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https://issues.apache.org/jira/browse/CARBONDATA-1144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Rohilla updated CARBONDATA-1144:
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Attachment: Drop_column.png
> Drop column operation failed in Alter table.
> ---------------------------------------------
>
> Key: CARBONDATA-1144
> URL: https://issues.apache.org/jira/browse/CARBONDATA-1144
> Project: CarbonData
> Issue Type: Bug
> Components: data-query
> Affects Versions: 1.2.0
> Environment: Spark 2.1
> Reporter: Vinod Rohilla
> Priority: Minor
> Attachments: 2000_UniqData.csv
>
>
> Drop column does not work in Alter table.
> Steps to reproduce:
> 1: Create a table in Carbon:
> CREATE TABLE uniqdata (CUST_ID int,CUST_NAME String,ACTIVE_EMUI_VERSION
> string, DOB timestamp, DOJ timestamp, BIGINT_COLUMN1 bigint,BIGINT_COLUMN2
> bigint,DECIMAL_COLUMN1 decimal(30,10), DECIMAL_COLUMN2
> decimal(36,10),Double_COLUMN1 double, Double_COLUMN2 double,INTEGER_COLUMN1
> int) STORED BY 'org.apache.carbondata.format' TBLPROPERTIES
> ("TABLE_BLOCKSIZE"= "256 MB");
> 2: Load Data in a table:
> LOAD DATA INPATH 'hdfs://localhost:54310/2000_UniqData.csv' into table
> uniqdata OPTIONS('DELIMITER'=',' ,
> 'QUOTECHAR'='"','BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME,ACTIVE_EMUI_VERSION,DOB,DOJ,BIGINT_COLUMN1,BIGINT_COLUMN2,DECIMAL_COLUMN1,DECIMAL_COLUMN2,Double_COLUMN1,Double_COLUMN2,INTEGER_COLUMN1');
> 3: Run the following query: alter table uniqdata1 drop columns(CUST_NAME);
> 4: Result:
> 0: jdbc:hive2://localhost:10000> alter table uniqdata1 drop
> columns(CUST_NAME);
> Error: java.lang.RuntimeException: Alter table drop column operation failed:
> null (state=,code=0)
> Expected Result: Column should be dropped.
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