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# F_MAX_NUMERO_EVENTI_RAGGIUNTO

## Codice Sorgente

```sql FUNCTION F_MAX_NUMERO_EVENTI_RAGGIUNTO ( P_GIORNO IN DATE ) RETURN NUMBER AS v_max_eventi TB_CALENDAR_LOCKS.max_eventi%TYPE; -- Variable to hold the max_eventi value from TB_CALENDAR_LOCKS v_event_count NUMBER; -- Variable to hold the count of events from EVENTI BEGIN -- Step 1: Check if P_GIORNO is present in TB_CALENDAR_LOCKS and get the max_eventi value for that day BEGIN SELECT max_eventi INTO v_max_eventi FROM TB_CALENDAR_LOCKS WHERE giorno = P_GIORNO; EXCEPTION WHEN NO_DATA_FOUND THEN -- If the date is not found in TB_CALENDAR_LOCKS, return -1 (or some other code to indicate the absence) RETURN -1; END;

-- Step 2: Count how many events occurred on P_GIORNO in the EVENTI table SELECT COUNT(*) INTO v_event_count FROM EVENTI WHERE TRUNC(DATA) = TRUNC(P_GIORNO); -- Use TRUNC to compare only the date part

-- Step 3: Compare the event count with the max_eventi and return the appropriate result IF v_event_count >= v_max_eventi THEN RETURN 1; -- Maximum number of events has been reached or exceeded ELSE RETURN 0; -- Maximum number of events has not been reached END IF;

END F_MAX_NUMERO_EVENTI_RAGGIUNTO;```