morningman opened a new pull request, #31610:
URL: https://github.com/apache/doris/pull/31610
## Proposed changes
The previous InsertIntoTableCommand and InsertExecutor only support olap
table.
This PR refactor them so that we can support other type of target table in
future.
**No logic is changed in this PR**
This PR mainly changes:
1. Move all insert related classes under
`org.apache.doris.nereids.trees.plans.commands` to
`org.apache.doris.nereids.trees.plans.commands.insert`
2. Extract some abstract classes:
- `AbstractInsertExecutor`
This is the parent class of Insert Executor. The common logic
is as follow:
```
public void executeSingleInsert(StmtExecutor executor, long
jobId) {
beforeExec();
try {
execImpl(executor, jobId);
onComplete();
} catch (Throwable t) {
onFail(t);
} finally {
executor.updateProfile(true);
QeProcessorImpl.INSTANCE.unregisterQuery(ctx.queryId());
}
afterExec(executor);
}
```
The derived classes should implement all abstract methods:
1. beginTransaction();
2. finalizeSink();
3. beforeExec();
4. onComplete();
5. onFail();
6. afterExec();
All methods related to certain target table type should be in
derived class.
You can refer to `OlapInsertExecutor` for example.
If you need add a new type of target table for insert operation.
You need implement a `XXXInsertExecutor extends
AbstractInsertExecutor`
and implements the abstract methods.
- `InsertCommandContext`
A class to store some parameters or flags of an insert opertion.
This is an abstract class, you can derived it to add some
fields or methods you need.
See `OlapInsertCommandContext` for example
- `InsertUtils`
A helper class. Move all static method previous in
`InsertExecutor` to this class.
3. The FE config `using_old_load_usage_pattern` is deprecated, remove it.
4. All `lock` related method in `ExternalTable` is meaningless, remove them
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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