Struct ReadOptions

pub struct ReadOptions {
    pub new_transaction: Option<TransactionOptions>,
    pub read_consistency: Option<String>,
    pub read_time: Option<DateTime<Utc>>,
    pub transaction: Option<Vec<u8>>,
}

The options shared by read requests.

This type is not used in any activity, and only used as part of another schema.

Fields

new_transaction: Option<TransactionOptions>

Options for beginning a new transaction for this request. The new transaction identifier will be returned in the corresponding response as either LookupResponse.transaction or RunQueryResponse.transaction.

read_consistency: Option<String>

The non-transactional read consistency to use.

read_time: Option<DateTime<Utc>>

Reads entities as they were at the given time. This value is only supported for Cloud Firestore in Datastore mode. 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.

transaction: Option<Vec<u8>>

The identifier of the transaction in which to read. A transaction identifier is returned by a call to Datastore.BeginTransaction.

Trait Implementations

impl Clone for ReadOptions

fn clone(&self) -> ReadOptions

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ReadOptions

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ReadOptions

fn default() -> ReadOptions

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ReadOptions

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ReadOptions

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Part for ReadOptions