mirror of
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1101 lines
44 KiB
Go
1101 lines
44 KiB
Go
// Code generated by protoc-gen-go. DO NOT EDIT.
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// source: google/spanner/v1/transaction.proto
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package spanner // import "google.golang.org/genproto/googleapis/spanner/v1"
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import proto "github.com/golang/protobuf/proto"
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import fmt "fmt"
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import math "math"
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import duration "github.com/golang/protobuf/ptypes/duration"
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import timestamp "github.com/golang/protobuf/ptypes/timestamp"
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import _ "google.golang.org/genproto/googleapis/api/annotations"
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// Reference imports to suppress errors if they are not otherwise used.
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var _ = proto.Marshal
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var _ = fmt.Errorf
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var _ = math.Inf
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// This is a compile-time assertion to ensure that this generated file
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// is compatible with the proto package it is being compiled against.
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// A compilation error at this line likely means your copy of the
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// proto package needs to be updated.
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const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
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// # Transactions
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//
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//
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// Each session can have at most one active transaction at a time. After the
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// active transaction is completed, the session can immediately be
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// re-used for the next transaction. It is not necessary to create a
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// new session for each transaction.
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//
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// # Transaction Modes
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//
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// Cloud Spanner supports three transaction modes:
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//
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// 1. Locking read-write. This type of transaction is the only way
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// to write data into Cloud Spanner. These transactions rely on
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// pessimistic locking and, if necessary, two-phase commit.
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// Locking read-write transactions may abort, requiring the
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// application to retry.
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//
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// 2. Snapshot read-only. This transaction type provides guaranteed
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// consistency across several reads, but does not allow
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// writes. Snapshot read-only transactions can be configured to
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// read at timestamps in the past. Snapshot read-only
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// transactions do not need to be committed.
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//
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// 3. Partitioned DML. This type of transaction is used to execute
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// a single Partitioned DML statement. Partitioned DML partitions
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// the key space and runs the DML statement over each partition
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// in parallel using separate, internal transactions that commit
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// independently. Partitioned DML transactions do not need to be
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// committed.
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//
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// For transactions that only read, snapshot read-only transactions
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// provide simpler semantics and are almost always faster. In
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// particular, read-only transactions do not take locks, so they do
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// not conflict with read-write transactions. As a consequence of not
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// taking locks, they also do not abort, so retry loops are not needed.
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//
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// Transactions may only read/write data in a single database. They
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// may, however, read/write data in different tables within that
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// database.
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//
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// ## Locking Read-Write Transactions
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//
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// Locking transactions may be used to atomically read-modify-write
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// data anywhere in a database. This type of transaction is externally
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// consistent.
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//
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// Clients should attempt to minimize the amount of time a transaction
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// is active. Faster transactions commit with higher probability
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// and cause less contention. Cloud Spanner attempts to keep read locks
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// active as long as the transaction continues to do reads, and the
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// transaction has not been terminated by
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// [Commit][google.spanner.v1.Spanner.Commit] or
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// [Rollback][google.spanner.v1.Spanner.Rollback]. Long periods of
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// inactivity at the client may cause Cloud Spanner to release a
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// transaction's locks and abort it.
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//
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// Conceptually, a read-write transaction consists of zero or more
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// reads or SQL statements followed by
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// [Commit][google.spanner.v1.Spanner.Commit]. At any time before
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// [Commit][google.spanner.v1.Spanner.Commit], the client can send a
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// [Rollback][google.spanner.v1.Spanner.Rollback] request to abort the
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// transaction.
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//
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// ### Semantics
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//
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// Cloud Spanner can commit the transaction if all read locks it acquired
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// are still valid at commit time, and it is able to acquire write
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// locks for all writes. Cloud Spanner can abort the transaction for any
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// reason. If a commit attempt returns `ABORTED`, Cloud Spanner guarantees
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// that the transaction has not modified any user data in Cloud Spanner.
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//
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// Unless the transaction commits, Cloud Spanner makes no guarantees about
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// how long the transaction's locks were held for. It is an error to
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// use Cloud Spanner locks for any sort of mutual exclusion other than
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// between Cloud Spanner transactions themselves.
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//
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// ### Retrying Aborted Transactions
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//
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// When a transaction aborts, the application can choose to retry the
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// whole transaction again. To maximize the chances of successfully
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// committing the retry, the client should execute the retry in the
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// same session as the original attempt. The original session's lock
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// priority increases with each consecutive abort, meaning that each
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// attempt has a slightly better chance of success than the previous.
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//
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// Under some circumstances (e.g., many transactions attempting to
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// modify the same row(s)), a transaction can abort many times in a
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// short period before successfully committing. Thus, it is not a good
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// idea to cap the number of retries a transaction can attempt;
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// instead, it is better to limit the total amount of wall time spent
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// retrying.
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//
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// ### Idle Transactions
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//
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// A transaction is considered idle if it has no outstanding reads or
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// SQL queries and has not started a read or SQL query within the last 10
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// seconds. Idle transactions can be aborted by Cloud Spanner so that they
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// don't hold on to locks indefinitely. In that case, the commit will
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// fail with error `ABORTED`.
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//
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// If this behavior is undesirable, periodically executing a simple
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// SQL query in the transaction (e.g., `SELECT 1`) prevents the
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// transaction from becoming idle.
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//
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// ## Snapshot Read-Only Transactions
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//
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// Snapshot read-only transactions provides a simpler method than
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// locking read-write transactions for doing several consistent
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// reads. However, this type of transaction does not support writes.
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//
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// Snapshot transactions do not take locks. Instead, they work by
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// choosing a Cloud Spanner timestamp, then executing all reads at that
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// timestamp. Since they do not acquire locks, they do not block
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// concurrent read-write transactions.
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//
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// Unlike locking read-write transactions, snapshot read-only
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// transactions never abort. They can fail if the chosen read
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// timestamp is garbage collected; however, the default garbage
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// collection policy is generous enough that most applications do not
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// need to worry about this in practice.
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//
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// Snapshot read-only transactions do not need to call
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// [Commit][google.spanner.v1.Spanner.Commit] or
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// [Rollback][google.spanner.v1.Spanner.Rollback] (and in fact are not
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// permitted to do so).
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//
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// To execute a snapshot transaction, the client specifies a timestamp
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// bound, which tells Cloud Spanner how to choose a read timestamp.
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//
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// The types of timestamp bound are:
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//
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// - Strong (the default).
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// - Bounded staleness.
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// - Exact staleness.
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//
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// If the Cloud Spanner database to be read is geographically distributed,
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// stale read-only transactions can execute more quickly than strong
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// or read-write transaction, because they are able to execute far
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// from the leader replica.
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//
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// Each type of timestamp bound is discussed in detail below.
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//
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// ### Strong
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//
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// Strong reads are guaranteed to see the effects of all transactions
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// that have committed before the start of the read. Furthermore, all
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// rows yielded by a single read are consistent with each other -- if
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// any part of the read observes a transaction, all parts of the read
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// see the transaction.
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//
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// Strong reads are not repeatable: two consecutive strong read-only
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// transactions might return inconsistent results if there are
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// concurrent writes. If consistency across reads is required, the
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// reads should be executed within a transaction or at an exact read
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// timestamp.
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//
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// See
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// [TransactionOptions.ReadOnly.strong][google.spanner.v1.TransactionOptions.ReadOnly.strong].
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//
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// ### Exact Staleness
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//
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// These timestamp bounds execute reads at a user-specified
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// timestamp. Reads at a timestamp are guaranteed to see a consistent
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// prefix of the global transaction history: they observe
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// modifications done by all transactions with a commit timestamp <=
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// the read timestamp, and observe none of the modifications done by
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// transactions with a larger commit timestamp. They will block until
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// all conflicting transactions that may be assigned commit timestamps
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// <= the read timestamp have finished.
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//
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// The timestamp can either be expressed as an absolute Cloud Spanner commit
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// timestamp or a staleness relative to the current time.
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//
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// These modes do not require a "negotiation phase" to pick a
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// timestamp. As a result, they execute slightly faster than the
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// equivalent boundedly stale concurrency modes. On the other hand,
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// boundedly stale reads usually return fresher results.
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//
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// See
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// [TransactionOptions.ReadOnly.read_timestamp][google.spanner.v1.TransactionOptions.ReadOnly.read_timestamp]
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// and
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// [TransactionOptions.ReadOnly.exact_staleness][google.spanner.v1.TransactionOptions.ReadOnly.exact_staleness].
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//
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// ### Bounded Staleness
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//
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// Bounded staleness modes allow Cloud Spanner to pick the read timestamp,
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// subject to a user-provided staleness bound. Cloud Spanner chooses the
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// newest timestamp within the staleness bound that allows execution
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// of the reads at the closest available replica without blocking.
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//
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// All rows yielded are consistent with each other -- if any part of
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// the read observes a transaction, all parts of the read see the
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// transaction. Boundedly stale reads are not repeatable: two stale
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// reads, even if they use the same staleness bound, can execute at
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// different timestamps and thus return inconsistent results.
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//
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// Boundedly stale reads execute in two phases: the first phase
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// negotiates a timestamp among all replicas needed to serve the
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// read. In the second phase, reads are executed at the negotiated
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// timestamp.
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//
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// As a result of the two phase execution, bounded staleness reads are
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// usually a little slower than comparable exact staleness
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// reads. However, they are typically able to return fresher
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// results, and are more likely to execute at the closest replica.
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//
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// Because the timestamp negotiation requires up-front knowledge of
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// which rows will be read, it can only be used with single-use
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// read-only transactions.
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//
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// See
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// [TransactionOptions.ReadOnly.max_staleness][google.spanner.v1.TransactionOptions.ReadOnly.max_staleness]
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// and
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// [TransactionOptions.ReadOnly.min_read_timestamp][google.spanner.v1.TransactionOptions.ReadOnly.min_read_timestamp].
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//
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// ### Old Read Timestamps and Garbage Collection
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//
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// Cloud Spanner continuously garbage collects deleted and overwritten data
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// in the background to reclaim storage space. This process is known
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// as "version GC". By default, version GC reclaims versions after they
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// are one hour old. Because of this, Cloud Spanner cannot perform reads
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// at read timestamps more than one hour in the past. This
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// restriction also applies to in-progress reads and/or SQL queries whose
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// timestamp become too old while executing. Reads and SQL queries with
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// too-old read timestamps fail with the error `FAILED_PRECONDITION`.
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//
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// ## Partitioned DML Transactions
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//
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// Partitioned DML transactions are used to execute DML statements with a
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// different execution strategy that provides different, and often better,
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// scalability properties for large, table-wide operations than DML in a
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// ReadWrite transaction. Smaller scoped statements, such as an OLTP workload,
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// should prefer using ReadWrite transactions.
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//
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// Partitioned DML partitions the keyspace and runs the DML statement on each
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// partition in separate, internal transactions. These transactions commit
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// automatically when complete, and run independently from one another.
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//
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// To reduce lock contention, this execution strategy only acquires read locks
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// on rows that match the WHERE clause of the statement. Additionally, the
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// smaller per-partition transactions hold locks for less time.
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//
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// That said, Partitioned DML is not a drop-in replacement for standard DML used
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// in ReadWrite transactions.
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//
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// - The DML statement must be fully-partitionable. Specifically, the statement
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// must be expressible as the union of many statements which each access only
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// a single row of the table.
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//
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// - The statement is not applied atomically to all rows of the table. Rather,
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// the statement is applied atomically to partitions of the table, in
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// independent transactions. Secondary index rows are updated atomically
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// with the base table rows.
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//
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// - Partitioned DML does not guarantee exactly-once execution semantics
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// against a partition. The statement will be applied at least once to each
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// partition. It is strongly recommended that the DML statement should be
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// idempotent to avoid unexpected results. For instance, it is potentially
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// dangerous to run a statement such as
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// `UPDATE table SET column = column + 1` as it could be run multiple times
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// against some rows.
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//
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// - The partitions are committed automatically - there is no support for
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// Commit or Rollback. If the call returns an error, or if the client issuing
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// the ExecuteSql call dies, it is possible that some rows had the statement
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// executed on them successfully. It is also possible that statement was
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// never executed against other rows.
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//
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// - Partitioned DML transactions may only contain the execution of a single
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// DML statement via ExecuteSql or ExecuteStreamingSql.
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//
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// - If any error is encountered during the execution of the partitioned DML
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// operation (for instance, a UNIQUE INDEX violation, division by zero, or a
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// value that cannot be stored due to schema constraints), then the
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// operation is stopped at that point and an error is returned. It is
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// possible that at this point, some partitions have been committed (or even
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// committed multiple times), and other partitions have not been run at all.
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//
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// Given the above, Partitioned DML is good fit for large, database-wide,
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// operations that are idempotent, such as deleting old rows from a very large
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// table.
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type TransactionOptions struct {
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// Required. The type of transaction.
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//
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// Types that are valid to be assigned to Mode:
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// *TransactionOptions_ReadWrite_
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// *TransactionOptions_PartitionedDml_
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// *TransactionOptions_ReadOnly_
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Mode isTransactionOptions_Mode `protobuf_oneof:"mode"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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XXX_sizecache int32 `json:"-"`
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}
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func (m *TransactionOptions) Reset() { *m = TransactionOptions{} }
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func (m *TransactionOptions) String() string { return proto.CompactTextString(m) }
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func (*TransactionOptions) ProtoMessage() {}
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func (*TransactionOptions) Descriptor() ([]byte, []int) {
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return fileDescriptor_transaction_4419efde92dad332, []int{0}
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}
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func (m *TransactionOptions) XXX_Unmarshal(b []byte) error {
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return xxx_messageInfo_TransactionOptions.Unmarshal(m, b)
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}
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func (m *TransactionOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
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return xxx_messageInfo_TransactionOptions.Marshal(b, m, deterministic)
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}
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func (dst *TransactionOptions) XXX_Merge(src proto.Message) {
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xxx_messageInfo_TransactionOptions.Merge(dst, src)
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}
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func (m *TransactionOptions) XXX_Size() int {
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return xxx_messageInfo_TransactionOptions.Size(m)
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}
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func (m *TransactionOptions) XXX_DiscardUnknown() {
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xxx_messageInfo_TransactionOptions.DiscardUnknown(m)
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}
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var xxx_messageInfo_TransactionOptions proto.InternalMessageInfo
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type isTransactionOptions_Mode interface {
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isTransactionOptions_Mode()
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}
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type TransactionOptions_ReadWrite_ struct {
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ReadWrite *TransactionOptions_ReadWrite `protobuf:"bytes,1,opt,name=read_write,json=readWrite,proto3,oneof"`
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}
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type TransactionOptions_PartitionedDml_ struct {
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PartitionedDml *TransactionOptions_PartitionedDml `protobuf:"bytes,3,opt,name=partitioned_dml,json=partitionedDml,proto3,oneof"`
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}
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type TransactionOptions_ReadOnly_ struct {
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ReadOnly *TransactionOptions_ReadOnly `protobuf:"bytes,2,opt,name=read_only,json=readOnly,proto3,oneof"`
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}
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func (*TransactionOptions_ReadWrite_) isTransactionOptions_Mode() {}
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func (*TransactionOptions_PartitionedDml_) isTransactionOptions_Mode() {}
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func (*TransactionOptions_ReadOnly_) isTransactionOptions_Mode() {}
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func (m *TransactionOptions) GetMode() isTransactionOptions_Mode {
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if m != nil {
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return m.Mode
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}
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return nil
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}
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func (m *TransactionOptions) GetReadWrite() *TransactionOptions_ReadWrite {
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if x, ok := m.GetMode().(*TransactionOptions_ReadWrite_); ok {
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return x.ReadWrite
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}
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return nil
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}
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func (m *TransactionOptions) GetPartitionedDml() *TransactionOptions_PartitionedDml {
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if x, ok := m.GetMode().(*TransactionOptions_PartitionedDml_); ok {
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return x.PartitionedDml
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}
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return nil
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}
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func (m *TransactionOptions) GetReadOnly() *TransactionOptions_ReadOnly {
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if x, ok := m.GetMode().(*TransactionOptions_ReadOnly_); ok {
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return x.ReadOnly
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}
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return nil
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}
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// XXX_OneofFuncs is for the internal use of the proto package.
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func (*TransactionOptions) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
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return _TransactionOptions_OneofMarshaler, _TransactionOptions_OneofUnmarshaler, _TransactionOptions_OneofSizer, []interface{}{
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(*TransactionOptions_ReadWrite_)(nil),
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(*TransactionOptions_PartitionedDml_)(nil),
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(*TransactionOptions_ReadOnly_)(nil),
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}
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}
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func _TransactionOptions_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
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m := msg.(*TransactionOptions)
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// mode
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switch x := m.Mode.(type) {
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case *TransactionOptions_ReadWrite_:
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b.EncodeVarint(1<<3 | proto.WireBytes)
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if err := b.EncodeMessage(x.ReadWrite); err != nil {
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return err
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}
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case *TransactionOptions_PartitionedDml_:
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b.EncodeVarint(3<<3 | proto.WireBytes)
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if err := b.EncodeMessage(x.PartitionedDml); err != nil {
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return err
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}
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case *TransactionOptions_ReadOnly_:
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b.EncodeVarint(2<<3 | proto.WireBytes)
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if err := b.EncodeMessage(x.ReadOnly); err != nil {
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return err
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}
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case nil:
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default:
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return fmt.Errorf("TransactionOptions.Mode has unexpected type %T", x)
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}
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return nil
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}
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func _TransactionOptions_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
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m := msg.(*TransactionOptions)
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switch tag {
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case 1: // mode.read_write
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if wire != proto.WireBytes {
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return true, proto.ErrInternalBadWireType
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}
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msg := new(TransactionOptions_ReadWrite)
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err := b.DecodeMessage(msg)
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m.Mode = &TransactionOptions_ReadWrite_{msg}
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return true, err
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case 3: // mode.partitioned_dml
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if wire != proto.WireBytes {
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return true, proto.ErrInternalBadWireType
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}
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msg := new(TransactionOptions_PartitionedDml)
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err := b.DecodeMessage(msg)
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m.Mode = &TransactionOptions_PartitionedDml_{msg}
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return true, err
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case 2: // mode.read_only
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if wire != proto.WireBytes {
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return true, proto.ErrInternalBadWireType
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}
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msg := new(TransactionOptions_ReadOnly)
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err := b.DecodeMessage(msg)
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m.Mode = &TransactionOptions_ReadOnly_{msg}
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return true, err
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default:
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return false, nil
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}
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}
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func _TransactionOptions_OneofSizer(msg proto.Message) (n int) {
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m := msg.(*TransactionOptions)
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// mode
|
|
switch x := m.Mode.(type) {
|
|
case *TransactionOptions_ReadWrite_:
|
|
s := proto.Size(x.ReadWrite)
|
|
n += 1 // tag and wire
|
|
n += proto.SizeVarint(uint64(s))
|
|
n += s
|
|
case *TransactionOptions_PartitionedDml_:
|
|
s := proto.Size(x.PartitionedDml)
|
|
n += 1 // tag and wire
|
|
n += proto.SizeVarint(uint64(s))
|
|
n += s
|
|
case *TransactionOptions_ReadOnly_:
|
|
s := proto.Size(x.ReadOnly)
|
|
n += 1 // tag and wire
|
|
n += proto.SizeVarint(uint64(s))
|
|
n += s
|
|
case nil:
|
|
default:
|
|
panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
|
|
}
|
|
return n
|
|
}
|
|
|
|
// Message type to initiate a read-write transaction. Currently this
|
|
// transaction type has no options.
|
|
type TransactionOptions_ReadWrite struct {
|
|
XXX_NoUnkeyedLiteral struct{} `json:"-"`
|
|
XXX_unrecognized []byte `json:"-"`
|
|
XXX_sizecache int32 `json:"-"`
|
|
}
|
|
|
|
func (m *TransactionOptions_ReadWrite) Reset() { *m = TransactionOptions_ReadWrite{} }
|
|
func (m *TransactionOptions_ReadWrite) String() string { return proto.CompactTextString(m) }
|
|
func (*TransactionOptions_ReadWrite) ProtoMessage() {}
|
|
func (*TransactionOptions_ReadWrite) Descriptor() ([]byte, []int) {
|
|
return fileDescriptor_transaction_4419efde92dad332, []int{0, 0}
|
|
}
|
|
func (m *TransactionOptions_ReadWrite) XXX_Unmarshal(b []byte) error {
|
|
return xxx_messageInfo_TransactionOptions_ReadWrite.Unmarshal(m, b)
|
|
}
|
|
func (m *TransactionOptions_ReadWrite) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
|
|
return xxx_messageInfo_TransactionOptions_ReadWrite.Marshal(b, m, deterministic)
|
|
}
|
|
func (dst *TransactionOptions_ReadWrite) XXX_Merge(src proto.Message) {
|
|
xxx_messageInfo_TransactionOptions_ReadWrite.Merge(dst, src)
|
|
}
|
|
func (m *TransactionOptions_ReadWrite) XXX_Size() int {
|
|
return xxx_messageInfo_TransactionOptions_ReadWrite.Size(m)
|
|
}
|
|
func (m *TransactionOptions_ReadWrite) XXX_DiscardUnknown() {
|
|
xxx_messageInfo_TransactionOptions_ReadWrite.DiscardUnknown(m)
|
|
}
|
|
|
|
var xxx_messageInfo_TransactionOptions_ReadWrite proto.InternalMessageInfo
|
|
|
|
// Message type to initiate a Partitioned DML transaction.
|
|
type TransactionOptions_PartitionedDml struct {
|
|
XXX_NoUnkeyedLiteral struct{} `json:"-"`
|
|
XXX_unrecognized []byte `json:"-"`
|
|
XXX_sizecache int32 `json:"-"`
|
|
}
|
|
|
|
func (m *TransactionOptions_PartitionedDml) Reset() { *m = TransactionOptions_PartitionedDml{} }
|
|
func (m *TransactionOptions_PartitionedDml) String() string { return proto.CompactTextString(m) }
|
|
func (*TransactionOptions_PartitionedDml) ProtoMessage() {}
|
|
func (*TransactionOptions_PartitionedDml) Descriptor() ([]byte, []int) {
|
|
return fileDescriptor_transaction_4419efde92dad332, []int{0, 1}
|
|
}
|
|
func (m *TransactionOptions_PartitionedDml) XXX_Unmarshal(b []byte) error {
|
|
return xxx_messageInfo_TransactionOptions_PartitionedDml.Unmarshal(m, b)
|
|
}
|
|
func (m *TransactionOptions_PartitionedDml) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
|
|
return xxx_messageInfo_TransactionOptions_PartitionedDml.Marshal(b, m, deterministic)
|
|
}
|
|
func (dst *TransactionOptions_PartitionedDml) XXX_Merge(src proto.Message) {
|
|
xxx_messageInfo_TransactionOptions_PartitionedDml.Merge(dst, src)
|
|
}
|
|
func (m *TransactionOptions_PartitionedDml) XXX_Size() int {
|
|
return xxx_messageInfo_TransactionOptions_PartitionedDml.Size(m)
|
|
}
|
|
func (m *TransactionOptions_PartitionedDml) XXX_DiscardUnknown() {
|
|
xxx_messageInfo_TransactionOptions_PartitionedDml.DiscardUnknown(m)
|
|
}
|
|
|
|
var xxx_messageInfo_TransactionOptions_PartitionedDml proto.InternalMessageInfo
|
|
|
|
// Message type to initiate a read-only transaction.
|
|
type TransactionOptions_ReadOnly struct {
|
|
// How to choose the timestamp for the read-only transaction.
|
|
//
|
|
// Types that are valid to be assigned to TimestampBound:
|
|
// *TransactionOptions_ReadOnly_Strong
|
|
// *TransactionOptions_ReadOnly_MinReadTimestamp
|
|
// *TransactionOptions_ReadOnly_MaxStaleness
|
|
// *TransactionOptions_ReadOnly_ReadTimestamp
|
|
// *TransactionOptions_ReadOnly_ExactStaleness
|
|
TimestampBound isTransactionOptions_ReadOnly_TimestampBound `protobuf_oneof:"timestamp_bound"`
|
|
// If true, the Cloud Spanner-selected read timestamp is included in
|
|
// the [Transaction][google.spanner.v1.Transaction] message that describes
|
|
// the transaction.
|
|
ReturnReadTimestamp bool `protobuf:"varint,6,opt,name=return_read_timestamp,json=returnReadTimestamp,proto3" json:"return_read_timestamp,omitempty"`
|
|
XXX_NoUnkeyedLiteral struct{} `json:"-"`
|
|
XXX_unrecognized []byte `json:"-"`
|
|
XXX_sizecache int32 `json:"-"`
|
|
}
|
|
|
|
func (m *TransactionOptions_ReadOnly) Reset() { *m = TransactionOptions_ReadOnly{} }
|
|
func (m *TransactionOptions_ReadOnly) String() string { return proto.CompactTextString(m) }
|
|
func (*TransactionOptions_ReadOnly) ProtoMessage() {}
|
|
func (*TransactionOptions_ReadOnly) Descriptor() ([]byte, []int) {
|
|
return fileDescriptor_transaction_4419efde92dad332, []int{0, 2}
|
|
}
|
|
func (m *TransactionOptions_ReadOnly) XXX_Unmarshal(b []byte) error {
|
|
return xxx_messageInfo_TransactionOptions_ReadOnly.Unmarshal(m, b)
|
|
}
|
|
func (m *TransactionOptions_ReadOnly) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
|
|
return xxx_messageInfo_TransactionOptions_ReadOnly.Marshal(b, m, deterministic)
|
|
}
|
|
func (dst *TransactionOptions_ReadOnly) XXX_Merge(src proto.Message) {
|
|
xxx_messageInfo_TransactionOptions_ReadOnly.Merge(dst, src)
|
|
}
|
|
func (m *TransactionOptions_ReadOnly) XXX_Size() int {
|
|
return xxx_messageInfo_TransactionOptions_ReadOnly.Size(m)
|
|
}
|
|
func (m *TransactionOptions_ReadOnly) XXX_DiscardUnknown() {
|
|
xxx_messageInfo_TransactionOptions_ReadOnly.DiscardUnknown(m)
|
|
}
|
|
|
|
var xxx_messageInfo_TransactionOptions_ReadOnly proto.InternalMessageInfo
|
|
|
|
type isTransactionOptions_ReadOnly_TimestampBound interface {
|
|
isTransactionOptions_ReadOnly_TimestampBound()
|
|
}
|
|
|
|
type TransactionOptions_ReadOnly_Strong struct {
|
|
Strong bool `protobuf:"varint,1,opt,name=strong,proto3,oneof"`
|
|
}
|
|
|
|
type TransactionOptions_ReadOnly_MinReadTimestamp struct {
|
|
MinReadTimestamp *timestamp.Timestamp `protobuf:"bytes,2,opt,name=min_read_timestamp,json=minReadTimestamp,proto3,oneof"`
|
|
}
|
|
|
|
type TransactionOptions_ReadOnly_MaxStaleness struct {
|
|
MaxStaleness *duration.Duration `protobuf:"bytes,3,opt,name=max_staleness,json=maxStaleness,proto3,oneof"`
|
|
}
|
|
|
|
type TransactionOptions_ReadOnly_ReadTimestamp struct {
|
|
ReadTimestamp *timestamp.Timestamp `protobuf:"bytes,4,opt,name=read_timestamp,json=readTimestamp,proto3,oneof"`
|
|
}
|
|
|
|
type TransactionOptions_ReadOnly_ExactStaleness struct {
|
|
ExactStaleness *duration.Duration `protobuf:"bytes,5,opt,name=exact_staleness,json=exactStaleness,proto3,oneof"`
|
|
}
|
|
|
|
func (*TransactionOptions_ReadOnly_Strong) isTransactionOptions_ReadOnly_TimestampBound() {}
|
|
|
|
func (*TransactionOptions_ReadOnly_MinReadTimestamp) isTransactionOptions_ReadOnly_TimestampBound() {}
|
|
|
|
func (*TransactionOptions_ReadOnly_MaxStaleness) isTransactionOptions_ReadOnly_TimestampBound() {}
|
|
|
|
func (*TransactionOptions_ReadOnly_ReadTimestamp) isTransactionOptions_ReadOnly_TimestampBound() {}
|
|
|
|
func (*TransactionOptions_ReadOnly_ExactStaleness) isTransactionOptions_ReadOnly_TimestampBound() {}
|
|
|
|
func (m *TransactionOptions_ReadOnly) GetTimestampBound() isTransactionOptions_ReadOnly_TimestampBound {
|
|
if m != nil {
|
|
return m.TimestampBound
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (m *TransactionOptions_ReadOnly) GetStrong() bool {
|
|
if x, ok := m.GetTimestampBound().(*TransactionOptions_ReadOnly_Strong); ok {
|
|
return x.Strong
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (m *TransactionOptions_ReadOnly) GetMinReadTimestamp() *timestamp.Timestamp {
|
|
if x, ok := m.GetTimestampBound().(*TransactionOptions_ReadOnly_MinReadTimestamp); ok {
|
|
return x.MinReadTimestamp
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (m *TransactionOptions_ReadOnly) GetMaxStaleness() *duration.Duration {
|
|
if x, ok := m.GetTimestampBound().(*TransactionOptions_ReadOnly_MaxStaleness); ok {
|
|
return x.MaxStaleness
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (m *TransactionOptions_ReadOnly) GetReadTimestamp() *timestamp.Timestamp {
|
|
if x, ok := m.GetTimestampBound().(*TransactionOptions_ReadOnly_ReadTimestamp); ok {
|
|
return x.ReadTimestamp
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (m *TransactionOptions_ReadOnly) GetExactStaleness() *duration.Duration {
|
|
if x, ok := m.GetTimestampBound().(*TransactionOptions_ReadOnly_ExactStaleness); ok {
|
|
return x.ExactStaleness
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (m *TransactionOptions_ReadOnly) GetReturnReadTimestamp() bool {
|
|
if m != nil {
|
|
return m.ReturnReadTimestamp
|
|
}
|
|
return false
|
|
}
|
|
|
|
// XXX_OneofFuncs is for the internal use of the proto package.
|
|
func (*TransactionOptions_ReadOnly) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
|
|
return _TransactionOptions_ReadOnly_OneofMarshaler, _TransactionOptions_ReadOnly_OneofUnmarshaler, _TransactionOptions_ReadOnly_OneofSizer, []interface{}{
|
|
(*TransactionOptions_ReadOnly_Strong)(nil),
|
|
(*TransactionOptions_ReadOnly_MinReadTimestamp)(nil),
|
|
(*TransactionOptions_ReadOnly_MaxStaleness)(nil),
|
|
(*TransactionOptions_ReadOnly_ReadTimestamp)(nil),
|
|
(*TransactionOptions_ReadOnly_ExactStaleness)(nil),
|
|
}
|
|
}
|
|
|
|
func _TransactionOptions_ReadOnly_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
|
|
m := msg.(*TransactionOptions_ReadOnly)
|
|
// timestamp_bound
|
|
switch x := m.TimestampBound.(type) {
|
|
case *TransactionOptions_ReadOnly_Strong:
|
|
t := uint64(0)
|
|
if x.Strong {
|
|
t = 1
|
|
}
|
|
b.EncodeVarint(1<<3 | proto.WireVarint)
|
|
b.EncodeVarint(t)
|
|
case *TransactionOptions_ReadOnly_MinReadTimestamp:
|
|
b.EncodeVarint(2<<3 | proto.WireBytes)
|
|
if err := b.EncodeMessage(x.MinReadTimestamp); err != nil {
|
|
return err
|
|
}
|
|
case *TransactionOptions_ReadOnly_MaxStaleness:
|
|
b.EncodeVarint(3<<3 | proto.WireBytes)
|
|
if err := b.EncodeMessage(x.MaxStaleness); err != nil {
|
|
return err
|
|
}
|
|
case *TransactionOptions_ReadOnly_ReadTimestamp:
|
|
b.EncodeVarint(4<<3 | proto.WireBytes)
|
|
if err := b.EncodeMessage(x.ReadTimestamp); err != nil {
|
|
return err
|
|
}
|
|
case *TransactionOptions_ReadOnly_ExactStaleness:
|
|
b.EncodeVarint(5<<3 | proto.WireBytes)
|
|
if err := b.EncodeMessage(x.ExactStaleness); err != nil {
|
|
return err
|
|
}
|
|
case nil:
|
|
default:
|
|
return fmt.Errorf("TransactionOptions_ReadOnly.TimestampBound has unexpected type %T", x)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func _TransactionOptions_ReadOnly_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
|
|
m := msg.(*TransactionOptions_ReadOnly)
|
|
switch tag {
|
|
case 1: // timestamp_bound.strong
|
|
if wire != proto.WireVarint {
|
|
return true, proto.ErrInternalBadWireType
|
|
}
|
|
x, err := b.DecodeVarint()
|
|
m.TimestampBound = &TransactionOptions_ReadOnly_Strong{x != 0}
|
|
return true, err
|
|
case 2: // timestamp_bound.min_read_timestamp
|
|
if wire != proto.WireBytes {
|
|
return true, proto.ErrInternalBadWireType
|
|
}
|
|
msg := new(timestamp.Timestamp)
|
|
err := b.DecodeMessage(msg)
|
|
m.TimestampBound = &TransactionOptions_ReadOnly_MinReadTimestamp{msg}
|
|
return true, err
|
|
case 3: // timestamp_bound.max_staleness
|
|
if wire != proto.WireBytes {
|
|
return true, proto.ErrInternalBadWireType
|
|
}
|
|
msg := new(duration.Duration)
|
|
err := b.DecodeMessage(msg)
|
|
m.TimestampBound = &TransactionOptions_ReadOnly_MaxStaleness{msg}
|
|
return true, err
|
|
case 4: // timestamp_bound.read_timestamp
|
|
if wire != proto.WireBytes {
|
|
return true, proto.ErrInternalBadWireType
|
|
}
|
|
msg := new(timestamp.Timestamp)
|
|
err := b.DecodeMessage(msg)
|
|
m.TimestampBound = &TransactionOptions_ReadOnly_ReadTimestamp{msg}
|
|
return true, err
|
|
case 5: // timestamp_bound.exact_staleness
|
|
if wire != proto.WireBytes {
|
|
return true, proto.ErrInternalBadWireType
|
|
}
|
|
msg := new(duration.Duration)
|
|
err := b.DecodeMessage(msg)
|
|
m.TimestampBound = &TransactionOptions_ReadOnly_ExactStaleness{msg}
|
|
return true, err
|
|
default:
|
|
return false, nil
|
|
}
|
|
}
|
|
|
|
func _TransactionOptions_ReadOnly_OneofSizer(msg proto.Message) (n int) {
|
|
m := msg.(*TransactionOptions_ReadOnly)
|
|
// timestamp_bound
|
|
switch x := m.TimestampBound.(type) {
|
|
case *TransactionOptions_ReadOnly_Strong:
|
|
n += 1 // tag and wire
|
|
n += 1
|
|
case *TransactionOptions_ReadOnly_MinReadTimestamp:
|
|
s := proto.Size(x.MinReadTimestamp)
|
|
n += 1 // tag and wire
|
|
n += proto.SizeVarint(uint64(s))
|
|
n += s
|
|
case *TransactionOptions_ReadOnly_MaxStaleness:
|
|
s := proto.Size(x.MaxStaleness)
|
|
n += 1 // tag and wire
|
|
n += proto.SizeVarint(uint64(s))
|
|
n += s
|
|
case *TransactionOptions_ReadOnly_ReadTimestamp:
|
|
s := proto.Size(x.ReadTimestamp)
|
|
n += 1 // tag and wire
|
|
n += proto.SizeVarint(uint64(s))
|
|
n += s
|
|
case *TransactionOptions_ReadOnly_ExactStaleness:
|
|
s := proto.Size(x.ExactStaleness)
|
|
n += 1 // tag and wire
|
|
n += proto.SizeVarint(uint64(s))
|
|
n += s
|
|
case nil:
|
|
default:
|
|
panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
|
|
}
|
|
return n
|
|
}
|
|
|
|
// A transaction.
|
|
type Transaction struct {
|
|
// `id` may be used to identify the transaction in subsequent
|
|
// [Read][google.spanner.v1.Spanner.Read],
|
|
// [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql],
|
|
// [Commit][google.spanner.v1.Spanner.Commit], or
|
|
// [Rollback][google.spanner.v1.Spanner.Rollback] calls.
|
|
//
|
|
// Single-use read-only transactions do not have IDs, because
|
|
// single-use transactions do not support multiple requests.
|
|
Id []byte `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
|
|
// For snapshot read-only transactions, the read timestamp chosen
|
|
// for the transaction. Not returned by default: see
|
|
// [TransactionOptions.ReadOnly.return_read_timestamp][google.spanner.v1.TransactionOptions.ReadOnly.return_read_timestamp].
|
|
//
|
|
// A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
|
|
// Example: `"2014-10-02T15:01:23.045123456Z"`.
|
|
ReadTimestamp *timestamp.Timestamp `protobuf:"bytes,2,opt,name=read_timestamp,json=readTimestamp,proto3" json:"read_timestamp,omitempty"`
|
|
XXX_NoUnkeyedLiteral struct{} `json:"-"`
|
|
XXX_unrecognized []byte `json:"-"`
|
|
XXX_sizecache int32 `json:"-"`
|
|
}
|
|
|
|
func (m *Transaction) Reset() { *m = Transaction{} }
|
|
func (m *Transaction) String() string { return proto.CompactTextString(m) }
|
|
func (*Transaction) ProtoMessage() {}
|
|
func (*Transaction) Descriptor() ([]byte, []int) {
|
|
return fileDescriptor_transaction_4419efde92dad332, []int{1}
|
|
}
|
|
func (m *Transaction) XXX_Unmarshal(b []byte) error {
|
|
return xxx_messageInfo_Transaction.Unmarshal(m, b)
|
|
}
|
|
func (m *Transaction) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
|
|
return xxx_messageInfo_Transaction.Marshal(b, m, deterministic)
|
|
}
|
|
func (dst *Transaction) XXX_Merge(src proto.Message) {
|
|
xxx_messageInfo_Transaction.Merge(dst, src)
|
|
}
|
|
func (m *Transaction) XXX_Size() int {
|
|
return xxx_messageInfo_Transaction.Size(m)
|
|
}
|
|
func (m *Transaction) XXX_DiscardUnknown() {
|
|
xxx_messageInfo_Transaction.DiscardUnknown(m)
|
|
}
|
|
|
|
var xxx_messageInfo_Transaction proto.InternalMessageInfo
|
|
|
|
func (m *Transaction) GetId() []byte {
|
|
if m != nil {
|
|
return m.Id
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (m *Transaction) GetReadTimestamp() *timestamp.Timestamp {
|
|
if m != nil {
|
|
return m.ReadTimestamp
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// This message is used to select the transaction in which a
|
|
// [Read][google.spanner.v1.Spanner.Read] or
|
|
// [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql] call runs.
|
|
//
|
|
// See [TransactionOptions][google.spanner.v1.TransactionOptions] for more
|
|
// information about transactions.
|
|
type TransactionSelector struct {
|
|
// If no fields are set, the default is a single use transaction
|
|
// with strong concurrency.
|
|
//
|
|
// Types that are valid to be assigned to Selector:
|
|
// *TransactionSelector_SingleUse
|
|
// *TransactionSelector_Id
|
|
// *TransactionSelector_Begin
|
|
Selector isTransactionSelector_Selector `protobuf_oneof:"selector"`
|
|
XXX_NoUnkeyedLiteral struct{} `json:"-"`
|
|
XXX_unrecognized []byte `json:"-"`
|
|
XXX_sizecache int32 `json:"-"`
|
|
}
|
|
|
|
func (m *TransactionSelector) Reset() { *m = TransactionSelector{} }
|
|
func (m *TransactionSelector) String() string { return proto.CompactTextString(m) }
|
|
func (*TransactionSelector) ProtoMessage() {}
|
|
func (*TransactionSelector) Descriptor() ([]byte, []int) {
|
|
return fileDescriptor_transaction_4419efde92dad332, []int{2}
|
|
}
|
|
func (m *TransactionSelector) XXX_Unmarshal(b []byte) error {
|
|
return xxx_messageInfo_TransactionSelector.Unmarshal(m, b)
|
|
}
|
|
func (m *TransactionSelector) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
|
|
return xxx_messageInfo_TransactionSelector.Marshal(b, m, deterministic)
|
|
}
|
|
func (dst *TransactionSelector) XXX_Merge(src proto.Message) {
|
|
xxx_messageInfo_TransactionSelector.Merge(dst, src)
|
|
}
|
|
func (m *TransactionSelector) XXX_Size() int {
|
|
return xxx_messageInfo_TransactionSelector.Size(m)
|
|
}
|
|
func (m *TransactionSelector) XXX_DiscardUnknown() {
|
|
xxx_messageInfo_TransactionSelector.DiscardUnknown(m)
|
|
}
|
|
|
|
var xxx_messageInfo_TransactionSelector proto.InternalMessageInfo
|
|
|
|
type isTransactionSelector_Selector interface {
|
|
isTransactionSelector_Selector()
|
|
}
|
|
|
|
type TransactionSelector_SingleUse struct {
|
|
SingleUse *TransactionOptions `protobuf:"bytes,1,opt,name=single_use,json=singleUse,proto3,oneof"`
|
|
}
|
|
|
|
type TransactionSelector_Id struct {
|
|
Id []byte `protobuf:"bytes,2,opt,name=id,proto3,oneof"`
|
|
}
|
|
|
|
type TransactionSelector_Begin struct {
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Begin *TransactionOptions `protobuf:"bytes,3,opt,name=begin,proto3,oneof"`
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}
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func (*TransactionSelector_SingleUse) isTransactionSelector_Selector() {}
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func (*TransactionSelector_Id) isTransactionSelector_Selector() {}
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func (*TransactionSelector_Begin) isTransactionSelector_Selector() {}
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func (m *TransactionSelector) GetSelector() isTransactionSelector_Selector {
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if m != nil {
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return m.Selector
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}
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return nil
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}
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func (m *TransactionSelector) GetSingleUse() *TransactionOptions {
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if x, ok := m.GetSelector().(*TransactionSelector_SingleUse); ok {
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return x.SingleUse
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}
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return nil
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}
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func (m *TransactionSelector) GetId() []byte {
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if x, ok := m.GetSelector().(*TransactionSelector_Id); ok {
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return x.Id
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}
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return nil
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}
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func (m *TransactionSelector) GetBegin() *TransactionOptions {
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if x, ok := m.GetSelector().(*TransactionSelector_Begin); ok {
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return x.Begin
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}
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return nil
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}
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// XXX_OneofFuncs is for the internal use of the proto package.
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func (*TransactionSelector) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
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return _TransactionSelector_OneofMarshaler, _TransactionSelector_OneofUnmarshaler, _TransactionSelector_OneofSizer, []interface{}{
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(*TransactionSelector_SingleUse)(nil),
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(*TransactionSelector_Id)(nil),
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(*TransactionSelector_Begin)(nil),
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}
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}
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func _TransactionSelector_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
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m := msg.(*TransactionSelector)
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// selector
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switch x := m.Selector.(type) {
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case *TransactionSelector_SingleUse:
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b.EncodeVarint(1<<3 | proto.WireBytes)
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if err := b.EncodeMessage(x.SingleUse); err != nil {
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return err
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}
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case *TransactionSelector_Id:
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b.EncodeVarint(2<<3 | proto.WireBytes)
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b.EncodeRawBytes(x.Id)
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case *TransactionSelector_Begin:
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b.EncodeVarint(3<<3 | proto.WireBytes)
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if err := b.EncodeMessage(x.Begin); err != nil {
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return err
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}
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case nil:
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default:
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return fmt.Errorf("TransactionSelector.Selector has unexpected type %T", x)
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}
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return nil
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}
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func _TransactionSelector_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
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m := msg.(*TransactionSelector)
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switch tag {
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case 1: // selector.single_use
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if wire != proto.WireBytes {
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return true, proto.ErrInternalBadWireType
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}
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msg := new(TransactionOptions)
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err := b.DecodeMessage(msg)
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m.Selector = &TransactionSelector_SingleUse{msg}
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return true, err
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case 2: // selector.id
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if wire != proto.WireBytes {
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return true, proto.ErrInternalBadWireType
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}
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x, err := b.DecodeRawBytes(true)
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m.Selector = &TransactionSelector_Id{x}
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return true, err
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case 3: // selector.begin
|
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if wire != proto.WireBytes {
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return true, proto.ErrInternalBadWireType
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}
|
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msg := new(TransactionOptions)
|
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err := b.DecodeMessage(msg)
|
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m.Selector = &TransactionSelector_Begin{msg}
|
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return true, err
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default:
|
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return false, nil
|
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}
|
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}
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func _TransactionSelector_OneofSizer(msg proto.Message) (n int) {
|
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m := msg.(*TransactionSelector)
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// selector
|
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switch x := m.Selector.(type) {
|
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case *TransactionSelector_SingleUse:
|
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s := proto.Size(x.SingleUse)
|
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n += 1 // tag and wire
|
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n += proto.SizeVarint(uint64(s))
|
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n += s
|
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case *TransactionSelector_Id:
|
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n += 1 // tag and wire
|
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n += proto.SizeVarint(uint64(len(x.Id)))
|
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n += len(x.Id)
|
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case *TransactionSelector_Begin:
|
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s := proto.Size(x.Begin)
|
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n += 1 // tag and wire
|
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n += proto.SizeVarint(uint64(s))
|
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n += s
|
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case nil:
|
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default:
|
|
panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
|
|
}
|
|
return n
|
|
}
|
|
|
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func init() {
|
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proto.RegisterType((*TransactionOptions)(nil), "google.spanner.v1.TransactionOptions")
|
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proto.RegisterType((*TransactionOptions_ReadWrite)(nil), "google.spanner.v1.TransactionOptions.ReadWrite")
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proto.RegisterType((*TransactionOptions_PartitionedDml)(nil), "google.spanner.v1.TransactionOptions.PartitionedDml")
|
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proto.RegisterType((*TransactionOptions_ReadOnly)(nil), "google.spanner.v1.TransactionOptions.ReadOnly")
|
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proto.RegisterType((*Transaction)(nil), "google.spanner.v1.Transaction")
|
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proto.RegisterType((*TransactionSelector)(nil), "google.spanner.v1.TransactionSelector")
|
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}
|
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|
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func init() {
|
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proto.RegisterFile("google/spanner/v1/transaction.proto", fileDescriptor_transaction_4419efde92dad332)
|
|
}
|
|
|
|
var fileDescriptor_transaction_4419efde92dad332 = []byte{
|
|
// 573 bytes of a gzipped FileDescriptorProto
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|
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}
|