CreateQuery table_gcd_codec (children 3)
 Identifier table_gcd_codec
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration n (children 2)
    DataType UInt64
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function GCD
 Storage definition (children 1)
  Function Memory