grammar.txt

fake column_def ::=  column_name type_name ( column_constraint ) *
column_def_real ::=  <<columnNameExt column_name_real>> <<typeNameExt type_name_real>> ( <<columnConstraintExt column_constraint_real>> ) * {
  elementType = column_def
}
fake type_name ::=  identifier [ '(' signed_number ')' | '(' signed_number ',' signed_number ')' ]
type_name_real ::=  <<identifierExt identifier_real>> [ '(' <<signedNumberExt signed_number_real>> ')' | '(' <<signedNumberExt signed_number_real>> ',' <<signedNumberExt signed_number_real>> ')' ] {
  elementType = type_name
}