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Date: Tue, 10 Nov 2015 20:04:11 +0000 (UTC)
From: "Krystal (JIRA)" <jira@apache.org>
To: issues@drill.apache.org
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Subject: [jira] [Updated] (DRILL-4062) SUM function does not work against
 interval data type from csv or json files
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     [ https://issues.apache.org/jira/browse/DRILL-4062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Krystal updated DRILL-4062:
---------------------------
    Labels: interval  (was: )

> SUM function does not work against interval data type from csv or json files
> ----------------------------------------------------------------------------
>
>                 Key: DRILL-4062
>                 URL: https://issues.apache.org/jira/browse/DRILL-4062
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Functions - Drill
>            Reporter: Krystal
>              Labels: interval
>
> I have a csv table with the following interval year data:
> select columns[1] from `interval_data.csv`;
> +---------+
> | EXPR$0  |
> +---------+
> | P12Y    |
> | P152Y   |
> | P-152Y  |
> | P5Y     |
> | P10Y    |
> | P0Y     |
> | P-50Y   |
> | P12Y    |
> | P152Y   |
> +---------+
> I got an exception when trying to use the SUM function against the data:
> select sum(cast(columns[1] as interval year)) from `interval_data.csv`;
> Error: VALIDATION ERROR: From line 1, column 8 to line 1, column 45: Cannot apply 'SUM' to arguments of type 'SUM(<INTERVAL YEAR>)'. Supported form(s): 'SUM(<NUMERIC>)'
> Same error is encountered for same data from JSON file.
> This works for interval data from parquet file:
> ./parquet-schema ../interval_data.parquet
> message root {
>   optional int32 c_row;
>   optional fixed_len_byte_array(12) c_interval_year;
>   optional fixed_len_byte_array(12) c_interval_month;
>   optional fixed_len_byte_array(12) c_interval_day;
>   optional fixed_len_byte_array(12) c_interval_hour;
>   optional fixed_len_byte_array(12) c_interval_minute;
>   optional fixed_len_byte_array(12) c_interval_second;
>   optional binary c_interval (UTF8);
>   optional int32 c_time;
>   optional int32 c_date;
>   optional int64 c_timestamp;
> }
> select sum(c_interval_year) from `interval_data.parquet`;
> +---------+
> | EXPR$0  |
> +---------+
> | P1692M  |
> +---------+



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