morrySnow opened a new pull request, #68272:
URL: https://github.com/apache/doris/pull/68272
### What problem does this PR solve?
Issue Number: None
Related PR: #68269
Problem Summary:
Internal MTMV refresh tasks could construct a StatementContext and
LogicalPlanAdapter without an origin statement. StmtExecutor then copied the
null adapter origin back into the context. If CBO candidate costing failed,
CostBasedRewriteJob dereferenced that missing origin while logging and raised
an unrelated NullPointerException.
This change initializes refresh planning with the MV query, propagates the
same origin through the adapter, and makes the CBO failure log tolerate
internal contexts without an origin statement.
### Release note
Fix internal materialized view refresh failures caused by a missing origin
statement.
### Check List (For Author)
- Test: Unit Test
- ./run-fe-ut.sh --run
org.apache.doris.mtmv.MTMVTaskTest,org.apache.doris.nereids.jobs.rewrite.CostBasedRewriteJobTest
- 17 tests passed
- Behavior changed: No
- Does this need documentation: No
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