CreateQuery test (children 3)
 Identifier test
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration str (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration i (children 1)
    DataType Int64
 Storage definition (children 1)
  Function Memory (children 1)
   ExpressionList
