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https://issues.apache.org/jira/browse/HIVE-10296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16632922#comment-16632922
 ] 

Hive QA commented on HIVE-10296:
--------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
1s{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}  8m 
16s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
25s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
 7s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m  
8s{color} | {color:blue} standalone-metastore/metastore-server in master has 
182 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
18s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
28s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
 7s{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}  1m 
13s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
18s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 
14s{color} | {color:red} The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 13m 22s{color} | 
{color:black} {color} |
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|| 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-14123/dev-support/hive-personality.sh
 |
| git revision | master / 05ddd21 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| asflicense | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14123/yetus/patch-asflicense-problems.txt
 |
| modules | C: standalone-metastore/metastore-server U: 
standalone-metastore/metastore-server |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14123/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> Cast exception observed when hive runs a multi join query on metastore 
> (postgres), since postgres pushes the filter into the join, and ignores the 
> condition before applying cast
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-10296
>                 URL: https://issues.apache.org/jira/browse/HIVE-10296
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.13.1
>            Reporter: Yash Datta
>            Assignee: Karthik Manamcheri
>            Priority: Major
>         Attachments: HIVE-10296.1.patch
>
>
> Try to drop a partition from hive:
> ALTER TABLE f___edr_bin_source___900_sub_id DROP IF EXISTS PARTITION ( 
> exporttimestamp=1427824800, timestamp=1427824800)
> This triggers a query on the metastore like this :
>  "select "PARTITIONS"."PART_ID" from "PARTITIONS" inner join "TBLS" on 
> "PARTITIONS"."TBL_ID" = "TBLS"."TBL_ID" and "TBLS"."TBL_NAME" = ? inner join 
> "DBS" on "TBLS"."DB_ID" = "DBS"."DB_ID" and "DBS"."NAME" = ? inner join 
> "PARTITION_KEY_VALS" "FILTER0" on "FILTER0"."PART_ID" = 
> "PARTITIONS"."PART_ID" and "FILTER0"."INTEGER_IDX" = 0 inner join 
> "PARTITION_KEY_VALS" "FILTER1" on "FILTER1"."PART_ID" = 
> "PARTITIONS"."PART_ID" and "FILTER1"."INTEGER_IDX" = 1 where ( (((case when 
> "TBLS"."TBL_NAME" = ? and "DBS"."NAME" = ? then cast("FILTER0"."PART_KEY_VAL" 
> as decimal(21,0)) else null end) = ?) and ((case when "TBLS"."TBL_NAME" = ? 
> and "DBS"."NAME" = ? then cast("FILTER1"."PART_KEY_VAL" as decimal(21,0)) 
> else null end) = ?)) )"
> In some cases, when the internal tables in postgres (metastore) have some 
> amount of data, the query plan pushes the condition down into the join.
> Now because of DERBY-6358 , case when clause is used before the cast, but in 
> this case , cast is evaluated before condition being evaluated. So in case we 
> have different tables partitioned on string and integer columns, cast 
> exception is observed!
> 15/04/06 08:41:20 ERROR metastore.ObjectStore: Direct SQL failed, falling 
> back to ORM 
> javax.jdo.JDODataStoreException: Error executing SQL query "select 
> "PARTITIONS"."PART_ID" from "PARTITIONS" inner join "TBLS" on 
> "PARTITIONS"."TBL_ID" = "TBLS"."TBL_ID" and "TBLS"."TBL_NAME" = ? inner join 
> "DBS" on "TBLS"."DB_ID" = "DBS"."DB_ID" and "DBS"."NAME" = ? inner join 
> "PARTITION_KEY_VALS" "FILTER0" on "FILTER0"."PART_ID" = 
> "PARTITIONS"."PART_ID" and "FILTER0"."INTEGER_IDX" = 0 inner join 
> "PARTITION_KEY_VALS" "FILTER1" on "FILTER1"."PART_ID" = 
> "PARTITIONS"."PART_ID" and "FILTER1"."INTEGER_IDX" = 1 where ( (((case when 
> "TBLS"."TBL_NAME" = ? and "DBS"."NAME" = ? then cast("FILTER0"."PART_KEY_VAL" 
> as decimal(21,0)) else null end) = ?) and ((case when "TBLS"."TBL_NAME" = ? 
> and "DBS"."NAME" = ? then cast("FILTER1"."PART_KEY_VAL" as decimal(21,0)) 
> else null end) = ?)) )". 
>         at 
> org.datanucleus.api.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:451)
>  
>         at 
> org.datanucleus.api.jdo.JDOQuery.executeWithArray(JDOQuery.java:321) 
>         at 
> org.apache.hadoop.hive.metastore.MetaStoreDirectSql.getPartitionsViaSqlFilterInternal(MetaStoreDirectSql.java:300)
>  
>         at 
> org.apache.hadoop.hive.metastore.MetaStoreDirectSql.getPartitionsViaSqlFilter(MetaStoreDirectSql.java:211)
>  
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore$3.getSqlResult(ObjectStore.java:1915)
>  
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore$3.getSqlResult(ObjectStore.java:1909)
>  
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore$GetHelper.run(ObjectStore.java:2208)
>  
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore.getPartitionsByExprInternal(ObjectStore.java:1909)
>  
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore.getPartitionsByExpr(ObjectStore.java:1882)
>  
> org.postgresql.util.PSQLException: ERROR: invalid input syntax for type 
> numeric: "__DEFAULT_BINSRC__" 
> 15/04/06 08:41:20 INFO metastore.ObjectStore: JDO filter pushdown cannot be 
> used: Filtering is supported only on partition keys of type string 
> 15/04/06 08:41:20 ERROR metastore.ObjectStore: 
> javax.jdo.JDOException: Exception thrown when executing query 
>         at 
> org.datanucleus.api.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:596)
>  
>         at org.datanucleus.api.jdo.JDOQuery.execute(JDOQuery.java:275) 
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore.getPartitionNamesNoTxn(ObjectStore.java:1700)
>  
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore.getPartitionNamesPrunedByExprNoTxn(ObjectStore.java:2003)
>  
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore.access$400(ObjectStore.java:146) 
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore$3.getJdoResult(ObjectStore.java:1937)
>  
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore$3.getJdoResult(ObjectStore.java:1909)
>  
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore$GetHelper.run(ObjectStore.java:2214)
>  
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore.getPartitionsByExprInternal(ObjectStore.java:1909)
>  
>         at 
> org.apache.hadoop.hive.metastore.ObjectStore.getPartitionsByExpr(ObjectStore.java:1882)
>  



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