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https://issues.apache.org/jira/browse/DRILL-677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14039536#comment-14039536
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Rahul Challapalli commented on DRILL-677:
-----------------------------------------
Thanks for the fix. Looks good now
> INFORMATION_SCHEMA.COLUMNS table lists nullable columns as non-nullable
> ------------------------------------------------------------------------
>
> Key: DRILL-677
> URL: https://issues.apache.org/jira/browse/DRILL-677
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Information Schema
> Reporter: Rahul Challapalli
> Assignee: Venki Korukanti
> Fix For: 1.0.0-BETA1
>
> Attachments: DRILL-677-1.patch
>
>
> 1. create hive table ( these columns are nullable)
> hive> DROP TABLE IF EXISTS STUDENTS;
> CREATE EXTERNAL TABLE STUDENTS
> (
> ID VARCHAR(24),
> NAME VARCHAR(24),
> STREET VARCHAR(256),
> ZIPCODE INT,
> STATE VARCHAR(20)
> )
> ROW FORMAT DELIMITED FIELDS
> TERMINATED BY ','
> STORED AS TEXTFILE LOCATION "/drill/testdata/information-schema/students/";
> 2. From drill issue the below query and check the 'IS_NULLABLE" column
> SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA='hive' AND
> TABLE_NAME='students';
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