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Posted to issues@arrow.apache.org by "Maciej (Jira)" <ji...@apache.org> on 2020/09/28 12:19:00 UTC
[jira] [Created] (ARROW-10115) [C++] CSV empty quoted string is
treated as NULL
Maciej created ARROW-10115:
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Summary: [C++] CSV empty quoted string is treated as NULL
Key: ARROW-10115
URL: https://issues.apache.org/jira/browse/ARROW-10115
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Affects Versions: 1.0.1
Reporter: Maciej
When parsing my CSV I have set
{color:#267f99}ConvertOptions{color}::s{color:#001080}trings_can_be_null to true.{color}
{color:#001080}Now as I have values:{color}
{code:java}
1234,"",345
{code}
{color:#001080}the string value which is an empty string is treated as NULL.
I've checkeced default valeus of {color:#267f99}ConvertOptions{color}::n{color}{color:#001080}ull_values and there is empty string considered null but it's not empty string it's quoted empty string which shouldn't be treated as NULL in my opionion. Simillar behavior we have in Postgresql empty quoted string is not treated as a NULL: https://www.postgresql.org/docs/12/sql-copy.html{color}
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