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From "Parth Chandra (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-1951) Can't cast numeric value with decimal point read from CSV file into integer data type
Date Thu, 02 Apr 2015 23:27:53 GMT

     [ https://issues.apache.org/jira/browse/DRILL-1951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Parth Chandra updated DRILL-1951:
---------------------------------
    Assignee: Mehant Baid  (was: Daniel Barclay (Drill))

> Can't cast numeric value with decimal point read from CSV file into integer data type
> -------------------------------------------------------------------------------------
>
>                 Key: DRILL-1951
>                 URL: https://issues.apache.org/jira/browse/DRILL-1951
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Data Types
>    Affects Versions: 0.8.0
>            Reporter: Victoria Markman
>            Assignee: Mehant Baid
>             Fix For: 0.9.0
>
>
> sales.csv file:
> {code}
> 997,Ford,ME350,3000.00, comment#1
> 1999,Chevy,Venture,4900.00, comment#2
> 1999,Chevy,Venture,5000.00, comment#3
> 1996,Jeep,Cherokee,10000.01, comment#4
> 0: jdbc:drill:schema=dfs> select cast(columns[3] as decimal(18,2))  from `sales.csv`;
> +------------+
> |   EXPR$0   |
> +------------+
> | 3000.00    |
> | 4900.00    |
> | 5000.00    |
> | 10000.01   |
> +------------+
> 4 rows selected (0.093 seconds)
> {code}
> -- Can cast to decimal
> {code}
> 0: jdbc:drill:schema=dfs> select cast(columns[3] as decimal(18,2))  from `sales.csv`;
> +------------+
> |   EXPR$0   |
> +------------+
> | 3000.00    |
> | 4900.00    |
> | 5000.00    |
> | 10000.01   |
> +------------+
> 4 rows selected (0.095 seconds)
> {code}
> -- Can cast to float
> {code}
> 0: jdbc:drill:schema=dfs> select cast(columns[3] as float)  from `sales.csv`;
> +------------+
> |   EXPR$0   |
> +------------+
> | 3000.0     |
> | 4900.0     |
> | 5000.0     |
> | 10000.01   |
> +------------+
> 4 rows selected (0.112 seconds)
> {code}-- Can't cast to INT/BIGINT
> {code}
> 0: jdbc:drill:schema=dfs> select cast(columns[3] as bigint)  from `sales.csv`;
> Query failed: Query failed: Failure while running fragment., 3000.00 [ 4818451a-c731-48a9-9992-1e81ab1d520d
on atsqa4-134.qa.lab:31010 ]
> [ 4818451a-c731-48a9-9992-1e81ab1d520d on atsqa4-134.qa.lab:31010 ]
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}
> -- Same works with json/parquet files
> {code}
> 0: jdbc:drill:schema=dfs> select a1  from `t1.json`;
> +------------+
> |     a1     |
> +------------+
> | 10.01      |
> +------------+
> 1 row selected (0.077 seconds)
> 0: jdbc:drill:schema=dfs> select cast(a1 as int)  from `t1.json`;
> +------------+
> |   EXPR$0   |
> +------------+
> | 10         |
> +------------+
> 0: jdbc:drill:schema=dfs> select * from test_cast;
> +------------+
> |     a1     |
> +------------+
> | 10.0100    |
> +------------+
> 1 row selected (0.06 seconds)
> 0: jdbc:drill:schema=dfs> select cast(a1 as int) from test_cast;
> +------------+
> |   EXPR$0   |
> +------------+
> | 10         |
> +------------+
> 1 row selected (0.094 seconds)
> {code}



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