PREHOOK: query: create table dest30(a int) PREHOOK: type: CREATETABLE POSTHOOK: query: create table dest30(a int) POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@dest30 PREHOOK: query: create table tst_dest30(a int) PREHOOK: type: CREATETABLE POSTHOOK: query: create table tst_dest30(a int) POSTHOOK: type: CREATETABLE POSTHOOK: Output: default@tst_dest30 PREHOOK: query: explain insert overwrite table dest30 select count(1) from src PREHOOK: type: QUERY POSTHOOK: query: explain insert overwrite table dest30 select count(1) from src POSTHOOK: type: QUERY ABSTRACT SYNTAX TREE: (TOK_QUERY (TOK_FROM (TOK_TABREF (TOK_TABNAME src))) (TOK_INSERT (TOK_DESTINATION (TOK_TAB (TOK_TABNAME dest30))) (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: src TableScan alias: src Filter Operator predicate: expr: (((hash(rand(460476415)) & 2147483647) % 32) = 0) type: boolean 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_dest30 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_dest30 Stage: Stage-2 Stats-Aggr Operator PREHOOK: query: insert overwrite table dest30 select count(1) from src PREHOOK: type: QUERY PREHOOK: Input: default@src PREHOOK: Output: default@tst_dest30 POSTHOOK: query: insert overwrite table dest30 select count(1) from src POSTHOOK: type: QUERY POSTHOOK: Input: default@src POSTHOOK: Output: default@tst_dest30 POSTHOOK: Lineage: tst_dest30.a EXPRESSION [(src)src.null, ] PREHOOK: query: select * from tst_dest30 PREHOOK: type: QUERY PREHOOK: Input: default@tst_dest30 PREHOOK: Output: file:/tmp/sdong/hive_2011-02-10_15-55-14_824_7555560565228029700/-mr-10000 POSTHOOK: query: select * from tst_dest30 POSTHOOK: type: QUERY POSTHOOK: Input: default@tst_dest30 POSTHOOK: Output: file:/tmp/sdong/hive_2011-02-10_15-55-14_824_7555560565228029700/-mr-10000 POSTHOOK: Lineage: tst_dest30.a EXPRESSION [(src)src.null, ] 18