codeant-ai-for-open-source[bot] commented on PR #26467:
URL: https://github.com/apache/superset/pull/26467#issuecomment-4084249886
## **Sequence Diagram**
This PR makes Presto datetime conversion use millisecond precision when
building SQL timestamp literals. The flow now applies Presto specific
formatting directly in PrestoEngineSpec, including timezone offsets when
present.
```mermaid
sequenceDiagram
participant QueryBuilder
participant PrestoEngineSpec
participant Presto
QueryBuilder->>PrestoEngineSpec: Convert datetime for target column type
PrestoEngineSpec->>PrestoEngineSpec: Resolve SQL type and choose literal
format
PrestoEngineSpec-->>QueryBuilder: Return DATE or TIMESTAMP literal
Note over PrestoEngineSpec,QueryBuilder: TIMESTAMP uses milliseconds
precision with optional timezone offset
QueryBuilder->>Presto: Execute SQL with formatted literal
```
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