[
https://issues.apache.org/jira/browse/FLINK-36165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Thorne updated FLINK-36165:
---------------------------
Description:
1. When I want to supplement some data (business consumption data failed)
2. Unable to start from checkpoint, because the binlog files has been cleared.
3. At this point, only the full amount of data can be synchronized from
scratch. If the data volume is small, it is acceptable. However, if the data
volume is large, the process of supplementing the data requires significant
resources.
Now：
{code:java}
select * from table {code}
Just like Datax,user just obtain data from database without all snapshot data.
{code:java}
select * from where col >x1 and col <x2
{code}
[https://github.com/alibaba/DataX/blob/master/mysqlreader/doc/mysqlreader.md|http://example.com/]
!image-2024-08-28-14-06-40-501.png!
was:
1. When I want to supplement some data (business consumption data failed)
2. Unable to start from checkpoint, because the binlog files has been cleared.
3. At this point, only the full amount of data can be synchronized from
scratch. If the data volume is small, it is acceptable. However, if the data
volume is large, the process of supplementing the data requires significant
resources.
now
{code:java}
select * from table {code}
Just like Datax,user just obtain data from database without all snapshot data.
{code:java}
select * from where col >x1 and col <x2
{code}
[https://github.com/alibaba/DataX/blob/master/mysqlreader/doc/mysqlreader.md|http://example.com/]
!image-2024-08-28-14-06-40-501.png!
> Support obtaining snapshot data of the scope
> --------------------------------------------
>
> Key: FLINK-36165
> URL: https://issues.apache.org/jira/browse/FLINK-36165
> Project: Flink
> Issue Type: Improvement
> Components: Flink CDC
> Reporter: Thorne
> Priority: Minor
> Attachments: image-2024-08-28-14-06-40-501.png
>
>
> 1. When I want to supplement some data (business consumption data failed)
> 2. Unable to start from checkpoint, because the binlog files has been cleared.
> 3. At this point, only the full amount of data can be synchronized from
> scratch. If the data volume is small, it is acceptable. However, if the data
> volume is large, the process of supplementing the data requires significant
> resources.
>
> Now：
>
> {code:java}
> select * from table {code}
> Just like Datax,user just obtain data from database without all snapshot data.
>
> {code:java}
> select * from where col >x1 and col <x2
> {code}
> [https://github.com/alibaba/DataX/blob/master/mysqlreader/doc/mysqlreader.md|http://example.com/]
>
> !image-2024-08-28-14-06-40-501.png!
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