0AyanamiRei opened a new pull request, #67512:
URL: https://github.com/apache/doris/pull/67512
### What problem does this PR solve?
Issue Number: None
Related PR: None
Problem Summary: Multi-table Routine Load creates per-table stream-load
plans on the backend, but the routine-load task did not carry the CSV enclose,
escape, or empty_field_as_null settings. Dynamic-table CSV rows that depend on
those settings were therefore parsed with defaults and could fail with
column-count mismatches. This change adds optional task fields and preserves
the configured values through the backend task context into every per-table
planning request. It does not change Routine Load persistence or PAUSE/RESUME
behavior.
### Release note
Multi-table Routine Load now applies enclose, escape, and
empty_field_as_null when parsing CSV data.
### Check List (For Author)
- Test: Unit Test
- Added FE task, BE task-context, and multi-table planner-request
coverage; not run per request
- Behavior changed: Yes. Multi-table CSV Routine Load tasks pass their
configured parser properties to per-table plans.
- Does this need documentation: No
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