A SQL-shaped front end over parser-ng-arrow: SELECT ... FROM ... [WHERE ...] compiles to a vectorized Arrow filter/projection pipeline built on ArrowExpressionEvaluators. Over Parquet files (via parser-ng-parquet) the same SQL runs with row-group pruning, footer-only COUNT(*), and any column type selectable as-is; expressions and predicates are numeric. This is deliberately NOT a database - no JOIN, INSERT, UPDATE, DELETE, transactions. It exists purely ...
Version3.0.8compared with

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