Method iterateNodesByLanguageWithDecorator

src/db/queries.ts:1082–1091

* Stream nodes of one language whose `decorators` JSON array contains * `decorator`. The LIKE on the JSON text is a cheap index-free pre-filter * (a decorator name can appear as a substring of another), so callers must * still exact-check `node.decorators.includes(decorator)`. Exists so the

(language: Language, decorator: string)

   * default heap on a 2M-node graph (#1212).
   */
  *iterateNodesByLanguageWithDecorator(language: Language, decorator: string): IterableIterator<Node> {
    // Fresh statement per call — an iterator holds an open cursor (see
    // iterateNodesByKind).
    const stmt = this.db.prepare(
      "SELECT * FROM nodes WHERE language = ? AND decorators LIKE '%' || ? || '%'"
    );
    for (const row of stmt.iterate(language, `"${decorator}"`)) {
      yield rowToNode(row as NodeRow);
    }
  }

  /**
   * Distinct languages present in the files table. One indexed aggregate —