QueryFieldFilterConstraint class
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A QueryFieldFilterConstraint is used to narrow the set of documents returned by a Firestore query by filtering on one or more document fields. QueryFieldFilterConstraints are created by invoking where() and can then be passed to query() to create a new query instance that also contains this QueryFieldFilterConstraint.
Signature:
export declare class QueryFieldFilterConstraint extends QueryConstraint
Extends: QueryConstraint
Properties
| Property |
Modifiers |
Type |
Description |
| type |
|
(not declared) |
The type of this query constraint |
QueryFieldFilterConstraint.type
The type of this query constraint
Signature:
readonly type = "where";
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Last updated 2024-01-19 UTC.
[null,null,["Last updated 2024-01-19 UTC."],[],[],null,["A `QueryFieldFilterConstraint` is used to narrow the set of documents returned by a Firestore query by filtering on one or more document fields. `QueryFieldFilterConstraint`s are created by invoking [where()](./firestore_.md#where_0fae4bf) and can then be passed to [query()](./firestore_.md#query_9f7b0f4) to create a new query instance that also contains this `QueryFieldFilterConstraint`.\n\n**Signature:** \n\n export declare class QueryFieldFilterConstraint extends QueryConstraint \n\n**Extends:** [QueryConstraint](./firestore_lite.queryconstraint.md#queryconstraint_class)\n\nProperties\n\nQueryFieldFilterConstraint.type\n\nThe type of this query constraint\n\n**Signature:** \n\n readonly type = \"where\";"]]
