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https://issues.apache.org/jira/browse/FLINK-36280?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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HunterXHunter updated FLINK-36280:
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Attachment: (was: image-2024-10-24-14-20-07-691.png)
> Snapshot scan mode do not support batch execution mode, and not as expected
> in mode streaming
> ---------------------------------------------------------------------------------------------
>
> Key: FLINK-36280
> URL: https://issues.apache.org/jira/browse/FLINK-36280
> Project: Flink
> Issue Type: Bug
> Reporter: HunterXHunter
> Priority: Major
>
> [https://github.com/apache/flink-cdc/pull/2901]
>
> I've encountered a few problems.
> premise ：
> - Only 1 record in my mysql.
> - Flink 1.8.1
> - flink cdc 3.1 & 3.2
> {code:java}
> //代码占位符
> CREATE TEMPORARY TABLE mysql_cdc (
> id STRING,
> name string,
> dt string,
> PRIMARY KEY(id) NOT ENFORCED
> ) WITH (
> 'connector' = 'mysql-cdc',
> 'hostname' = 'localhost',
> 'port' = '3306',
> 'username' = 'root',
> 'password' = '123456789',
> 'database-name' = 'tt',
> 'table-name' = 'mysql_cdc_source',
> 'scan.startup.mode'='snapshot'); {code}
>
> * Not supporting `BATCH` execution mode ?, Set execution.runtime-mode=BATCH
> will met error.
> {code:java}
> [ERROR] Could not execute SQL statement. Reason:
> org.apache.flink.table.api.TableException: Querying a table in batch mode is
> currently only possible for INSERT-only table sources. But the source for
> table 'default_catalog.default_database.mysql_cdc' produces other changelog
> messages than just INSERT. {code}
> * When i set execution.runtime-mode=STREAMING and checkpoint is disable ,
> then the job won't be never finish.
> #
> ## if set execution.checkpointing.interval=60s, then job will be finished
> after checkpoint had triggered (60s)
> ## if set execution.checkpointing.interval=5s, then the job will be finished
> soon. (As expected)
>
> !image-2024-10-24-14-20-07-691.png!
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