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mariadb-columnstore-engine/dbcon/doc/oraclexplan/hashjoinanti01.log
2016-01-06 14:08:59 -06:00

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Operation: table access
Options: FULL
Object_type: TABLE
Other:
Object_owner: JLOWE
Search_columns:
Projection: N_REGIONKEY^N_NAME
Object_name: NATION
Alias: NATION@SEL$1
Extended_information:
Access_predicates:
Filter_predicates:
Select_level: SEL$5DA710D3
--------------------
Operation: table access
Options: FULL
Object_type: TABLE
Other:
Object_owner: JLOWE
Search_columns:
Projection: R_REGIONKEY
Object_name: REGION
Alias: REGION@SEL$2
Extended_information: FP:R_NAME='ASIA'
Access_predicates:
Filter_predicates: R_NAME='ASIA'
Select_level: SEL$5DA710D3
--------------------
Operation: hash join
Options: ANTI
Object_type:
Other:
Object_owner:
Search_columns:
Projection: N_NAME
Object_name:
Alias:
Extended_information: AP:N_REGIONKEY=R_REGIONKEY
Access_predicates: N_REGIONKEY=R_REGIONKEY
Filter_predicates:
Select_level: SEL$5DA710D3
--------------------
Operation: select statement
Options:
Object_type:
Other:
Object_owner:
Search_columns:
Projection:
Object_name:
Alias:
Extended_information:
Access_predicates:
Filter_predicates:
Select_level:
--------------------
TOKEN: <R_NAME='ASIA'>
TOKEN: <R_NAME='ASIA'>
TOKEN: <N_REGIONKEY=R_REGIONKEY>
TOKEN: <N_REGIONKEY=R_REGIONKEY>
Operator: (
SimpleFilter
SimpleColumn tpch.REGION.R_NAME
s/t/c/T/A/RA: tpch/REGION/R_NAME/2//0
Operator: = ConstantColumn: ASIA(l)
Operator: )
Operator: and
Operator: (
SimpleFilter
SimpleColumn tpch.NATION.N_REGIONKEY
s/t/c/T/A/RA: tpch/NATION/N_REGIONKEY/6/NATION/0
Operator: = SimpleColumn tpch.REGION.R_REGIONKEY
s/t/c/T/A/RA: tpch/REGION/R_REGIONKEY/1/REGION/0
Operator: )
N_NAME: SimpleColumn tpch.NATION.N_NAME
s/t/c/T/A/RA: tpch/NATION/N_NAME/5/NATION/0
N_REGIONKEY: SimpleColumn tpch.NATION.N_REGIONKEY
s/t/c/T/A/RA: tpch/NATION/N_REGIONKEY/6/NATION/0
R_NAME: SimpleColumn tpch.REGION.R_NAME
s/t/c/T/A/RA: tpch/REGION/R_NAME/2//0
R_REGIONKEY: SimpleColumn tpch.REGION.R_REGIONKEY
s/t/c/T/A/RA: tpch/REGION/R_REGIONKEY/1/REGION/0
>SELECT MAIN
>>Returned Columns
SimpleColumn tpch.NATION.N_NAME
s/t/c/T/A/RA: tpch/NATION/N_NAME/5/NATION/0
>>Filters
SimpleFilter
SimpleColumn tpch.REGION.R_NAME
s/t/c/T/A/RA: tpch/REGION/R_NAME/2//0
Operator: = ConstantColumn: ASIA(l)
SimpleFilter
SimpleColumn tpch.NATION.N_REGIONKEY
s/t/c/T/A/RA: tpch/NATION/N_REGIONKEY/6/NATION/0
Operator: = SimpleColumn tpch.REGION.R_REGIONKEY
s/t/c/T/A/RA: tpch/REGION/R_REGIONKEY/1/REGION/0
Operator: and
SessionID: 267
TxnID: 52
VerID: 52
--- Column Map ---
N_NAME : 0x986daa8
N_REGIONKEY : 0x9840c00
R_NAME : 0x986db38
R_REGIONKEY : 0x986dad8