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From "Krystal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-2283) Internal VARCHAR(1) breaks INFO._SCHEMA table string comparison
Date Mon, 04 May 2015 22:23:06 GMT

     [ https://issues.apache.org/jira/browse/DRILL-2283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Krystal updated DRILL-2283:
---------------------------
    Labels: no_verified_test  (was: )

> Internal VARCHAR(1) breaks INFO._SCHEMA table string comparison
> ---------------------------------------------------------------
>
>                 Key: DRILL-2283
>                 URL: https://issues.apache.org/jira/browse/DRILL-2283
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Metadata
>            Reporter: Daniel Barclay (Drill)
>            Assignee: Parth Chandra
>              Labels: no_verified_test
>             Fix For: 0.8.0
>
>         Attachments: DRILL-2283.1.patch.txt
>
>
> In {{org.apache.drill.exec.store.ischema.InfoSchemaTable}}, method {{getRelDataType(...)}}
calls a version of {{RelDataTypeFactory.createSqlType(...)}} that sets the type of strings
to {{VARCHAR(1)}} rather than {{VARCHAR(}}<some big number>{{)}}.
> This breaks string comparison.  (For example, "{{DATA_TYPE = 'IN'}}" returns true when
the {{INFORMATION_SCHEMA.COLUMNS.DATA_TYPE}} value is "INTEGER".)



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