[jira] [Comment Edited] (DRILL-6726) Drill should return a better error message when a view uses a table that has a mixed case schema

["Arina Ielchiieva (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-6726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16601184#comment-16601184 ] 

Arina Ielchiieva edited comment on DRILL-6726 at 9/2/18 11:39 AM:
------------------------------------------------------------------

[~rhou] please provide reproduce steps. I have tried something like below but it works fine:
{noformat}
{
  "name" : "student_view",
  "sql" : "SELECT *\r\nFROM `dfs.dirNParquet`.`1991`",
  "fields" : [ {
    "name" : "**",
    "type" : "DYNAMIC_STAR",
    "isNullable" : true
  } ],
  "workspaceSchemaPath" : [ "dfs" ]
}
{noformat}




was (Author: arina):
[~rhou] please provide reproduce steps. I have tried something like below but it works fine:
{{noformat}}
{
  "name" : "student_view",
  "sql" : "SELECT *\r\nFROM `dfs.dirNParquet`.`1991`",
  "fields" : [ {
    "name" : "**",
    "type" : "DYNAMIC_STAR",
    "isNullable" : true
  } ],
  "workspaceSchemaPath" : [ "dfs" ]
}
{{noformat}}



> Drill should return a better error message when a 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 a 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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