chore: add fillZero function to query builder functions list

frontend/src/constants/queryFunctionOptions.ts

@@ -68,8 +68,8 @@ export const metricQueryFunctionOptions: SelectOption<string, string>[] = [
 		label: 'Time Shift',
 	},
 	{
-		value: QueryFunctionsTypes.TIME_SHIFT,
-		label: 'Time Shift',
+		value: QueryFunctionsTypes.FILL_ZERO,
+		label: 'Fill Zero',
 	},
 ];
 
@@ -156,4 +156,7 @@ export const queryFunctionsTypesConfig: QueryFunctionConfigType = {
 		showInput: true,
 		inputType: 'text',
 	},
+	fillZero: {
+		showInput: false,
+	},
 };

frontend/src/types/common/queryBuilder.ts

@@ -208,6 +208,7 @@ export enum QueryFunctionsTypes {
 	MEDIAN_5 = 'median5',
 	MEDIAN_7 = 'median7',
 	TIME_SHIFT = 'timeShift',
+	FILL_ZERO = 'fillZero',
 }
 
 export type PanelTypeKeys =

frontend/src/utils/functionNameNormalizer.test.ts

@@ -59,6 +59,9 @@ describe('functionNameNormalizer', () => {
 			expect(normalizeFunctionName('median5')).toBe(QueryFunctionsTypes.MEDIAN_5);
 			expect(normalizeFunctionName('median7')).toBe(QueryFunctionsTypes.MEDIAN_7);
 			expect(normalizeFunctionName('anomaly')).toBe(QueryFunctionsTypes.ANOMALY);
+			expect(normalizeFunctionName('fillzero')).toBe(
+				QueryFunctionsTypes.FILL_ZERO,
+			);
 		});
 	});
 

frontend/src/utils/functionNameNormalizer.ts

@@ -27,6 +27,7 @@ export const normalizeFunctionName = (functionName: string): string => {
 		median5: QueryFunctionsTypes.MEDIAN_5,
 		median7: QueryFunctionsTypes.MEDIAN_7,
 		anomaly: QueryFunctionsTypes.ANOMALY,
+		fillzero: QueryFunctionsTypes.FILL_ZERO,
 	};
 
 	// Convert to lowercase for case-insensitive matching