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### ODC version
4.2.1
### OB version
not related
### What happened?
I create a pl object, such as procedure, which only contains out parameters.
eg.
```SQL
create or replace procedure pl_de…
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### ODC version
odc422
### OB version
*
### What happened?
![image](https://github.com/oceanbase/odc/assets/143492234/737ee3dd-7bdf-4e7d-933b-df322633cd71)
![image](https://github.com/oceanbase/…
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### ODC version
4.2.0
### OB version
all verison
### What happened?
String data type do not show “length” when viewing the column information of a table,both in ob oracle mode and ob mysql mode:
…
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**topic**: [join-tables](https://open.oceanbase.com/train/TopicDetails?questionId=600004&subQesitonId=800010&subQuestionName=join-tables)
**description**:
对于 INNER JOIN 来说,`on` 和 `where` 后面的 Filte…
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## 赛题描述
更新查询选中的行数据。
此功能作为基础update功能的扩展,需要实现复杂查询语句基础上的更新操作,使update功能更加完善。
功能描述:更新字段的值为通过SELECT子查询得到的结果。子查询可能是普通的查询,也可能会带有聚合函数。
## 赛题地址
https://open.oceanbase.com/train/TopicDetails?quest…
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### ODC version
odc422
### OB version
not have
### What happened?
https://github.com/oceanbase/odc/assets/143492234/10265aa0-9e6b-4f38-a365-0fc91c44756d
### What did you expect to happen?
…
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### ODC version
4.2.0
### OB version
4.1.0
### What happened?
does not support syntax `GET DIAGNOSTICS`.
while use ` GET DIAGNOSTICS CONDITION 1 res_desc= MESSAGE_TEXT;`
result into syntax…
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**Use Case**
When a server subsystem tries to access a corrupted table(caurse by unexpected power outage or anyother reasons), the server may crash.
**Describe the solution you'd like**
We nee…
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**Describe the bug**
[root@bogon bin]# /usr/local/mysql/bin/mysqldump -h127.0.0.1 -uroot -pxxxxxx test > test.sql
mysqldump: [Warning] Using a password on the command line interface can be insecu…
yupd updated
10 months ago
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**Describe the bug**
A SQL like that
```
select a from test1 union select b from test2 order by a limit 4
```
the order by and limit is for the table after `UNION`, not the test2 table.
…
qidi1 updated
11 months ago