Stuti Gupta created CALCITE-2794:
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Summary: Add specific translation for SUBSTRING, CHARACTER,
CHARACTER_LENGTH, TRUNCATE, TRIM, DATE + INTERVAL, EXTRACT operators in Hive
and BigQuery and Spark SQL dialects
Key: CALCITE-2794
URL: https://issues.apache.org/jira/browse/CALCITE-2794
Project: Calcite
Issue Type: Improvement
Components: core
Reporter: Stuti Gupta
Assignee: Julian Hyde
Owing to the syntactical differences between Calcite SQL and certain other
Dialects, emulation for SqlNode unparsing needs to be added based on the
Dialect in RelToSqlConcverter.
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