maheshk114 commented on a change in pull request #1147:
URL: https://github.com/apache/hive/pull/1147#discussion_r459990495
##########
File path:
ql/src/test/results/clientpositive/perf/tez/cbo_query16_anti_join.q.out
##########
@@ -0,0 +1,99 @@
+PREHOOK: query: explain cbo
+select
+ count(distinct cs_order_number) as `order count`
+ ,sum(cs_ext_ship_cost) as `total shipping cost`
+ ,sum(cs_net_profit) as `total net profit`
+from
+ catalog_sales cs1
+ ,date_dim
+ ,customer_address
+ ,call_center
+where
+ d_date between '2001-4-01' and
+ (cast('2001-4-01' as date) + 60 days)
+and cs1.cs_ship_date_sk = d_date_sk
+and cs1.cs_ship_addr_sk = ca_address_sk
+and ca_state = 'NY'
+and cs1.cs_call_center_sk = cc_call_center_sk
+and cc_county in ('Ziebach County','Levy County','Huron County','Franklin
Parish',
+ 'Daviess County'
+)
+and exists (select *
+ from catalog_sales cs2
+ where cs1.cs_order_number = cs2.cs_order_number
+ and cs1.cs_warehouse_sk <> cs2.cs_warehouse_sk)
+and not exists(select *
+ from catalog_returns cr1
+ where cs1.cs_order_number = cr1.cr_order_number)
+order by count(distinct cs_order_number)
+limit 100
+PREHOOK: type: QUERY
+PREHOOK: Input: default@call_center
+PREHOOK: Input: default@catalog_returns
+PREHOOK: Input: default@catalog_sales
+PREHOOK: Input: default@customer_address
+PREHOOK: Input: default@date_dim
+PREHOOK: Output: hdfs://### HDFS PATH ###
+POSTHOOK: query: explain cbo
+select
+ count(distinct cs_order_number) as `order count`
+ ,sum(cs_ext_ship_cost) as `total shipping cost`
+ ,sum(cs_net_profit) as `total net profit`
+from
+ catalog_sales cs1
+ ,date_dim
+ ,customer_address
+ ,call_center
+where
+ d_date between '2001-4-01' and
+ (cast('2001-4-01' as date) + 60 days)
+and cs1.cs_ship_date_sk = d_date_sk
+and cs1.cs_ship_addr_sk = ca_address_sk
+and ca_state = 'NY'
+and cs1.cs_call_center_sk = cc_call_center_sk
+and cc_county in ('Ziebach County','Levy County','Huron County','Franklin
Parish',
+ 'Daviess County'
+)
+and exists (select *
+ from catalog_sales cs2
+ where cs1.cs_order_number = cs2.cs_order_number
+ and cs1.cs_warehouse_sk <> cs2.cs_warehouse_sk)
+and not exists(select *
+ from catalog_returns cr1
+ where cs1.cs_order_number = cr1.cr_order_number)
+order by count(distinct cs_order_number)
+limit 100
+POSTHOOK: type: QUERY
+POSTHOOK: Input: default@call_center
+POSTHOOK: Input: default@catalog_returns
+POSTHOOK: Input: default@catalog_sales
+POSTHOOK: Input: default@customer_address
+POSTHOOK: Input: default@date_dim
+POSTHOOK: Output: hdfs://### HDFS PATH ###
+CBO PLAN:
+HiveAggregate(group=[{}], agg#0=[count(DISTINCT $4)], agg#1=[sum($5)],
agg#2=[sum($6)])
+ HiveJoin(condition=[=($4, $14)], joinType=[anti], algorithm=[none],
cost=[not available])
Review comment:
I think, it's not a problem. The filed index are for different input. So
even though the number is same the condition is different. Even without anti
join, the condition is same.
HiveFilter(condition=[IS NULL($13)])
HiveJoin(condition=[=($4, $14)], joinType=[left], algorithm=[none],
cost=[not available])
HiveSemiJoin(condition=[AND(<>($3, $13), =($4, $14))], joinType=[semi])
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