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https://issues.apache.org/jira/browse/DRILL-5652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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N Campbell updated DRILL-5652:
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Component/s: (was: Server)
Storage - JDBC
> Drill pushed invalid SQL to SQL Server when concat operator used
> ----------------------------------------------------------------
>
> Key: DRILL-5652
> URL: https://issues.apache.org/jira/browse/DRILL-5652
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - JDBC
> Affects Versions: 1.10.0
> Environment: Drill 1.10
> SQL Server 2016
> Reporter: N Campbell
>
> plugin to SQL Server 2016 via JDBC defined
> following statement sent to Drill which fails due to invalid operator pushed
> down in the SQL
> select RNUM, '1234567890' || TVCHAR.CVCHAR from certsqlserver.dbo.TVCHAR
> DATA_READ ERROR: The JDBC storage plugin failed while trying setup the SQL
> query.
> SELECT "RNUM", '1234567890' || "CVCHAR" AS "EXPR$1"
> FROM "dbo"."TVCHAR"
> Note also if two constants were used the expression pushed to SQL Server uses
> blank strings instead of the specified non-blank value
> SQL: select 'FF' || 'FF' from certsqlserver.dbo.TVERSION
> SELECT '' || '' AS "EXPR$0"
> FROM "dbo"."TVERSION"
> https://docs.microsoft.com/en-us/sql/t-sql/language-elements/string-operators-transact-sql
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