Cheng Lian 57a4379c03 [SPARK-1292] In-memory columnar representation for Spark SQL ... This PR is rebased from the Catalyst repository, and contains the first version of in-memory columnar representation for Spark SQL. Compression support is not included yet and will be added later in a separate PR. Author: Cheng Lian <lian@databricks.com> Author: Cheng Lian <lian.cs.zju@gmail.com> Closes #205 from liancheng/memColumnarSupport and squashes the following commits: 99dba41 [Cheng Lian] Restricted new objects/classes to `private[sql]' 0892ad8 [Cheng Lian] Addressed ScalaStyle issues af1ad5e [Cheng Lian] Fixed some minor issues introduced during rebasing 0dbf2fb [Cheng Lian] Make necessary renaming due to rebase a162d4d [Cheng Lian] Removed the unnecessary InMemoryColumnarRelation class 9bcae4b [Cheng Lian] Added Apache license 220ee1e [Cheng Lian] Added table scan operator for in-memory columnar support. c701c7a [Cheng Lian] Using SparkSqlSerializer for generic object SerDe causes error, made a workaround ed8608e [Cheng Lian] Added implicit conversion from DataType to ColumnType b8a645a [Cheng Lian] Replaced KryoSerializer with an updated SparkSqlSerializer b6c0a49 [Cheng Lian] Minor test suite refactoring 214be73 [Cheng Lian] Refactored BINARY and GENERIC to reduce duplicate code da2f4d5 [Cheng Lian] Added Apache license dbf7a38 [Cheng Lian] Added ColumnAccessor and test suite, refactored ColumnBuilder c01a177 [Cheng Lian] Added column builder classes and test suite f18ddc6 [Cheng Lian] Added ColumnTypes and test suite 2d09066 [Cheng Lian] Added KryoSerializer 34f3c19 [Cheng Lian] Added TypeTag field to all NativeTypes acc5c48 [Cheng Lian] Added Hive test files to .gitignore		2014-03-23 12:08:55 -07:00
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src	[SPARK-1292] In-memory columnar representation for Spark SQL	2014-03-23 12:08:55 -07:00
pom.xml	SPARK-1251 Support for optimizing and executing structured queries	2014-03-20 18:03:20 -07:00