You've already forked mariadb-columnstore-engine
							
							
				mirror of
				https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
				synced 2025-10-30 07:25:34 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			137 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			137 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
		
			Executable File
		
	
	
	
	
| Q13
 | |
| select
 | |
| 	c_count,
 | |
| 	count(*) as custdist
 | |
| from
 | |
| 	(
 | |
| 		select
 | |
| 			c_custkey,
 | |
| 			count(o_orderkey)
 | |
| 		from
 | |
| 			customer left outer join orders on
 | |
| 				c_custkey = o_custkey
 | |
| 				and o_comment not like '%:1%:2%'
 | |
| 		group by
 | |
| 			c_custkey
 | |
| 	) as c_orders (c_custkey, c_count)
 | |
| group by
 | |
| 	c_count
 | |
| order by
 | |
| 	custdist desc,
 | |
| 	c_count desc;
 | |
| 	
 | |
| Oracle Execution Plan	
 | |
| 
 | |
| Operation: table access
 | |
| Options: FULL
 | |
| Object_type: TABLE
 | |
| Other: 
 | |
| Object_owner: CALUSER01
 | |
| Search_columns: 
 | |
| Projection: C_CUSTKEY
 | |
| Object_name: CUSTOMER
 | |
| Alias: CUSTOMER@SEL$3
 | |
| Extended_information: 
 | |
| Access_predicates: 
 | |
| Filter_predicates: 
 | |
| Select_level: SEL$54D64B3C
 | |
| --------------------
 | |
| Operation: table access
 | |
| Options: FULL
 | |
| Object_type: TABLE
 | |
| Other: 
 | |
| Object_owner: CALUSER01
 | |
| Search_columns: 
 | |
| Projection: ORDERS.O_ORDERKEY^O_CUSTKEY
 | |
| Object_name: ORDERS
 | |
| Alias: ORDERS@SEL$2
 | |
| Extended_information:    FP:O_COMMENT(+) NOT LIKE '%:1%:2%'
 | |
| Access_predicates: 
 | |
| Filter_predicates: O_COMMENT(+) NOT LIKE '%:1%:2%'
 | |
| Select_level: SEL$54D64B3C
 | |
| --------------------
 | |
| Operation: hash join
 | |
| Options: OUTER
 | |
| Object_type: 
 | |
| Other: 
 | |
| Object_owner: 
 | |
| Search_columns: 
 | |
| Projection:  C_CUSTKEY^ORDERS.O_ORDERKEY
 | |
| Object_name: 
 | |
| Alias: 
 | |
| Extended_information:    AP:C_CUSTKEY=O_CUSTKEY(+)
 | |
| Access_predicates: C_CUSTKEY=O_CUSTKEY(+)
 | |
| Filter_predicates: 
 | |
| Select_level: 
 | |
| --------------------
 | |
| Operation: hash
 | |
| Options: GROUP BY
 | |
| Object_type: 
 | |
| Other: 
 | |
| Object_owner: 
 | |
| Search_columns: 
 | |
| Projection:  CUSTOMER.C_CUSTKEY^COUNT(ORDERS.O_ORDERKEY)
 | |
| Object_name: 
 | |
| Alias: 
 | |
| Extended_information: 
 | |
| Access_predicates: 
 | |
| Filter_predicates: 
 | |
| Select_level: SEL$54D64B3C
 | |
| --------------------
 | |
| Operation: view
 | |
| Options: 
 | |
| Object_type: 
 | |
| Other: 
 | |
| Object_owner: CALUSER01
 | |
| Search_columns: 
 | |
| Projection: C_COUNT
 | |
| Object_name: 
 | |
| Alias: C_ORDERS@SEL$1
 | |
| Extended_information: 
 | |
| Access_predicates: 
 | |
| Filter_predicates: 
 | |
| Select_level: SEL$54D64B3C
 | |
| --------------------
 | |
| Operation: hash
 | |
| Options: GROUP BY
 | |
| Object_type: 
 | |
| Other: 
 | |
| Object_owner: 
 | |
| Search_columns: 
 | |
| Projection:  C_COUNT^COUNT(ALL)
 | |
| Object_name: 
 | |
| Alias: 
 | |
| Extended_information: 
 | |
| Access_predicates: 
 | |
| Filter_predicates: 
 | |
| Select_level: 
 | |
| --------------------
 | |
| Operation: sort
 | |
| Options: ORDER BY
 | |
| Object_type: 
 | |
| Other: 
 | |
| Object_owner: 
 | |
| Search_columns: 
 | |
| Projection:  COUNT(ALL)^INTERNAL_FUNCTION(C_COUNT)
 | |
| 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: 
 | |
| --------------------
 |