morrySnow opened a new pull request, #64361:
URL: https://github.com/apache/doris/pull/64361
### What problem does this PR solve?
Issue Number: None
Related PR: None
Problem Summary:
Colocate join plan assertions may run before
`ColocateTableCheckerAndBalancer` marks the colocate group stable. In that
state, Nereids can omit `COLOCATE` from the plan and make otherwise correct
regression cases fail intermittently.
This PR adds a shared `waitForColocateGroupStable` helper to the regression
test framework. It polls `SHOW PROC '/colocation_group'` until the target
group's `IsStable` value is true, and fails on timeout. All positive `COLOCATE`
plan assertions backed by explicit `colocate_with` groups now wait for
stability first. The existing backup/restore-local waiting closure is replaced
with the shared helper.
### Release note
None
### Check List (For Author)
- Test: Regression test
- `./run-regression-test.sh --clean --run -d correctness_p0 -s
test_colocate_join_of_column_order`
- `./run-regression-test.sh --run -d query_p0/join -s
colocate_join_with_rollup`
- Behavior changed: No
- Does this need documentation: No
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