[arrow] branch master updated (9e0f76a -> 24a39dc)

[em...@apache.org]

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emkornfield pushed a change to branch master
in repository https://gitbox.apache.org/repos/asf/arrow.git.


    from 9e0f76a  ARROW-7666: [Packaging][deb] Always use Ninja to reduce build time
     add 24a39dc  ARROW-6352: [Java] Add implementation of DenseUnionVector

No new revisions were added by this update.

Summary of changes:
 .../src/main/codegen/templates/BaseReader.java     |   3 +
 .../{UnionReader.java => DenseUnionReader.java}    | 111 +--
 .../main/codegen/templates/DenseUnionVector.java   | 909 +++++++++++++++++++++
 .../main/codegen/templates/DenseUnionWriter.java   | 254 ++++++
 .../arrow/vector/compare/RangeEqualsVisitor.java   |   7 +
 .../arrow/vector/compare/TypeEqualsVisitor.java    |   6 +
 .../apache/arrow/vector/compare/VectorVisitor.java |   4 +
 .../vector/complex/impl/AbstractBaseReader.java    |  17 +
 .../{UnionHolder.java => DenseUnionHolder.java}    |   9 +-
 .../java/org/apache/arrow/vector/types/Types.java  |  11 +-
 ...tUnionVector.java => TestDenseUnionVector.java} | 280 +++++--
 11 files changed, 1480 insertions(+), 131 deletions(-)
 copy java/vector/src/main/codegen/templates/{UnionReader.java => DenseUnionReader.java} (61%)
 create mode 100644 java/vector/src/main/codegen/templates/DenseUnionVector.java
 create mode 100644 java/vector/src/main/codegen/templates/DenseUnionWriter.java
 copy java/vector/src/main/java/org/apache/arrow/vector/holders/{UnionHolder.java => DenseUnionHolder.java} (83%)
 copy java/vector/src/test/java/org/apache/arrow/vector/{TestUnionVector.java => TestDenseUnionVector.java} (55%)