Unprepare a previously prepared statement.
Source position: sqldb.pp line 430
public procedure TCustomSQLStatement.Unprepare; |
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.
If an error occurs at the database level (the unprepare operation failed to execute properly) then an exception is raised.
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The SQL statement to execute. |
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Database instance to execute statement on. |
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The transaction in which the SQL statement should be executed. |
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Prepare the statement for execution. |