suxiaogang223 opened a new pull request, #42257:
URL: https://github.com/apache/doris/pull/42257
## Proposed changes
OpenCSVSerde Properties:
| **Property** | **Description**
| **Default
Value** | **Supported in Doris** |
|---------------------------------------|---------------------------------------------------------------------------------------------------|-------------------|--------------------------|
| `separatorChar` | Defines the character used to
separate fields (columns) in a CSV file. | `,`
| Yes |
| `quoteChar` | Defines the character used to
quote fields that contain special characters, like the separator. | `"`
| Yes |
| `escapeChar` | Specifies the escape character
used for escaping special characters, including quotes and delimiters. | `"`
| Yes |
### Explanation:
- **`separatorChar`**: This property defines the character that separates
columns in the CSV file. Typically, a comma (`,`) is used as the default
separator.
- **`quoteChar`**: This character is used to enclose fields that contain
special characters (like the separator). For example, if a field contains a
comma, it is enclosed in quotes (`"`).
- **`escapeChar`**: Specifies the character used to escape special
characters, such as quotes or the separator. In many cases, a backslash (`\\`)
is used as the escape character, but hive set `"` as default values :(
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