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This fixes an IllegalStateException in HdfsPartitionPruner when evaluating 'IN' predicates whose consist of two compatible types, for example DATE and STRING: date_col in (<date as string>). Previously, 'canEvalUsingPartitionMd' did not check if the slot type matched the literal type. This caused the frontend to attempt invalid comparisons via 'LiteralExpr.compareTo', leading to IllegalStateException or incorrect pruning. The fix ensures 'canEvalUsingPartitionMd' returns false on type mismatches, deferring evaluation to the backend where proper casting occurs. Testing: - Added regression test in hdfs-partition-pruning.test. Change-Id: Idc226a628c8df559329a060cb963b81e27e21eda Reviewed-on: http://gerrit.cloudera.org:8080/23706 Reviewed-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>