Method _reflect_column

lib/sqlalchemy/engine/reflection.py:1630–1700

(
        self,
        table: sa_schema.Table,
        col_d: ReflectedColumn,
        include_columns: Optional[Collection[str]],
        exclude_columns: Collection[str],
        cols_by_orig_name: Dict[str, sa_schema.Column[Any]],
    )

        )

    def _reflect_column(
        self,
        table: sa_schema.Table,
        col_d: ReflectedColumn,
        include_columns: Optional[Collection[str]],
        exclude_columns: Collection[str],
        cols_by_orig_name: Dict[str, sa_schema.Column[Any]],
    ) -> None:
        orig_name = col_d["name"]

        table.metadata.dispatch.column_reflect(self, table, col_d)
        table.dispatch.column_reflect(self, table, col_d)

        # fetch name again as column_reflect is allowed to
        # change it
        name = col_d["name"]
        if (include_columns and name not in include_columns) or (
            exclude_columns and name in exclude_columns
        ):
            return

        coltype = col_d["type"]

        col_kw = {
            k: col_d[k]  # type: ignore[literal-required]
            for k in [
                "nullable",
                "autoincrement",
                "quote",
                "info",
                "key",
                "comment",
            ]
            if k in col_d
        }

        if "dialect_options" in col_d:
            col_kw.update(col_d["dialect_options"])

        colargs = []
        default: Any
        if col_d.get("default") is not None:
            default_text = col_d["default"]
            assert default_text is not None
            if isinstance(default_text, TextClause):
                default = sa_schema.DefaultClause(
                    default_text, _reflected=True
                )
            elif not isinstance(default_text, sa_schema.FetchedValue):
                default = sa_schema.DefaultClause(
                    sql.text(default_text), _reflected=True
                )
            else:
                default = default_text
            colargs.append(default)

        if "computed" in col_d:
            computed = sa_schema.Computed(**col_d["computed"])