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Posted to issues@drill.apache.org by "Mehant Baid (JIRA)" <ji...@apache.org> on 2014/10/30 00:41:34 UTC
[jira] [Resolved] (DRILL-1606) Issue with casting to integer from a
CSV file
[ https://issues.apache.org/jira/browse/DRILL-1606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mehant Baid resolved DRILL-1606.
--------------------------------
Resolution: Duplicate
> Issue with casting to integer from a CSV file
> ---------------------------------------------
>
> Key: DRILL-1606
> URL: https://issues.apache.org/jira/browse/DRILL-1606
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Data Types
> Reporter: Norris Lee
>
> I have a CSV file with this data:
> {code}
> 0: jdbc:drill:zk=localhost:5181> select columns[0], columns[1] from `dfs.optdrill`.`touchstone/Integer_Table.csv`;
> +------------+------------+
> | EXPR$0 | EXPR$1 |
> +------------+------------+
> | Zero | 0 |
> | One | 1 |
> | MinusOne | -1 |
> | Two | 2 |
> | MaxTInt | 127 |
> | MinTInt | -128 |
> | MaxUTInt | 255 |
> | MaxTIntP1 | 128 |
> | MinTIntM1 | -129 |
> | MaxUTIntP1 | 256 |
> | MaxSInt | 32767 |
> | MinSInt | -32768 |
> | MaxUSInt | 65535 |
> | MinSIntM1 | -32769 |
> | MaxSIntP1 | 32768 |
> | MaxUSIntP1 | 65536 |
> | MaxInt | 2147483647 |
> | MinInt | -2147483648 |
> +------------+------------+
> 18 rows selected (0.099 seconds)
> {code}
> When I try to cast it to varchar and integer, it fails:
> {code}
> 0: jdbc:drill:zk=localhost:5181> select cast(columns[0] as varchar(20)), cast(columns[1] as integer) from `dfs.optdrill`.`touchstone/Integer_Table.csv`;
> +------------+------------+
> | EXPR$0 | EXPR$1 |
> +------------+------------+
> Query failed: Failure while running fragment.
> java.lang.RuntimeException: java.sql.SQLException: Failure while executing query.
> at sqlline.SqlLine$IncrementalRows.hasNext(SqlLine.java:2514)
> at sqlline.SqlLine$TableOutputFormat.print(SqlLine.java:2148)
> at sqlline.SqlLine.print(SqlLine.java:1809)
> at sqlline.SqlLine$Commands.execute(SqlLine.java:3766)
> at sqlline.SqlLine$Commands.sql(SqlLine.java:3663)
> at sqlline.SqlLine.dispatch(SqlLine.java:889)
> at sqlline.SqlLine.begin(SqlLine.java:763)
> at sqlline.SqlLine.start(SqlLine.java:498)
> at sqlline.SqlLine.main(SqlLine.java:460)
> {code}
> Casting to varchar and varchar or varchar and bigint works perfectly fine.
> Using the same data set in a parquet file works fine when casting to varchar and integer as well.
> {code}
> 0: jdbc:drill:zk=localhost:5181> select cast(keycolumn as varchar(20)), cast(column1 as integer) from `dfs.optdrill`.`touchstone/integer.parquet`;
> +------------+------------+
> | EXPR$0 | EXPR$1 |
> +------------+------------+
> | Zero | 0 |
> | One | 1 |
> | MinusOne | -1 |
> | Two | 2 |
> | MaxTInt | 127 |
> | MinTInt | -128 |
> | MaxUTInt | 255 |
> | MaxTIntP1 | 128 |
> | MinTIntM1 | -129 |
> | MaxUTIntP1 | 256 |
> | MaxSInt | 32767 |
> | MinSInt | -32768 |
> | MaxUSInt | 65535 |
> | MinSIntM1 | -32769 |
> | MaxSIntP1 | 32768 |
> | MaxUSIntP1 | 65536 |
> | MaxInt | 2147483647 |
> | MinInt | -2147483648 |
> +------------+------------+
> 18 rows selected (0.067 seconds)
> {code}
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