// Code generated by protoc-gen-go. DO NOT EDIT.
// source: google/spanner/v1/spanner.proto

package spanner

import (
	fmt "fmt"
	proto "github.com/golang/protobuf/proto"
	empty "github.com/golang/protobuf/ptypes/empty"
	_struct "github.com/golang/protobuf/ptypes/struct"
	timestamp "github.com/golang/protobuf/ptypes/timestamp"
	_ "google.golang.org/genproto/googleapis/api/annotations"
	math "math"
)

import (
	context "golang.org/x/net/context"
	grpc "google.golang.org/grpc"
)

// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf

// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package

// Mode in which the statement must be processed.
type ExecuteSqlRequest_QueryMode int32

const (
	// The default mode. Only the statement results are returned.
	ExecuteSqlRequest_NORMAL ExecuteSqlRequest_QueryMode = 0
	// This mode returns only the query plan, without any results or
	// execution statistics information.
	ExecuteSqlRequest_PLAN ExecuteSqlRequest_QueryMode = 1
	// This mode returns both the query plan and the execution statistics along
	// with the results.
	ExecuteSqlRequest_PROFILE ExecuteSqlRequest_QueryMode = 2
)

var ExecuteSqlRequest_QueryMode_name = map[int32]string{
	0: "NORMAL",
	1: "PLAN",
	2: "PROFILE",
}

var ExecuteSqlRequest_QueryMode_value = map[string]int32{
	"NORMAL":  0,
	"PLAN":    1,
	"PROFILE": 2,
}

func (x ExecuteSqlRequest_QueryMode) String() string {
	return proto.EnumName(ExecuteSqlRequest_QueryMode_name, int32(x))
}

func (ExecuteSqlRequest_QueryMode) EnumDescriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{6, 0}
}

// The request for [CreateSession][google.spanner.v1.Spanner.CreateSession].
type CreateSessionRequest struct {
	// Required. The database in which the new session is created.
	Database string `protobuf:"bytes,1,opt,name=database,proto3" json:"database,omitempty"`
	// The session to create.
	Session              *Session `protobuf:"bytes,2,opt,name=session,proto3" json:"session,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *CreateSessionRequest) Reset()         { *m = CreateSessionRequest{} }
func (m *CreateSessionRequest) String() string { return proto.CompactTextString(m) }
func (*CreateSessionRequest) ProtoMessage()    {}
func (*CreateSessionRequest) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{0}
}

func (m *CreateSessionRequest) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_CreateSessionRequest.Unmarshal(m, b)
}
func (m *CreateSessionRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_CreateSessionRequest.Marshal(b, m, deterministic)
}
func (m *CreateSessionRequest) XXX_Merge(src proto.Message) {
	xxx_messageInfo_CreateSessionRequest.Merge(m, src)
}
func (m *CreateSessionRequest) XXX_Size() int {
	return xxx_messageInfo_CreateSessionRequest.Size(m)
}
func (m *CreateSessionRequest) XXX_DiscardUnknown() {
	xxx_messageInfo_CreateSessionRequest.DiscardUnknown(m)
}

var xxx_messageInfo_CreateSessionRequest proto.InternalMessageInfo

func (m *CreateSessionRequest) GetDatabase() string {
	if m != nil {
		return m.Database
	}
	return ""
}

func (m *CreateSessionRequest) GetSession() *Session {
	if m != nil {
		return m.Session
	}
	return nil
}

// A session in the Cloud Spanner API.
type Session struct {
	// The name of the session. This is always system-assigned; values provided
	// when creating a session are ignored.
	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	// The labels for the session.
	//
	//  * Label keys must be between 1 and 63 characters long and must conform to
	//    the following regular expression: `[a-z]([-a-z0-9]*[a-z0-9])?`.
	//  * Label values must be between 0 and 63 characters long and must conform
	//    to the regular expression `([a-z]([-a-z0-9]*[a-z0-9])?)?`.
	//  * No more than 64 labels can be associated with a given session.
	//
	// See https://goo.gl/xmQnxf for more information on and examples of labels.
	Labels map[string]string `protobuf:"bytes,2,rep,name=labels,proto3" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
	// Output only. The timestamp when the session is created.
	CreateTime *timestamp.Timestamp `protobuf:"bytes,3,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty"`
	// Output only. The approximate timestamp when the session is last used. It is
	// typically earlier than the actual last use time.
	ApproximateLastUseTime *timestamp.Timestamp `protobuf:"bytes,4,opt,name=approximate_last_use_time,json=approximateLastUseTime,proto3" json:"approximate_last_use_time,omitempty"`
	XXX_NoUnkeyedLiteral   struct{}             `json:"-"`
	XXX_unrecognized       []byte               `json:"-"`
	XXX_sizecache          int32                `json:"-"`
}

func (m *Session) Reset()         { *m = Session{} }
func (m *Session) String() string { return proto.CompactTextString(m) }
func (*Session) ProtoMessage()    {}
func (*Session) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{1}
}

func (m *Session) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_Session.Unmarshal(m, b)
}
func (m *Session) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_Session.Marshal(b, m, deterministic)
}
func (m *Session) XXX_Merge(src proto.Message) {
	xxx_messageInfo_Session.Merge(m, src)
}
func (m *Session) XXX_Size() int {
	return xxx_messageInfo_Session.Size(m)
}
func (m *Session) XXX_DiscardUnknown() {
	xxx_messageInfo_Session.DiscardUnknown(m)
}

var xxx_messageInfo_Session proto.InternalMessageInfo

func (m *Session) GetName() string {
	if m != nil {
		return m.Name
	}
	return ""
}

func (m *Session) GetLabels() map[string]string {
	if m != nil {
		return m.Labels
	}
	return nil
}

func (m *Session) GetCreateTime() *timestamp.Timestamp {
	if m != nil {
		return m.CreateTime
	}
	return nil
}

func (m *Session) GetApproximateLastUseTime() *timestamp.Timestamp {
	if m != nil {
		return m.ApproximateLastUseTime
	}
	return nil
}

// The request for [GetSession][google.spanner.v1.Spanner.GetSession].
type GetSessionRequest struct {
	// Required. The name of the session to retrieve.
	Name                 string   `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *GetSessionRequest) Reset()         { *m = GetSessionRequest{} }
func (m *GetSessionRequest) String() string { return proto.CompactTextString(m) }
func (*GetSessionRequest) ProtoMessage()    {}
func (*GetSessionRequest) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{2}
}

func (m *GetSessionRequest) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_GetSessionRequest.Unmarshal(m, b)
}
func (m *GetSessionRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_GetSessionRequest.Marshal(b, m, deterministic)
}
func (m *GetSessionRequest) XXX_Merge(src proto.Message) {
	xxx_messageInfo_GetSessionRequest.Merge(m, src)
}
func (m *GetSessionRequest) XXX_Size() int {
	return xxx_messageInfo_GetSessionRequest.Size(m)
}
func (m *GetSessionRequest) XXX_DiscardUnknown() {
	xxx_messageInfo_GetSessionRequest.DiscardUnknown(m)
}

var xxx_messageInfo_GetSessionRequest proto.InternalMessageInfo

func (m *GetSessionRequest) GetName() string {
	if m != nil {
		return m.Name
	}
	return ""
}

// The request for [ListSessions][google.spanner.v1.Spanner.ListSessions].
type ListSessionsRequest struct {
	// Required. The database in which to list sessions.
	Database string `protobuf:"bytes,1,opt,name=database,proto3" json:"database,omitempty"`
	// Number of sessions to be returned in the response. If 0 or less, defaults
	// to the server's maximum allowed page size.
	PageSize int32 `protobuf:"varint,2,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
	// If non-empty, `page_token` should contain a
	// [next_page_token][google.spanner.v1.ListSessionsResponse.next_page_token] from a previous
	// [ListSessionsResponse][google.spanner.v1.ListSessionsResponse].
	PageToken string `protobuf:"bytes,3,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
	// An expression for filtering the results of the request. Filter rules are
	// case insensitive. The fields eligible for filtering are:
	//
	//   * `labels.key` where key is the name of a label
	//
	// Some examples of using filters are:
	//
	//   * `labels.env:*` --> The session has the label "env".
	//   * `labels.env:dev` --> The session has the label "env" and the value of
	//                        the label contains the string "dev".
	Filter               string   `protobuf:"bytes,4,opt,name=filter,proto3" json:"filter,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *ListSessionsRequest) Reset()         { *m = ListSessionsRequest{} }
func (m *ListSessionsRequest) String() string { return proto.CompactTextString(m) }
func (*ListSessionsRequest) ProtoMessage()    {}
func (*ListSessionsRequest) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{3}
}

func (m *ListSessionsRequest) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_ListSessionsRequest.Unmarshal(m, b)
}
func (m *ListSessionsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_ListSessionsRequest.Marshal(b, m, deterministic)
}
func (m *ListSessionsRequest) XXX_Merge(src proto.Message) {
	xxx_messageInfo_ListSessionsRequest.Merge(m, src)
}
func (m *ListSessionsRequest) XXX_Size() int {
	return xxx_messageInfo_ListSessionsRequest.Size(m)
}
func (m *ListSessionsRequest) XXX_DiscardUnknown() {
	xxx_messageInfo_ListSessionsRequest.DiscardUnknown(m)
}

var xxx_messageInfo_ListSessionsRequest proto.InternalMessageInfo

func (m *ListSessionsRequest) GetDatabase() string {
	if m != nil {
		return m.Database
	}
	return ""
}

func (m *ListSessionsRequest) GetPageSize() int32 {
	if m != nil {
		return m.PageSize
	}
	return 0
}

func (m *ListSessionsRequest) GetPageToken() string {
	if m != nil {
		return m.PageToken
	}
	return ""
}

func (m *ListSessionsRequest) GetFilter() string {
	if m != nil {
		return m.Filter
	}
	return ""
}

// The response for [ListSessions][google.spanner.v1.Spanner.ListSessions].
type ListSessionsResponse struct {
	// The list of requested sessions.
	Sessions []*Session `protobuf:"bytes,1,rep,name=sessions,proto3" json:"sessions,omitempty"`
	// `next_page_token` can be sent in a subsequent
	// [ListSessions][google.spanner.v1.Spanner.ListSessions] call to fetch more of the matching
	// sessions.
	NextPageToken        string   `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *ListSessionsResponse) Reset()         { *m = ListSessionsResponse{} }
func (m *ListSessionsResponse) String() string { return proto.CompactTextString(m) }
func (*ListSessionsResponse) ProtoMessage()    {}
func (*ListSessionsResponse) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{4}
}

func (m *ListSessionsResponse) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_ListSessionsResponse.Unmarshal(m, b)
}
func (m *ListSessionsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_ListSessionsResponse.Marshal(b, m, deterministic)
}
func (m *ListSessionsResponse) XXX_Merge(src proto.Message) {
	xxx_messageInfo_ListSessionsResponse.Merge(m, src)
}
func (m *ListSessionsResponse) XXX_Size() int {
	return xxx_messageInfo_ListSessionsResponse.Size(m)
}
func (m *ListSessionsResponse) XXX_DiscardUnknown() {
	xxx_messageInfo_ListSessionsResponse.DiscardUnknown(m)
}

var xxx_messageInfo_ListSessionsResponse proto.InternalMessageInfo

func (m *ListSessionsResponse) GetSessions() []*Session {
	if m != nil {
		return m.Sessions
	}
	return nil
}

func (m *ListSessionsResponse) GetNextPageToken() string {
	if m != nil {
		return m.NextPageToken
	}
	return ""
}

// The request for [DeleteSession][google.spanner.v1.Spanner.DeleteSession].
type DeleteSessionRequest struct {
	// Required. The name of the session to delete.
	Name                 string   `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *DeleteSessionRequest) Reset()         { *m = DeleteSessionRequest{} }
func (m *DeleteSessionRequest) String() string { return proto.CompactTextString(m) }
func (*DeleteSessionRequest) ProtoMessage()    {}
func (*DeleteSessionRequest) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{5}
}

func (m *DeleteSessionRequest) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_DeleteSessionRequest.Unmarshal(m, b)
}
func (m *DeleteSessionRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_DeleteSessionRequest.Marshal(b, m, deterministic)
}
func (m *DeleteSessionRequest) XXX_Merge(src proto.Message) {
	xxx_messageInfo_DeleteSessionRequest.Merge(m, src)
}
func (m *DeleteSessionRequest) XXX_Size() int {
	return xxx_messageInfo_DeleteSessionRequest.Size(m)
}
func (m *DeleteSessionRequest) XXX_DiscardUnknown() {
	xxx_messageInfo_DeleteSessionRequest.DiscardUnknown(m)
}

var xxx_messageInfo_DeleteSessionRequest proto.InternalMessageInfo

func (m *DeleteSessionRequest) GetName() string {
	if m != nil {
		return m.Name
	}
	return ""
}

// The request for [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql] and
// [ExecuteStreamingSql][google.spanner.v1.Spanner.ExecuteStreamingSql].
type ExecuteSqlRequest struct {
	// Required. The session in which the SQL query should be performed.
	Session string `protobuf:"bytes,1,opt,name=session,proto3" json:"session,omitempty"`
	// The transaction to use. If none is provided, the default is a
	// temporary read-only transaction with strong concurrency.
	//
	// The transaction to use.
	//
	// For queries, if none is provided, the default is a temporary read-only
	// transaction with strong concurrency.
	//
	// Standard DML statements require a ReadWrite transaction. Single-use
	// transactions are not supported (to avoid replay).  The caller must
	// either supply an existing transaction ID or begin a new transaction.
	//
	// Partitioned DML requires an existing PartitionedDml transaction ID.
	Transaction *TransactionSelector `protobuf:"bytes,2,opt,name=transaction,proto3" json:"transaction,omitempty"`
	// Required. The SQL string.
	Sql string `protobuf:"bytes,3,opt,name=sql,proto3" json:"sql,omitempty"`
	// The SQL string can contain parameter placeholders. A parameter
	// placeholder consists of `'@'` followed by the parameter
	// name. Parameter names consist of any combination of letters,
	// numbers, and underscores.
	//
	// Parameters can appear anywhere that a literal value is expected.  The same
	// parameter name can be used more than once, for example:
	//   `"WHERE id > @msg_id AND id < @msg_id + 100"`
	//
	// It is an error to execute an SQL statement with unbound parameters.
	//
	// Parameter values are specified using `params`, which is a JSON
	// object whose keys are parameter names, and whose values are the
	// corresponding parameter values.
	Params *_struct.Struct `protobuf:"bytes,4,opt,name=params,proto3" json:"params,omitempty"`
	// It is not always possible for Cloud Spanner to infer the right SQL type
	// from a JSON value.  For example, values of type `BYTES` and values
	// of type `STRING` both appear in [params][google.spanner.v1.ExecuteSqlRequest.params] as JSON strings.
	//
	// In these cases, `param_types` can be used to specify the exact
	// SQL type for some or all of the SQL statement parameters. See the
	// definition of [Type][google.spanner.v1.Type] for more information
	// about SQL types.
	ParamTypes map[string]*Type `protobuf:"bytes,5,rep,name=param_types,json=paramTypes,proto3" json:"param_types,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
	// If this request is resuming a previously interrupted SQL statement
	// execution, `resume_token` should be copied from the last
	// [PartialResultSet][google.spanner.v1.PartialResultSet] yielded before the interruption. Doing this
	// enables the new SQL statement execution to resume where the last one left
	// off. The rest of the request parameters must exactly match the
	// request that yielded this token.
	ResumeToken []byte `protobuf:"bytes,6,opt,name=resume_token,json=resumeToken,proto3" json:"resume_token,omitempty"`
	// Used to control the amount of debugging information returned in
	// [ResultSetStats][google.spanner.v1.ResultSetStats]. If [partition_token][google.spanner.v1.ExecuteSqlRequest.partition_token] is set, [query_mode][google.spanner.v1.ExecuteSqlRequest.query_mode] can only
	// be set to [QueryMode.NORMAL][google.spanner.v1.ExecuteSqlRequest.QueryMode.NORMAL].
	QueryMode ExecuteSqlRequest_QueryMode `protobuf:"varint,7,opt,name=query_mode,json=queryMode,proto3,enum=google.spanner.v1.ExecuteSqlRequest_QueryMode" json:"query_mode,omitempty"`
	// If present, results will be restricted to the specified partition
	// previously created using PartitionQuery().  There must be an exact
	// match for the values of fields common to this message and the
	// PartitionQueryRequest message used to create this partition_token.
	PartitionToken []byte `protobuf:"bytes,8,opt,name=partition_token,json=partitionToken,proto3" json:"partition_token,omitempty"`
	// A per-transaction sequence number used to identify this request. This
	// makes each request idempotent such that if the request is received multiple
	// times, at most one will succeed.
	//
	// The sequence number must be monotonically increasing within the
	// transaction. If a request arrives for the first time with an out-of-order
	// sequence number, the transaction may be aborted. Replays of previously
	// handled requests will yield the same response as the first execution.
	//
	// Required for DML statements. Ignored for queries.
	Seqno                int64    `protobuf:"varint,9,opt,name=seqno,proto3" json:"seqno,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *ExecuteSqlRequest) Reset()         { *m = ExecuteSqlRequest{} }
func (m *ExecuteSqlRequest) String() string { return proto.CompactTextString(m) }
func (*ExecuteSqlRequest) ProtoMessage()    {}
func (*ExecuteSqlRequest) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{6}
}

func (m *ExecuteSqlRequest) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_ExecuteSqlRequest.Unmarshal(m, b)
}
func (m *ExecuteSqlRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_ExecuteSqlRequest.Marshal(b, m, deterministic)
}
func (m *ExecuteSqlRequest) XXX_Merge(src proto.Message) {
	xxx_messageInfo_ExecuteSqlRequest.Merge(m, src)
}
func (m *ExecuteSqlRequest) XXX_Size() int {
	return xxx_messageInfo_ExecuteSqlRequest.Size(m)
}
func (m *ExecuteSqlRequest) XXX_DiscardUnknown() {
	xxx_messageInfo_ExecuteSqlRequest.DiscardUnknown(m)
}

var xxx_messageInfo_ExecuteSqlRequest proto.InternalMessageInfo

func (m *ExecuteSqlRequest) GetSession() string {
	if m != nil {
		return m.Session
	}
	return ""
}

func (m *ExecuteSqlRequest) GetTransaction() *TransactionSelector {
	if m != nil {
		return m.Transaction
	}
	return nil
}

func (m *ExecuteSqlRequest) GetSql() string {
	if m != nil {
		return m.Sql
	}
	return ""
}

func (m *ExecuteSqlRequest) GetParams() *_struct.Struct {
	if m != nil {
		return m.Params
	}
	return nil
}

func (m *ExecuteSqlRequest) GetParamTypes() map[string]*Type {
	if m != nil {
		return m.ParamTypes
	}
	return nil
}

func (m *ExecuteSqlRequest) GetResumeToken() []byte {
	if m != nil {
		return m.ResumeToken
	}
	return nil
}

func (m *ExecuteSqlRequest) GetQueryMode() ExecuteSqlRequest_QueryMode {
	if m != nil {
		return m.QueryMode
	}
	return ExecuteSqlRequest_NORMAL
}

func (m *ExecuteSqlRequest) GetPartitionToken() []byte {
	if m != nil {
		return m.PartitionToken
	}
	return nil
}

func (m *ExecuteSqlRequest) GetSeqno() int64 {
	if m != nil {
		return m.Seqno
	}
	return 0
}

// Options for a PartitionQueryRequest and
// PartitionReadRequest.
type PartitionOptions struct {
	// **Note:** This hint is currently ignored by PartitionQuery and
	// PartitionRead requests.
	//
	// The desired data size for each partition generated.  The default for this
	// option is currently 1 GiB.  This is only a hint. The actual size of each
	// partition may be smaller or larger than this size request.
	PartitionSizeBytes int64 `protobuf:"varint,1,opt,name=partition_size_bytes,json=partitionSizeBytes,proto3" json:"partition_size_bytes,omitempty"`
	// **Note:** This hint is currently ignored by PartitionQuery and
	// PartitionRead requests.
	//
	// The desired maximum number of partitions to return.  For example, this may
	// be set to the number of workers available.  The default for this option
	// is currently 10,000. The maximum value is currently 200,000.  This is only
	// a hint.  The actual number of partitions returned may be smaller or larger
	// than this maximum count request.
	MaxPartitions        int64    `protobuf:"varint,2,opt,name=max_partitions,json=maxPartitions,proto3" json:"max_partitions,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *PartitionOptions) Reset()         { *m = PartitionOptions{} }
func (m *PartitionOptions) String() string { return proto.CompactTextString(m) }
func (*PartitionOptions) ProtoMessage()    {}
func (*PartitionOptions) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{7}
}

func (m *PartitionOptions) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_PartitionOptions.Unmarshal(m, b)
}
func (m *PartitionOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_PartitionOptions.Marshal(b, m, deterministic)
}
func (m *PartitionOptions) XXX_Merge(src proto.Message) {
	xxx_messageInfo_PartitionOptions.Merge(m, src)
}
func (m *PartitionOptions) XXX_Size() int {
	return xxx_messageInfo_PartitionOptions.Size(m)
}
func (m *PartitionOptions) XXX_DiscardUnknown() {
	xxx_messageInfo_PartitionOptions.DiscardUnknown(m)
}

var xxx_messageInfo_PartitionOptions proto.InternalMessageInfo

func (m *PartitionOptions) GetPartitionSizeBytes() int64 {
	if m != nil {
		return m.PartitionSizeBytes
	}
	return 0
}

func (m *PartitionOptions) GetMaxPartitions() int64 {
	if m != nil {
		return m.MaxPartitions
	}
	return 0
}

// The request for [PartitionQuery][google.spanner.v1.Spanner.PartitionQuery]
type PartitionQueryRequest struct {
	// Required. The session used to create the partitions.
	Session string `protobuf:"bytes,1,opt,name=session,proto3" json:"session,omitempty"`
	// Read only snapshot transactions are supported, read/write and single use
	// transactions are not.
	Transaction *TransactionSelector `protobuf:"bytes,2,opt,name=transaction,proto3" json:"transaction,omitempty"`
	// The query request to generate partitions for. The request will fail if
	// the query is not root partitionable. The query plan of a root
	// partitionable query has a single distributed union operator. A distributed
	// union operator conceptually divides one or more tables into multiple
	// splits, remotely evaluates a subquery independently on each split, and
	// then unions all results.
	//
	// This must not contain DML commands, such as INSERT, UPDATE, or
	// DELETE. Use [ExecuteStreamingSql][google.spanner.v1.Spanner.ExecuteStreamingSql] with a
	// PartitionedDml transaction for large, partition-friendly DML operations.
	Sql string `protobuf:"bytes,3,opt,name=sql,proto3" json:"sql,omitempty"`
	// The SQL query string can contain parameter placeholders. A parameter
	// placeholder consists of `'@'` followed by the parameter
	// name. Parameter names consist of any combination of letters,
	// numbers, and underscores.
	//
	// Parameters can appear anywhere that a literal value is expected.  The same
	// parameter name can be used more than once, for example:
	//   `"WHERE id > @msg_id AND id < @msg_id + 100"`
	//
	// It is an error to execute an SQL query with unbound parameters.
	//
	// Parameter values are specified using `params`, which is a JSON
	// object whose keys are parameter names, and whose values are the
	// corresponding parameter values.
	Params *_struct.Struct `protobuf:"bytes,4,opt,name=params,proto3" json:"params,omitempty"`
	// It is not always possible for Cloud Spanner to infer the right SQL type
	// from a JSON value.  For example, values of type `BYTES` and values
	// of type `STRING` both appear in [params][google.spanner.v1.PartitionQueryRequest.params] as JSON strings.
	//
	// In these cases, `param_types` can be used to specify the exact
	// SQL type for some or all of the SQL query parameters. See the
	// definition of [Type][google.spanner.v1.Type] for more information
	// about SQL types.
	ParamTypes map[string]*Type `protobuf:"bytes,5,rep,name=param_types,json=paramTypes,proto3" json:"param_types,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
	// Additional options that affect how many partitions are created.
	PartitionOptions     *PartitionOptions `protobuf:"bytes,6,opt,name=partition_options,json=partitionOptions,proto3" json:"partition_options,omitempty"`
	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
	XXX_unrecognized     []byte            `json:"-"`
	XXX_sizecache        int32             `json:"-"`
}

func (m *PartitionQueryRequest) Reset()         { *m = PartitionQueryRequest{} }
func (m *PartitionQueryRequest) String() string { return proto.CompactTextString(m) }
func (*PartitionQueryRequest) ProtoMessage()    {}
func (*PartitionQueryRequest) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{8}
}

func (m *PartitionQueryRequest) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_PartitionQueryRequest.Unmarshal(m, b)
}
func (m *PartitionQueryRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_PartitionQueryRequest.Marshal(b, m, deterministic)
}
func (m *PartitionQueryRequest) XXX_Merge(src proto.Message) {
	xxx_messageInfo_PartitionQueryRequest.Merge(m, src)
}
func (m *PartitionQueryRequest) XXX_Size() int {
	return xxx_messageInfo_PartitionQueryRequest.Size(m)
}
func (m *PartitionQueryRequest) XXX_DiscardUnknown() {
	xxx_messageInfo_PartitionQueryRequest.DiscardUnknown(m)
}

var xxx_messageInfo_PartitionQueryRequest proto.InternalMessageInfo

func (m *PartitionQueryRequest) GetSession() string {
	if m != nil {
		return m.Session
	}
	return ""
}

func (m *PartitionQueryRequest) GetTransaction() *TransactionSelector {
	if m != nil {
		return m.Transaction
	}
	return nil
}

func (m *PartitionQueryRequest) GetSql() string {
	if m != nil {
		return m.Sql
	}
	return ""
}

func (m *PartitionQueryRequest) GetParams() *_struct.Struct {
	if m != nil {
		return m.Params
	}
	return nil
}

func (m *PartitionQueryRequest) GetParamTypes() map[string]*Type {
	if m != nil {
		return m.ParamTypes
	}
	return nil
}

func (m *PartitionQueryRequest) GetPartitionOptions() *PartitionOptions {
	if m != nil {
		return m.PartitionOptions
	}
	return nil
}

// The request for [PartitionRead][google.spanner.v1.Spanner.PartitionRead]
type PartitionReadRequest struct {
	// Required. The session used to create the partitions.
	Session string `protobuf:"bytes,1,opt,name=session,proto3" json:"session,omitempty"`
	// Read only snapshot transactions are supported, read/write and single use
	// transactions are not.
	Transaction *TransactionSelector `protobuf:"bytes,2,opt,name=transaction,proto3" json:"transaction,omitempty"`
	// Required. The name of the table in the database to be read.
	Table string `protobuf:"bytes,3,opt,name=table,proto3" json:"table,omitempty"`
	// If non-empty, the name of an index on [table][google.spanner.v1.PartitionReadRequest.table]. This index is
	// used instead of the table primary key when interpreting [key_set][google.spanner.v1.PartitionReadRequest.key_set]
	// and sorting result rows. See [key_set][google.spanner.v1.PartitionReadRequest.key_set] for further information.
	Index string `protobuf:"bytes,4,opt,name=index,proto3" json:"index,omitempty"`
	// The columns of [table][google.spanner.v1.PartitionReadRequest.table] to be returned for each row matching
	// this request.
	Columns []string `protobuf:"bytes,5,rep,name=columns,proto3" json:"columns,omitempty"`
	// Required. `key_set` identifies the rows to be yielded. `key_set` names the
	// primary keys of the rows in [table][google.spanner.v1.PartitionReadRequest.table] to be yielded, unless [index][google.spanner.v1.PartitionReadRequest.index]
	// is present. If [index][google.spanner.v1.PartitionReadRequest.index] is present, then [key_set][google.spanner.v1.PartitionReadRequest.key_set] instead names
	// index keys in [index][google.spanner.v1.PartitionReadRequest.index].
	//
	// It is not an error for the `key_set` to name rows that do not
	// exist in the database. Read yields nothing for nonexistent rows.
	KeySet *KeySet `protobuf:"bytes,6,opt,name=key_set,json=keySet,proto3" json:"key_set,omitempty"`
	// Additional options that affect how many partitions are created.
	PartitionOptions     *PartitionOptions `protobuf:"bytes,9,opt,name=partition_options,json=partitionOptions,proto3" json:"partition_options,omitempty"`
	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
	XXX_unrecognized     []byte            `json:"-"`
	XXX_sizecache        int32             `json:"-"`
}

func (m *PartitionReadRequest) Reset()         { *m = PartitionReadRequest{} }
func (m *PartitionReadRequest) String() string { return proto.CompactTextString(m) }
func (*PartitionReadRequest) ProtoMessage()    {}
func (*PartitionReadRequest) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{9}
}

func (m *PartitionReadRequest) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_PartitionReadRequest.Unmarshal(m, b)
}
func (m *PartitionReadRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_PartitionReadRequest.Marshal(b, m, deterministic)
}
func (m *PartitionReadRequest) XXX_Merge(src proto.Message) {
	xxx_messageInfo_PartitionReadRequest.Merge(m, src)
}
func (m *PartitionReadRequest) XXX_Size() int {
	return xxx_messageInfo_PartitionReadRequest.Size(m)
}
func (m *PartitionReadRequest) XXX_DiscardUnknown() {
	xxx_messageInfo_PartitionReadRequest.DiscardUnknown(m)
}

var xxx_messageInfo_PartitionReadRequest proto.InternalMessageInfo

func (m *PartitionReadRequest) GetSession() string {
	if m != nil {
		return m.Session
	}
	return ""
}

func (m *PartitionReadRequest) GetTransaction() *TransactionSelector {
	if m != nil {
		return m.Transaction
	}
	return nil
}

func (m *PartitionReadRequest) GetTable() string {
	if m != nil {
		return m.Table
	}
	return ""
}

func (m *PartitionReadRequest) GetIndex() string {
	if m != nil {
		return m.Index
	}
	return ""
}

func (m *PartitionReadRequest) GetColumns() []string {
	if m != nil {
		return m.Columns
	}
	return nil
}

func (m *PartitionReadRequest) GetKeySet() *KeySet {
	if m != nil {
		return m.KeySet
	}
	return nil
}

func (m *PartitionReadRequest) GetPartitionOptions() *PartitionOptions {
	if m != nil {
		return m.PartitionOptions
	}
	return nil
}

// Information returned for each partition returned in a
// PartitionResponse.
type Partition struct {
	// This token can be passed to Read, StreamingRead, ExecuteSql, or
	// ExecuteStreamingSql requests to restrict the results to those identified by
	// this partition token.
	PartitionToken       []byte   `protobuf:"bytes,1,opt,name=partition_token,json=partitionToken,proto3" json:"partition_token,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *Partition) Reset()         { *m = Partition{} }
func (m *Partition) String() string { return proto.CompactTextString(m) }
func (*Partition) ProtoMessage()    {}
func (*Partition) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{10}
}

func (m *Partition) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_Partition.Unmarshal(m, b)
}
func (m *Partition) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_Partition.Marshal(b, m, deterministic)
}
func (m *Partition) XXX_Merge(src proto.Message) {
	xxx_messageInfo_Partition.Merge(m, src)
}
func (m *Partition) XXX_Size() int {
	return xxx_messageInfo_Partition.Size(m)
}
func (m *Partition) XXX_DiscardUnknown() {
	xxx_messageInfo_Partition.DiscardUnknown(m)
}

var xxx_messageInfo_Partition proto.InternalMessageInfo

func (m *Partition) GetPartitionToken() []byte {
	if m != nil {
		return m.PartitionToken
	}
	return nil
}

// The response for [PartitionQuery][google.spanner.v1.Spanner.PartitionQuery]
// or [PartitionRead][google.spanner.v1.Spanner.PartitionRead]
type PartitionResponse struct {
	// Partitions created by this request.
	Partitions []*Partition `protobuf:"bytes,1,rep,name=partitions,proto3" json:"partitions,omitempty"`
	// Transaction created by this request.
	Transaction          *Transaction `protobuf:"bytes,2,opt,name=transaction,proto3" json:"transaction,omitempty"`
	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
	XXX_unrecognized     []byte       `json:"-"`
	XXX_sizecache        int32        `json:"-"`
}

func (m *PartitionResponse) Reset()         { *m = PartitionResponse{} }
func (m *PartitionResponse) String() string { return proto.CompactTextString(m) }
func (*PartitionResponse) ProtoMessage()    {}
func (*PartitionResponse) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{11}
}

func (m *PartitionResponse) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_PartitionResponse.Unmarshal(m, b)
}
func (m *PartitionResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_PartitionResponse.Marshal(b, m, deterministic)
}
func (m *PartitionResponse) XXX_Merge(src proto.Message) {
	xxx_messageInfo_PartitionResponse.Merge(m, src)
}
func (m *PartitionResponse) XXX_Size() int {
	return xxx_messageInfo_PartitionResponse.Size(m)
}
func (m *PartitionResponse) XXX_DiscardUnknown() {
	xxx_messageInfo_PartitionResponse.DiscardUnknown(m)
}

var xxx_messageInfo_PartitionResponse proto.InternalMessageInfo

func (m *PartitionResponse) GetPartitions() []*Partition {
	if m != nil {
		return m.Partitions
	}
	return nil
}

func (m *PartitionResponse) GetTransaction() *Transaction {
	if m != nil {
		return m.Transaction
	}
	return nil
}

// The request for [Read][google.spanner.v1.Spanner.Read] and
// [StreamingRead][google.spanner.v1.Spanner.StreamingRead].
type ReadRequest struct {
	// Required. The session in which the read should be performed.
	Session string `protobuf:"bytes,1,opt,name=session,proto3" json:"session,omitempty"`
	// The transaction to use. If none is provided, the default is a
	// temporary read-only transaction with strong concurrency.
	Transaction *TransactionSelector `protobuf:"bytes,2,opt,name=transaction,proto3" json:"transaction,omitempty"`
	// Required. The name of the table in the database to be read.
	Table string `protobuf:"bytes,3,opt,name=table,proto3" json:"table,omitempty"`
	// If non-empty, the name of an index on [table][google.spanner.v1.ReadRequest.table]. This index is
	// used instead of the table primary key when interpreting [key_set][google.spanner.v1.ReadRequest.key_set]
	// and sorting result rows. See [key_set][google.spanner.v1.ReadRequest.key_set] for further information.
	Index string `protobuf:"bytes,4,opt,name=index,proto3" json:"index,omitempty"`
	// The columns of [table][google.spanner.v1.ReadRequest.table] to be returned for each row matching
	// this request.
	Columns []string `protobuf:"bytes,5,rep,name=columns,proto3" json:"columns,omitempty"`
	// Required. `key_set` identifies the rows to be yielded. `key_set` names the
	// primary keys of the rows in [table][google.spanner.v1.ReadRequest.table] to be yielded, unless [index][google.spanner.v1.ReadRequest.index]
	// is present. If [index][google.spanner.v1.ReadRequest.index] is present, then [key_set][google.spanner.v1.ReadRequest.key_set] instead names
	// index keys in [index][google.spanner.v1.ReadRequest.index].
	//
	// If the [partition_token][google.spanner.v1.ReadRequest.partition_token] field is empty, rows are yielded
	// in table primary key order (if [index][google.spanner.v1.ReadRequest.index] is empty) or index key order
	// (if [index][google.spanner.v1.ReadRequest.index] is non-empty).  If the [partition_token][google.spanner.v1.ReadRequest.partition_token] field is not
	// empty, rows will be yielded in an unspecified order.
	//
	// It is not an error for the `key_set` to name rows that do not
	// exist in the database. Read yields nothing for nonexistent rows.
	KeySet *KeySet `protobuf:"bytes,6,opt,name=key_set,json=keySet,proto3" json:"key_set,omitempty"`
	// If greater than zero, only the first `limit` rows are yielded. If `limit`
	// is zero, the default is no limit. A limit cannot be specified if
	// `partition_token` is set.
	Limit int64 `protobuf:"varint,8,opt,name=limit,proto3" json:"limit,omitempty"`
	// If this request is resuming a previously interrupted read,
	// `resume_token` should be copied from the last
	// [PartialResultSet][google.spanner.v1.PartialResultSet] yielded before the interruption. Doing this
	// enables the new read to resume where the last read left off. The
	// rest of the request parameters must exactly match the request
	// that yielded this token.
	ResumeToken []byte `protobuf:"bytes,9,opt,name=resume_token,json=resumeToken,proto3" json:"resume_token,omitempty"`
	// If present, results will be restricted to the specified partition
	// previously created using PartitionRead().    There must be an exact
	// match for the values of fields common to this message and the
	// PartitionReadRequest message used to create this partition_token.
	PartitionToken       []byte   `protobuf:"bytes,10,opt,name=partition_token,json=partitionToken,proto3" json:"partition_token,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *ReadRequest) Reset()         { *m = ReadRequest{} }
func (m *ReadRequest) String() string { return proto.CompactTextString(m) }
func (*ReadRequest) ProtoMessage()    {}
func (*ReadRequest) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{12}
}

func (m *ReadRequest) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_ReadRequest.Unmarshal(m, b)
}
func (m *ReadRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_ReadRequest.Marshal(b, m, deterministic)
}
func (m *ReadRequest) XXX_Merge(src proto.Message) {
	xxx_messageInfo_ReadRequest.Merge(m, src)
}
func (m *ReadRequest) XXX_Size() int {
	return xxx_messageInfo_ReadRequest.Size(m)
}
func (m *ReadRequest) XXX_DiscardUnknown() {
	xxx_messageInfo_ReadRequest.DiscardUnknown(m)
}

var xxx_messageInfo_ReadRequest proto.InternalMessageInfo

func (m *ReadRequest) GetSession() string {
	if m != nil {
		return m.Session
	}
	return ""
}

func (m *ReadRequest) GetTransaction() *TransactionSelector {
	if m != nil {
		return m.Transaction
	}
	return nil
}

func (m *ReadRequest) GetTable() string {
	if m != nil {
		return m.Table
	}
	return ""
}

func (m *ReadRequest) GetIndex() string {
	if m != nil {
		return m.Index
	}
	return ""
}

func (m *ReadRequest) GetColumns() []string {
	if m != nil {
		return m.Columns
	}
	return nil
}

func (m *ReadRequest) GetKeySet() *KeySet {
	if m != nil {
		return m.KeySet
	}
	return nil
}

func (m *ReadRequest) GetLimit() int64 {
	if m != nil {
		return m.Limit
	}
	return 0
}

func (m *ReadRequest) GetResumeToken() []byte {
	if m != nil {
		return m.ResumeToken
	}
	return nil
}

func (m *ReadRequest) GetPartitionToken() []byte {
	if m != nil {
		return m.PartitionToken
	}
	return nil
}

// The request for [BeginTransaction][google.spanner.v1.Spanner.BeginTransaction].
type BeginTransactionRequest struct {
	// Required. The session in which the transaction runs.
	Session string `protobuf:"bytes,1,opt,name=session,proto3" json:"session,omitempty"`
	// Required. Options for the new transaction.
	Options              *TransactionOptions `protobuf:"bytes,2,opt,name=options,proto3" json:"options,omitempty"`
	XXX_NoUnkeyedLiteral struct{}            `json:"-"`
	XXX_unrecognized     []byte              `json:"-"`
	XXX_sizecache        int32               `json:"-"`
}

func (m *BeginTransactionRequest) Reset()         { *m = BeginTransactionRequest{} }
func (m *BeginTransactionRequest) String() string { return proto.CompactTextString(m) }
func (*BeginTransactionRequest) ProtoMessage()    {}
func (*BeginTransactionRequest) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{13}
}

func (m *BeginTransactionRequest) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_BeginTransactionRequest.Unmarshal(m, b)
}
func (m *BeginTransactionRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_BeginTransactionRequest.Marshal(b, m, deterministic)
}
func (m *BeginTransactionRequest) XXX_Merge(src proto.Message) {
	xxx_messageInfo_BeginTransactionRequest.Merge(m, src)
}
func (m *BeginTransactionRequest) XXX_Size() int {
	return xxx_messageInfo_BeginTransactionRequest.Size(m)
}
func (m *BeginTransactionRequest) XXX_DiscardUnknown() {
	xxx_messageInfo_BeginTransactionRequest.DiscardUnknown(m)
}

var xxx_messageInfo_BeginTransactionRequest proto.InternalMessageInfo

func (m *BeginTransactionRequest) GetSession() string {
	if m != nil {
		return m.Session
	}
	return ""
}

func (m *BeginTransactionRequest) GetOptions() *TransactionOptions {
	if m != nil {
		return m.Options
	}
	return nil
}

// The request for [Commit][google.spanner.v1.Spanner.Commit].
type CommitRequest struct {
	// Required. The session in which the transaction to be committed is running.
	Session string `protobuf:"bytes,1,opt,name=session,proto3" json:"session,omitempty"`
	// Required. The transaction in which to commit.
	//
	// Types that are valid to be assigned to Transaction:
	//	*CommitRequest_TransactionId
	//	*CommitRequest_SingleUseTransaction
	Transaction isCommitRequest_Transaction `protobuf_oneof:"transaction"`
	// The mutations to be executed when this transaction commits. All
	// mutations are applied atomically, in the order they appear in
	// this list.
	Mutations            []*Mutation `protobuf:"bytes,4,rep,name=mutations,proto3" json:"mutations,omitempty"`
	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
	XXX_unrecognized     []byte      `json:"-"`
	XXX_sizecache        int32       `json:"-"`
}

func (m *CommitRequest) Reset()         { *m = CommitRequest{} }
func (m *CommitRequest) String() string { return proto.CompactTextString(m) }
func (*CommitRequest) ProtoMessage()    {}
func (*CommitRequest) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{14}
}

func (m *CommitRequest) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_CommitRequest.Unmarshal(m, b)
}
func (m *CommitRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_CommitRequest.Marshal(b, m, deterministic)
}
func (m *CommitRequest) XXX_Merge(src proto.Message) {
	xxx_messageInfo_CommitRequest.Merge(m, src)
}
func (m *CommitRequest) XXX_Size() int {
	return xxx_messageInfo_CommitRequest.Size(m)
}
func (m *CommitRequest) XXX_DiscardUnknown() {
	xxx_messageInfo_CommitRequest.DiscardUnknown(m)
}

var xxx_messageInfo_CommitRequest proto.InternalMessageInfo

func (m *CommitRequest) GetSession() string {
	if m != nil {
		return m.Session
	}
	return ""
}

type isCommitRequest_Transaction interface {
	isCommitRequest_Transaction()
}

type CommitRequest_TransactionId struct {
	TransactionId []byte `protobuf:"bytes,2,opt,name=transaction_id,json=transactionId,proto3,oneof"`
}

type CommitRequest_SingleUseTransaction struct {
	SingleUseTransaction *TransactionOptions `protobuf:"bytes,3,opt,name=single_use_transaction,json=singleUseTransaction,proto3,oneof"`
}

func (*CommitRequest_TransactionId) isCommitRequest_Transaction() {}

func (*CommitRequest_SingleUseTransaction) isCommitRequest_Transaction() {}

func (m *CommitRequest) GetTransaction() isCommitRequest_Transaction {
	if m != nil {
		return m.Transaction
	}
	return nil
}

func (m *CommitRequest) GetTransactionId() []byte {
	if x, ok := m.GetTransaction().(*CommitRequest_TransactionId); ok {
		return x.TransactionId
	}
	return nil
}

func (m *CommitRequest) GetSingleUseTransaction() *TransactionOptions {
	if x, ok := m.GetTransaction().(*CommitRequest_SingleUseTransaction); ok {
		return x.SingleUseTransaction
	}
	return nil
}

func (m *CommitRequest) GetMutations() []*Mutation {
	if m != nil {
		return m.Mutations
	}
	return nil
}

// XXX_OneofFuncs is for the internal use of the proto package.
func (*CommitRequest) 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 _CommitRequest_OneofMarshaler, _CommitRequest_OneofUnmarshaler, _CommitRequest_OneofSizer, []interface{}{
		(*CommitRequest_TransactionId)(nil),
		(*CommitRequest_SingleUseTransaction)(nil),
	}
}

func _CommitRequest_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
	m := msg.(*CommitRequest)
	// transaction
	switch x := m.Transaction.(type) {
	case *CommitRequest_TransactionId:
		b.EncodeVarint(2<<3 | proto.WireBytes)
		b.EncodeRawBytes(x.TransactionId)
	case *CommitRequest_SingleUseTransaction:
		b.EncodeVarint(3<<3 | proto.WireBytes)
		if err := b.EncodeMessage(x.SingleUseTransaction); err != nil {
			return err
		}
	case nil:
	default:
		return fmt.Errorf("CommitRequest.Transaction has unexpected type %T", x)
	}
	return nil
}

func _CommitRequest_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
	m := msg.(*CommitRequest)
	switch tag {
	case 2: // transaction.transaction_id
		if wire != proto.WireBytes {
			return true, proto.ErrInternalBadWireType
		}
		x, err := b.DecodeRawBytes(true)
		m.Transaction = &CommitRequest_TransactionId{x}
		return true, err
	case 3: // transaction.single_use_transaction
		if wire != proto.WireBytes {
			return true, proto.ErrInternalBadWireType
		}
		msg := new(TransactionOptions)
		err := b.DecodeMessage(msg)
		m.Transaction = &CommitRequest_SingleUseTransaction{msg}
		return true, err
	default:
		return false, nil
	}
}

func _CommitRequest_OneofSizer(msg proto.Message) (n int) {
	m := msg.(*CommitRequest)
	// transaction
	switch x := m.Transaction.(type) {
	case *CommitRequest_TransactionId:
		n += 1 // tag and wire
		n += proto.SizeVarint(uint64(len(x.TransactionId)))
		n += len(x.TransactionId)
	case *CommitRequest_SingleUseTransaction:
		s := proto.Size(x.SingleUseTransaction)
		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
}

// The response for [Commit][google.spanner.v1.Spanner.Commit].
type CommitResponse struct {
	// The Cloud Spanner timestamp at which the transaction committed.
	CommitTimestamp      *timestamp.Timestamp `protobuf:"bytes,1,opt,name=commit_timestamp,json=commitTimestamp,proto3" json:"commit_timestamp,omitempty"`
	XXX_NoUnkeyedLiteral struct{}             `json:"-"`
	XXX_unrecognized     []byte               `json:"-"`
	XXX_sizecache        int32                `json:"-"`
}

func (m *CommitResponse) Reset()         { *m = CommitResponse{} }
func (m *CommitResponse) String() string { return proto.CompactTextString(m) }
func (*CommitResponse) ProtoMessage()    {}
func (*CommitResponse) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{15}
}

func (m *CommitResponse) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_CommitResponse.Unmarshal(m, b)
}
func (m *CommitResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_CommitResponse.Marshal(b, m, deterministic)
}
func (m *CommitResponse) XXX_Merge(src proto.Message) {
	xxx_messageInfo_CommitResponse.Merge(m, src)
}
func (m *CommitResponse) XXX_Size() int {
	return xxx_messageInfo_CommitResponse.Size(m)
}
func (m *CommitResponse) XXX_DiscardUnknown() {
	xxx_messageInfo_CommitResponse.DiscardUnknown(m)
}

var xxx_messageInfo_CommitResponse proto.InternalMessageInfo

func (m *CommitResponse) GetCommitTimestamp() *timestamp.Timestamp {
	if m != nil {
		return m.CommitTimestamp
	}
	return nil
}

// The request for [Rollback][google.spanner.v1.Spanner.Rollback].
type RollbackRequest struct {
	// Required. The session in which the transaction to roll back is running.
	Session string `protobuf:"bytes,1,opt,name=session,proto3" json:"session,omitempty"`
	// Required. The transaction to roll back.
	TransactionId        []byte   `protobuf:"bytes,2,opt,name=transaction_id,json=transactionId,proto3" json:"transaction_id,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *RollbackRequest) Reset()         { *m = RollbackRequest{} }
func (m *RollbackRequest) String() string { return proto.CompactTextString(m) }
func (*RollbackRequest) ProtoMessage()    {}
func (*RollbackRequest) Descriptor() ([]byte, []int) {
	return fileDescriptor_a420fdbb92791b07, []int{16}
}

func (m *RollbackRequest) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_RollbackRequest.Unmarshal(m, b)
}
func (m *RollbackRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_RollbackRequest.Marshal(b, m, deterministic)
}
func (m *RollbackRequest) XXX_Merge(src proto.Message) {
	xxx_messageInfo_RollbackRequest.Merge(m, src)
}
func (m *RollbackRequest) XXX_Size() int {
	return xxx_messageInfo_RollbackRequest.Size(m)
}
func (m *RollbackRequest) XXX_DiscardUnknown() {
	xxx_messageInfo_RollbackRequest.DiscardUnknown(m)
}

var xxx_messageInfo_RollbackRequest proto.InternalMessageInfo

func (m *RollbackRequest) GetSession() string {
	if m != nil {
		return m.Session
	}
	return ""
}

func (m *RollbackRequest) GetTransactionId() []byte {
	if m != nil {
		return m.TransactionId
	}
	return nil
}

func init() {
	proto.RegisterEnum("google.spanner.v1.ExecuteSqlRequest_QueryMode", ExecuteSqlRequest_QueryMode_name, ExecuteSqlRequest_QueryMode_value)
	proto.RegisterType((*CreateSessionRequest)(nil), "google.spanner.v1.CreateSessionRequest")
	proto.RegisterType((*Session)(nil), "google.spanner.v1.Session")
	proto.RegisterMapType((map[string]string)(nil), "google.spanner.v1.Session.LabelsEntry")
	proto.RegisterType((*GetSessionRequest)(nil), "google.spanner.v1.GetSessionRequest")
	proto.RegisterType((*ListSessionsRequest)(nil), "google.spanner.v1.ListSessionsRequest")
	proto.RegisterType((*ListSessionsResponse)(nil), "google.spanner.v1.ListSessionsResponse")
	proto.RegisterType((*DeleteSessionRequest)(nil), "google.spanner.v1.DeleteSessionRequest")
	proto.RegisterType((*ExecuteSqlRequest)(nil), "google.spanner.v1.ExecuteSqlRequest")
	proto.RegisterMapType((map[string]*Type)(nil), "google.spanner.v1.ExecuteSqlRequest.ParamTypesEntry")
	proto.RegisterType((*PartitionOptions)(nil), "google.spanner.v1.PartitionOptions")
	proto.RegisterType((*PartitionQueryRequest)(nil), "google.spanner.v1.PartitionQueryRequest")
	proto.RegisterMapType((map[string]*Type)(nil), "google.spanner.v1.PartitionQueryRequest.ParamTypesEntry")
	proto.RegisterType((*PartitionReadRequest)(nil), "google.spanner.v1.PartitionReadRequest")
	proto.RegisterType((*Partition)(nil), "google.spanner.v1.Partition")
	proto.RegisterType((*PartitionResponse)(nil), "google.spanner.v1.PartitionResponse")
	proto.RegisterType((*ReadRequest)(nil), "google.spanner.v1.ReadRequest")
	proto.RegisterType((*BeginTransactionRequest)(nil), "google.spanner.v1.BeginTransactionRequest")
	proto.RegisterType((*CommitRequest)(nil), "google.spanner.v1.CommitRequest")
	proto.RegisterType((*CommitResponse)(nil), "google.spanner.v1.CommitResponse")
	proto.RegisterType((*RollbackRequest)(nil), "google.spanner.v1.RollbackRequest")
}

// Reference imports to suppress errors if they are not otherwise used.
var _ context.Context
var _ grpc.ClientConn

// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion4

// SpannerClient is the client API for Spanner service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type SpannerClient interface {
	// Creates a new session. A session can be used to perform
	// transactions that read and/or modify data in a Cloud Spanner database.
	// Sessions are meant to be reused for many consecutive
	// transactions.
	//
	// Sessions can only execute one transaction at a time. To execute
	// multiple concurrent read-write/write-only transactions, create
	// multiple sessions. Note that standalone reads and queries use a
	// transaction internally, and count toward the one transaction
	// limit.
	//
	// Cloud Spanner limits the number of sessions that can exist at any given
	// time; thus, it is a good idea to delete idle and/or unneeded sessions.
	// Aside from explicit deletes, Cloud Spanner can delete sessions for which no
	// operations are sent for more than an hour. If a session is deleted,
	// requests to it return `NOT_FOUND`.
	//
	// Idle sessions can be kept alive by sending a trivial SQL query
	// periodically, e.g., `"SELECT 1"`.
	CreateSession(ctx context.Context, in *CreateSessionRequest, opts ...grpc.CallOption) (*Session, error)
	// Gets a session. Returns `NOT_FOUND` if the session does not exist.
	// This is mainly useful for determining whether a session is still
	// alive.
	GetSession(ctx context.Context, in *GetSessionRequest, opts ...grpc.CallOption) (*Session, error)
	// Lists all sessions in a given database.
	ListSessions(ctx context.Context, in *ListSessionsRequest, opts ...grpc.CallOption) (*ListSessionsResponse, error)
	// Ends a session, releasing server resources associated with it.
	DeleteSession(ctx context.Context, in *DeleteSessionRequest, opts ...grpc.CallOption) (*empty.Empty, error)
	// Executes an SQL statement, returning all results in a single reply. This
	// method cannot be used to return a result set larger than 10 MiB;
	// if the query yields more data than that, the query fails with
	// a `FAILED_PRECONDITION` error.
	//
	// Operations inside read-write transactions might return `ABORTED`. If
	// this occurs, the application should restart the transaction from
	// the beginning. See [Transaction][google.spanner.v1.Transaction] for more details.
	//
	// Larger result sets can be fetched in streaming fashion by calling
	// [ExecuteStreamingSql][google.spanner.v1.Spanner.ExecuteStreamingSql] instead.
	ExecuteSql(ctx context.Context, in *ExecuteSqlRequest, opts ...grpc.CallOption) (*ResultSet, error)
	// Like [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql], except returns the result
	// set as a stream. Unlike [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql], there
	// is no limit on the size of the returned result set. However, no
	// individual row in the result set can exceed 100 MiB, and no
	// column value can exceed 10 MiB.
	ExecuteStreamingSql(ctx context.Context, in *ExecuteSqlRequest, opts ...grpc.CallOption) (Spanner_ExecuteStreamingSqlClient, error)
	// Reads rows from the database using key lookups and scans, as a
	// simple key/value style alternative to
	// [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql].  This method cannot be used to
	// return a result set larger than 10 MiB; if the read matches more
	// data than that, the read fails with a `FAILED_PRECONDITION`
	// error.
	//
	// Reads inside read-write transactions might return `ABORTED`. If
	// this occurs, the application should restart the transaction from
	// the beginning. See [Transaction][google.spanner.v1.Transaction] for more details.
	//
	// Larger result sets can be yielded in streaming fashion by calling
	// [StreamingRead][google.spanner.v1.Spanner.StreamingRead] instead.
	Read(ctx context.Context, in *ReadRequest, opts ...grpc.CallOption) (*ResultSet, error)
	// Like [Read][google.spanner.v1.Spanner.Read], except returns the result set as a
	// stream. Unlike [Read][google.spanner.v1.Spanner.Read], there is no limit on the
	// size of the returned result set. However, no individual row in
	// the result set can exceed 100 MiB, and no column value can exceed
	// 10 MiB.
	StreamingRead(ctx context.Context, in *ReadRequest, opts ...grpc.CallOption) (Spanner_StreamingReadClient, error)
	// Begins a new transaction. This step can often be skipped:
	// [Read][google.spanner.v1.Spanner.Read], [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql] and
	// [Commit][google.spanner.v1.Spanner.Commit] can begin a new transaction as a
	// side-effect.
	BeginTransaction(ctx context.Context, in *BeginTransactionRequest, opts ...grpc.CallOption) (*Transaction, error)
	// Commits a transaction. The request includes the mutations to be
	// applied to rows in the database.
	//
	// `Commit` might return an `ABORTED` error. This can occur at any time;
	// commonly, the cause is conflicts with concurrent
	// transactions. However, it can also happen for a variety of other
	// reasons. If `Commit` returns `ABORTED`, the caller should re-attempt
	// the transaction from the beginning, re-using the same session.
	Commit(ctx context.Context, in *CommitRequest, opts ...grpc.CallOption) (*CommitResponse, error)
	// Rolls back a transaction, releasing any locks it holds. It is a good
	// idea to call this for any transaction that includes one or more
	// [Read][google.spanner.v1.Spanner.Read] or [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql] requests and
	// ultimately decides not to commit.
	//
	// `Rollback` returns `OK` if it successfully aborts the transaction, the
	// transaction was already aborted, or the transaction is not
	// found. `Rollback` never returns `ABORTED`.
	Rollback(ctx context.Context, in *RollbackRequest, opts ...grpc.CallOption) (*empty.Empty, error)
	// Creates a set of partition tokens that can be used to execute a query
	// operation in parallel.  Each of the returned partition tokens can be used
	// by [ExecuteStreamingSql][google.spanner.v1.Spanner.ExecuteStreamingSql] to specify a subset
	// of the query result to read.  The same session and read-only transaction
	// must be used by the PartitionQueryRequest used to create the
	// partition tokens and the ExecuteSqlRequests that use the partition tokens.
	//
	// Partition tokens become invalid when the session used to create them
	// is deleted, is idle for too long, begins a new transaction, or becomes too
	// old.  When any of these happen, it is not possible to resume the query, and
	// the whole operation must be restarted from the beginning.
	PartitionQuery(ctx context.Context, in *PartitionQueryRequest, opts ...grpc.CallOption) (*PartitionResponse, error)
	// Creates a set of partition tokens that can be used to execute a read
	// operation in parallel.  Each of the returned partition tokens can be used
	// by [StreamingRead][google.spanner.v1.Spanner.StreamingRead] to specify a subset of the read
	// result to read.  The same session and read-only transaction must be used by
	// the PartitionReadRequest used to create the partition tokens and the
	// ReadRequests that use the partition tokens.  There are no ordering
	// guarantees on rows returned among the returned partition tokens, or even
	// within each individual StreamingRead call issued with a partition_token.
	//
	// Partition tokens become invalid when the session used to create them
	// is deleted, is idle for too long, begins a new transaction, or becomes too
	// old.  When any of these happen, it is not possible to resume the read, and
	// the whole operation must be restarted from the beginning.
	PartitionRead(ctx context.Context, in *PartitionReadRequest, opts ...grpc.CallOption) (*PartitionResponse, error)
}

type spannerClient struct {
	cc *grpc.ClientConn
}

func NewSpannerClient(cc *grpc.ClientConn) SpannerClient {
	return &spannerClient{cc}
}

func (c *spannerClient) CreateSession(ctx context.Context, in *CreateSessionRequest, opts ...grpc.CallOption) (*Session, error) {
	out := new(Session)
	err := c.cc.Invoke(ctx, "/google.spanner.v1.Spanner/CreateSession", in, out, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

func (c *spannerClient) GetSession(ctx context.Context, in *GetSessionRequest, opts ...grpc.CallOption) (*Session, error) {
	out := new(Session)
	err := c.cc.Invoke(ctx, "/google.spanner.v1.Spanner/GetSession", in, out, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

func (c *spannerClient) ListSessions(ctx context.Context, in *ListSessionsRequest, opts ...grpc.CallOption) (*ListSessionsResponse, error) {
	out := new(ListSessionsResponse)
	err := c.cc.Invoke(ctx, "/google.spanner.v1.Spanner/ListSessions", in, out, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

func (c *spannerClient) DeleteSession(ctx context.Context, in *DeleteSessionRequest, opts ...grpc.CallOption) (*empty.Empty, error) {
	out := new(empty.Empty)
	err := c.cc.Invoke(ctx, "/google.spanner.v1.Spanner/DeleteSession", in, out, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

func (c *spannerClient) ExecuteSql(ctx context.Context, in *ExecuteSqlRequest, opts ...grpc.CallOption) (*ResultSet, error) {
	out := new(ResultSet)
	err := c.cc.Invoke(ctx, "/google.spanner.v1.Spanner/ExecuteSql", in, out, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

func (c *spannerClient) ExecuteStreamingSql(ctx context.Context, in *ExecuteSqlRequest, opts ...grpc.CallOption) (Spanner_ExecuteStreamingSqlClient, error) {
	stream, err := c.cc.NewStream(ctx, &_Spanner_serviceDesc.Streams[0], "/google.spanner.v1.Spanner/ExecuteStreamingSql", opts...)
	if err != nil {
		return nil, err
	}
	x := &spannerExecuteStreamingSqlClient{stream}
	if err := x.ClientStream.SendMsg(in); err != nil {
		return nil, err
	}
	if err := x.ClientStream.CloseSend(); err != nil {
		return nil, err
	}
	return x, nil
}

type Spanner_ExecuteStreamingSqlClient interface {
	Recv() (*PartialResultSet, error)
	grpc.ClientStream
}

type spannerExecuteStreamingSqlClient struct {
	grpc.ClientStream
}

func (x *spannerExecuteStreamingSqlClient) Recv() (*PartialResultSet, error) {
	m := new(PartialResultSet)
	if err := x.ClientStream.RecvMsg(m); err != nil {
		return nil, err
	}
	return m, nil
}

func (c *spannerClient) Read(ctx context.Context, in *ReadRequest, opts ...grpc.CallOption) (*ResultSet, error) {
	out := new(ResultSet)
	err := c.cc.Invoke(ctx, "/google.spanner.v1.Spanner/Read", in, out, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

func (c *spannerClient) StreamingRead(ctx context.Context, in *ReadRequest, opts ...grpc.CallOption) (Spanner_StreamingReadClient, error) {
	stream, err := c.cc.NewStream(ctx, &_Spanner_serviceDesc.Streams[1], "/google.spanner.v1.Spanner/StreamingRead", opts...)
	if err != nil {
		return nil, err
	}
	x := &spannerStreamingReadClient{stream}
	if err := x.ClientStream.SendMsg(in); err != nil {
		return nil, err
	}
	if err := x.ClientStream.CloseSend(); err != nil {
		return nil, err
	}
	return x, nil
}

type Spanner_StreamingReadClient interface {
	Recv() (*PartialResultSet, error)
	grpc.ClientStream
}

type spannerStreamingReadClient struct {
	grpc.ClientStream
}

func (x *spannerStreamingReadClient) Recv() (*PartialResultSet, error) {
	m := new(PartialResultSet)
	if err := x.ClientStream.RecvMsg(m); err != nil {
		return nil, err
	}
	return m, nil
}

func (c *spannerClient) BeginTransaction(ctx context.Context, in *BeginTransactionRequest, opts ...grpc.CallOption) (*Transaction, error) {
	out := new(Transaction)
	err := c.cc.Invoke(ctx, "/google.spanner.v1.Spanner/BeginTransaction", in, out, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

func (c *spannerClient) Commit(ctx context.Context, in *CommitRequest, opts ...grpc.CallOption) (*CommitResponse, error) {
	out := new(CommitResponse)
	err := c.cc.Invoke(ctx, "/google.spanner.v1.Spanner/Commit", in, out, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

func (c *spannerClient) Rollback(ctx context.Context, in *RollbackRequest, opts ...grpc.CallOption) (*empty.Empty, error) {
	out := new(empty.Empty)
	err := c.cc.Invoke(ctx, "/google.spanner.v1.Spanner/Rollback", in, out, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

func (c *spannerClient) PartitionQuery(ctx context.Context, in *PartitionQueryRequest, opts ...grpc.CallOption) (*PartitionResponse, error) {
	out := new(PartitionResponse)
	err := c.cc.Invoke(ctx, "/google.spanner.v1.Spanner/PartitionQuery", in, out, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

func (c *spannerClient) PartitionRead(ctx context.Context, in *PartitionReadRequest, opts ...grpc.CallOption) (*PartitionResponse, error) {
	out := new(PartitionResponse)
	err := c.cc.Invoke(ctx, "/google.spanner.v1.Spanner/PartitionRead", in, out, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}

// SpannerServer is the server API for Spanner service.
type SpannerServer interface {
	// Creates a new session. A session can be used to perform
	// transactions that read and/or modify data in a Cloud Spanner database.
	// Sessions are meant to be reused for many consecutive
	// transactions.
	//
	// Sessions can only execute one transaction at a time. To execute
	// multiple concurrent read-write/write-only transactions, create
	// multiple sessions. Note that standalone reads and queries use a
	// transaction internally, and count toward the one transaction
	// limit.
	//
	// Cloud Spanner limits the number of sessions that can exist at any given
	// time; thus, it is a good idea to delete idle and/or unneeded sessions.
	// Aside from explicit deletes, Cloud Spanner can delete sessions for which no
	// operations are sent for more than an hour. If a session is deleted,
	// requests to it return `NOT_FOUND`.
	//
	// Idle sessions can be kept alive by sending a trivial SQL query
	// periodically, e.g., `"SELECT 1"`.
	CreateSession(context.Context, *CreateSessionRequest) (*Session, error)
	// Gets a session. Returns `NOT_FOUND` if the session does not exist.
	// This is mainly useful for determining whether a session is still
	// alive.
	GetSession(context.Context, *GetSessionRequest) (*Session, error)
	// Lists all sessions in a given database.
	ListSessions(context.Context, *ListSessionsRequest) (*ListSessionsResponse, error)
	// Ends a session, releasing server resources associated with it.
	DeleteSession(context.Context, *DeleteSessionRequest) (*empty.Empty, error)
	// Executes an SQL statement, returning all results in a single reply. This
	// method cannot be used to return a result set larger than 10 MiB;
	// if the query yields more data than that, the query fails with
	// a `FAILED_PRECONDITION` error.
	//
	// Operations inside read-write transactions might return `ABORTED`. If
	// this occurs, the application should restart the transaction from
	// the beginning. See [Transaction][google.spanner.v1.Transaction] for more details.
	//
	// Larger result sets can be fetched in streaming fashion by calling
	// [ExecuteStreamingSql][google.spanner.v1.Spanner.ExecuteStreamingSql] instead.
	ExecuteSql(context.Context, *ExecuteSqlRequest) (*ResultSet, error)
	// Like [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql], except returns the result
	// set as a stream. Unlike [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql], there
	// is no limit on the size of the returned result set. However, no
	// individual row in the result set can exceed 100 MiB, and no
	// column value can exceed 10 MiB.
	ExecuteStreamingSql(*ExecuteSqlRequest, Spanner_ExecuteStreamingSqlServer) error
	// Reads rows from the database using key lookups and scans, as a
	// simple key/value style alternative to
	// [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql].  This method cannot be used to
	// return a result set larger than 10 MiB; if the read matches more
	// data than that, the read fails with a `FAILED_PRECONDITION`
	// error.
	//
	// Reads inside read-write transactions might return `ABORTED`. If
	// this occurs, the application should restart the transaction from
	// the beginning. See [Transaction][google.spanner.v1.Transaction] for more details.
	//
	// Larger result sets can be yielded in streaming fashion by calling
	// [StreamingRead][google.spanner.v1.Spanner.StreamingRead] instead.
	Read(context.Context, *ReadRequest) (*ResultSet, error)
	// Like [Read][google.spanner.v1.Spanner.Read], except returns the result set as a
	// stream. Unlike [Read][google.spanner.v1.Spanner.Read], there is no limit on the
	// size of the returned result set. However, no individual row in
	// the result set can exceed 100 MiB, and no column value can exceed
	// 10 MiB.
	StreamingRead(*ReadRequest, Spanner_StreamingReadServer) error
	// Begins a new transaction. This step can often be skipped:
	// [Read][google.spanner.v1.Spanner.Read], [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql] and
	// [Commit][google.spanner.v1.Spanner.Commit] can begin a new transaction as a
	// side-effect.
	BeginTransaction(context.Context, *BeginTransactionRequest) (*Transaction, error)
	// Commits a transaction. The request includes the mutations to be
	// applied to rows in the database.
	//
	// `Commit` might return an `ABORTED` error. This can occur at any time;
	// commonly, the cause is conflicts with concurrent
	// transactions. However, it can also happen for a variety of other
	// reasons. If `Commit` returns `ABORTED`, the caller should re-attempt
	// the transaction from the beginning, re-using the same session.
	Commit(context.Context, *CommitRequest) (*CommitResponse, error)
	// Rolls back a transaction, releasing any locks it holds. It is a good
	// idea to call this for any transaction that includes one or more
	// [Read][google.spanner.v1.Spanner.Read] or [ExecuteSql][google.spanner.v1.Spanner.ExecuteSql] requests and
	// ultimately decides not to commit.
	//
	// `Rollback` returns `OK` if it successfully aborts the transaction, the
	// transaction was already aborted, or the transaction is not
	// found. `Rollback` never returns `ABORTED`.
	Rollback(context.Context, *RollbackRequest) (*empty.Empty, error)
	// Creates a set of partition tokens that can be used to execute a query
	// operation in parallel.  Each of the returned partition tokens can be used
	// by [ExecuteStreamingSql][google.spanner.v1.Spanner.ExecuteStreamingSql] to specify a subset
	// of the query result to read.  The same session and read-only transaction
	// must be used by the PartitionQueryRequest used to create the
	// partition tokens and the ExecuteSqlRequests that use the partition tokens.
	//
	// Partition tokens become invalid when the session used to create them
	// is deleted, is idle for too long, begins a new transaction, or becomes too
	// old.  When any of these happen, it is not possible to resume the query, and
	// the whole operation must be restarted from the beginning.
	PartitionQuery(context.Context, *PartitionQueryRequest) (*PartitionResponse, error)
	// Creates a set of partition tokens that can be used to execute a read
	// operation in parallel.  Each of the returned partition tokens can be used
	// by [StreamingRead][google.spanner.v1.Spanner.StreamingRead] to specify a subset of the read
	// result to read.  The same session and read-only transaction must be used by
	// the PartitionReadRequest used to create the partition tokens and the
	// ReadRequests that use the partition tokens.  There are no ordering
	// guarantees on rows returned among the returned partition tokens, or even
	// within each individual StreamingRead call issued with a partition_token.
	//
	// Partition tokens become invalid when the session used to create them
	// is deleted, is idle for too long, begins a new transaction, or becomes too
	// old.  When any of these happen, it is not possible to resume the read, and
	// the whole operation must be restarted from the beginning.
	PartitionRead(context.Context, *PartitionReadRequest) (*PartitionResponse, error)
}

func RegisterSpannerServer(s *grpc.Server, srv SpannerServer) {
	s.RegisterService(&_Spanner_serviceDesc, srv)
}

func _Spanner_CreateSession_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(CreateSessionRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(SpannerServer).CreateSession(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: "/google.spanner.v1.Spanner/CreateSession",
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(SpannerServer).CreateSession(ctx, req.(*CreateSessionRequest))
	}
	return interceptor(ctx, in, info, handler)
}

func _Spanner_GetSession_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(GetSessionRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(SpannerServer).GetSession(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: "/google.spanner.v1.Spanner/GetSession",
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(SpannerServer).GetSession(ctx, req.(*GetSessionRequest))
	}
	return interceptor(ctx, in, info, handler)
}

func _Spanner_ListSessions_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(ListSessionsRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(SpannerServer).ListSessions(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: "/google.spanner.v1.Spanner/ListSessions",
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(SpannerServer).ListSessions(ctx, req.(*ListSessionsRequest))
	}
	return interceptor(ctx, in, info, handler)
}

func _Spanner_DeleteSession_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(DeleteSessionRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(SpannerServer).DeleteSession(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: "/google.spanner.v1.Spanner/DeleteSession",
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(SpannerServer).DeleteSession(ctx, req.(*DeleteSessionRequest))
	}
	return interceptor(ctx, in, info, handler)
}

func _Spanner_ExecuteSql_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(ExecuteSqlRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(SpannerServer).ExecuteSql(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: "/google.spanner.v1.Spanner/ExecuteSql",
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(SpannerServer).ExecuteSql(ctx, req.(*ExecuteSqlRequest))
	}
	return interceptor(ctx, in, info, handler)
}

func _Spanner_ExecuteStreamingSql_Handler(srv interface{}, stream grpc.ServerStream) error {
	m := new(ExecuteSqlRequest)
	if err := stream.RecvMsg(m); err != nil {
		return err
	}
	return srv.(SpannerServer).ExecuteStreamingSql(m, &spannerExecuteStreamingSqlServer{stream})
}

type Spanner_ExecuteStreamingSqlServer interface {
	Send(*PartialResultSet) error
	grpc.ServerStream
}

type spannerExecuteStreamingSqlServer struct {
	grpc.ServerStream
}

func (x *spannerExecuteStreamingSqlServer) Send(m *PartialResultSet) error {
	return x.ServerStream.SendMsg(m)
}

func _Spanner_Read_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(ReadRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(SpannerServer).Read(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: "/google.spanner.v1.Spanner/Read",
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(SpannerServer).Read(ctx, req.(*ReadRequest))
	}
	return interceptor(ctx, in, info, handler)
}

func _Spanner_StreamingRead_Handler(srv interface{}, stream grpc.ServerStream) error {
	m := new(ReadRequest)
	if err := stream.RecvMsg(m); err != nil {
		return err
	}
	return srv.(SpannerServer).StreamingRead(m, &spannerStreamingReadServer{stream})
}

type Spanner_StreamingReadServer interface {
	Send(*PartialResultSet) error
	grpc.ServerStream
}

type spannerStreamingReadServer struct {
	grpc.ServerStream
}

func (x *spannerStreamingReadServer) Send(m *PartialResultSet) error {
	return x.ServerStream.SendMsg(m)
}

func _Spanner_BeginTransaction_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(BeginTransactionRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(SpannerServer).BeginTransaction(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: "/google.spanner.v1.Spanner/BeginTransaction",
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(SpannerServer).BeginTransaction(ctx, req.(*BeginTransactionRequest))
	}
	return interceptor(ctx, in, info, handler)
}

func _Spanner_Commit_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(CommitRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(SpannerServer).Commit(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: "/google.spanner.v1.Spanner/Commit",
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(SpannerServer).Commit(ctx, req.(*CommitRequest))
	}
	return interceptor(ctx, in, info, handler)
}

func _Spanner_Rollback_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(RollbackRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(SpannerServer).Rollback(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: "/google.spanner.v1.Spanner/Rollback",
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(SpannerServer).Rollback(ctx, req.(*RollbackRequest))
	}
	return interceptor(ctx, in, info, handler)
}

func _Spanner_PartitionQuery_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(PartitionQueryRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(SpannerServer).PartitionQuery(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: "/google.spanner.v1.Spanner/PartitionQuery",
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(SpannerServer).PartitionQuery(ctx, req.(*PartitionQueryRequest))
	}
	return interceptor(ctx, in, info, handler)
}

func _Spanner_PartitionRead_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
	in := new(PartitionReadRequest)
	if err := dec(in); err != nil {
		return nil, err
	}
	if interceptor == nil {
		return srv.(SpannerServer).PartitionRead(ctx, in)
	}
	info := &grpc.UnaryServerInfo{
		Server:     srv,
		FullMethod: "/google.spanner.v1.Spanner/PartitionRead",
	}
	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
		return srv.(SpannerServer).PartitionRead(ctx, req.(*PartitionReadRequest))
	}
	return interceptor(ctx, in, info, handler)
}

var _Spanner_serviceDesc = grpc.ServiceDesc{
	ServiceName: "google.spanner.v1.Spanner",
	HandlerType: (*SpannerServer)(nil),
	Methods: []grpc.MethodDesc{
		{
			MethodName: "CreateSession",
			Handler:    _Spanner_CreateSession_Handler,
		},
		{
			MethodName: "GetSession",
			Handler:    _Spanner_GetSession_Handler,
		},
		{
			MethodName: "ListSessions",
			Handler:    _Spanner_ListSessions_Handler,
		},
		{
			MethodName: "DeleteSession",
			Handler:    _Spanner_DeleteSession_Handler,
		},
		{
			MethodName: "ExecuteSql",
			Handler:    _Spanner_ExecuteSql_Handler,
		},
		{
			MethodName: "Read",
			Handler:    _Spanner_Read_Handler,
		},
		{
			MethodName: "BeginTransaction",
			Handler:    _Spanner_BeginTransaction_Handler,
		},
		{
			MethodName: "Commit",
			Handler:    _Spanner_Commit_Handler,
		},
		{
			MethodName: "Rollback",
			Handler:    _Spanner_Rollback_Handler,
		},
		{
			MethodName: "PartitionQuery",
			Handler:    _Spanner_PartitionQuery_Handler,
		},
		{
			MethodName: "PartitionRead",
			Handler:    _Spanner_PartitionRead_Handler,
		},
	},
	Streams: []grpc.StreamDesc{
		{
			StreamName:    "ExecuteStreamingSql",
			Handler:       _Spanner_ExecuteStreamingSql_Handler,
			ServerStreams: true,
		},
		{
			StreamName:    "StreamingRead",
			Handler:       _Spanner_StreamingRead_Handler,
			ServerStreams: true,
		},
	},
	Metadata: "google/spanner/v1/spanner.proto",
}

func init() { proto.RegisterFile("google/spanner/v1/spanner.proto", fileDescriptor_a420fdbb92791b07) }

var fileDescriptor_a420fdbb92791b07 = []byte{
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