PREHOOK: query: create table dest32(a int) PREHOOK: type: CREATETABLE POSTHOOK: query: create table dest32(a int) POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@dest32 PREHOOK: query: create table tst_dest32(a int) PREHOOK: type: CREATETABLE POSTHOOK: query: create table tst_dest32(a int) POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@tst_dest32 PREHOOK: query: explain insert overwrite table dest32 select count(1) from srcbucket PREHOOK: type: QUERY POSTHOOK: query: explain insert overwrite table dest32 select count(1) from srcbucket POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME srcbucket))) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME dest32))) (TOK_SELECT (TOK_SELEXPR (TOK_FUNCTION count 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: srcbucket TableScan alias: srcbucket Select Operator Group By Operator aggregations: expr: count(1) bucketGroup: false mode: hash outputColumnNames: _col0 Reduce Output Operator sort order: tag: -1 value expressions: expr: _col0 type: bigint Reduce Operator Tree: Group By Operator aggregations: expr: count(VALUE._col0) bucketGroup: false mode: mergepartial outputColumnNames: _col0 Select Operator expressions: expr: _col0 type: bigint outputColumnNames: _col0 Select Operator expressions: expr: UDFToInteger(_col0) type: int 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.tst_dest32 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.tst_dest32 Stage: Stage-2 Stats-Aggr Operator PREHOOK: query: insert overwrite table dest32 select count(1) from srcbucket PREHOOK: type: QUERY PREHOOK: Input: default@srcbucket PREHOOK: Output: default@tst_dest32 POSTHOOK: query: insert overwrite table dest32 select count(1) from srcbucket POSTHOOK: type: QUERY POSTHOOK: Input: default@srcbucket POSTHOOK: Output: default@tst_dest32 POSTHOOK: Lineage: tst_dest32.a EXPRESSION [(srcbucket)srcbucket.null, ] PREHOOK: query: select * from tst_dest32 PREHOOK: type: QUERY PREHOOK: Input: default@tst_dest32 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_15-55-25_816_8083027825061354059/-mr-10000 POSTHOOK: query: select * from tst_dest32 POSTHOOK: type: QUERY POSTHOOK: Input: default@tst_dest32 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_15-55-25_816_8083027825061354059/-mr-10000 POSTHOOK: Lineage: tst_dest32.a EXPRESSION [(srcbucket)srcbucket.null, ] 1000