chore: remove old unused count code

Author: mbroadst

lib/operations/collection_ops.js

@@ -172,80 +172,6 @@ function checkForAtomicOperators(update) {
   }
 }
 
-/**
- * Count the number of documents in the collection that match the query.
- *
- * @method
- * @param {Collection} a Collection instance.
- * @param {object} query The query for the count.
- * @param {object} [options] Optional settings. See Collection.prototype.count for a list of options.
- * @param {Collection~countCallback} [callback] The command result callback
- */
-function count(coll, query, options, callback) {
-  if (typeof options === 'function') (callback = options), (options = {});
-  options = Object.assign({}, options);
-  options.collectionName = coll.collectionName;
-
-  options.readPreference = resolveReadPreference(coll, options);
-
-  let cmd;
-  try {
-    cmd = buildCountCommand(coll, query, options);
-  } catch (err) {
-    return callback(err);
-  }
-
-  executeCommand(coll.s.db, cmd, options, (err, result) => {
-    if (err) return handleCallback(callback, err);
-    handleCallback(callback, null, result.n);
-  });
-}
-
-/**
- * Build the count command.
- *
- * @method
- * @param {collectionOrCursor} an instance of a collection or cursor
- * @param {object} query The query for the count.
- * @param {object} [options] Optional settings. See Collection.prototype.count and Cursor.prototype.count for a list of options.
- */
-function buildCountCommand(collectionOrCursor, query, options) {
-  const skip = options.skip;
-  const limit = options.limit;
-  let hint = options.hint;
-  const maxTimeMS = options.maxTimeMS;
-  query = query || {};
-
-  // Final query
-  const cmd = {
-    count: options.collectionName,
-    query: query
-  };
-
-  // check if collectionOrCursor is a cursor by using cursor.s.numberOfRetries
-  if (collectionOrCursor.s.numberOfRetries) {
-    if (collectionOrCursor.s.options.hint) {
-      hint = collectionOrCursor.s.options.hint;
-    } else if (collectionOrCursor.s.cmd.hint) {
-      hint = collectionOrCursor.s.cmd.hint;
-    }
-    decorateWithCollation(cmd, collectionOrCursor, collectionOrCursor.s.cmd);
-  } else {
-    decorateWithCollation(cmd, collectionOrCursor, options);
-  }
-
-  // Add limit, skip and maxTimeMS if defined
-  if (typeof skip === 'number') cmd.skip = skip;
-  if (typeof limit === 'number') cmd.limit = limit;
-  if (typeof maxTimeMS === 'number') cmd.maxTimeMS = maxTimeMS;
-  if (hint) cmd.hint = hint;
-
-  // Do we have a readConcern specified
-  decorateWithReadConcern(cmd, collectionOrCursor);
-
-  return cmd;
-}
-
 /**
  * Create an index on the db and collection.
  *
@@ -1223,8 +1149,6 @@ function updateOne(coll, filter, update, options, callback) {
 module.exports = {
   bulkWrite,
   checkForAtomicOperators,
-  count,
-  buildCountCommand,
   createIndex,
   createIndexes,
   deleteMany,