default boolean isWindowFunction(
      final SessionInfo session, final String functionName, final AccessControl accessControl) {
    return TableBuiltinWindowFunction.getBuiltInWindowFunctionName().contains(functionName);
  }
Return table schema definition for the specified table handle. Table schema definition is a set
of information required by semantic analyzer to analyze the query.

@throws RuntimeException if table handle is no longer valid
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/relational/metadata/Metadata.java