public sealed class WriteBatch
Reference documentation and code samples for the Firestore API class WriteBatch.
A batch of write operations, to be applied in a single commit.
Namespace
Google.Cloud.FirestoreAssembly
Google.Cloud.Firestore.dll
Methods
CommitAsync(CancellationToken)
public Task<IList<WriteResult>> CommitAsync(CancellationToken cancellationToken = default)
Commits the batch on the server.
Parameter | |
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Name | Description |
cancellationToken |
CancellationToken |
Returns | |
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Type | Description |
TaskSystem.Collections.Generic.IList`1WriteResult |
The write results from the commit. |
Create(DocumentReference, object)
public WriteBatch Create(DocumentReference documentReference, object documentData)
Adds a write operation which will create the specified document with a precondition that it doesn't exist already.
Parameters | |
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Name | Description |
documentReference |
DocumentReference A document reference indicating the path of the document to create. Must not be null. |
documentData |
object The data for the document. Must not be null. |
Returns | |
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Type | Description |
WriteBatch |
This batch, for the purpose of method chaining |
Delete(DocumentReference, Precondition)
public WriteBatch Delete(DocumentReference documentReference, Precondition precondition = null)
Adds a write operation that deletes the specified document, with an optional precondition.
Parameters | |
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Name | Description |
documentReference |
DocumentReference A document reference indicating the path of the document to delete. Must not be null. |
precondition |
Precondition Optional precondition for deletion. May be null, in which case the deletion is unconditional. |
Returns | |
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Type | Description |
WriteBatch |
This batch, for the purposes of method chaining. |
Set(DocumentReference, object, SetOptions)
public WriteBatch Set(DocumentReference documentReference, object documentData, SetOptions options = null)
Adds an operation that sets data in a document, either replacing it completely or merging fields.
Parameters | |
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Name | Description |
documentReference |
DocumentReference A document reference indicating the path of the document to update. Must not be null. |
documentData |
object The data to store in the document. Must not be null. |
options |
SetOptions The options to use when setting data in the document. May be null, which is equivalent to Overwrite. |
Returns | |
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Type | Description |
WriteBatch |
This batch, for the purposes of method chaining. |
Update(DocumentReference, IDictionary<FieldPath, object>, Precondition)
public WriteBatch Update(DocumentReference documentReference, IDictionary<FieldPath, object> updates, Precondition precondition = null)
Adds an update operation that updates just the specified fields paths in the document, with the corresponding values.
Parameters | |
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Name | Description |
documentReference |
DocumentReference A document reference indicating the path of the document to update. Must not be null. |
updates |
IDictionaryFieldPathobject The updates to perform on the document, keyed by the field path to update. Fields not present in this dictionary are not updated. Must not be null or empty. |
precondition |
Precondition Optional precondition for updating the document. May be null, which is equivalent to MustExist. |
Returns | |
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Type | Description |
WriteBatch |
This batch, for the purposes of method chaining. |
Update(DocumentReference, IDictionary<string, object>, Precondition)
public WriteBatch Update(DocumentReference documentReference, IDictionary<string, object> updates, Precondition precondition = null)
Adds an update operation that updates just the specified fields paths in the document, with the corresponding values.
Parameters | |
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Name | Description |
documentReference |
DocumentReference A document reference indicating the path of the document to update. Must not be null. |
updates |
IDictionarystringobject The updates to perform on the document, keyed by the dot-separated field path to update. Fields not present in this dictionary are not updated. Must not be null or empty. |
precondition |
Precondition Optional precondition for updating the document. May be null, which is equivalent to MustExist. |
Returns | |
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Type | Description |
WriteBatch |
This batch, for the purposes of method chaining. |
Update(DocumentReference, string, object, Precondition)
public WriteBatch Update(DocumentReference documentReference, string field, object value, Precondition precondition = null)
Adds an update operation that updates just the specified field in the document, with the corresponding values.
Parameters | |
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Name | Description |
documentReference |
DocumentReference A document reference indicating the path of the document to update. Must not be null. |
field |
string The dot-separated name of the field to update. Must not be null. |
value |
object The new value for the field. May be null. |
precondition |
Precondition Optional precondition for updating the document. May be null, which is equivalent to MustExist. |
Returns | |
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Type | Description |
WriteBatch |
This batch, for the purposes of method chaining. |