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29db029d69
* Add SI-prefix-aware sorting column for the parts table 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. * Rename SI column from "Name (SI)" to "SI Value" The column now shows the parsed numeric value rather than the part name, so the label should reflect that. * Support comma as decimal separator in SI value parsing Part names using European decimal notation (e.g. "4,7 kΩ", "2,2uF") were parsed incorrectly because the regex only recognized dots. Now commas are normalized to dots before parsing, matching the existing pattern used elsewhere in the codebase (PartNormalizer, price providers). |
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