Xiqian Yu created FLINK-39232:
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Summary: CDC Transform matches first matching rule and deprecate
partial filtering
Key: FLINK-39232
URL: https://issues.apache.org/jira/browse/FLINK-39232
Project: Flink
Issue Type: Improvement
Components: Flink CDC
Reporter: Xiqian Yu
Assignee: Xiqian Yu
Currently, transform module supports rarely-used "partial filtering" feature:
{code:java}
transform:
- source-table: mydb.web_order
projection: id, order_id
filter: UPPER(province) = 'SHANGHAI'
description: classification mapping example
- source-table: mydb.web_order
projection: order_id as id, id as order_id
filter: UPPER(province) = 'BEIJING'
description: classification mapping example {code}
This causes unnecessary type consistency constraints. Deprecating such feature
in the next major release should be acceptable.
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