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where() function
Creates a QueryConstraint that enforces that documents must contain the specified field and that the value should satisfy the relation constraint provided.
Signature:
export declare function where(fieldPath: string | FieldPath, opStr: WhereFilterOp, value: unknown): QueryConstraint;
Parameters
| Parameter | Type | Description |
|---|---|---|
| fieldPath | string | FieldPath | The path to compare |
| opStr | WhereFilterOp | The operation string (e.g "<", "<=", "==", "<", "<=", "!="). |
| value | unknown | The value for comparison |
Returns:
The created Query.