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Review request for hive and Ning Zhang. Summary ------- move validation of renaming/replacing columns from runtime to parser This addresses bug HIVE-2415. https://issues.apache.org/jira/browse/HIVE-2415 Diffs ----- trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java 1162190 trunk/ql/src/java/org/apache/hadoop/hive/ql/metadata/Table.java 1162190 trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java 1162190 trunk/ql/src/test/queries/clientnegative/replace_columns.q PRE-CREATION trunk/ql/src/test/queries/clientnegative/replace_columns_2.q PRE-CREATION trunk/ql/src/test/queries/clientnegative/replace_columns_3.q PRE-CREATION trunk/ql/src/test/results/clientnegative/altern1.q.out 1162190 trunk/ql/src/test/results/clientnegative/column_rename1.q.out 1162190 trunk/ql/src/test/results/clientnegative/column_rename2.q.out 1162190 trunk/ql/src/test/results/clientnegative/column_rename4.q.out 1162190 trunk/ql/src/test/results/clientnegative/replace_columns.q.out PRE-CREATION trunk/ql/src/test/results/clientnegative/replace_columns_2.q.out PRE-CREATION trunk/ql/src/test/results/clientnegative/replace_columns_3.q.out PRE-CREATION trunk/ql/src/test/results/clientnegative/replace_columns_4.q.out PRE-CREATION trunk/serde/src/java/org/apache/hadoop/hive/serde2/SerDeUtils.java 1162190 Diff: https://reviews.apache.org/r/1672/diff Testing ------- Thanks, Yongqiang