Parth Chandra created SPARK-37974:
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Summary: Implement vectorized DELTA_BYTE_ARRAY and
DELTA_LENGTH_BYTE_ARRAY encodings for Parquet V2 support
Key: SPARK-37974
URL: https://issues.apache.org/jira/browse/SPARK-37974
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.2.0
Reporter: Parth Chandra
SPARK-36879 implements the DELTA_BINARY_PACKED encoding which is for integer
values, but does not implement the DELTA_BYTE_ARRAY encoding which is for
string values. DELTA_BYTE_ARRAY encoding also requires the
DELTA_LENGTH_BYTE_ARRAY encoding. Both these encodings need vectorized versions
as the current implementation simply calls the non-vectorized Parquet library
methods.
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