Class FieldPath (7.2.0)
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A dot-separated path for navigating sub-objects (e.g. nested maps) within a document.
Package
@google-cloud/firestore
Constructors
(constructor)(segments)
constructor(...segments: string[]);
Constructs a Firestore Field Path.
Parameter |
---|
Name | Description |
segments |
string[]
Sequence of field names that form this path.
|
Example
let query = firestore.collection('col');
let fieldPath = new FieldPath('f.o.o', 'bar');
query.where(fieldPath, '==', 42).get().then(snapshot => {
snapshot.forEach(document => {
console.log(`Document contains {'f.o.o' : {'bar' : 42}}`);
});
});
Methods
documentId()
static documentId(): FieldPath;
A special FieldPath value to refer to the ID of a document. It can be used in queries to sort or filter by the document ID.
isEqual(other)
isEqual(other: FieldPath): boolean;
Returns true if this FieldPath
is equal to the provided value.
Parameter |
---|
Name | Description |
other |
FieldPath
The value to compare against. {boolean} true if this FieldPath is equal to the provided value.
|
Returns |
---|
Type | Description |
boolean | |
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Last updated 2024-09-19 UTC.
[{
"type": "thumb-down",
"id": "hardToUnderstand",
"label":"Hard to understand"
},{
"type": "thumb-down",
"id": "incorrectInformationOrSampleCode",
"label":"Incorrect information or sample code"
},{
"type": "thumb-down",
"id": "missingTheInformationSamplesINeed",
"label":"Missing the information/samples I need"
},{
"type": "thumb-down",
"id": "otherDown",
"label":"Other"
}]
[{
"type": "thumb-up",
"id": "easyToUnderstand",
"label":"Easy to understand"
},{
"type": "thumb-up",
"id": "solvedMyProblem",
"label":"Solved my problem"
},{
"type": "thumb-up",
"id": "otherUp",
"label":"Other"
}]
{"lastModified": "Last updated 2024-09-19 UTC."}
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-19 UTC."]]