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https://issues.apache.org/jira/browse/DRILL-6726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16601712#comment-16601712
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Robert Hou commented on DRILL-6726:
-----------------------------------
[~arina] I clarified the issue in the description.
Use commit ddb35ce71837376c7caef28c25327ba556bb32f2 to create a view (this is
the commit prior to DRILL-6492).
Then try to access the view using commit
8bcb103a0e3bcc5f85a03cbed3c6c0cea254ec4e , which is the commit for DRILL-6492.
> Drill should return a better error message when an existing view uses a table
> that has a mixed case schema
> ----------------------------------------------------------------------------------------------------------
>
> Key: DRILL-6726
> URL: https://issues.apache.org/jira/browse/DRILL-6726
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Relational Operators
> Affects Versions: 1.15.0
> Reporter: Robert Hou
> Assignee: Arina Ielchiieva
> Priority: Major
> Fix For: 1.15.0
>
>
> Drill 1.14 changes schemas to be case-insensitive (DRILL-6492). If an
> existing view was created before (DRILL-6492) was committed, and this view
> references a schema which has upper case letters, the view needs to be
> rebuilt. For example:
> {noformat}
> create or replace view `dfs.drillTestDirP1`.student_parquet_v as select *
> from `dfs.drillTestDirP1`.student;
> {noformat}
> If a query references this schema, Drill will return an exception:
> {noformat}
> java.sql.SQLException: VALIDATION ERROR: Failure while attempting to expand
> view. Requested schema drillTestDirP1 not available in schema dfs.
> {noformat}
> It would be helpful to users if the error message explains that these views
> need to be re-created.
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