[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Szehon Ho updated HIVE-8448: Resolution: Fixed Fix Version/s: 0.15.0 Status: Resolved (was: Patch Available) Makes sense. Committed to trunk, thanks Yongzhi for the contribution and Jason for additional review ! Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor Fix For: 0.15.0 Attachments: HIVE-8448.4.patch create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Attachment: HIVE-8448.1.patch Need code review. Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor Attachments: HIVE-8448.1.patch create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Affects Version/s: 0.13.1 Status: Patch Available (was: Open) when SemanticAnalyzer check union plan, it use getCommonClassForUnionAll, but when evaluate union operator it uses getCommonClass. The inconsistency cause some queries with multiple union all on date type column can pass the analyzer but fail with HiveException: Incompatible types at execute time. Fixed by use new updateForUnionAll method which use getCommonClassForUnionAll to update column for union operator. Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor Attachments: HIVE-8448.1.patch create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Attachment: HIVE-8448.2.patch fixes after review Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor Attachments: HIVE-8448.1.patch, HIVE-8448.2.patch create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Status: Open (was: Patch Available) Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor Attachments: HIVE-8448.1.patch, HIVE-8448.2.patch create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Attachment: HIVE-8448.3.patch need review Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor Attachments: HIVE-8448.1.patch, HIVE-8448.2.patch, HIVE-8448.3.patch create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Status: Patch Available (was: Open) Fixed code style after review Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor Attachments: HIVE-8448.1.patch, HIVE-8448.2.patch, HIVE-8448.3.patch create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Attachment: (was: HIVE-8448.3.patch) Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Attachment: (was: HIVE-8448.2.patch) Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Attachment: (was: HIVE-8448.1.patch) Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Attachment: HIVE-8448.4.patch need code review Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor Attachments: HIVE-8448.4.patch create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Status: Open (was: Patch Available) Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-8448: --- Status: Patch Available (was: Open) Fixed code style after review Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Affects Versions: 0.13.1 Reporter: Chaoyu Tang Assignee: Yongzhi Chen Priority: Minor Attachments: HIVE-8448.4.patch create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Chaoyu Tang updated HIVE-8448: -- Description: create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need refactoring. was: create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Reporter: Chaoyu Tang Assignee: Chaoyu Tang Priority: Minor create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will
[jira] [Updated] (HIVE-8448) Union All might not work due to the type conversion issue
[ https://issues.apache.org/jira/browse/HIVE-8448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Chaoyu Tang updated HIVE-8448: -- Description: create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need to be cleaned and refactored. was: create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10)); insert overwrite table t2 select '2014-10-10' from src limit 1; == Query: select t.val from (select val from t1 union all select val from t1 union all select val from t2 union all select val from t1) t; == Will throw exception: {code} Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Incompatible types for union operator at org.apache.hadoop.hive.ql.exec.UnionOperator.initializeOp(UnionOperator.java:86) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:65) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:464) at org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:420) at org.apache.hadoop.hive.ql.exec.TableScanOperator.initializeOp(TableScanOperator.java:193) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.MapOperator.initializeOp(MapOperator.java:443) at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:380) at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.configure(ExecMapper.java:133) ... 22 more {code} It was because at this query parse step, getCommonClassForUnionAll is used, but at execution getCommonClass is used. They are not used consistently in union. The later one does not support the implicit conversion from date to string, which is the problem cause. The change might be simple to fix this particular union issue but I noticed that there are three versions of getCommonClass: getCommonClass, getCommonClassForComparison, getCommonClassForUnionAll, and wonder if they need refactoring. Union All might not work due to the type conversion issue - Key: HIVE-8448 URL: https://issues.apache.org/jira/browse/HIVE-8448 Project: Hive Issue Type: Bug Reporter: Chaoyu Tang Assignee: Chaoyu Tang Priority: Minor create table t1 (val date); insert overwrite table t1 select '2014-10-10' from src limit 1; create table t2 (val varchar(10));