goutamadwant opened a new pull request, #11099:
URL: https://github.com/apache/seatunnel/pull/11099
### Purpose of this pull request
Enhances #11045.
This PR adds `rule_match_mode` for multi-table transform matching.
Changes:
- adds `FIRST_MATCH` and `ALL_MATCH` modes for repeated `table_transform`
entries with the same exact `table_path`
- keeps `FIRST_MATCH` as the default behavior
- keeps `table_match_regex` as the fallback when no exact `table_transform`
rule matches
- applies `ALL_MATCH` rules in declaration order, so later rules consume the
schema and row produced by earlier rules
- wires the new option into transform factories that support multi-table
transform
- updates English and Chinese docs with an `ALL_MATCH` example
- adds focused common resolver tests and a real
`CopyFieldMultiCatalogTransform` regression test
### Does this PR introduce _any_ user-facing change?
Yes.
Users can now configure `rule_match_mode = "ALL_MATCH"` when multiple
`table_transform` entries target the same exact `table_path`.
The default remains `FIRST_MATCH`, so existing valid configs continue to use
the first matching table-specific rule and then skip the outer
`table_match_regex` rule for that table.
### How was this patch tested?
Added unit coverage for:
- default `FIRST_MATCH` behavior
- explicit `FIRST_MATCH`
- `ALL_MATCH` sequential rule application
- deterministic declaration order
- fallback to outer `table_match_regex`
- no-match identity behavior
- real Copy transform chaining where the second rule reads a field produced
by the first rule
Verified with:
```shell
JAVA_HOME=$(/usr/libexec/java_home -v 11) PATH="$JAVA_HOME/bin:$PATH" ./mvnw
-pl seatunnel-transforms-v2
-Dtest=org.apache.seatunnel.transform.copy.CopyFieldMultiCatalogTransformTest,org.apache.seatunnel.transform.common.AbstractMultiCatalogTransformTest
test
```
### Check list
* [ ] If any new Jar binary package adding in your PR, please add License
Notice according
[New License
Guide](https://github.com/apache/seatunnel/blob/dev/docs/en/developer/new-license.md)
* [ ] If necessary, please update the documentation to describe the new
feature. https://github.com/apache/seatunnel/tree/dev/docs
* [ ] If necessary, please update `incompatible-changes.md` to describe the
incompatibility caused by this PR.
* [ ] If you are contributing the connector code, please check that the
following files are updated:
1. Update
[plugin-mapping.properties](https://github.com/apache/seatunnel/blob/dev/plugin-mapping.properties)
and add new connector information in it
2. Update the pom file of
[seatunnel-dist](https://github.com/apache/seatunnel/blob/dev/seatunnel-dist/pom.xml)
3. Add ci label in
[label-scope-conf](https://github.com/apache/seatunnel/blob/dev/.github/workflows/labeler/label-scope-conf.yml)
4. Add e2e testcase in
[seatunnel-e2e](https://github.com/apache/seatunnel/tree/dev/seatunnel-e2e/seatunnel-connector-v2-e2e/)
5. Update connector
[plugin_config](https://github.com/apache/seatunnel/blob/dev/config/plugin_config)
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