2 out of 3 It should be 'Launching Job 3 out of 3"...
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http://issues.apache.org/jira/browse/HIVE-1092
Author: He Yongqiang,
2011-12-17, 00:03
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[HIVE-1085] ColumnarSerde should not be the default Serde when user specified a fileformat using 'stored as'. - Hive - [issue]
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http://issues.apache.org/jira/browse/HIVE-1085
Author: He Yongqiang,
2011-12-17, 00:03
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