JackyWoo opened a new pull request #1342: HiveSqlDialect transform function trim to correct hive format URL: https://github.com/apache/calcite/pull/1342 Let's assume sql = SELECT TRIM(' str ') When we use HiveSqlDialect and transform sql, we expect **SELECT TRIM(' str ')**，but get **SELECT TRIM(BOTH ' ' FROM ' str ')**. This pr change HiveSqlDialect behavior when transform function trim.
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