Breaks execution of the SQL statement on the server.
procedure BreakExec; virtual;
Call the BreakExec method to break execution of the SQL statement on the server. It makes sense to only call BreakExec from another thread.
Note that calling BreakExec to interrupt dataset opening in the NonBlocking mode may not have any effect if fetching has already begun (this happens when BreakExec executes between two fetch operations).