feat: add --stats flag for column statistics#181
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Show per-column count, non-null count, min, max, and mean for numeric columns. Supports CSV, JSON, TSV, and all other input formats. Can be combined with --delimiter and --real. Closes #169.
SQLite CAST(AVG(...) AS TEXT) float formatting varies by platform. macOS arm64 produces 14 decimal digits instead of 15, causing CI failure. Match prefix '8.49666' instead of full precision string.
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Show per-column count, non-null count, min, max, and mean for numeric columns.
Supports all input formats (CSV, JSON, TSV, etc.) and can be combined with --delimiter, --real, --no-inference.
Closes #169.