You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@sqoop.apache.org by "Sandish Kumar HN (JIRA)" <ji...@apache.org> on 2017/08/30 20:45:00 UTC
[jira] [Assigned] (SQOOP-3166) Sqoop1 (import + --query + aggregate
function + --split-by -m >=2) fails with error (unknown column)
[ https://issues.apache.org/jira/browse/SQOOP-3166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sandish Kumar HN reassigned SQOOP-3166:
---------------------------------------
Assignee: Sandish Kumar HN
> Sqoop1 (import + --query + aggregate function + --split-by -m >=2) fails with error (unknown column)
> ----------------------------------------------------------------------------------------------------
>
> Key: SQOOP-3166
> URL: https://issues.apache.org/jira/browse/SQOOP-3166
> Project: Sqoop
> Issue Type: Bug
> Reporter: Markus Kemper
> Assignee: Sandish Kumar HN
>
> This issue appears to be RDBMS generic.
> *Test Case*
> {noformat}
> ########################################################################
> # Description:
> #
> # 1. Sqoop import fails with Unknown Column error with the following conditions
> # 1.1. Using --query + sql aggregate function() + --split-by + --num-mappers >1 fails
> # 2. The Sqoop documentation does not seem to clarify requirements for "select list" and "--split-by"
> #
> # Documentation
> # http://archive.cloudera.com/cdh5/cdh/5/sqoop-1.4.6-cdh5.10.0/SqoopUserGuide.html#_controlling_parallelism
> # 7.2.4. Controlling Parallelism
> ########################################################################
> #################
> # STEP 01 - [ORACLE] Create Data
> #################
> export MYCONN=jdbc:oracle:thin:@oracle1.cloudera.com:1521/db11g;
> export MYUSER=sqoop
> export MYPSWD=cloudera
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "drop table t1"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "drop view v1"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "create table t1 (c1 int, c2 date, c3 varchar(10))"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "insert into t1 values (1, current_date, 'some data')"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "create view v1 as select c1 as \"ID\", c2, c3 from t1"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(c1) from t1"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(id) from v1"
> ------------------------
> | COUNT(C1) |
> ------------------------
> | 1 |
> ------------------------
> ~~~~~
> ------------------------
> | COUNT(ID) |
> ------------------------
> | 1 |
> ------------------------
> #################
> # STEP 02 - [ORACLE] Import from Table/View with --num-mappes 2 (reproduction)
> #################
> sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(c1) from t1 where \$CONDITIONS" --target-dir /user/root/t1 --delete-target-dir --num-mappers 2 --split-by C1 --verbose
> sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(id) from v1 where \$CONDITIONS" --target-dir /user/root/t1 --delete-target-dir --num-mappers 2 --split-by ID --verbose
> Output:
> 17/04/03 09:09:11 INFO db.DataDrivenDBInputFormat: BoundingValsQuery: SELECT MIN(C1), MAX(C1) FROM (select count(c1) from t1 where (1 = 1) ) t1
> 17/04/03 09:09:11 INFO mapreduce.JobSubmitter: Cleaning up the staging area /user/root/.staging/job_1490976836761_0069
> 17/04/03 09:09:11 WARN security.UserGroupInformation: PriviledgedActionException as:root (auth:SIMPLE) cause:java.io.IOException: java.sql.SQLSyntaxErrorException: ORA-00904: "C1": invalid identifier
> ~~~~~
> 17/04/03 09:10:01 INFO db.DataDrivenDBInputFormat: BoundingValsQuery: SELECT MIN(ID), MAX(ID) FROM (select count(id) from v1 where (1 = 1) ) t1
> 17/04/03 09:10:01 INFO mapreduce.JobSubmitter: Cleaning up the staging area /user/root/.staging/job_1490976836761_0070
> 17/04/03 09:10:01 WARN security.UserGroupInformation: PriviledgedActionException as:root (auth:SIMPLE) cause:java.io.IOException: java.sql.SQLSyntaxErrorException: ORA-00904: "ID": invalid identifier
> #################
> # STEP 03 - [ORACLE] Import from Table/View with --num-mappes 1 (workaround)
> #################
> sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(c1) from t1 where \$CONDITIONS" --target-dir /user/root/t1 --delete-target-dir --num-mappers 1 --split-by C1 --verbose
> sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(id) from v1 where \$CONDITIONS" --target-dir /user/root/t1 --delete-target-dir --num-mappers 1 --split-by ID --verbose
> Output:
> 17/04/03 09:07:11 INFO mapreduce.ImportJobBase: Transferred 2 bytes in 21.5799 seconds (0.0927 bytes/sec)
> 17/04/03 09:07:11 INFO mapreduce.ImportJobBase: Retrieved 1 records.
> ~~~~~
> 17/04/03 09:08:13 INFO mapreduce.ImportJobBase: Transferred 2 bytes in 20.4732 seconds (0.0977 bytes/sec)
> 17/04/03 09:08:13 INFO mapreduce.ImportJobBase: Retrieved 1 records.
> #################
> # STEP 04 - [MYSQL] Create Data
> #################
> export MYCONN=jdbc:mysql://mysql1.cloudera.com:3306/db_coe
> export MYUSER=sqoop
> export MYPSWD=cloudera
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "drop table t1"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "drop view v1"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "create table t1 (c1 int, c2 date, c3 varchar(10))"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "insert into t1 values (1, current_date, 'some data')"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "create view v1 as select c1 as id, c2, c3 from t1"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(c1) from t1"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(id) from v1"
> Output:
> ------------------------
> | count(c1) |
> ------------------------
> | 1 |
> ------------------------
> ~~~~~
> ------------------------
> | count(id) |
> ------------------------
> | 1 |
> ------------------------
> #################
> # STEP 05 - [MYSQL] Import from Table/View with --num-mappes 2 (reproduction)
> #################
> sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(c1) from t1 where \$CONDITIONS" --target-dir /user/root/t1 --delete-target-dir --num-mappers 2 --split-by c1 --verbose
> sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(id) from v1 where \$CONDITIONS" --target-dir /user/root/t1 --delete-target-dir --num-mappers 2 --split-by id --verbose
> Output:
> 17/04/03 09:37:57 INFO db.DataDrivenDBInputFormat: BoundingValsQuery: SELECT MIN(c1), MAX(c1) FROM (select count(c1) from t1 where (1 = 1) ) AS t1
> 17/04/03 09:37:57 INFO mapreduce.JobSubmitter: Cleaning up the staging area /user/root/.staging/job_1490976836761_0078
> 17/04/03 09:37:57 WARN security.UserGroupInformation: PriviledgedActionException as:root (auth:SIMPLE) cause:java.io.IOException: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'c1' in 'field list'
> ~~~~~
> 17/04/03 09:38:29 INFO db.DataDrivenDBInputFormat: BoundingValsQuery: SELECT MIN(id), MAX(id) FROM (select count(id) from v1 where (1 = 1) ) AS t1
> 17/04/03 09:38:29 INFO mapreduce.JobSubmitter: Cleaning up the staging area /user/root/.staging/job_1490976836761_0079
> 17/04/03 09:38:29 WARN security.UserGroupInformation: PriviledgedActionException as:root (auth:SIMPLE) cause:java.io.IOException: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'id' in 'field list'
> #################
> # STEP 06 - [MYSQL] Import from Table/View with --num-mappes 1 (workaround)
> #################
> sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(c1) from t1 where \$CONDITIONS" --target-dir /user/root/t1 --delete-target-dir --num-mappers 1 --split-by c1 --verbose
> sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select count(id) from v1 where \$CONDITIONS" --target-dir /user/root/t1 --delete-target-dir --num-mappers 1 --split-by id --verbose
> Output:
> 17/04/03 09:40:40 INFO mapreduce.ImportJobBase: Transferred 2 bytes in 36.5269 seconds (0.0548 bytes/sec)
> 17/04/03 09:40:40 INFO mapreduce.ImportJobBase: Retrieved 1 records.
> ~~~~~
> 17/04/03 09:45:19 INFO mapreduce.ImportJobBase: Transferred 2 bytes in 22.4301 seconds (0.0892 bytes/sec)
> 17/04/03 09:45:19 INFO mapreduce.ImportJobBase: Retrieved 1 records.
> {noformat}
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)