Function queryPromised

lib/index-browser.js:9043–9113

(db, fun, opts)

  }

  async function queryPromised(db, fun, opts) {
    /* istanbul ignore next */
    if (typeof db._query === 'function') {
      return customQuery(db, fun, opts);
    }
    if (isRemote(db)) {
      return httpQuery(db, fun, opts);
    }

    const updateViewOpts = {
      changes_batch_size: db.__opts.view_update_changes_batch_size || CHANGES_BATCH_SIZE$1
    };

    if (typeof fun !== 'string') {
      // temp_view
      checkQueryParseError(opts, fun);

      tempViewQueue.add(async function () {
        const view = await createView(
          /* sourceDB */ db,
          /* viewName */ 'temp_view/temp_view',
          /* mapFun */ fun.map,
          /* reduceFun */ fun.reduce,
          /* temporary */ true,
          /* localDocName */ localDocName);

        return fin(updateView(view, updateViewOpts).then(
          function () { return queryView(view, opts); }),
          function () { return view.db.destroy(); }
        );
      });
      return tempViewQueue.finish();
    } else {
      // persistent view
      const fullViewName = fun;
      const parts = parseViewName(fullViewName);
      const designDocName = parts[0];
      const viewName = parts[1];

      const doc = await db.get('_design/' + designDocName);
      fun = doc.views && doc.views[viewName];

      if (!fun) {
        // basic validator; it's assumed that every subclass would want this
        throw new NotFoundError(`ddoc ${doc._id} has no view named ${viewName}`);
      }

      ddocValidator(doc, viewName);
      checkQueryParseError(opts, fun);

      const view = await createView(
        /* sourceDB */ db,
        /* viewName */ fullViewName,
        /* mapFun */ fun.map,
        /* reduceFun */ fun.reduce,
        /* temporary */ false,
        /* localDocName */ localDocName);