query

package

v0.473.4 Latest Latest Go to latest Published: Apr 4, 2025 License: Apache-2.0 Imports: 22 Imported by: 0

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github.com/block/ftl

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Documentation ¶

Index ¶

type DB
type Service
- func New(ctx context.Context, module *schema.Module, ...) (*Service, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type DB ¶

type DB interface {
	QueryContext(ctx context.Context, query string, args ...any) (*sql.Rows, error)
	QueryRowContext(ctx context.Context, query string, args ...any) *sql.Row
	ExecContext(ctx context.Context, query string, args ...any) (sql.Result, error)
}

DB represents a database that can execute queries

type Service ¶

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

Service proxies query requests to multiple database instances

func New ¶

func New(ctx context.Context, module *schema.Module, addresses *xsync.MapOf[string, string]) (*Service, error)

func (*Service) AddQueryConn ¶ added in v0.471.0

func (s *Service) AddQueryConn(ctx context.Context, name string, dsn deploymentcontext.Database) error

func (*Service) BeginTransaction ¶

func (s *Service) BeginTransaction(ctx context.Context, req *connect.Request[querypb.BeginTransactionRequest]) (*connect.Response[querypb.BeginTransactionResponse], error)

func (*Service) Close ¶

func (s *Service) Close() error

func (*Service) CommitTransaction ¶

func (s *Service) CommitTransaction(ctx context.Context, req *connect.Request[querypb.CommitTransactionRequest]) (*connect.Response[querypb.CommitTransactionResponse], error)

func (*Service) ExecuteQuery ¶

func (s *Service) ExecuteQuery(ctx context.Context, req *connect.Request[querypb.ExecuteQueryRequest], stream *connect.ServerStream[querypb.ExecuteQueryResponse]) error

func (*Service) ExecuteQueryInternal ¶ added in v0.471.0

func (s *Service) ExecuteQueryInternal(ctx context.Context, req *connect.Request[querypb.ExecuteQueryRequest], stream serverStream) error

func (*Service) Ping ¶

func (s *Service) Ping(ctx context.Context, req *connect.Request[ftlv1.PingRequest]) (*connect.Response[ftlv1.PingResponse], error)

func (*Service) RollbackTransaction ¶

func (s *Service) RollbackTransaction(ctx context.Context, req *connect.Request[querypb.RollbackTransactionRequest]) (*connect.Response[querypb.RollbackTransactionResponse], error)

func (*Service) UpdateConnections ¶ added in v0.464.0

func (s *Service) UpdateConnections(ctx context.Context, module *schema.Module, addresses *xsync.MapOf[string, string]) error

UpdateConnections updates the connections based on a new module and addresses during hot reloading. It fails if any database has configuration or connection issues.

Source Files ¶

View all Source files

service.go

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