Alter (IAlterExpressionRoot)

Alter --+- Table --- name ----> IAlterTableAddColumnOrAlterColumnOrSchemaOrDescriptionSyntax
        |
        +- Column --- name ---> IAlterColumnOnTableSyntax

IAlterTableAddColumnOrAlterColumnOrSchemaOrDescriptionSyntax

--------+-----------------------------------+--> IAlterTableAddColumnOrAlterColumnOrSchemaSyntax
        |                                   |
        +- WithDescription --- description -+

IAlterColumnOnTableSyntax

---------- OnTable --- name --> IAlterColumnAsTypeOrInSchemaSyntax

IAlterColumnAsTypeOrInSchemaSyntax

--------+-----------------------+--> IAlterColumnAsTypeSyntax
        |                       |
        +- InSchema --- schema -+

IAlterColumnAsTypeSyntax

---------- IColumnTypeSyntax ---- TNext: IAlterColumnOptionSyntax ---

• IColumnTypeSyntax

IAlterColumnOptionSyntax

---------- IColumnOptionSyntax -+--> TNext: IAlterColumnOptionSyntax
                                |
                                +--> TNextFk: IAlterColumnOptionOrForeignKeyCascadeSyntax

• IColumnOptionSyntax

IAlterColumnOptionOrForeignKeyCascadeSyntax

--------+--> IAlterColumnOptionSyntax
        |
        +- IForeignKeyCascadeSyntax -+--> TNext: IAlterColumnOptionSyntax
                                     |
                                     +--> TNextFk: IAlterColumnOptionOrForeignKeyCascadeSyntax

• IForeignKeyCascadeSyntax

IAlterTableAddColumnOrAlterColumnOrSchemaSyntax

--------+-----------------------+--> IAlterTableAddColumnOrAlterColumnSyntax
        |                       |
        +- InSchema --- schema -+

IAlterTableAddColumnOrAlterColumnSyntax

--------+- AddColumn name ---+--> IAlterTableColumnAsTypeSyntax
        |                    |
        +- AlterColumn name -+
        |
        +- ToSchema name -------| (end)

IAlterTableColumnAsTypeSyntax

---------- IColumnTypeSyntax ---- TNext: IAlterTableColumnOptionOrAddColumnOrAlterColumnSyntax ---

• IColumnTypeSyntax

IAlterTableColumnOptionOrAddColumnOrAlterColumnSyntax

--------+-------------------------------+--+--> IAlterTableAddColumnOrAlterColumnSyntax
        |                               |  |
        +- SetExistingRowsTo --- value -+  +--> IColumnOptionSyntax -+--> TNext: IAlterTableColumnOptionOrAddColumnOrAlterColumnSyntax
                                                                     |
                                                                     +--> TNextFk: IAlterTableColumnOptionOrAddColumnOrAlterColumnOrForeignKeyCascadeSyntax

• IColumnOptionSyntax

IAlterTableColumnOptionOrAddColumnOrAlterColumnOrForeignKeyCascadeSyntax

--------+--> IAlterTableColumnOptionOrAddColumnOrAlterColumnSyntax
        |
        +- IForeignKeyCascadeSyntax -+--> TNext: IAlterTableColumnOptionOrAddColumnOrAlterColumnSyntax
                                     |
                                     +--> TNextFk: IAlterTableColumnOptionOrAddColumnOrAlterColumnOrForeignKeyCascadeSyntax

• IForeignKeyCascadeSyntax