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https://issues.apache.org/jira/browse/SQOOP-1096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13691918#comment-13691918
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thomastechs commented on SQOOP-1096:
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Please feel free to let us know your comments on this issue.
I have seen an issue raised at
[SQOOP-474|https://issues.apache.org/jira/browse/SQOOP-474?page=com.atlassian.jira.plugin.system.issuetabpanels:changehistory-tabpanel]
But the SQOOP-474 does not have a fix related to multiple mappers and WITH UR
syntax error.
> Sqoop generates bounding vals queries with synatx error, when the number of
> mappers is greater than 1 and there is WITH UR option in the query for DB2
> ------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SQOOP-1096
> URL: https://issues.apache.org/jira/browse/SQOOP-1096
> Project: Sqoop
> Issue Type: Bug
> Components: build, connectors/generic
> Affects Versions: 1.4.2
> Reporter: thomastechs
> Labels: sqoop
>
> To reproduce this error, execute the sqoop query connecting to DB2 with the
> option WITH UR and number of mappers > 1 and a split by column:
> {code:title=Sample query|borderStyle=solid}
> sqoop import --connect jdbc:db2://<host>/hadoopguide --username <uname>
> --password <password> --query 'SELECT A_I,B_I,C_I,D_I FROM A where
> $CONDITIONS WITH UR' --split-by A_I -m 8 --target-dir
> /user/sample/test_with_ur;
> {code}
> Then the sqoop log is printed like :
> {code:title=Sample query|borderStyle=solid}
> INFO db.DataDrivenDBInputFormat: BoundingValsQuery: SELECT MIN(A_I), MAX(A_I)
> FROM (SELECT A_I,B_I,C_I,D_I FROM A where (1 = 1) WITH UR) AS t1
> ERROR tool.ImportTool: Encountered IOException running import job:
> java.io.IOException: com.ibm.db2.jcc.am.SqlSyntaxErrorException: DB2 SQL
> Error: SQLCODE=-199, SQLSTATE=42601, SQLERRMC=WITH;AND OR HAVING GROUP
> INTERSECT ORDER FETCH EXCEPT UNION ), DRIVER=
> at
> org.apache.sqoop.mapreduce.db.DataDrivenDBInputFormat.getSplits(DataDrivenDBInputFormat.java:167)
> {code}
> If we explicitly execute the boundingvals query using the WITH UR option
> appended at the end of the query in the DB2, we can identify that the the
> query is executed successfully in the DB2. So, it means the WITH UR option is
> appended in the wrong position of the query .
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