PREHOOK: query: EXPLAIN SELECT src.key, sum(substr(src.value,5)) FROM src GROUP BY src.key LIMIT 5 PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN SELECT src.key, sum(substr(src.value,5)) FROM src GROUP BY src.key LIMIT 5 POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_DIR TOK_TMP_FILE)) (TOK_SELECT (TOK_SELEXPR (. (TOK_TABLE_OR_COL src) key)) (TOK_SELEXPR (TOK_FUNCTION sum (TOK_FUNCTION substr (. (TOK_TABLE_OR_COL src) value) 5)))) (TOK_GROUPBY (. (TOK_TABLE_OR_COL src) key)) (TOK_LIMIT 5))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 is a root stage STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: src TableScan alias: src Select Operator expressions: expr: key type: string expr: value type: string outputColumnNames: key, value Group By Operator aggregations: expr: sum(substr(value, 5)) bucketGroup: false keys: expr: key type: string mode: hash outputColumnNames: _col0, _col1 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: -1 value expressions: expr: _col1 type: double Reduce Operator Tree: Group By Operator aggregations: expr: sum(VALUE._col0) bucketGroup: false keys: expr: KEY._col0 type: string mode: mergepartial outputColumnNames: _col0, _col1 Select Operator expressions: expr: _col0 type: string expr: _col1 type: double outputColumnNames: _col0, _col1 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: 5 PREHOOK: query: SELECT src.key, sum(substr(src.value,5)) FROM src GROUP BY src.key LIMIT 5 PREHOOK: type: QUERY PREHOOK: Input: default@src #### A masked pattern was here #### POSTHOOK: query: SELECT src.key, sum(substr(src.value,5)) FROM src GROUP BY src.key LIMIT 5 POSTHOOK: type: QUERY POSTHOOK: Input: default@src #### A masked pattern was here #### 0 0.0 10 10.0 100 200.0 103 206.0 104 208.0