raise Exception inside if condition in plsql - sql

Question

declare
cnt number;
begin
select count(*)
into cnt
FROM employee;
IF cnt = 0 THEN
DELETE employee;
COMMIT;
EXCEPTION
WHEN others THEN
log_error_local(k_sub_module, l_step||' '||sqlerrm);
raise;
END IF;
end
getting syntax error like below..
Error(188,13): PLS-00103: Encountered the symbol "EXCEPTION" when expecting one of the following: ( begin case declare else elsif end exit for goto if loop mod null pragma raise return select update while with << continue close current delete fetch lock insert open rollback savepoint set sql execute commit forall merge pipe purge

Answer 1

To fix your syntax issues, you can wrap the contents of the IF .. THEN statement in a BEGIN/END block:
DECLARE
cnt number;
BEGIN
select count(*)
into cnt
FROM employee;
IF cnt = 0 THEN
BEGIN
DELETE FROM employee;
COMMIT;
EXCEPTION
WHEN OTHERS THEN
log_error_local(k_sub_module, l_step||' '||sqlerrm);
raise;
END;
END IF;
END;
/
Note: the DELETE statement is missing the FROM keyword and you do not appear to have declared the k_sub_module or l_step variables.
or, since you are re-raising the exception and execution will be halted anyway, catch the exception outside the IF statement in the main block:
DECLARE
cnt number;
BEGIN
select count(*)
into cnt
FROM employee;
IF cnt = 0 THEN
DELETE FROM employee;
COMMIT;
END IF;
EXCEPTION
WHEN OTHERS THEN
log_error_local(k_sub_module, l_step||' '||sqlerrm);
raise;
END;
/
db<>fiddle here