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Whether to show explain result at user level. When enabled, will log EXPLAIN output for the query at user level.

SerDes

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and I/O

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SerDes

hive.script.serde

• Default Value: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe
• Added In: Hive 0.4.0

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LazySimpleSerDe uses this property to determine if it treats 'T', 't', 'F', 'f', '1', and '0' as extended, legal boolean literals, in addition to 'TRUE' and 'FALSE'. The default is false, which means only 'TRUE' and 'FALSE' are treated as legal boolean literals.

I/O

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hive.io.exception.handlers

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• Default Value: (empty)
• Added In: Hive 0.8.1

A list of I/O exception handler class names. This is used to construct a list of exception handlers to handle exceptions thrown by record readers.

hive.input.format

• Default Value: org.apache.hadoop.hive.ql.io.CombineHiveInputFormat
• Added In: Hive 0.5.0

The default input format. Set this to HiveInputFormat if you encounter problems with CombineHiveInputFormat.

Also see:

• hive.tez.input.format

 

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File Formats

hive.default.fileformat

• Default Value: TextFile
• Added In: Hive 0.2.0

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Users can explicitly say CREATE TABLE ... STORED AS TEXTFILE|SEQUENCEFILE|RCFILE|ORC|AVRO|INPUTFORMAT...OUTPUTFORMAT... to override. (RCFILE was added in Hive 0.6.0, ORC in 0.11.0, and AVRO in 0.14.0.) See Row Format, Storage Format, and SerDe for details.

hive.fileformat.check

• Default Value: true
• Added In: Hive 0.5.0

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File format to use for a query's intermediate results. Options are TextFile, SequenceFile, and RCfile. Set to SequenceFile if any columns are string type and contain new-line characters (HIVE-1608, HIVE-3065).

RCFile Format

hive.io.rcfile.record.interval

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