PREHOOK: query: CREATE TABLE dest1(c1 STRING) STORED AS TEXTFILE PREHOOK: type: CREATETABLE POSTHOOK: query: CREATE TABLE dest1(c1 STRING) STORED AS TEXTFILE POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@dest1 PREHOOK: query: EXPLAIN FROM src INSERT OVERWRITE TABLE dest1 SELECT DISTINCT substr(src.value,5,1) PREHOOK: type: QUERY POSTHOOK: query: EXPLAIN FROM src INSERT OVERWRITE TABLE dest1 SELECT DISTINCT substr(src.value,5,1) POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME dest1))) (TOK_SELECTDI (TOK_SELEXPR (TOK_FUNCTION substr (. (TOK_TABLE_OR_COL src) value) 5 1))))) STAGE DEPENDENCIES: Stage-1 is a root stage Stage-0 depends on stages: Stage-1 Stage-2 depends on stages: Stage-0 STAGE PLANS: Stage: Stage-1 Map Reduce Alias -> Map Operator Tree: src TableScan alias: src Select Operator expressions: expr: value type: string outputColumnNames: value Group By Operator bucketGroup: false keys: expr: substr(value, 5, 1) type: string mode: hash outputColumnNames: _col0 Reduce Output Operator key expressions: expr: _col0 type: string sort order: + Map-reduce partition columns: expr: _col0 type: string tag: -1 Reduce Operator Tree: Group By Operator bucketGroup: false keys: expr: KEY._col0 type: string mode: mergepartial outputColumnNames: _col0 Select Operator expressions: expr: _col0 type: string outputColumnNames: _col0 File Output Operator compressed: false GlobalTableId: 1 table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe name: default.dest1 Stage: Stage-0 Move Operator tables: replace: true table: input format: org.apache.hadoop.mapred.TextInputFormat output format: org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat serde: org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe name: default.dest1 Stage: Stage-2 Stats-Aggr Operator PREHOOK: query: FROM src INSERT OVERWRITE TABLE dest1 SELECT DISTINCT substr(src.value,5,1) PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: default@dest1 POSTHOOK: query: FROM src INSERT OVERWRITE TABLE dest1 SELECT DISTINCT substr(src.value,5,1) POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: default@dest1 POSTHOOK: Lineage: dest1.c1 EXPRESSION [(src)src.FieldSchema(name:value, type:string, comment:default), ] PREHOOK: query: SELECT dest1.* FROM dest1 PREHOOK: type: QUERY PREHOOK: Input: default@dest1 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_01-52-02_815_806725915630239369/-mr-10000 POSTHOOK: query: SELECT dest1.* FROM dest1 POSTHOOK: type: QUERY POSTHOOK: Input: default@dest1 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_01-52-02_815_806725915630239369/-mr-10000 POSTHOOK: Lineage: dest1.c1 EXPRESSION [(src)src.FieldSchema(name:value, type:string, comment:default), ] 0 1 2 3 4 5 6 7 8 9