TCustomSQLStatement.Unprepare¶
Unprepare a previously prepared statement.
Declaration¶
Source position: sqldb.pp line 442
public
procedure TCustomSQLStatement.Unprepare;
Description¶
Unprepare unprepares a prepared SQL statement. It is called automatically when the SQL statement is changed. Depending on the database engine, it will also de-allocate any allocated resources on the database server. if the statement is not in a prepared state, nothing happens.
Errors¶
If an error occurs at the database level (the unprepare operation failed to execute properly) then an exception is raised.
See also¶
| Name | Description |
|---|---|
| TSQLStatement.SQL | The SQL statement to execute. |
| TSQLStatement.Database | Database instance to execute statement on. |
| TSQLStatement.Transaction | The transaction in which the SQL statement should be executed. |
| TCustomSQLStatement.Prepare | Prepare the statement for execution. |