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Hive QA commented on HIVE-21021: -------------------------------- | (/) *{color:green}+1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || || || || || {color:brown} Prechecks {color} || | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s{color} | {color:green} The patch does not contain any @author tags. {color} | || || || || {color:brown} master Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 40s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 0s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 37s{color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m 41s{color} | {color:blue} ql in master has 2311 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 54s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 21s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 1s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 1s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 34s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s{color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m 52s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 53s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 13s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 22m 16s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Optional Tests | asflicense javac javadoc findbugs checkstyle compile | | uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux | | Build tool | maven | | Personality | /data/hiveptest/working/yetus_PreCommit-HIVE-Build-15223/dev-support/hive-personality.sh | | git revision | master / d8c500b | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | modules | C: ql U: ql | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-15223/yetus.txt | | Powered by | Apache Yetus http://yetus.apache.org | This message was automatically generated. > Scalar subquery with only aggregate in subquery (no group by) has unnecessary > sq_count_check branch > --------------------------------------------------------------------------------------------------- > > Key: HIVE-21021 > URL: https://issues.apache.org/jira/browse/HIVE-21021 > Project: Hive > Issue Type: Improvement > Affects Versions: 3.0.0 > Reporter: Vineet Garg > Assignee: Vineet Garg > Priority: Major > Attachments: HIVE-21021.1.patch > > > {code:sql} > CREATE TABLE `store_sales`( > `ss_sold_date_sk` int, > `ss_quantity` int, > `ss_list_price` decimal(7,2)); > CREATE TABLE `date_dim`( > `d_date_sk` int, > `d_year` int); > explain cbo with avg_sales as > (select avg(quantity*list_price) average_sales > from (select ss_quantity quantity > ,ss_list_price list_price > from store_sales > ,date_dim > where ss_sold_date_sk = d_date_sk > and d_year between 1999 and 2001 ) x) > select * from store_sales where ss_list_price > (select average_sales from > avg_sales); > {code} > {noformat} > CBO PLAN: > HiveProject(ss_sold_date_sk=[$0], ss_quantity=[$1], ss_list_price=[$2]) > HiveJoin(condition=[true], joinType=[inner], algorithm=[none], cost=[{2.0 > rows, 0.0 cpu, 0.0 io}]) > HiveJoin(condition=[>($2, $3)], joinType=[inner], algorithm=[none], > cost=[{2.0 rows, 0.0 cpu, 0.0 io}]) > HiveProject(ss_sold_date_sk=[$0], ss_quantity=[$1], ss_list_price=[$2]) > HiveTableScan(table=[[sub, store_sales]], table:alias=[store_sales]) > HiveProject($f0=[/($0, $1)]) > HiveAggregate(group=[{}], agg#0=[sum($0)], agg#1=[count($0)]) > HiveProject($f0=[*(CAST($1):DECIMAL(10, 0), $2)]) > HiveJoin(condition=[=($0, $3)], joinType=[inner], > algorithm=[none], cost=[{2.0 rows, 0.0 cpu, 0.0 io}]) > HiveProject(ss_sold_date_sk=[$0], ss_quantity=[$1], > ss_list_price=[$2]) > HiveFilter(condition=[IS NOT NULL($0)]) > HiveTableScan(table=[[sub, store_sales]], > table:alias=[store_sales]) > HiveProject(d_date_sk=[$0]) > HiveFilter(condition=[AND(BETWEEN(false, $1, 1999, 2001), IS > NOT NULL($0))]) > HiveTableScan(table=[[sub, date_dim]], > table:alias=[date_dim]) > HiveProject(cnt=[$0]) > HiveFilter(condition=[<=(sq_count_check($0), 1)]) > HiveProject(cnt=[$0]) > HiveAggregate(group=[{}], cnt=[COUNT()]) > HiveProject > HiveProject($f0=[$0]) > HiveAggregate(group=[{}], agg#0=[count($0)]) > HiveJoin(condition=[=($0, $3)], joinType=[inner], > algorithm=[none], cost=[{2.0 rows, 0.0 cpu, 0.0 io}]) > HiveProject(ss_sold_date_sk=[$0], ss_quantity=[$1], > ss_list_price=[$2]) > HiveFilter(condition=[IS NOT NULL($0)]) > HiveTableScan(table=[[sub, store_sales]], > table:alias=[store_sales]) > HiveProject(d_date_sk=[$0]) > HiveFilter(condition=[AND(BETWEEN(false, $1, 1999, > 2001), IS NOT NULL($0))]) > HiveTableScan(table=[[sub, date_dim]], > table:alias=[date_dim]) > {noformat} -- This message was sent by Atlassian JIRA (v7.6.3#76005)