v1

package
v1.0.0-alpha.19 Latest Latest
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 Go to latest Published: Jun 8, 2022 License: Apache-2.0 Imports: 35 Imported by: 0

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Constants

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const (
	InsertedStatus string = "inserted"
	ReplacedStatus string = "replaced"
	UpdatedStatus  string = "updated"
	DeletedStatus  string = "deleted"
	CreatedStatus  string = "created"
	DroppedStatus  string = "dropped"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type BaseQueryRunner 

type BaseQueryRunner struct {
	// contains filtered or unexported fields
}

func NewBaseQueryRunner 

func NewBaseQueryRunner(encoder metadata.Encoder, cdcMgr *cdc.Manager, txMgr *transaction.Manager) *BaseQueryRunner

func (*BaseQueryRunner) GetCollections 

func (runner *BaseQueryRunner) GetCollections(db *metadata.Database, collName string) (*schema.DefaultCollection, error)

func (*BaseQueryRunner) GetDatabase 

func (runner *BaseQueryRunner) GetDatabase(ctx context.Context, tx transaction.Tx, tenant *metadata.Tenant, dbName string) (*metadata.Database, error)

type CollectionQueryRunner 

type CollectionQueryRunner struct {
	*BaseQueryRunner
	// contains filtered or unexported fields
}

func (*CollectionQueryRunner) Run 

func (runner *CollectionQueryRunner) Run(ctx context.Context, tx transaction.Tx, tenant *metadata.Tenant) (*Response, context.Context, error)

func (*CollectionQueryRunner) SetCreateOrUpdateCollectionReq 

func (runner *CollectionQueryRunner) SetCreateOrUpdateCollectionReq(create *api.CreateOrUpdateCollectionRequest)

func (*CollectionQueryRunner) SetDescribeCollectionReq 

func (runner *CollectionQueryRunner) SetDescribeCollectionReq(describe *api.DescribeCollectionRequest)

func (*CollectionQueryRunner) SetDropCollectionReq 

func (runner *CollectionQueryRunner) SetDropCollectionReq(drop *api.DropCollectionRequest)

func (*CollectionQueryRunner) SetListCollectionReq 

func (runner *CollectionQueryRunner) SetListCollectionReq(list *api.ListCollectionsRequest)

type ContentType 

type ContentType string
const (
	JSON ContentType = "application/json"
)

type DatabaseQueryRunner 

type DatabaseQueryRunner struct {
	*BaseQueryRunner
	// contains filtered or unexported fields
}

func (*DatabaseQueryRunner) Run 

func (runner *DatabaseQueryRunner) Run(ctx context.Context, tx transaction.Tx, tenant *metadata.Tenant) (*Response, context.Context, error)

func (*DatabaseQueryRunner) SetCreateDatabaseReq 

func (runner *DatabaseQueryRunner) SetCreateDatabaseReq(create *api.CreateDatabaseRequest)

func (*DatabaseQueryRunner) SetDescribeDatabaseReq 

func (runner *DatabaseQueryRunner) SetDescribeDatabaseReq(describe *api.DescribeDatabaseRequest)

func (*DatabaseQueryRunner) SetDropDatabaseReq 

func (runner *DatabaseQueryRunner) SetDropDatabaseReq(drop *api.DropDatabaseRequest)

func (*DatabaseQueryRunner) SetListDatabaseReq 

func (runner *DatabaseQueryRunner) SetListDatabaseReq(list *api.ListDatabasesRequest)

type DeleteQueryRunner 

type DeleteQueryRunner struct {
	*BaseQueryRunner
	// contains filtered or unexported fields
}

func (*DeleteQueryRunner) Run 

func (runner *DeleteQueryRunner) Run(ctx context.Context, tx transaction.Tx, tenant *metadata.Tenant) (*Response, context.Context, error)

type InsertQueryRunner 

type InsertQueryRunner struct {
	*BaseQueryRunner
	// contains filtered or unexported fields
}

func (*InsertQueryRunner) Run 

func (runner *InsertQueryRunner) Run(ctx context.Context, tx transaction.Tx, tenant *metadata.Tenant) (*Response, context.Context, error)

type NoopTxListener 

type NoopTxListener struct{}

func (*NoopTxListener) OnPostCommit 

func (l *NoopTxListener) OnPostCommit(context.Context, kv.EventListener) error

func (*NoopTxListener) OnPreCommit 

func (l *NoopTxListener) OnPreCommit(context.Context, transaction.Tx, kv.EventListener) error

func (*NoopTxListener) OnRollback 

func (l *NoopTxListener) OnRollback(context.Context, kv.EventListener)

type QueryRunner 

type QueryRunner interface {
	Run(ctx context.Context, tx transaction.Tx, tenant *metadata.Tenant) (*Response, context.Context, error)
}

QueryRunner is responsible for executing the current query and return the response

type QueryRunnerFactory 

type QueryRunnerFactory struct {
	// contains filtered or unexported fields
}

QueryRunnerFactory is responsible for creating query runners for different queries

func NewQueryRunnerFactory 

func NewQueryRunnerFactory(txMgr *transaction.Manager, encoder metadata.Encoder, cdcMgr *cdc.Manager) *QueryRunnerFactory

NewQueryRunnerFactory returns QueryRunnerFactory object

func (*QueryRunnerFactory) GetCollectionQueryRunner 

func (f *QueryRunnerFactory) GetCollectionQueryRunner() *CollectionQueryRunner

func (*QueryRunnerFactory) GetDatabaseQueryRunner 

func (f *QueryRunnerFactory) GetDatabaseQueryRunner() *DatabaseQueryRunner

func (*QueryRunnerFactory) GetDeleteQueryRunner 

func (f *QueryRunnerFactory) GetDeleteQueryRunner(r *api.DeleteRequest) *DeleteQueryRunner

func (*QueryRunnerFactory) GetInsertQueryRunner 

func (f *QueryRunnerFactory) GetInsertQueryRunner(r *api.InsertRequest) *InsertQueryRunner

func (*QueryRunnerFactory) GetReplaceQueryRunner 

func (f *QueryRunnerFactory) GetReplaceQueryRunner(r *api.ReplaceRequest) *ReplaceQueryRunner

func (*QueryRunnerFactory) GetStreamingQueryRunner 

func (f *QueryRunnerFactory) GetStreamingQueryRunner(r *api.ReadRequest, streaming Streaming) *StreamingQueryRunner

GetStreamingQueryRunner returns StreamingQueryRunner

func (*QueryRunnerFactory) GetUpdateQueryRunner 

func (f *QueryRunnerFactory) GetUpdateQueryRunner(r *api.UpdateRequest) *UpdateQueryRunner

type QuerySession 

type QuerySession struct {
	// contains filtered or unexported fields
}

func (*QuerySession) Commit 

func (s *QuerySession) Commit(versionMgr *metadata.VersionHandler, incVersion bool, err error) error

func (*QuerySession) Rollback 

func (s *QuerySession) Rollback() error

func (*QuerySession) Run 

func (s *QuerySession) Run(runner QueryRunner) (*Response, context.Context, error)

type ReplaceQueryRunner 

type ReplaceQueryRunner struct {
	*BaseQueryRunner
	// contains filtered or unexported fields
}

func (*ReplaceQueryRunner) Run 

func (runner *ReplaceQueryRunner) Run(ctx context.Context, tx transaction.Tx, tenant *metadata.Tenant) (*Response, context.Context, error)

type ReqOptions 

type ReqOptions struct {
	// contains filtered or unexported fields
}

ReqOptions are options used by queryLifecycle to execute a query

type Response 

type Response struct {
	api.Response
	// contains filtered or unexported fields
}

Response is a wrapper on api.Response

type Service 

type Service interface {
	RegisterHTTP(router chi.Router, inproc *inprocgrpc.Channel) error
	RegisterGRPC(grpc *grpc.Server) error
}

func GetRegisteredServices 

func GetRegisteredServices(kvStore kv.KeyValueStore) []Service

type SessionManager 

type SessionManager struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

SessionManager is used to manage all the explicit query sessions. The execute method is executing the query. The method uses the txCtx to understand whether the query is already started(explicit transaction) if not then it will create a QuerySession and then will execute the query. For explicit transaction, Begin/Commit/Rollback is creating/storing/removing the QuerySession.

func NewSessionManager 

func NewSessionManager(txMgr *transaction.Manager, tenantMgr *metadata.TenantManager, versionH *metadata.VersionHandler, cdc *cdc.Manager) *SessionManager

func (*SessionManager) Create 

func (sessMgr *SessionManager) Create(ctx context.Context, reloadVerOutside bool, track bool) (*QuerySession, error)

Create returns the QuerySession after creating all the necessary elements that a query execution needs. It first creates or get a tenant, read the metadata version and based on that reload the tenant cache and then finally create a transaction which will be used to execute all the query in this session.

func (*SessionManager) Execute 

func (sessMgr *SessionManager) Execute(ctx context.Context, req *ReqOptions) (*Response, error)

Execute is responsible to execute a query. In a way this method is managing the lifecycle of a query. For implicit transaction everything is done in this method. For explicit transaction, a session may already exist, so it only needs to run without calling Commit/Rollback.

func (*SessionManager) Get 

func (sessMgr *SessionManager) Get(id string) *QuerySession

func (*SessionManager) Remove 

func (sessMgr *SessionManager) Remove(id string)

type Streaming 

type Streaming interface {
	api.Tigris_ReadServer
}

Streaming is a wrapper interface for passing around for streaming reads

type StreamingQueryRunner 

type StreamingQueryRunner struct {
	*BaseQueryRunner
	// contains filtered or unexported fields
}

StreamingQueryRunner is a runner used for Queries that are reads and needs to return result in streaming fashion

func (*StreamingQueryRunner) Run 

func (runner *StreamingQueryRunner) Run(ctx context.Context, tx transaction.Tx, tenant *metadata.Tenant) (*Response, context.Context, error)

Run is responsible for running/executing the query

type TxListener 

type TxListener interface {
	// OnPreCommit is called before committing the transaction. This means this method is useful when an operation needs
	// to guarantee transaction atomicity. Error returned by this method will roll back the user transaction.
	OnPreCommit(context.Context, transaction.Tx, kv.EventListener) error
	// OnPostCommit is called after committing the transaction. This means the transaction is complete and any post
	// activity can happen as part of this implementation.
	OnPostCommit(context.Context, kv.EventListener) error
	// OnRollback is called when the user transaction is rolled back.
	OnRollback(context.Context, kv.EventListener)
}

TxListener allows listening to a transaction outcome and process the events that is passed in the param accordingly.

type UpdateQueryRunner 

type UpdateQueryRunner struct {
	*BaseQueryRunner
	// contains filtered or unexported fields
}

func (*UpdateQueryRunner) Run 

func (runner *UpdateQueryRunner) Run(ctx context.Context, tx transaction.Tx, tenant *metadata.Tenant) (*Response, context.Context, error)

Source Files

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