PREHOOK: query: EXPLAIN SELECT CASE a.key WHEN '1' THEN 2 WHEN '3' THEN 4 ELSE 5 END as key FROM src a JOIN src b ON a.key = b.key ORDER BY key LIMIT 10 PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN SELECT CASE a.key WHEN '1' THEN 2 WHEN '3' THEN 4 ELSE 5 END as key FROM src a JOIN src b ON a.key = b.key ORDER BY key LIMIT 10 POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_JOIN (TOK_TABREF (TOK_TABNAME src) a) (TOK_TABREF (TOK_TABNAME src) b) (= (. (TOK_TABLE_OR_COL a) key) (. (TOK_TABLE_OR_COL b) key)))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION CASE (. (TOK_TABLE_OR_COL a) key) '1' 2 '3' 4 5) key)) (TOK_ORDERBY (TOK_TABSORTCOLNAMEASC (TOK_TABLE_OR_COL key))) (TOK_LIMIT 10))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-2 depends on stages: Stage-1 Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: a TableScan alias: a Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 0 value expressions: expr: key type: string b TableScan alias: b Reduce Output Operator key expressions: expr: key type: string sort order: + Map-reduce partition columns: expr: key type: string tag: 1 Reduce Operator Tree: Join Operator condition map: Inner Join 0 to 1 condition expressions: 0 {VALUE._col0} 1 handleSkewJoin: false outputColumnNames: _col0 Select Operator expressions: expr: CASE (_col0) WHEN ('1') THEN (2) WHEN ('3') THEN (4) ELSE (5) END type: int outputColumnNames: _col0 File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.SequenceFileInputFormat output format: org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat Stage: Stage-2 Map Reduce Alias -> Map Operator Tree: #### A masked pattern was here #### Reduce Output Operator key expressions: expr: _col0 type: int sort order: + tag: -1 value expressions: expr: _col0 type: int Reduce Operator Tree: Extract Limit File Output Operator compressed: false GlobalTableId: 0 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat Stage: Stage-0 Fetch Operator limit: 10 PREHOOK: query: SELECT CASE a.key WHEN '1' THEN 2 WHEN '3' THEN 4 ELSE 5 END as key FROM src a JOIN src b ON a.key = b.key ORDER BY key LIMIT 10 PREHOOK: type: QUERY PREHOOK: Input: default@src #### A masked pattern was here #### POSTHOOK: query: SELECT CASE a.key WHEN '1' THEN 2 WHEN '3' THEN 4 ELSE 5 END as key FROM src a JOIN src b ON a.key = b.key ORDER BY key LIMIT 10 POSTHOOK: type: QUERY POSTHOOK: Input: default@src #### A masked pattern was here #### 5 5 5 5 5 5 5 5 5 5