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Posted to github@arrow.apache.org by "Asura7969 (via GitHub)" <gi...@apache.org> on 2023/11/23 07:44:36 UTC
[I] Add `quote` & `escape` for create external table [arrow-datafusion]
Asura7969 opened a new issue, #8310:
URL: https://github.com/apache/arrow-datafusion/issues/8310
### Is your feature request related to a problem or challenge?
1、Add `quote` & `escape` for create external table
2、In addition, the DELIMITER attribute is only used in csv. Can it also be moved to option?
### Describe the solution you'd like
```sql
CREATE EXTERNAL TABLE custom(
c1 VARCHAR DEFAULT NULL,
c2 VARCHAR DEFAULT NULL
)
STORED AS CSV
WITH HEADER ROW
OPTIONS ('delimiter' ',','read.escape' '\', 'read.quote' '~')
LOCATION 'custom.csv';
```
> `read.escape` & `read.quote` from https://github.com/apache/arrow-datafusion/pull/8251 comment
### Describe alternatives you've considered
No
### Additional context
ref: https://github.com/apache/arrow-datafusion/pull/8251
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Re: [I] Add `quote` & `escape` for create external table [arrow-datafusion]
Posted by "alamb (via GitHub)" <gi...@apache.org>.
alamb closed issue #8310: Add `quote` & `escape` for create external table
URL: https://github.com/apache/arrow-datafusion/issues/8310
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Re: [I] Add `quote` & `escape` for create external table [arrow-datafusion]
Posted by "Asura7969 (via GitHub)" <gi...@apache.org>.
Asura7969 commented on issue #8310:
URL: https://github.com/apache/arrow-datafusion/issues/8310#issuecomment-1831050489
For this, I will do 3 things：
* 1、Add `quote` & `escape` attributes to **OPTIONS**.
* 2、delimiter will not be moved to **OPTIONS**.
* 3、`quote` & `escape` will not change to `read.escape` & `read.quote`
> for 2 & 3： I'm not sure if it will cause trouble to users，so keep it as is
final：
```sql
CREATE EXTERNAL TABLE custom(
c1 VARCHAR DEFAULT NULL,
c2 VARCHAR DEFAULT NULL
)
STORED AS CSV
DELIMITER ','
WITH HEADER ROW
OPTIONS ('escape' '\', 'quote' '~')
LOCATION 'custom.csv';
```
If you have better suggestions, please leave a message
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