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https://issues.apache.org/jira/browse/FLINK-20385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17260323#comment-17260323
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wangfei commented on FLINK-20385:
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I found a bug in the canal code. 'canal-json.table.include' does not filter out
the binlog of the specified table correctly, which will cause an error in the
parsing section. For example, if I want to read the binlog of
canal-json.table.include = 'a' table, there is a source field of int in table
a, but at this time if table b also has a source field of string, An error will
be reported.
> Allow to read metadata for Canal-json format
> --------------------------------------------
>
> Key: FLINK-20385
> URL: https://issues.apache.org/jira/browse/FLINK-20385
> Project: Flink
> Issue Type: Sub-task
> Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile), Table
> SQL / API
> Reporter: Leonard Xu
> Assignee: Nicholas Jiang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.13.0
>
>
> In FLIP-107, we support read meta from CDC format Debezium, Canal-json is also
> another widely used CDC format , we need to support read metadata too.
>
> The requirement comes from user-zh mail list, the user want to read meta
> information(database table name) from Canal-json.
> [1] [http://apache-flink.147419.n8.nabble.com/canal-json-tt8939.html]
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