add_column
add_column(col_name, col_type="TEXT", default=None)
Adds a new column to the table via ALTER TABLE ... ADD COLUMN and commits. Existing rows receive default (or NULL when default is not given).
Parameters
- col_name : str
- Name of the column to add.
- col_type : str, optional
- SQLite column type/affinity (
"TEXT","INTEGER","REAL","BLOB"). Defaults to"TEXT". - default : str or float or int or None, optional
- Default value applied to existing rows and used when no value is supplied on insert. When
None(default), noDEFAULTclause is emitted and existing rows receiveNULL.
Returns
None