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[SPARK-9518] [SQL] cleanup generated UnsafeRowJoiner and fix bug
Currently, when copy the bitsets, we didn't consider that the row1 may not sit in the beginning of byte array. cc rxin Author: Davies Liu <davies@databricks.com> Closes #7892 from davies/clean_join and squashes the following commits: 14cce9e [Davies Liu] cleanup generated UnsafeRowJoiner and fix bug
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- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/GenerateUnsafeRowJoiner.scala 32 additions, 70 deletions...atalyst/expressions/codegen/GenerateUnsafeRowJoiner.scala
- sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/codegen/GenerateUnsafeRowJoinerBitsetSuite.scala 5 additions, 2 deletions...ressions/codegen/GenerateUnsafeRowJoinerBitsetSuite.scala
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