You've already forked mariadb-columnstore-engine
							
							
				mirror of
				https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
				synced 2025-11-03 17:13:17 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			103 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
Operation: table access
 | 
						|
Options: FULL
 | 
						|
Object_type: TABLE
 | 
						|
Other: 
 | 
						|
Object_owner: CALUSER01
 | 
						|
Search_columns: 
 | 
						|
Projection: R_REGIONKEY^R_NAME
 | 
						|
Object_name: REGION
 | 
						|
Alias: REGION@SEL$1
 | 
						|
Extended_information: 
 | 
						|
Access_predicates: 
 | 
						|
Filter_predicates: 
 | 
						|
Select_level: SEL$1
 | 
						|
--------------------
 | 
						|
Operation: table access
 | 
						|
Options: FULL
 | 
						|
Object_type: TABLE
 | 
						|
Other: 
 | 
						|
Object_owner: CALUSER01
 | 
						|
Search_columns: 
 | 
						|
Projection: N_NAME
 | 
						|
Object_name: NATION
 | 
						|
Alias: NATION@SEL$1
 | 
						|
Extended_information:    FP:N_REGIONKEY=R_REGIONKEY
 | 
						|
Access_predicates: 
 | 
						|
Filter_predicates: N_REGIONKEY=R_REGIONKEY
 | 
						|
Select_level: SEL$1
 | 
						|
--------------------
 | 
						|
Operation: nested loops
 | 
						|
Options: 
 | 
						|
Object_type: 
 | 
						|
Other: 
 | 
						|
Object_owner: 
 | 
						|
Search_columns: 
 | 
						|
Projection:  R_NAME^N_NAME
 | 
						|
Object_name: 
 | 
						|
Alias: 
 | 
						|
Extended_information: 
 | 
						|
Access_predicates: 
 | 
						|
Filter_predicates: 
 | 
						|
Select_level: SEL$1
 | 
						|
--------------------
 | 
						|
Operation: select statement
 | 
						|
Options: 
 | 
						|
Object_type: 
 | 
						|
Other: 
 | 
						|
Object_owner: 
 | 
						|
Search_columns: 
 | 
						|
Projection: 
 | 
						|
Object_name: 
 | 
						|
Alias: 
 | 
						|
Extended_information: 
 | 
						|
Access_predicates: 
 | 
						|
Filter_predicates: 
 | 
						|
Select_level: 
 | 
						|
--------------------
 | 
						|
TOKEN: <N_REGIONKEY=R_REGIONKEY>
 | 
						|
TOKEN: <N_REGIONKEY=R_REGIONKEY>
 | 
						|
Operator: (
 | 
						|
SimpleFilter
 | 
						|
  SimpleColumn tpch.NATION.N_REGIONKEY
 | 
						|
  s/t/c/T/A/RA: tpch/NATION/N_REGIONKEY/6//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//0
 | 
						|
 | 
						|
R_NAME: SimpleColumn tpch.REGION.R_NAME
 | 
						|
  s/t/c/T/A/RA: tpch/REGION/R_NAME/2/REGION/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.REGION.R_NAME
 | 
						|
  s/t/c/T/A/RA: tpch/REGION/R_NAME/2/REGION/0
 | 
						|
 | 
						|
SimpleColumn tpch.NATION.N_NAME
 | 
						|
  s/t/c/T/A/RA: tpch/NATION/N_NAME/5/NATION/0
 | 
						|
 | 
						|
>>Filters
 | 
						|
SimpleFilter
 | 
						|
  SimpleColumn tpch.NATION.N_REGIONKEY
 | 
						|
  s/t/c/T/A/RA: tpch/NATION/N_REGIONKEY/6//0
 | 
						|
  Operator: =  SimpleColumn tpch.REGION.R_REGIONKEY
 | 
						|
  s/t/c/T/A/RA: tpch/REGION/R_REGIONKEY/1/REGION/0
 | 
						|
 | 
						|
SessionID: 375
 | 
						|
TxnID: 103
 | 
						|
VerID: 103
 | 
						|
--- Column Map ---
 | 
						|
N_NAME : 0x8c41bc0
 | 
						|
N_REGIONKEY : 0x8c42c18
 | 
						|
R_NAME : 0x8c41b90
 | 
						|
R_REGIONKEY : 0x8c15c90
 | 
						|
 |