Nong Li created SPARK-12992:
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Summary: Vectorize parquet decoding using ColumnarBatch
Key: SPARK-12992
URL: https://issues.apache.org/jira/browse/SPARK-12992
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Nong Li
Parquet files benefit from vectorized decoding. ColumnarBatches have been
designed to support this. This means that a single encoded parquet column is
decoded to a single ColumnVector.
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