TLogicalSqlDatabase
Abstract base class for
TSqlDatabase implementations that manipulate or translate queries before they sent to an
actual physical TSqlDatabase.
Inheritance
| Level | Ancestor | Description |
|---|---|---|
| 1 | TObject | Ultimate ancestor in a class hierarchy |
| 2 | TSqlStatementExecutor | Abstract base class for a facility that executes a TSqlStatement |
| 3 | TSqlDatabase | Abstract base class for connections to databases that can be queried using SQL statements. |
| 4 | TLogicalSqlDatabase |
Source
Sql.Database.Logical.pas (33)
Fields
| Scope | Visibility | Type | Name | Description |
|---|---|---|---|---|
| Instance | public | TSqlDatabase | Database | |
| Instance | public | TBoolean | OwnsDecoratedDatabase |
Methods
| Scope | Visibility | Result | Name | Description |
|---|---|---|---|---|
| Instance | protected | TSqlConnectionSettings | GetConnectionSettings() | |
| Instance | protected | TBoolean | GetCouldConnect() | |
| Instance | public | Create(Database: TSqlDatabase; OwnsDecoratedDatabase: TBoolean) | ||
| Instance | public | Destroy() | ||
| Instance | public | TSqlTransaction | StartTransaction() | |
| Instance | public | EndTransaction(Transaction: TSqlTransaction) | ||
| Instance | public | TSqlResult | Query(Statement: TSqlStatement; ResultMethod: TSqlQueryResultMethod) | |
| Instance | public | TInteger | NumberOfAffectedRows() | |
| Instance | public | TInteger | ConnectionIdentifier() | |
| Instance | public | TInteger | InsertId() | |
| Instance | public | TSqlPreparedStatement | Prepare(Statement: TSqlStatement) | |
| Instance | public | TBoolean | UserExists(Name: TText) | |
| Instance | public | TBoolean | IsAlive() | |
| Instance | public | TPositiveInteger32 | IdleTime() | |
| Instance | public | TObject | GetSystemInformation() |