morningman opened a new pull request, #68491:
URL: https://github.com/apache/doris/pull/68491
### What problem does this PR solve?
Issue Number: None (branch pick)
Related PR: #67490, #68141, #66963, #68269
Problem Summary: Pick the four merged `incremental-computation` PRs that do
not have the `incremental-computation-picked` label into
`branch-incremental-computation`, in their master merge order:
1. #67490: prevent a local exchange under a serial parent pipeline.
2. #68141: manage MTMV planning caches through a bounded global LRU cache
and expose cache statistics.
3. #66963: restrict HLL, QUANTILE_STATE, and AGG_STATE columns to Aggregate
Key tables by default, with a temporary compatibility setting.
4. #68269: preserve the origin statement for internal MTMV refreshes and
parse `SET_VAR` hints with the refresh context installed.
Dependency check: #33262, referenced by #68141, is already an ancestor of
this branch. #66664 is an open related row-binlog fix rather than a code
prerequisite for #66963. #68272 is the corresponding branch-4.1 fix for #68269,
not a master prerequisite. No additional PR needed picking.
### Release note
Bring the four fixes and MTMV cache management change above to the
incremental computation branch. In particular, non-Aggregate Key tables now
reject new HLL, QUANTILE_STATE, and AGG_STATE columns by default; incremental
MTMV refreshes and dry runs can parse MV queries with `SET_VAR` hints.
### Check List (For Author)
- Test:
- `./build.sh --fe` (passed, including Checkstyle with 0 violations)
- Focused `./run-fe-ut.sh --run ...` across 13 changed and related test
classes (356 tests passed, 0 failures/errors/skips)
- SQL regression tests were not run; this worktree has no BE cluster.
- Behavior changed: Yes, as described in the source PRs and release note.
- Does this need documentation: No; the source PRs do not require a
documentation PR.
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