TransactionOptions

Options for creating a new transaction.

JSON representation
{ // Union field `mode` can be only one of the following: "readOnly" : { object ( `ReadOnly` ) } , "readWrite" : { object ( `ReadWrite` ) } // End of list of possible types for union field `mode` . }

Fields

Union field mode . The mode of the transaction. mode can be only one of the following:

readOnly

object ( ReadOnly )

The transaction can only be used for read operations.

readWrite

object ( ReadWrite )

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

ReadOnly

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

JSON representation
{ // Union field `consistency_selector` can be only one of the following: "readTime" : string // End of list of possible types for union field `consistency_selector` . }

Fields

Union field consistency_selector . The consistency mode for this transaction. If not set, defaults to strong consistency. consistency_selector can be only one of the following:

readTime

string ( Timestamp format)

Reads documents at the given time.

This must be a microsecond precision timestamp within the past one hour, or if Point-in-Time Recovery is enabled, can additionally be a whole minute timestamp within the past 7 days.

Uses RFC 3339, where generated output will always be Z-normalized and use 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .

ReadWrite

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

Firestore does not allow 3rd party auth requests to create read-write. transactions.

JSON representation
{ "retryTransaction" : string }

Fields

Fields
`retryTransaction`	`string ( bytes format)` An optional transaction to retry. A base64-encoded string.

retryTransaction

string ( bytes format)

An optional transaction to retry.

A base64-encoded string.

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ReadOnly

ReadWrite

TransactionOptions