v1beta1

v1beta1

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Members

(static) Direction :number

A sort direction.

Properties:
Name Type Description
DIRECTION_UNSPECIFIED number

Unspecified.
ASCENDING number

Ascending.
DESCENDING number

Descending.
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(static) Operator :number

A composite filter operator.

Properties:
Name Type Description
OPERATOR_UNSPECIFIED number

Unspecified. This value must not be used.
AND number

The results are required to satisfy each of the combined filters.
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(static) Operator :number

A unary operator.

Properties:
Name Type Description
OPERATOR_UNSPECIFIED number

Unspecified. This value must not be used.
IS_NAN number

Test if a field is equal to NaN.
IS_NULL number

Test if an expression evaluates to Null.
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(static) Operator :number

A field filter operator.

Properties:
Name Type Description
OPERATOR_UNSPECIFIED number

Unspecified. This value must not be used.
LESS_THAN number

Less than. Requires that the field come first in order_by.
LESS_THAN_OR_EQUAL number

Less than or equal. Requires that the field come first in order_by.
GREATER_THAN number

Greater than. Requires that the field come first in order_by.
GREATER_THAN_OR_EQUAL number

Greater than or equal. Requires that the field come first in order_by.
EQUAL number

Equal.
ARRAY_CONTAINS number

Contains. Requires that the field is an array.
IN number

In. Requires that value is a non-empty ArrayValue with at most 10 values.
ARRAY_CONTAINS_ANY number

Contains any. Requires that the field is an array and value is a non-empty ArrayValue with at most 10 values.
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(static) ServerValue :number

A value that is calculated by the server.

Properties:
Name Type Description
SERVER_VALUE_UNSPECIFIED number

Unspecified. This value must not be used.
REQUEST_TIME number

The time at which the server processed the request, with millisecond precision.
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(static) TargetChangeType :number

The type of change.

Properties:
Name Type Description
NO_CHANGE number

No change has occurred. Used only to send an updated resume_token.
ADD number

The targets have been added.
REMOVE number

The targets have been removed.
CURRENT number

The targets reflect all changes committed before the targets were added to the stream.

This will be sent after or with a read_time that is greater than or equal to the time at which the targets were added.

Listeners can wait for this change if read-after-write semantics are desired.
RESET number

The targets have been reset, and a new initial state for the targets will be returned in subsequent changes.

After the initial state is complete, CURRENT will be returned even if the target was previously indicated to be CURRENT.
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Type Definitions

ArrayValue

An array value.

Properties:
Name Type Description
values Array.<Object>

Values in the array.

This object should have the same structure as Value
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BatchGetDocumentsRequest

The request for Firestore.BatchGetDocuments.

Properties:
Name Type Description
database string

The database name. In the format: projects/{project_id}/databases/{database_id}.
documents Array.<string>

The names of the documents to retrieve. In the format: projects/{project_id}/databases/{database_id}/documents/{document_path}. The request will fail if any of the document is not a child resource of the given database. Duplicate names will be elided.
mask Object

The fields to return. If not set, returns all fields.

If a document has a field that is not present in this mask, that field will not be returned in the response.

This object should have the same structure as DocumentMask
transaction Buffer

Reads documents in a transaction.
newTransaction Object

Starts a new transaction and reads the documents. Defaults to a read-only transaction. The new transaction ID will be returned as the first response in the stream.

This object should have the same structure as TransactionOptions
readTime Object

Reads documents as they were at the given time. This may not be older than 60 seconds.

This object should have the same structure as Timestamp
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BatchGetDocumentsResponse

The streamed response for Firestore.BatchGetDocuments.

Properties:
Name Type Description
found Object

A document that was requested.

This object should have the same structure as Document
missing string

A document name that was requested but does not exist. In the format: projects/{project_id}/databases/{database_id}/documents/{document_path}.
transaction Buffer

The transaction that was started as part of this request. Will only be set in the first response, and only if BatchGetDocumentsRequest.new_transaction was set in the request.
readTime Object

The time at which the document was read. This may be monotically increasing, in this case the previous documents in the result stream are guaranteed not to have changed between their read_time and this one.

This object should have the same structure as Timestamp
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BeginTransactionRequest

The request for Firestore.BeginTransaction.

Properties:
Name Type Description
database string

The database name. In the format: projects/{project_id}/databases/{database_id}.
options Object

The options for the transaction. Defaults to a read-write transaction.

This object should have the same structure as TransactionOptions
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BeginTransactionResponse

The response for Firestore.BeginTransaction.

Properties:
Name Type Description
transaction Buffer

The transaction that was started.
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CollectionSelector

A selection of a collection, such as messages as m1.

Properties:
Name Type Description
collectionId string

The collection ID. When set, selects only collections with this ID.
allDescendants boolean

When false, selects only collections that are immediate children of the parent specified in the containing RunQueryRequest. When true, selects all descendant collections.
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CommitRequest

The request for Firestore.Commit.

Properties:
Name Type Description
database string

The database name. In the format: projects/{project_id}/databases/{database_id}.
writes Array.<Object>

The writes to apply.

Always executed atomically and in order.

This object should have the same structure as Write
transaction Buffer

If set, applies all writes in this transaction, and commits it.
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CommitResponse

The response for Firestore.Commit.

Properties:
Name Type Description
writeResults Array.<Object>

The result of applying the writes.

This i-th write result corresponds to the i-th write in the request.

This object should have the same structure as WriteResult
commitTime Object

The time at which the commit occurred.

This object should have the same structure as Timestamp
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CompositeFilter

A filter that merges multiple other filters using the given operator.

Properties:
Name Type Description
op number

The operator for combining multiple filters.

The number should be among the values of Operator
filters Array.<Object>

The list of filters to combine. Must contain at least one filter.

This object should have the same structure as Filter
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CreateDocumentRequest

The request for Firestore.CreateDocument.

Properties:
Name Type Description
parent string

The parent resource. For example: projects/{project_id}/databases/{database_id}/documents or projects/{project_id}/databases/{database_id}/documents/chatrooms/{chatroom_id}
collectionId string

The collection ID, relative to parent, to list. For example: chatrooms.
documentId string

The client-assigned document ID to use for this document.

Optional. If not specified, an ID will be assigned by the service.
document Object

The document to create. name must not be set.

This object should have the same structure as Document
mask Object

The fields to return. If not set, returns all fields.

If the document has a field that is not present in this mask, that field will not be returned in the response.

This object should have the same structure as DocumentMask
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Cursor

A position in a query result set.

Properties:
Name Type Description
values Array.<Object>

The values that represent a position, in the order they appear in the order by clause of a query.

Can contain fewer values than specified in the order by clause.

This object should have the same structure as Value
before boolean

If the position is just before or just after the given values, relative to the sort order defined by the query.
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DeleteDocumentRequest

The request for Firestore.DeleteDocument.

Properties:
Name Type Description
name string

The resource name of the Document to delete. In the format: projects/{project_id}/databases/{database_id}/documents/{document_path}.
currentDocument Object

An optional precondition on the document. The request will fail if this is set and not met by the target document.

This object should have the same structure as Precondition
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Document

A Firestore document.

Must not exceed 1 MiB - 4 bytes.

Properties:
Name Type Description
name string

The resource name of the document, for example projects/{project_id}/databases/{database_id}/documents/{document_path}.
fields Object.<string, Object>

The document's fields.

The map keys represent field names.

A simple field name contains only characters a to z, A to Z, 0 to 9, or _, and must not start with 0 to 9. For example, foo_bar_17.

Field names matching the regular expression __.*__ are reserved. Reserved field names are forbidden except in certain documented contexts. The map keys, represented as UTF-8, must not exceed 1,500 bytes and cannot be empty.

Field paths may be used in other contexts to refer to structured fields defined here. For map_value, the field path is represented by the simple or quoted field names of the containing fields, delimited by .. For example, the structured field "foo" : { map_value: { "x&y" : { string_value: "hello" }}} would be represented by the field path foo.x&y.

Within a field path, a quoted field name starts and ends with ` and may contain any character. Some characters, including `, must be escaped using a \. For example, `x&y` represents x&y and `bak\`tik` represents bak`tik.
createTime Object

Output only. The time at which the document was created.

This value increases monotonically when a document is deleted then recreated. It can also be compared to values from other documents and the read_time of a query.

This object should have the same structure as Timestamp
updateTime Object

Output only. The time at which the document was last changed.

This value is initially set to the create_time then increases monotonically with each change to the document. It can also be compared to values from other documents and the read_time of a query.

This object should have the same structure as Timestamp
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DocumentChange

A Document has changed.

May be the result of multiple writes, including deletes, that ultimately resulted in a new value for the Document.

Multiple DocumentChange messages may be returned for the same logical change, if multiple targets are affected.

Properties:
Name Type Description
document Object

The new state of the Document.

If mask is set, contains only fields that were updated or added.

This object should have the same structure as Document
targetIds Array.<number>

A set of target IDs of targets that match this document.
removedTargetIds Array.<number>

A set of target IDs for targets that no longer match this document.
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DocumentDelete

A Document has been deleted.

May be the result of multiple writes, including updates, the last of which deleted the Document.

Multiple DocumentDelete messages may be returned for the same logical delete, if multiple targets are affected.

Properties:
Name Type Description
document string

The resource name of the Document that was deleted.
removedTargetIds Array.<number>

A set of target IDs for targets that previously matched this entity.
readTime Object

The read timestamp at which the delete was observed.

Greater or equal to the commit_time of the delete.

This object should have the same structure as Timestamp
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DocumentMask

A set of field paths on a document. Used to restrict a get or update operation on a document to a subset of its fields. This is different from standard field masks, as this is always scoped to a Document, and takes in account the dynamic nature of Value.

Properties:
Name Type Description
fieldPaths Array.<string>

The list of field paths in the mask. See Document.fields for a field path syntax reference.
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DocumentRemove

A Document has been removed from the view of the targets.

Sent if the document is no longer relevant to a target and is out of view. Can be sent instead of a DocumentDelete or a DocumentChange if the server can not send the new value of the document.

Multiple DocumentRemove messages may be returned for the same logical write or delete, if multiple targets are affected.

Properties:
Name Type Description
document string

The resource name of the Document that has gone out of view.
removedTargetIds Array.<number>

A set of target IDs for targets that previously matched this document.
readTime Object

The read timestamp at which the remove was observed.

Greater or equal to the commit_time of the change/delete/remove.

This object should have the same structure as Timestamp
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DocumentsTarget

A target specified by a set of documents names.

Properties:
Name Type Description
documents Array.<string>

The names of the documents to retrieve. In the format: projects/{project_id}/databases/{database_id}/documents/{document_path}. The request will fail if any of the document is not a child resource of the given database. Duplicate names will be elided.
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DocumentTransform

A transformation of a document.

Properties:
Name Type Description
document string

The name of the document to transform.
fieldTransforms Array.<Object>

The list of transformations to apply to the fields of the document, in order. This must not be empty.

This object should have the same structure as FieldTransform
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ExistenceFilter

A digest of all the documents that match a given target.

Properties:
Name Type Description
targetId number

The target ID to which this filter applies.
count number

The total count of documents that match target_id.

If different from the count of documents in the client that match, the client must manually determine which documents no longer match the target.
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FieldFilter

A filter on a specific field.

Properties:
Name Type Description
field Object

The field to filter by.

This object should have the same structure as FieldReference
op number

The operator to filter by.

The number should be among the values of Operator
value Object

The value to compare to.

This object should have the same structure as Value
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FieldReference

A reference to a field, such as max(messages.time) as max_time.

Properties:
Name Type Description
fieldPath string
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FieldTransform

A transformation of a field of the document.

Properties:
Name Type Description
fieldPath string

The path of the field. See Document.fields for the field path syntax reference.
setToServerValue number

Sets the field to the given server value.

The number should be among the values of ServerValue
increment Object

Adds the given value to the field's current value.

This must be an integer or a double value. If the field is not an integer or double, or if the field does not yet exist, the transformation will set the field to the given value. If either of the given value or the current field value are doubles, both values will be interpreted as doubles. Double arithmetic and representation of double values follow IEEE 754 semantics. If there is positive/negative integer overflow, the field is resolved to the largest magnitude positive/negative integer.

This object should have the same structure as Value
maximum Object

Sets the field to the maximum of its current value and the given value.

This must be an integer or a double value. If the field is not an integer or double, or if the field does not yet exist, the transformation will set the field to the given value. If a maximum operation is applied where the field and the input value are of mixed types (that is - one is an integer and one is a double) the field takes on the type of the larger operand. If the operands are equivalent (e.g. 3 and 3.0), the field does not change. 0, 0.0, and -0.0 are all zero. The maximum of a zero stored value and zero input value is always the stored value. The maximum of any numeric value x and NaN is NaN.

This object should have the same structure as Value
minimum Object

Sets the field to the minimum of its current value and the given value.

This must be an integer or a double value. If the field is not an integer or double, or if the field does not yet exist, the transformation will set the field to the input value. If a minimum operation is applied where the field and the input value are of mixed types (that is - one is an integer and one is a double) the field takes on the type of the smaller operand. If the operands are equivalent (e.g. 3 and 3.0), the field does not change. 0, 0.0, and -0.0 are all zero. The minimum of a zero stored value and zero input value is always the stored value. The minimum of any numeric value x and NaN is NaN.

This object should have the same structure as Value
appendMissingElements Object

Append the given elements in order if they are not already present in the current field value. If the field is not an array, or if the field does not yet exist, it is first set to the empty array.

Equivalent numbers of different types (e.g. 3L and 3.0) are considered equal when checking if a value is missing. NaN is equal to NaN, and Null is equal to Null. If the input contains multiple equivalent values, only the first will be considered.

The corresponding transform_result will be the null value.

This object should have the same structure as ArrayValue
removeAllFromArray Object

Remove all of the given elements from the array in the field. If the field is not an array, or if the field does not yet exist, it is set to the empty array.

Equivalent numbers of the different types (e.g. 3L and 3.0) are considered equal when deciding whether an element should be removed. NaN is equal to NaN, and Null is equal to Null. This will remove all equivalent values if there are duplicates.

The corresponding transform_result will be the null value.

This object should have the same structure as ArrayValue
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Filter

A filter.

Properties:
Name Type Description
compositeFilter Object

A composite filter.

This object should have the same structure as CompositeFilter
fieldFilter Object

A filter on a document field.

This object should have the same structure as FieldFilter
unaryFilter Object

A filter that takes exactly one argument.

This object should have the same structure as UnaryFilter
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GetDocumentRequest

The request for Firestore.GetDocument.

Properties:
Name Type Description
name string

The resource name of the Document to get. In the format: projects/{project_id}/databases/{database_id}/documents/{document_path}.
mask Object

The fields to return. If not set, returns all fields.

If the document has a field that is not present in this mask, that field will not be returned in the response.

This object should have the same structure as DocumentMask
transaction Buffer

Reads the document in a transaction.
readTime Object

Reads the version of the document at the given time. This may not be older than 60 seconds.

This object should have the same structure as Timestamp
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ListCollectionIdsRequest

The request for Firestore.ListCollectionIds.

Properties:
Name Type Description
parent string

The parent document. In the format: projects/{project_id}/databases/{database_id}/documents/{document_path}. For example: projects/my-project/databases/my-database/documents/chatrooms/my-chatroom
pageSize number

The maximum number of results to return.
pageToken string

A page token. Must be a value from ListCollectionIdsResponse.
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ListCollectionIdsResponse

The response from Firestore.ListCollectionIds.

Properties:
Name Type Description
collectionIds Array.<string>

The collection ids.
nextPageToken string

A page token that may be used to continue the list.
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ListDocumentsRequest

The request for Firestore.ListDocuments.

Properties:
Name Type Description
parent string

The parent resource name. In the format: projects/{project_id}/databases/{database_id}/documents or projects/{project_id}/databases/{database_id}/documents/{document_path}. For example: projects/my-project/databases/my-database/documents or projects/my-project/databases/my-database/documents/chatrooms/my-chatroom
collectionId string

The collection ID, relative to parent, to list. For example: chatrooms or messages.
pageSize number

The maximum number of documents to return.
pageToken string

The next_page_token value returned from a previous List request, if any.
orderBy string

The order to sort results by. For example: priority desc, name.
mask Object

The fields to return. If not set, returns all fields.

If a document has a field that is not present in this mask, that field will not be returned in the response.

This object should have the same structure as DocumentMask
transaction Buffer

Reads documents in a transaction.
readTime Object

Reads documents as they were at the given time. This may not be older than 60 seconds.

This object should have the same structure as Timestamp
showMissing boolean

If the list should show missing documents. A missing document is a document that does not exist but has sub-documents. These documents will be returned with a key but will not have fields, Document.create_time, or Document.update_time set.

Requests with show_missing may not specify where or order_by.
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ListDocumentsResponse

The response for Firestore.ListDocuments.

Properties:
Name Type Description
documents Array.<Object>

The Documents found.

This object should have the same structure as Document
nextPageToken string

The next page token.
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ListenRequest

A request for Firestore.Listen

Properties:
Name Type Description
database string

The database name. In the format: projects/{project_id}/databases/{database_id}.
addTarget Object

A target to add to this stream.

This object should have the same structure as Target
removeTarget number

The ID of a target to remove from this stream.
labels Object.<string, string>

Labels associated with this target change.
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ListenResponse

The response for Firestore.Listen.

Properties:
Name Type Description
targetChange Object

Targets have changed.

This object should have the same structure as TargetChange
documentChange Object

A Document has changed.

This object should have the same structure as DocumentChange
documentDelete Object

A Document has been deleted.

This object should have the same structure as DocumentDelete
documentRemove Object

A Document has been removed from a target (because it is no longer relevant to that target).

This object should have the same structure as DocumentRemove
filter Object

A filter to apply to the set of documents previously returned for the given target.

Returned when documents may have been removed from the given target, but the exact documents are unknown.

This object should have the same structure as ExistenceFilter
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MapValue

A map value.

Properties:
Name Type Description
fields Object.<string, Object>

The map's fields.

The map keys represent field names. Field names matching the regular expression __.*__ are reserved. Reserved field names are forbidden except in certain documented contexts. The map keys, represented as UTF-8, must not exceed 1,500 bytes and cannot be empty.
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Order

An order on a field.

Properties:
Name Type Description
field Object

The field to order by.

This object should have the same structure as FieldReference
direction number

The direction to order by. Defaults to ASCENDING.

The number should be among the values of Direction
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Precondition

A precondition on a document, used for conditional operations.

Properties:
Name Type Description
exists boolean

When set to true, the target document must exist. When set to false, the target document must not exist.
updateTime Object

When set, the target document must exist and have been last updated at that time.

This object should have the same structure as Timestamp
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Projection

The projection of document's fields to return.

Properties:
Name Type Description
fields Array.<Object>

The fields to return.

If empty, all fields are returned. To only return the name of the document, use ['__name__'].

This object should have the same structure as FieldReference
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QueryTarget

A target specified by a query.

Properties:
Name Type Description
parent string

The parent resource name. In the format: projects/{project_id}/databases/{database_id}/documents or projects/{project_id}/databases/{database_id}/documents/{document_path}. For example: projects/my-project/databases/my-database/documents or projects/my-project/databases/my-database/documents/chatrooms/my-chatroom
structuredQuery Object

A structured query.

This object should have the same structure as StructuredQuery
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ReadOnly

Options for a transaction that can only be used to read documents.

Properties:
Name Type Description
readTime Object

Reads documents at the given time. This may not be older than 60 seconds.

This object should have the same structure as Timestamp
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ReadWrite

Options for a transaction that can be used to read and write documents.

Properties:
Name Type Description
retryTransaction Buffer

An optional transaction to retry.
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RollbackRequest

The request for Firestore.Rollback.

Properties:
Name Type Description
database string

The database name. In the format: projects/{project_id}/databases/{database_id}.
transaction Buffer

The transaction to roll back.
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RunQueryRequest

The request for Firestore.RunQuery.

Properties:
Name Type Description
parent string

The parent resource name. In the format: projects/{project_id}/databases/{database_id}/documents or projects/{project_id}/databases/{database_id}/documents/{document_path}. For example: projects/my-project/databases/my-database/documents or projects/my-project/databases/my-database/documents/chatrooms/my-chatroom
structuredQuery Object

A structured query.

This object should have the same structure as StructuredQuery
transaction Buffer

Reads documents in a transaction.
newTransaction Object

Starts a new transaction and reads the documents. Defaults to a read-only transaction. The new transaction ID will be returned as the first response in the stream.

This object should have the same structure as TransactionOptions
readTime Object

Reads documents as they were at the given time. This may not be older than 60 seconds.

This object should have the same structure as Timestamp
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RunQueryResponse

The response for Firestore.RunQuery.

Properties:
Name Type Description
transaction Buffer

The transaction that was started as part of this request. Can only be set in the first response, and only if RunQueryRequest.new_transaction was set in the request. If set, no other fields will be set in this response.
document Object

A query result. Not set when reporting partial progress.

This object should have the same structure as Document
readTime Object

The time at which the document was read. This may be monotonically increasing; in this case, the previous documents in the result stream are guaranteed not to have changed between their read_time and this one.

If the query returns no results, a response with read_time and no document will be sent, and this represents the time at which the query was run.

This object should have the same structure as Timestamp
skippedResults number

The number of results that have been skipped due to an offset between the last response and the current response.
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StructuredQuery

A Firestore query.

Properties:
Name Type Description
select Object

The projection to return.

This object should have the same structure as Projection
from Array.<Object>

The collections to query.

This object should have the same structure as CollectionSelector
where Object

The filter to apply.

This object should have the same structure as Filter
orderBy Array.<Object>

The order to apply to the query results.

Firestore guarantees a stable ordering through the following rules:

  • Any field required to appear in order_by, that is not already specified in order_by, is appended to the order in field name order by default.
  • If an order on __name__ is not specified, it is appended by default.

Fields are appended with the same sort direction as the last order specified, or 'ASCENDING' if no order was specified. For example:

  • SELECT * FROM Foo ORDER BY A becomes SELECT * FROM Foo ORDER BY A, __name__
  • SELECT * FROM Foo ORDER BY A DESC becomes SELECT * FROM Foo ORDER BY A DESC, __name__ DESC
  • SELECT * FROM Foo WHERE A > 1 becomes SELECT * FROM Foo WHERE A > 1 ORDER BY A, __name__

This object should have the same structure as Order
startAt Object

A starting point for the query results.

This object should have the same structure as Cursor
endAt Object

A end point for the query results.

This object should have the same structure as Cursor
offset number

The number of results to skip.

Applies before limit, but after all other constraints. Must be >= 0 if specified.
limit Object

The maximum number of results to return.

Applies after all other constraints. Must be >= 0 if specified.

This object should have the same structure as Int32Value
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Target

A specification of a set of documents to listen to.

Properties:
Name Type Description
query Object

A target specified by a query.

This object should have the same structure as QueryTarget
documents Object

A target specified by a set of document names.

This object should have the same structure as DocumentsTarget
resumeToken Buffer

A resume token from a prior TargetChange for an identical target.

Using a resume token with a different target is unsupported and may fail.
readTime Object

Start listening after a specific read_time.

The client must know the state of matching documents at this time.

This object should have the same structure as Timestamp
targetId number

The target ID that identifies the target on the stream. Must be a positive number and non-zero.
once boolean

If the target should be removed once it is current and consistent.
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TargetChange

Targets being watched have changed.

Properties:
Name Type Description
targetChangeType number

The type of change that occurred.

The number should be among the values of TargetChangeType
targetIds Array.<number>

The target IDs of targets that have changed.

If empty, the change applies to all targets.

The order of the target IDs is not defined.
cause Object

The error that resulted in this change, if applicable.

This object should have the same structure as Status
resumeToken Buffer

A token that can be used to resume the stream for the given target_ids, or all targets if target_ids is empty.

Not set on every target change.
readTime Object

The consistent read_time for the given target_ids (omitted when the target_ids are not at a consistent snapshot).

The stream is guaranteed to send a read_time with target_ids empty whenever the entire stream reaches a new consistent snapshot. ADD, CURRENT, and RESET messages are guaranteed to (eventually) result in a new consistent snapshot (while NO_CHANGE and REMOVE messages are not).

For a given stream, read_time is guaranteed to be monotonically increasing.

This object should have the same structure as Timestamp
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TransactionOptions

Options for creating a new transaction.

Properties:
Name Type Description
readOnly Object

The transaction can only be used for read operations.

This object should have the same structure as ReadOnly
readWrite Object

The transaction can be used for both read and write operations.

This object should have the same structure as ReadWrite
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UnaryFilter

A filter with a single operand.

Properties:
Name Type Description
op number

The unary operator to apply.

The number should be among the values of Operator
field Object

The field to which to apply the operator.

This object should have the same structure as FieldReference
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UpdateDocumentRequest

The request for Firestore.UpdateDocument.

Properties:
Name Type Description
document Object

The updated document. Creates the document if it does not already exist.

This object should have the same structure as Document
updateMask Object

The fields to update. None of the field paths in the mask may contain a reserved name.

If the document exists on the server and has fields not referenced in the mask, they are left unchanged. Fields referenced in the mask, but not present in the input document, are deleted from the document on the server.

This object should have the same structure as DocumentMask
mask Object

The fields to return. If not set, returns all fields.

If the document has a field that is not present in this mask, that field will not be returned in the response.

This object should have the same structure as DocumentMask
currentDocument Object

An optional precondition on the document. The request will fail if this is set and not met by the target document.

This object should have the same structure as Precondition
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Value

A message that can hold any of the supported value types.

Properties:
Name Type Description
nullValue number

A null value.

The number should be among the values of NullValue
booleanValue boolean

A boolean value.
integerValue number

An integer value.
doubleValue number

A double value.
timestampValue Object

A timestamp value.

Precise only to microseconds. When stored, any additional precision is rounded down.

This object should have the same structure as Timestamp
stringValue string

A string value.

The string, represented as UTF-8, must not exceed 1 MiB - 89 bytes. Only the first 1,500 bytes of the UTF-8 representation are considered by queries.
bytesValue Buffer

A bytes value.

Must not exceed 1 MiB - 89 bytes. Only the first 1,500 bytes are considered by queries.
referenceValue string

A reference to a document. For example: projects/{project_id}/databases/{database_id}/documents/{document_path}.
geoPointValue Object

A geo point value representing a point on the surface of Earth.

This object should have the same structure as LatLng
arrayValue Object

An array value.

Cannot directly contain another array value, though can contain an map which contains another array.

This object should have the same structure as ArrayValue
mapValue Object

A map value.

This object should have the same structure as MapValue
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Write

A write on a document.

Properties:
Name Type Description
update Object

A document to write.

This object should have the same structure as Document
delete string

A document name to delete. In the format: projects/{project_id}/databases/{database_id}/documents/{document_path}.
transform Object

Applies a transformation to a document. At most one transform per document is allowed in a given request. An update cannot follow a transform on the same document in a given request.

This object should have the same structure as DocumentTransform
updateMask Object

The fields to update in this write.

This field can be set only when the operation is update. If the mask is not set for an update and the document exists, any existing data will be overwritten. If the mask is set and the document on the server has fields not covered by the mask, they are left unchanged. Fields referenced in the mask, but not present in the input document, are deleted from the document on the server. The field paths in this mask must not contain a reserved field name.

This object should have the same structure as DocumentMask
currentDocument Object

An optional precondition on the document.

The write will fail if this is set and not met by the target document.

This object should have the same structure as Precondition
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WriteRequest

The request for Firestore.Write.

The first request creates a stream, or resumes an existing one from a token.

When creating a new stream, the server replies with a response containing only an ID and a token, to use in the next request.

When resuming a stream, the server first streams any responses later than the given token, then a response containing only an up-to-date token, to use in the next request.

Properties:
Name Type Description
database string

The database name. In the format: projects/{project_id}/databases/{database_id}. This is only required in the first message.
streamId string

The ID of the write stream to resume. This may only be set in the first message. When left empty, a new write stream will be created.
writes Array.<Object>

The writes to apply.

Always executed atomically and in order. This must be empty on the first request. This may be empty on the last request. This must not be empty on all other requests.

This object should have the same structure as Write
streamToken Buffer

A stream token that was previously sent by the server.

The client should set this field to the token from the most recent WriteResponse it has received. This acknowledges that the client has received responses up to this token. After sending this token, earlier tokens may not be used anymore.

The server may close the stream if there are too many unacknowledged responses.

Leave this field unset when creating a new stream. To resume a stream at a specific point, set this field and the stream_id field.

Leave this field unset when creating a new stream.
labels Object.<string, string>

Labels associated with this write request.
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WriteResponse

The response for Firestore.Write.

Properties:
Name Type Description
streamId string

The ID of the stream. Only set on the first message, when a new stream was created.
streamToken Buffer

A token that represents the position of this response in the stream. This can be used by a client to resume the stream at this point.

This field is always set.
writeResults Array.<Object>

The result of applying the writes.

This i-th write result corresponds to the i-th write in the request.

This object should have the same structure as WriteResult
commitTime Object

The time at which the commit occurred.

This object should have the same structure as Timestamp
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WriteResult

The result of applying a write.

Properties:
Name Type Description
updateTime Object

The last update time of the document after applying the write. Not set after a delete.

If the write did not actually change the document, this will be the previous update_time.

This object should have the same structure as Timestamp
transformResults Array.<Object>

The results of applying each DocumentTransform.FieldTransform, in the same order.

This object should have the same structure as Value
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