Baymine opened a new pull request, #65254:
URL: https://github.com/apache/doris/pull/65254
### What problem does this PR solve?
Issue Number: close #65252
Problem Summary:
`DUMP` is a lexer keyword (used by `PLAN REPLAYER DUMP`) but was missing
from the `nonReserved` list in `DorisParser.g4`, so `dump` could not be used as
a regular identifier (column, alias, table alias, CTE name, function argument,
qualified reference). This restores backward compatibility with older versions
(e.g. 2.1) where `dump` was usable as an identifier. Adding `DUMP` to
`nonReserved` keeps it usable both as the `PLAN REPLAYER DUMP` keyword and as
an identifier.
### Release note
None
### Check List (For Author)
- Test
- [x] Unit Test — added `NereidsParserTest#testParseDumpAsIdentifier`
covering `dump` as column alias, column ref, table alias, WHERE clause,
qualified ref, function arg, CTE name, subquery alias, and confirming `PLAN
REPLAYER DUMP` still parses.
- Behavior changed:
- [x] No.
- Does this need documentation?
- [x] No.
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