Jing Zhang created FLINK-25592:
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Summary: Improvement of parser, optimizer and execution for Flink
Batch SQL
Key: FLINK-25592
URL: https://issues.apache.org/jira/browse/FLINK-25592
Project: Flink
Issue Type: Improvement
Reporter: Jing Zhang
This is a parent JIRA to track all improvements on Flink Batch SQL, including
parser, optimizer and execution.
For example,
1. using Hive dialect and default dialect, some sql query would be translated
into different plans
2. specify hash/sort aggregate strategy and hash/sortmerge join strategy in sql
hint
3. take parquet metadata into consideration in optimization
4. ....
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