SQL Formatter WIPのデモ実装とパーサ強化/テスト拡充 #7
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SQL Formatter WIPのデモ実装とパーサ強化/テスト拡充
概要
SQL Formatter の基盤整備として、AST/フォーマットの UI を追加し、パーサの厳密化とテスト拡充を実施。フォーマッタの初期骨格とルール定義、ドキュメントも更新。
主な変更点
フォーマッタ/UIを SQL Formatter WIP UI として新規作成
入力 SQL → AST → 整形の最小パイプラインを搭載
WHERE/QUALIFY/AND/OR/ORDER/GROUP/JOIN の整形ルールを実装
CTE (WITH) と基本的な関数/OVER を出力
コメント挿入（簡易）を追加
lexer の実用化（コメント/エスケープ/指数/引用識別子）
構文厳密化（FROM/HAVING/JOIN/FRAME/FETCH/OFFSET/SETOP など）
トークンに start/end を付与