Luka Zdravic created SPARK-59299:
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Summary: Add missing ASOF JOIN parser unit tests
Key: SPARK-59299
URL: https://issues.apache.org/jira/browse/SPARK-59299
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 5.0.0
Reporter: Luka Zdravic
PlanParserSuite covers SQL ASOF JOIN parsing (SPARK-58122) but is missing
several cases relative to the ASOF JOIN SQL reference.
This test-only change adds them:
1. Positive parsing of the `>` (GreaterThanOp) and `<` (LessThanOp) match
operators
(only `>=` and `<=` were asserted).
2. A STRUCT / tuple MATCH_CONDITION, e.g. `(t.a, t.b) >= (u.a, u.b)`, which
parses to a row constructor (CreateStruct) on each side; pins that the
top-level comparison is still extracted as the match operator (lexicographic
multi-column match).
3. Explicit `INNER ASOF` and `LEFT OUTER ASOF` join types (only implicit INNER
and bare LEFT were covered).
4. Rejection of a top-level `OR` in MATCH_CONDITION (exercises the previously
untested Or branch of ASOF_JOIN_MATCH_CONDITION_INVALID_OPERATOR).
No production code changes. Verified by running PlanParserSuite.
Umbrella: SPARK-59298
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