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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2020/12/02 07:46:09 UTC
[GitHub] [incubator-doris] wuyunfeng opened a new issue #5005: [Doris][Doris On ES] [Proposal] Support `@` leading column name
wuyunfeng opened a new issue #5005:
URL: https://github.com/apache/incubator-doris/issues/5005
**Is your feature request related to a problem? Please describe.**
1. Elasticsearch users maybe use `Logstash` transform and transmit data to ES, the `Logstash` would add `@` leading field name to ES index mapping. If we create table with `@` leading column, Doris would throw `Incorrect column name` when user create those table at present
2. Since Doris keep consistent with `Mysql protocol`, Those `column` name with `@` leading is legal， I think Doris would supprt this feature by adding backticks `` to wrap those column name
**Describe the solution you'd like**
Change the `column` validation rules to support `@` leading column name.
Such as:
```
CREATE EXTERNAL TABLE `es_10` (
`@k3` bigint(20) NULL COMMENT "",
`@k1` boolean NULL COMMENT "",
`@k2` varchar(20) NULL COMMENT ""
) ENGINE=ELASTICSEARCH
COMMENT "ELASTICSEARCH"
```
**Describe alternatives you've considered**
**Additional context**
Not sure about the impact on Olap Engine
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[GitHub] [incubator-doris] morningman closed issue #5005: [Doris][Doris On ES] [Proposal] Support `@` leading column name
Posted by GitBox <gi...@apache.org>.
morningman closed issue #5005:
URL: https://github.com/apache/incubator-doris/issues/5005
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