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[HIVE-1935] set hive.security.authorization.createtable.owner.grants to null by default -
Hive - [issue]
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| ...It seems an empty setting in hive-size.xml does not overwrite hive-default.xml... |
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[HIVE-2603] recreate key and value when switching files in CombineHiveInputFormat -
Hive - [issue]
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| ...different files in the same mappers may have different types of key and value. So need to create the key and value object when switching files.... |
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[HIVE-2713] ignore env variables with illegal letters when init ScriptOperator -
Hive - [issue]
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[HIVE-2728] fix some problems when enable automatic index -
Hive - [issue]
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| ...while adding a new testcase in HIVE-2727, i found that the current auto index can be more aggressive. And also i doubt that there is count(1) query which should not go to index, but actually... |
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[HIVE-472] HiveFileFormatUtils's checkInputFormat does not include RCFile -
Hive - [issue]
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[HIVE-502] Optimize RCFile's performance by removeing all synchronized modifiers -
Hive - [issue]
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| ...Tests by Zheng and me both show that removing all synchronized modifiers can improve RCFile's performance by about 15+%.This will make RCFile's reader and writer not thread safe any lo... |
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[HIVE-479] Change RCFileOutputFormat's generic signatute to be <WritableComparable, ..> -
Hive - [issue]
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| ...In one test for hive-477, i found that the below command can not sucessfully pass:$HADOOP_HOME/bin/hadoop jar $HADOOP_HOME/contrib/streaming/hadoop-0.19.0-streaming.jar -input /user/hive/war... |
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[HIVE-582] "SELECT count(1) as cnt from src x" not working for column pruning -
Hive - [issue]
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| ...The query "SELECT count(1) as cnt from src x" has some problems, even though nullgroup*.q passed in tests. Will check and solve it in this jira.A wrong plan sometimes can be generated ... |
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[HIVE-773] remove lzocodec import from FileSinkOperator -
Hive - [issue]
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[HIVE-957] Partition Metadata and Table Metadata -
Hive - [issue]
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| ...Right now, we choose to use partition lever metadata. All metadata (column names, column types, fileformat, serde class, serde properties) right now are from partition level metadata. But hi... |
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