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feat: Add Send and Ack mutations for Queues
feat: Add QueryAdvisorResult for query plan docs: Update description for the BatchCreateSessionsRequest and Session docs: Update description for the IsolationLevel PiperOrigin-RevId: 832425466
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‎google/spanner/v1/mutation.proto‎

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@@ -18,6 +18,7 @@ package google.spanner.v1;
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import "google/api/field_behavior.proto";
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import "google/protobuf/struct.proto";
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import "google/protobuf/timestamp.proto";
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import "google/spanner/v1/keys.proto";
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option csharp_namespace = "Google.Cloud.Spanner.V1";
@@ -75,6 +76,40 @@ message Mutation {
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KeySet key_set = 2 [(google.api.field_behavior) = REQUIRED];
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}
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// Arguments to [send][google.spanner.v1.Mutation.send] operations.
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message Send {
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// Required. The queue to which the message will be sent.
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string queue = 1 [(google.api.field_behavior) = REQUIRED];
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// Required. The primary key of the message to be sent.
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google.protobuf.ListValue key = 2 [(google.api.field_behavior) = REQUIRED];
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// The time at which Spanner will begin attempting to deliver the message.
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// If `deliver_time` is not set, Spanner will deliver the message
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// immediately. If `deliver_time` is in the past, Spanner will replace it
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// with a value closer to the current time.
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google.protobuf.Timestamp deliver_time = 3;
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// The payload of the message.
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google.protobuf.Value payload = 4;
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}
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// Arguments to [ack][google.spanner.v1.Mutation.ack] operations.
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message Ack {
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// Required. The queue where the message to be acked is stored.
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string queue = 1 [(google.api.field_behavior) = REQUIRED];
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// Required. The primary key of the message to be acked.
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google.protobuf.ListValue key = 2 [(google.api.field_behavior) = REQUIRED];
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// By default, an attempt to ack a message that does not exist will fail
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// with a `NOT_FOUND` error. With `ignore_not_found` set to true, the ack
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// will succeed even if the message does not exist. This is useful for
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// unconditionally acking a message, even if it is missing or has already
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// been acked.
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bool ignore_not_found = 3;
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}
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// Required. The operation to perform.
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oneof operation {
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// Insert new rows in a table. If any of the rows already exist,
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// Delete rows from a table. Succeeds whether or not the named
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// rows were present.
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Delete delete = 5;
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// Send a message to a queue.
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Send send = 6;
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// Ack a message from a queue.
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Ack ack = 7;
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}
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}

‎google/spanner/v1/query_plan.proto‎

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package google.spanner.v1;
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import "google/api/field_behavior.proto";
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import "google/protobuf/struct.proto";
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option csharp_namespace = "Google.Cloud.Spanner.V1";
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google.protobuf.Struct execution_stats = 7;
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}
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// Output of query advisor analysis.
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message QueryAdvisorResult {
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// Recommendation to add new indexes to run queries more efficiently.
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message IndexAdvice {
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// Optional. DDL statements to add new indexes that will improve the query.
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repeated string ddl = 1 [(google.api.field_behavior) = OPTIONAL];
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// Optional. Estimated latency improvement factor. For example if the query
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// currently takes 500 ms to run and the estimated latency with new indexes
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// is 100 ms this field will be 5.
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double improvement_factor = 2 [(google.api.field_behavior) = OPTIONAL];
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}
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// Optional. Index Recommendation for a query. This is an optional field and
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// the recommendation will only be available when the recommendation
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// guarantees significant improvement in query performance.
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repeated IndexAdvice index_advice = 1
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[(google.api.field_behavior) = OPTIONAL];
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}
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// Contains an ordered list of nodes appearing in the query plan.
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message QueryPlan {
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// The nodes in the query plan. Plan nodes are returned in pre-order starting
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// with the plan root. Each [PlanNode][google.spanner.v1.PlanNode]'s `id`
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// corresponds to its index in `plan_nodes`.
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repeated PlanNode plan_nodes = 1;
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// Optional. The advise/recommendations for a query. Currently this field will
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// be serving index recommendations for a query.
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QueryAdvisorResult query_advice = 2 [(google.api.field_behavior) = OPTIONAL];
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}

‎google/spanner/v1/spanner.proto‎

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@@ -360,10 +360,10 @@ message BatchCreateSessionsRequest {
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// Parameters to apply to each created session.
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Session session_template = 2;
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// Required. The number of sessions to be created in this batch call.
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// The API can return fewer than the requested number of sessions. If a
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// specific number of sessions are desired, the client can make additional
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// calls to `BatchCreateSessions` (adjusting
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// Required. The number of sessions to be created in this batch call. At least
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// one session is created. The API can return fewer than the requested number
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// of sessions. If a specific number of sessions are desired, the client can
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// make additional calls to `BatchCreateSessions` (adjusting
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// [session_count][google.spanner.v1.BatchCreateSessionsRequest.session_count]
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// as necessary).
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int32 session_count = 3 [(google.api.field_behavior) = REQUIRED];
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string creator_role = 5;
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// Optional. If `true`, specifies a multiplexed session. Use a multiplexed
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// session for multiple, concurrent read-only operations. Don't use them for
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// read-write transactions, partitioned reads, or partitioned queries. Use
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// session for multiple, concurrent operations including any combination of
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// read-only and read-write transactions. Use
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// [`sessions.create`][google.spanner.v1.Spanner.CreateSession] to create
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// multiplexed sessions. Don't use
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// [BatchCreateSessions][google.spanner.v1.Spanner.BatchCreateSessions] to

‎google/spanner/v1/transaction.proto‎

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@@ -153,7 +153,9 @@ message TransactionOptions {
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bool return_read_timestamp = 6;
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}
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// `IsolationLevel` is used when setting `isolation_level` for a transaction.
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// `IsolationLevel` is used when setting the [isolation
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// level](https://cloud.google.com/spanner/docs/isolation-levels) for a
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// transaction.
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enum IsolationLevel {
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// Default value.
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//
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// `SERIALIZABLE` transactions, only write-write conflicts are detected in
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// snapshot transactions.
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//
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// This isolation level does not support Read-only and Partitioned DML
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// This isolation level does not support read-only and partitioned DML
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// transactions.
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//
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// When `REPEATABLE_READ` is specified on a read-write transaction, the

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