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Posted to dev@drill.apache.org by "Zbigniew Tomanek (Jira)" <ji...@apache.org> on 2023/10/11 07:59:00 UTC
[jira] [Created] (DRILL-8457) Allow configuring csv parser in http storage plugin configuration
Zbigniew Tomanek created DRILL-8457:
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Summary: Allow configuring csv parser in http storage plugin configuration
Key: DRILL-8457
URL: https://issues.apache.org/jira/browse/DRILL-8457
Project: Apache Drill
Issue Type: Improvement
Components: Storage - HTTP
Affects Versions: Future
Reporter: Zbigniew Tomanek
Fix For: Future
Currently there is no way to configure csv parser when http plugin is used. Because of that some kind of files cannot be parsed (e.g. when any column has more than 4096 chars or file has a delimiter different from `,`).
Since in DataWalk we utilize http plugin quite often we've changed our internal fork of Drill so following parser/format properties can be configured using additional `csvOptions` field:
```json
{
"csvOptions": {
"delimiter": "\t",
"quote": "\"",
"quote_escape": "\"",
"line_separator": "\n",
"header_extraction_enabled": null,
"number_of_rows_to_skip": 0,
"number_of_records_to_read": -1,
"line_separator_detection_enabled": true,
"max_columns": 512,
"max_chars_per_column": 4096,
"skip_empty_lines": true,
"ignore_leading_whitespaces": true,
"ignore_trailing_whitespaces": true,
"null_value": null
}
}
```
I'd be glad to get feedback whether creating PR with these changes would bring any value to the Drill
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