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- trunk/conf - This directory contains the packaged hive-default.xml and hive-site.xml.
- trunk/data - This directory contains some data sets and configurations used in the hive tests.
- trunk/ivy - This directory contains the ivy files used by the build infrastructure to manage dependencies on different hadoop versions.
- trunk/lib - This directory contains the run time libraries needed by Hive.
- trunk/testlibs - This directory contains the junit.jar used by the junit target in the build infrastructure.
- trunk/testutils (Deprecated)
SerDe
What is a !SerDe?
- !SerDe is a short name for "Serializer and Deserializer."
- Hive uses SerDe (and !FileFormat) to read and write table rows.
- HDFS files !InputFileFormat)> <key, value> -(Deserializer-> Row object
- Row object Serializer)> <key, value> -(!OutputFileFormat-> HDFS files
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