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DRILL-7509: Incorrect TupleSchema is created for DICT column when querying Parquet files

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DRILL-7479: Partial fixes for metadata parameterized type issues

See DRILL-7479 and DRILL-7480 for an explanation. Adds generic

type parameters where needed to avoid the need to supporess

warnings. However, type parameters are probably not needed

at all and should be removed in the future for reasons explained

in DRILL-7480.

closes #1923

  1. … 37 more files in changeset.
DRILL-7359: Add support for DICT type in RowSet Framework

closes #1870

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DRILL-7313: Use Hive schema for MaprDB native reader when field was empty

- Added all_text_mode option for hive maprDB Json

- Improved logic to convert Hive's schema into Drill's one

- Added unit tests for schema conversion

  1. … 27 more files in changeset.
DRILL-7310: Move schema-related classes from exec module to be able to use them in metastore module

closes #1816

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DRILL-7271: Refactor Metadata interfaces and classes to contain all needed information for the File based Metastore

    • -0
    • +53
    ./SchemaPathUtils.java
    • -0
    • +135
    ./TableMetadataUtils.java
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DRILL-7096: Develop vector for canonical Map<K,V>

- Added new type DICT;

- Created value vectors for the type for single and repeated modes;

- Implemented corresponding FieldReaders and FieldWriters;

- Made changes in EvaluationVisitor to be able to read values from the map by key;

- Made changes to DrillParquetGroupConverter to be able to read Parquet's MAP type;

- Added an option `store.parquet.reader.enable_map_support` to disable reading MAP type as DICT from Parquet files;

- Updated AvroRecordReader to use new DICT type for Avro's MAP;

- Added support of the new type to ParquetRecordWriter.

  1. … 108 more files in changeset.