Method getFunction

fe/src/main/java/org/apache/impala/catalog/Db.java:316–323

(Function desc, Function.CompareMode mode)

   * See comment in Catalog.
   */
  @Override // FeDb
  public Function getFunction(Function desc, Function.CompareMode mode) {
    synchronized (functions_) {
      List<Function> fns = functions_.get(desc.functionName());
      if (fns == null) return null;
      return FunctionUtils.resolveFunction(fns, desc, mode);
    }
  }

  public Function getFunction(String signatureString) {
    synchronized (functions_) {