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63486782c4
Adds an optional "Name (SI)" column that parses numeric values with SI prefixes (p, n, u/µ, m, k/K, M, G, T) from part names and sorts by the resulting physical value. This is useful for electronic components where alphabetical sorting produces wrong results — e.g. 100nF, 10pF, 1uF should sort as 10pF < 100nF < 1uF. Implementation: - New SiValueSort DQL function with platform-specific SQL generation for PostgreSQL (POSIX regex), MySQL/MariaDB (REGEXP_SUBSTR), and SQLite (PHP callback registered via the existing middleware). - The regex is start-anchored: only names beginning with a number are matched. Part numbers like "MCP2515" or "Crystal 20MHz" are ignored. - When SI sort is active, NATSORT is appended as a secondary sort so that non-matching parts fall back to natural string ordering instead of appearing in arbitrary order. - The column is opt-in (not in default columns) and displays the parsed float value, or an empty cell for non-matching names. |
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