TSqlAlterColumn
Inheritance
| Level | Ancestor | Description |
|---|---|---|
| 1 | TObject | Ultimate ancestor in a class hierarchy |
| 2 | TBaseObject | A base class for objects that can be used instead of TObject. |
| 3 | TReferenceCountedObject | Object that keeps track of the number of times it is referenced from other objects |
| 4 | TSqlExpression | Base class for expressions in an SQL expression tree. |
| 5 | TSqlAlterTableSpecification | |
| 6 | TSqlAlterColumn |
Source
Sql.Statement.DataDefinition.Table.Alter.pas (71)
Fields
| Scope | Visibility | Type | Name | Description |
|---|---|---|---|---|
| Instance | private | TType | FColumnType | |
| Instance | public | TSqlTableColumn | Column | |
| Instance | public | TText | Identifier | |
| Instance | public | TBoolean | Nullable | |
| Instance | public | TBoolean | First | |
| Instance | public | TSqlTableColumn | After |
Methods
| Scope | Visibility | Result | Name | Description |
|---|---|---|---|---|
| Instance | private | SetColumnType(Value: TType) | ||
| Instance | public | Create(Column: TSqlTableColumn) | ||
| Instance | public | Destroy() | ||
| Instance | public | TSqlAlterTableSpecification | CopyAlterTableSpecification() | |
| Instance | public | TSqlAlterColumn | CopyAlterColumn() |