ydb

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Published: Mar 7, 2023 License: Apache-2.0 Imports: 58 Imported by: 86

README

ydb-go-sdk - pure Go native and database/sql driver for YDB

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Supports table, discovery, coordination, ratelimiter, scheme, scripting and topic clients for YDB. YDB is an open-source Distributed SQL Database that combines high availability and scalability with strict consistency and ACID transactions. YDB was created primarily for OLTP workloads and supports some OLAP scenarious.

Installation

go get -u github.com/ydb-platform/ydb-go-sdk/v3

Example Usage

  • connect to YDB
db, err := ydb.Open(ctx, "grpcs://localhost:2135/local")
if err != nil {
    log.Fatal(err)
}
  • execute SELECT query
const query = `SELECT 42 as id, "myStr" as myStr;`

// Do retry operation on errors with best effort
queryErr := db.Table().Do(ctx, func(ctx context.Context, s table.Session) (err error) {
   _, res, err := s.Execute(ctx, table.DefaultTxControl(), query, nil)
   if err != nil {
       return err
   }
   defer res.Close()
   if err = res.NextResultSetErr(ctx); err != nil {
       return err
   }
   for res.NextRow() {
       var id    int32
       var myStr string
       err = res.ScanNamed(named.Required("id", &id),named.OptionalWithDefault("myStr", &myStr))
       if err != nil {
           log.Fatal(err)
       }
       log.Printf("id=%v, myStr='%s'\n", id, myStr)
   }
   return res.Err() // for driver retry if not nil
})
if queryErr != nil {
   log.Fatal(queryErr)
}
  • usage with database/sql (see additional docs in SQL.md )
import (
    "context"
    "database/sql"
    "log"

    _ "github.com/ydb-platform/ydb-go-sdk/v3"
)

...

db, err := sql.Open("ydb", "grpcs://localhost:2135/local")
if err != nil {
    log.Fatal(err)
}
defer db.Close() // cleanup resources
var (
    id    int32
    myStr string
)
row := db.QueryRowContext(context.TODO(), `SELECT 42 as id, "my string" as myStr`)
if err = row.Scan(&id, &myStr); err != nil {
    log.Printf("select failed: %v", err)
    return
}
log.Printf("id = %d, myStr = \"%s\"", id, myStr)

More examples of usage placed in examples repository.

Credentials

Driver implements several ways for making credentials for YDB:

  • ydb.WithAnonymousCredentials() (enabled by default unless otherwise specified)
  • ydb.WithAccessTokenCredentials("token")
  • ydb.WithStaticCredentials("user", "password"),
  • as part of connection string, like as grpcs://user:password@endpoint/database

Another variants of credentials.Credentials object provides with external packages:

Package Type Description Link of example usage
ydb-go-yc credentials credentials provider for Yandex.Cloud yc.WithServiceAccountKeyFileCredentials yc.WithInternalCA yc.WithMetadataCredentials
ydb-go-yc-metadata credentials metadata credentials provider for Yandex.Cloud yc.WithInternalCA yc.WithCredentials
ydb-go-sdk-auth-environ credentials create credentials from environ ydbEnviron.WithEnvironCredentials

Ecosystem of debug tools over ydb-go-sdk

Package ydb-go-sdk provide debugging over trace events in package trace. Next packages provide debug tooling:

Package Type Description Link of example usage
ydb-go-sdk-zap logging logging ydb-go-sdk events with zap package ydbZap.WithTraces
ydb-go-sdk-zerolog logging logging ydb-go-sdk events with zerolog package ydbZerolog.WithTraces
ydb-go-sdk-metrics metrics common metrics of ydb-go-sdk. Package declare interfaces such as Registry, GaugeVec and Gauge and use it for traces
ydb-go-sdk-prometheus metrics prometheus wrapper over ydb-go-sdk-metrics ydbPrometheus.WithTraces
ydb-go-sdk-opentracing tracing OpenTracing plugin for trace internal ydb-go-sdk calls ydbOpentracing.WithTraces
ydb-go-sdk-otel tracing OpenTelemetry plugin for trace internal ydb-go-sdk calls ydbOtel.WithTraces

Environment variables

ydb-go-sdk supports next environment variables which redefines default behavior of driver

Name Type Default Description
YDB_SSL_ROOT_CERTIFICATES_FILE string path to certificates file
YDB_LOG_SEVERITY_LEVEL string quiet severity logging level of internal driver logger. Supported: trace, debug, info, warn, error, fatal, quiet
YDB_LOG_DETAILS string .* regexp for lookup internal logger logs
GRPC_GO_LOG_VERBOSITY_LEVEL integer set to 99 to see grpc logs
GRPC_GO_LOG_SEVERITY_LEVEL string set to info to see grpc logs

Documentation

Overview

Example (DatabaseSQL)
package main

import (
	"context"
	"database/sql"
	"log"

	"github.com/ydb-platform/ydb-go-sdk/v3/retry"
)

func main() {
	db, err := sql.Open("ydb", "grpcs://localhost:2135/local")
	if err != nil {
		log.Fatal(err)
	}
	defer func() { _ = db.Close() }() // cleanup resources

	var (
		query = `SELECT 42 as id, "my string" as myStr`
		id    int32  // required value
		myStr string // optional value
	)
	err = retry.DoTx(context.TODO(), db, func(ctx context.Context, tx *sql.Tx) error {
		row := tx.QueryRowContext(ctx, query)
		if err = row.Scan(&id, &myStr); err != nil {
			return err
		}
		log.Printf("id=%v, myStr='%s'\n", id, myStr)
		return nil
	}, retry.WithDoTxRetryOptions(retry.WithIdempotent(true)))
	if err != nil {
		log.Printf("query failed: %v", err)
	}
}
Output:

Example (Discovery)
ctx := context.TODO()
db, err := ydb.Open(ctx, "grpcs://localhost:2135/local")
if err != nil {
	fmt.Printf("failed to connect: %v", err)
	return
}
defer db.Close(ctx) // cleanup resources
endpoints, err := db.Discovery().Discover(ctx)
if err != nil {
	fmt.Printf("discover failed: %v", err)
	return
}
fmt.Printf("%s endpoints:\n", db.Name())
for i, e := range endpoints {
	fmt.Printf("%d) %s\n", i, e.String())
}
Output:

Example (Scripting)
ctx := context.TODO()
db, err := ydb.Open(ctx, "grpcs://localhost:2135/local")
if err != nil {
	fmt.Printf("failed to connect: %v", err)
	return
}
defer db.Close(ctx) // cleanup resources
if err = retry.Retry(ctx, func(ctx context.Context) (err error) {
	res, err := db.Scripting().Execute(
		ctx,
		"SELECT 1+1",
		table.NewQueryParameters(),
	)
	if err != nil {
		return err
	}
	defer res.Close() // cleanup resources
	if !res.NextResultSet(ctx) {
		return retry.RetryableError(
			fmt.Errorf("no result sets"),
			retry.WithBackoff(retry.TypeNoBackoff),
		)
	}
	if !res.NextRow() {
		return retry.RetryableError(
			fmt.Errorf("no rows"),
			retry.WithBackoff(retry.TypeSlowBackoff),
		)
	}
	var sum int32
	if err = res.Scan(&sum); err != nil {
		return fmt.Errorf("scan failed: %w", err)
	}
	if sum != 2 {
		return fmt.Errorf("unexpected sum: %v", sum)
	}
	return res.Err()
}, retry.WithIdempotent(true)); err != nil {
	fmt.Printf("Execute failed: %v", err)
}
Output:

Example (Table)
ctx := context.TODO()
db, err := ydb.Open(ctx, "grpcs://localhost:2135/local")
if err != nil {
	log.Fatal(err)
}
defer db.Close(ctx) // cleanup resources
var (
	query = `SELECT 42 as id, "my string" as myStr`
	id    int32  // required value
	myStr string // optional value
)
err = db.Table().Do( // Do retry operation on errors with best effort
	ctx, // context manage exiting from Do
	func(ctx context.Context, s table.Session) (err error) { // retry operation
		_, res, err := s.Execute(ctx, table.DefaultTxControl(), query, nil)
		if err != nil {
			return err // for auto-retry with driver
		}
		defer res.Close()                                // cleanup resources
		if err = res.NextResultSetErr(ctx); err != nil { // check single result set and switch to it
			return err // for auto-retry with driver
		}
		for res.NextRow() { // iterate over rows
			err = res.ScanNamed(
				named.Required("id", &id),
				named.OptionalWithDefault("myStr", &myStr),
			)
			if err != nil {
				return err // generally scan error not retryable, return it for driver check error
			}
			log.Printf("id=%v, myStr='%s'\n", id, myStr)
		}
		return res.Err() // return finally result error for auto-retry with driver
	},
	table.WithIdempotent(),
)
if err != nil {
	log.Printf("unexpected error: %v", err)
}
Output:

Example (Topic)
ctx := context.TODO()
db, err := ydb.Open(ctx, "grpcs://localhost:2135/local")
if err != nil {
	fmt.Printf("failed connect: %v", err)
	return
}
defer db.Close(ctx) // cleanup resources

reader, err := db.Topic().StartReader("consumer", topicoptions.ReadTopic("/topic/path"))
if err != nil {
	fmt.Printf("failed start reader: %v", err)
	return
}

for {
	mess, err := reader.ReadMessage(ctx)
	if err != nil {
		fmt.Printf("failed start reader: %v", err)
		return
	}

	content, err := ioutil.ReadAll(mess)
	if err != nil {
		fmt.Printf("failed start reader: %v", err)
		return
	}
	fmt.Println(string(content))
}
Output:

Index

Examples

Constants

View Source
const (
	DataQueryMode      = xsql.DataQueryMode
	ExplainQueryMode   = xsql.ExplainQueryMode
	ScanQueryMode      = xsql.ScanQueryMode
	SchemeQueryMode    = xsql.SchemeQueryMode
	ScriptingQueryMode = xsql.ScriptingQueryMode
)
View Source
const Version = meta.Version

Version reports current version of sdk

Variables

This section is empty.

Functions

func Connector added in v3.33.0

func Connector(db Connection, opts ...ConnectorOption) (*xsql.Connector, error)

func GRPCConn added in v3.25.0

func GRPCConn(conn Connection) grpc.ClientConnInterface

GRPCConn casts ydb.Connection to grpc.ClientConnInterface for executing unary and streaming RPC over internal driver balancer.

Warning: for connect to driver-unsupported YDB services

func IsOperationError

func IsOperationError(err error, codes ...Ydb.StatusIds_StatusCode) bool

IsOperationError reports whether any error is an operation error with one of passed codes. If codes not defined IsOperationError returns true on error is an operation error.

func IsOperationErrorAlreadyExistsError added in v3.5.0

func IsOperationErrorAlreadyExistsError(err error) bool

IsOperationErrorAlreadyExistsError checks whether given err is an operation error with code AlreadyExistsError

func IsOperationErrorNotFoundError added in v3.5.0

func IsOperationErrorNotFoundError(err error) bool

IsOperationErrorNotFoundError checks whether given err is an operation error with code NotFoundError

func IsOperationErrorOverloaded added in v3.5.0

func IsOperationErrorOverloaded(err error) bool

IsOperationErrorOverloaded checks whether given err is an operation error with code Overloaded

func IsOperationErrorSchemeError added in v3.5.0

func IsOperationErrorSchemeError(err error) bool

IsOperationErrorSchemeError checks whether given err is an operation error with code SchemeError

func IsOperationErrorUnavailable added in v3.5.0

func IsOperationErrorUnavailable(err error) bool

IsOperationErrorUnavailable checks whether given err is an operation error with code Unavailable

func IsRatelimiterAcquireError added in v3.11.0

func IsRatelimiterAcquireError(err error) bool

IsRatelimiterAcquireError checks whether given err is an ratelimiter acquire error

func IsTimeoutError

func IsTimeoutError(err error) bool

IsTimeoutError checks whether given err is a some timeout error (context, transport or operation).

func IsTransportError

func IsTransportError(err error, codes ...grpcCodes.Code) bool

IsTransportError checks whether given err is a transport (grpc) error.

func IsYdbError added in v3.4.2

func IsYdbError(err error) bool

IsYdbError reports when given error is and ydb error (transport, operation or internal driver error)

func IterateByIssues

func IterateByIssues(err error, it func(message string, code Ydb.StatusIds_StatusCode, severity uint32))

IterateByIssues helps to iterate over internal issues of operation error.

func ToRatelimiterAcquireError added in v3.11.0

func ToRatelimiterAcquireError(err error) ratelimiter.AcquireError

ToRatelimiterAcquireError casts given err to ratelimiter.AcquireError. If given err is not ratelimiter acquire error - returns nil

func WithOperationCancelAfter added in v3.18.0

func WithOperationCancelAfter(ctx context.Context, operationCancelAfter time.Duration) context.Context

WithOperationCancelAfter returns a copy of parent context in which YDB operation cancel after parameter is set to d. If parent context cancellation timeout is smaller than d, parent context is returned.

func WithOperationTimeout added in v3.18.0

func WithOperationTimeout(ctx context.Context, operationTimeout time.Duration) context.Context

WithOperationTimeout returns a copy of parent context in which YDB operation timeout parameter is set to d. If parent context timeout is smaller than d, parent context is returned.

func WithQueryMode added in v3.33.0

func WithQueryMode(ctx context.Context, mode QueryMode) context.Context

func WithRequestType deprecated added in v3.13.0

func WithRequestType(ctx context.Context, requestType string) context.Context

WithRequestType returns a copy of parent context with custom request type

Deprecated: use meta.WithRequestType instead

func WithTraceID deprecated added in v3.13.0

func WithTraceID(ctx context.Context, traceID string) context.Context

WithTraceID returns a copy of parent context with traceID

Deprecated: use meta.WithTraceID instead

func WithTxControl added in v3.36.0

func WithTxControl(ctx context.Context, txc *table.TransactionControl) context.Context

Types

type Connection

type Connection interface {
	// Endpoint returns initial endpoint
	Endpoint() string

	// Name returns database name
	Name() string

	// Secure returns true if database connection is secure
	Secure() bool

	// Close closes connection and clear resources
	Close(ctx context.Context) error

	// Table returns table client
	Table() table.Client

	// Scheme returns scheme client
	Scheme() scheme.Client

	// Coordination returns coordination client
	Coordination() coordination.Client

	// Ratelimiter returns ratelimiter client
	Ratelimiter() ratelimiter.Client

	// Discovery returns discovery client
	Discovery() discovery.Client

	// Scripting returns scripting client
	Scripting() scripting.Client

	// Topic returns topic client
	Topic() topic.Client

	// With makes child connection with the same options and another options
	With(ctx context.Context, opts ...Option) (Connection, error)
}

Connection interface provide access to YDB service clients Interface and list of clients may be changed in the future

This interface is central part for access to various systems embedded to ydb through one configured connection method.

func New deprecated

func New(ctx context.Context, opts ...Option) (_ Connection, err error)

New connects to database and return driver runtime holder

Deprecated: use Open with required param connectionString instead

func Open added in v3.21.0

func Open(ctx context.Context, dsn string, opts ...Option) (_ Connection, err error)

Open connects to database by DSN and return driver runtime holder

DSN accept connection string like

"grpc[s]://{endpoint}/{database}[?param=value]"

See sugar.DSN helper for make dsn from endpoint and database

Example
ctx := context.TODO()
db, err := ydb.Open(ctx, "grpc://localhost:2135/local")
if err != nil {
	fmt.Printf("connection failed: %v", err)
}
defer db.Close(ctx) // cleanup resources
fmt.Printf("connected to %s, database '%s'", db.Endpoint(), db.Name())
Output:

Example (Advanced)
ctx := context.TODO()
db, err := ydb.Open(
	ctx,
	"grpc://localhost:2135/local",
	ydb.WithAnonymousCredentials(),
	ydb.WithBalancer(
		balancers.PreferLocationsWithFallback(
			balancers.RandomChoice(), "a", "b",
		),
	),
	ydb.WithSessionPoolSizeLimit(100),
)
if err != nil {
	fmt.Printf("connection failed: %v", err)
}
defer db.Close(ctx) // cleanup resources
fmt.Printf("connected to %s, database '%s'", db.Endpoint(), db.Name())
Output:

func Unwrap added in v3.33.0

func Unwrap[T *sql.DB | *sql.Conn](v T) (Connection, error)

type ConnectorOption added in v3.33.0

type ConnectorOption = xsql.ConnectorOption

func WithDatabaseSQLTrace added in v3.34.0

func WithDatabaseSQLTrace(t trace.DatabaseSQL, opts ...trace.DatabaseSQLComposeOption) ConnectorOption

func WithDefaultDataQueryOptions added in v3.33.0

func WithDefaultDataQueryOptions(opts ...options.ExecuteDataQueryOption) ConnectorOption

func WithDefaultQueryMode added in v3.33.0

func WithDefaultQueryMode(mode QueryMode) ConnectorOption

func WithDefaultScanQueryOptions added in v3.33.0

func WithDefaultScanQueryOptions(opts ...options.ExecuteScanQueryOption) ConnectorOption

func WithDefaultTxControl added in v3.33.0

func WithDefaultTxControl(txControl *table.TransactionControl) ConnectorOption

func WithDisableServerBalancer added in v3.42.4

func WithDisableServerBalancer() ConnectorOption

type Error added in v3.4.2

type Error interface {
	error

	// Code reports the error code
	Code() int32

	// Name reports the short name of error
	Name() string
}

Error is an interface of error which reports about error code and error name.

func OperationError added in v3.16.9

func OperationError(err error) Error

OperationError returns operation error description. If given err is not an operation error - returns nil.

func TransportError added in v3.16.9

func TransportError(err error) Error

TransportError checks when given error is a transport error and returns description of transport error.

type LoggerOption added in v3.5.3

type LoggerOption logger.Option

func WithColoring added in v3.34.0

func WithColoring() LoggerOption

func WithErrWriter added in v3.5.0

func WithErrWriter(err io.Writer) LoggerOption

func WithExternalLogger added in v3.5.0

func WithExternalLogger(external log.Logger) LoggerOption

func WithMinLevel added in v3.3.0

func WithMinLevel(minLevel log.Level) LoggerOption

func WithNamespace added in v3.3.0

func WithNamespace(namespace string) LoggerOption

func WithNoColor deprecated added in v3.3.0

func WithNoColor(b bool) LoggerOption

WithNoColor specified coloring of log messages

Deprecated: has no effect now, use WithColoring instead

func WithOutWriter added in v3.5.0

func WithOutWriter(out io.Writer) LoggerOption

type Option

type Option func(ctx context.Context, c *connection) error

Option contains configuration values for Connection

func MergeOptions added in v3.5.1

func MergeOptions(opts ...Option) Option

MergeOptions concatentaes provided options to one cumulative value.

func With

func With(options ...config.Option) Option

With collects additional configuration options.

This option does not replace collected option, instead it will append provided options.

func WithAccessTokenCredentials

func WithAccessTokenCredentials(accessToken string) Option

func WithAnonymousCredentials

func WithAnonymousCredentials() Option

WithAnonymousCredentials force to make requests withou authentication.

func WithBalancer added in v3.6.0

func WithBalancer(balancer *balancerConfig.Config) Option

func WithCertificate

func WithCertificate(cert *x509.Certificate) Option

WithCertificate appends certificate to TLS config root certificates

func WithCertificatesFromFile

func WithCertificatesFromFile(caFile string, opts ...certificates.FromFileOption) Option

WithCertificatesFromFile appends certificates by filepath to TLS config root certificates

func WithCertificatesFromPem

func WithCertificatesFromPem(bytes []byte, opts ...certificates.FromPemOption) Option

WithCertificatesFromPem appends certificates from pem-encoded data to TLS config root certificates

func WithConnectionString

func WithConnectionString(connectionString string) Option

WithConnectionString accept connection string like

grpc[s]://{endpoint}/{database}[?param=value]

Warning: WithConnectionString will be removed at next major release

(connection string will be required string param of ydb.Open)

func WithConnectionTTL added in v3.7.0

func WithConnectionTTL(ttl time.Duration) Option

WithConnectionTTL defines duration for parking idle connections

func WithCreateCredentialsFunc

func WithCreateCredentialsFunc(createCredentials func(ctx context.Context) (credentials.Credentials, error)) Option

WithCreateCredentialsFunc add callback funcion to provide requests credentials

func WithCredentials

func WithCredentials(c credentials.Credentials) Option

WithCredentials in conjunction with Connection.With function prohibit reuse of conn pool. Thus, Connection.With will effectively create totally separate Connection.

func WithDatabase added in v3.2.1

func WithDatabase(database string) Option

WithDatabase defines database option

Warning: use ydb.Open with required connection string parameter instead

For making connection string from endpoint+database+secure - use sugar.DSN()

func WithDialTimeout

func WithDialTimeout(timeout time.Duration) Option

WithDialTimeout sets timeout for establishing new connection to cluster

Default dial timeout is config.DefaultDialTimeout

func WithDiscoveryInterval

func WithDiscoveryInterval(discoveryInterval time.Duration) Option

WithDiscoveryInterval sets interval between cluster discovery calls.

func WithEndpoint added in v3.2.1

func WithEndpoint(endpoint string) Option

WithEndpoint defines endpoint option

Warning: use ydb.Open with required connection string parameter instead

For making connection string from endpoint+database+secure - use sugar.DSN()

func WithIgnoreTruncated added in v3.36.0

func WithIgnoreTruncated() Option

WithIgnoreTruncated disables errors on truncated flag

func WithInsecure added in v3.8.6

func WithInsecure() Option

WithInsecure defines secure option.

Warning: WithInsecure lost current TLS config.

func WithLogger added in v3.3.0

func WithLogger(details trace.Details, opts ...LoggerOption) Option

WithLogger add enables logging for selected tracing events.

See trace package documentation for details.

func WithMinTLSVersion added in v3.9.1

func WithMinTLSVersion(minVersion uint16) Option

WithMinTLSVersion set minimum TLS version acceptable for connections

func WithPanicCallback added in v3.17.0

func WithPanicCallback(panicCallback func(e interface{})) Option

WithPanicCallback specified behavior on panic Warning: WithPanicCallback must be defined on start of all options (before `WithTrace{Driver,Table,Scheme,Scripting,Coordination,Ratelimiter}` and other options) If not defined - panic would not intercept with driver

func WithRatelimiterOptions added in v3.11.0

func WithRatelimiterOptions(opts ...ratelimiterConfig.Option) Option

WithRatelimiterOptions returns reatelimiter option

func WithRequestsType added in v3.13.0

func WithRequestsType(requestsType string) Option

func WithSecure added in v3.7.0

func WithSecure(secure bool) Option

WithSecure defines secure option

Warning: use ydb.Open with required connection string parameter instead

For making connection string from endpoint+database+secure - use sugar.DSN()

func WithSessionPoolCreateSessionTimeout

func WithSessionPoolCreateSessionTimeout(createSessionTimeout time.Duration) Option

WithSessionPoolCreateSessionTimeout set timeout for new session creation process in table.Client

func WithSessionPoolDeleteTimeout

func WithSessionPoolDeleteTimeout(deleteTimeout time.Duration) Option

WithSessionPoolDeleteTimeout set timeout to gracefully close deleting session in table.Client

func WithSessionPoolIdleThreshold

func WithSessionPoolIdleThreshold(idleThreshold time.Duration) Option

WithSessionPoolIdleThreshold defines keep-alive interval for idle sessions

func WithSessionPoolKeepAliveMinSize deprecated

func WithSessionPoolKeepAliveMinSize(keepAliveMinSize int) Option

WithSessionPoolKeepAliveMinSize set minimum sessions should be keeped alive in table.Client

Deprecated: table client do not supports background session keep-aliving now

func WithSessionPoolKeepAliveTimeout

func WithSessionPoolKeepAliveTimeout(keepAliveTimeout time.Duration) Option

WithSessionPoolKeepAliveTimeout set timeout of keep alive requests for session in table.Client

func WithSessionPoolSizeLimit

func WithSessionPoolSizeLimit(sizeLimit int) Option

WithSessionPoolSizeLimit set max size of internal sessions pool in table.Client

func WithStaticCredentials added in v3.34.0

func WithStaticCredentials(user, password string) Option

func WithTLSConfig added in v3.23.0

func WithTLSConfig(tlsConfig *tls.Config) Option

WithTLSConfig replaces older TLS config

Warning: all early TLS config changes (such as WithCertificate, WithCertificatesFromFile, WithCertificatesFromPem, WithMinTLSVersion, WithTLSSInsecureSkipVerify) will be lost

func WithTLSSInsecureSkipVerify added in v3.11.0

func WithTLSSInsecureSkipVerify() Option

WithTLSSInsecureSkipVerify applies InsecureSkipVerify flag to TLS config

func WithTableConfigOption

func WithTableConfigOption(option tableConfig.Option) Option

WithTableConfigOption collects additional configuration options for table.Client. This option does not replace collected option, instead it will appen provided options.

func WithTraceCoordination added in v3.10.0

func WithTraceCoordination(t trace.Coordination, opts ...trace.CoordinationComposeOption) Option

WithTraceCoordination returns coordination trace option

func WithTraceDatabaseSQL added in v3.34.0

func WithTraceDatabaseSQL(t trace.DatabaseSQL, opts ...trace.DatabaseSQLComposeOption) Option

WithTraceDatabaseSQL adds configured discovery tracer to Connection

func WithTraceDiscovery added in v3.10.0

func WithTraceDiscovery(t trace.Discovery, opts ...trace.DiscoveryComposeOption) Option

WithTraceDiscovery adds configured discovery tracer to Connection

func WithTraceDriver

func WithTraceDriver(trace trace.Driver, opts ...trace.DriverComposeOption) Option

WithTraceDriver returns deadline which has associated Driver with it.

func WithTraceRatelimiter added in v3.10.0

func WithTraceRatelimiter(t trace.Ratelimiter, opts ...trace.RatelimiterComposeOption) Option

WithTraceRatelimiter returns ratelimiter trace option

func WithTraceScheme added in v3.10.0

func WithTraceScheme(t trace.Scheme, opts ...trace.SchemeComposeOption) Option

WithTraceScheme returns scheme trace option

func WithTraceScripting added in v3.10.0

func WithTraceScripting(t trace.Scripting, opts ...trace.ScriptingComposeOption) Option

WithTraceScripting scripting trace option

func WithTraceTable

func WithTraceTable(t trace.Table, opts ...trace.TableComposeOption) Option

WithTraceTable returns table trace option

func WithTraceTopic added in v3.32.0

func WithTraceTopic(t trace.Topic, opts ...trace.TopicComposeOption) Option

WithTraceTopic adds configured discovery tracer to Connection

func WithUserAgent added in v3.7.0

func WithUserAgent(userAgent string) Option

WithUserAgent add provided user agent value to all api requests

type QueryMode added in v3.33.0

type QueryMode = xsql.QueryMode

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