Karen Coppage created HIVE-21216:
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Summary: Write Parquet INT64 timestamp
Key: HIVE-21216
URL: https://issues.apache.org/jira/browse/HIVE-21216
Project: Hive
Issue Type: New Feature
Components: Hive
Reporter: Karen Coppage
Assignee: Karen Coppage
[WIP]
This patch enables Hive to start writing int64 timestamps in Parquet.
With Parquet version 1.11, a new timestamp LogicalType with base INT64 and the
following metadata is introduced:
boolean isAdjustedToUtc: marks whether the timestamp is converted to UTC (aka
Instant semantics) or not (LocalDateTime semantics)
enum TimeUnit (NANOS, MICROS, MILLIS): granularity of timestamp
The timestamp will have LocalDateTime semantics (not converted to UTC).
Time unit (granularity) will be determined by the user. Default is milliseconds.
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