package query

import "github.com/ydb-platform/ydb-go-sdk/v3/internal/query"

Index

Constants 

const (
	LazyTxID = "LAZY_TX"
)

Variables 

var (
	ErrTransactionRollingBack = xerrors.Wrap(errors.New("ydb: the transaction is rolling back"))

	ErrOptionNotForTxExecute = errors.New("option is not for execute on transaction")
)

Functions

func MaterializedResultSet 

func MaterializedResultSet(
	index int,
	columnNames []string,
	columnTypes []types.Type,
	rows []query.Row,
) *materializedResultSet

func NewRow 

func NewRow(columns []*Ydb.Column, v *Ydb.Value) *row

Types

type Client 

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

func New 

func New(ctx context.Context, balancer grpc.ClientConnInterface, cfg *config.Config) *Client

func (*Client) Close 

func (c *Client) Close(ctx context.Context) error

func (*Client) Do 

func (c *Client) Do(ctx context.Context, op query.Operation, opts ...options.DoOption) (finalErr error)

func (*Client) DoTx 

func (c *Client) DoTx(ctx context.Context, op query.TxOperation, opts ...options.DoTxOption) (finalErr error)

func (*Client) Exec 

func (c *Client) Exec(ctx context.Context, q string, opts ...options.Execute) (finalErr error)

func (*Client) ExecuteScript 

func (c *Client) ExecuteScript(
	ctx context.Context, q string, ttl time.Duration, opts ...options.Execute,
) (
	op *options.ExecuteScriptOperation, err error,
)

func (*Client) FetchScriptResults 

func (c *Client) FetchScriptResults(ctx context.Context,
	opID string, opts ...options.FetchScriptOption,
) (*options.FetchScriptResult, error)

func (*Client) Query 

func (c *Client) Query(ctx context.Context, q string, opts ...options.Execute) (r query.Result, err error)

func (*Client) QueryResultSet 

func (c *Client) QueryResultSet(
	ctx context.Context, q string, opts ...options.Execute,
) (rs result.ClosableResultSet, finalErr error)

QueryResultSet is a helper which read all rows from first result set in result

func (*Client) QueryRow 

func (c *Client) QueryRow(ctx context.Context, q string, opts ...options.Execute) (_ query.Row, finalErr error)

QueryRow is a helper which read only one row from first result set in result

type Session 

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

func (*Session) Begin 

func (s *Session) Begin(
	ctx context.Context,
	txSettings query.TransactionSettings,
) (
	_ query.Transaction, err error,
)

func (*Session) Close 

func (s *Session) Close(ctx context.Context) (err error)

func (*Session) Exec 

func (s *Session) Exec(
	ctx context.Context, q string, opts ...options.Execute,
) (finalErr error)

func (*Session) ID 

func (s *Session) ID() string

func (*Session) IsAlive 

func (s *Session) IsAlive() bool

func (*Session) NodeID 

func (s *Session) NodeID() uint32

func (*Session) Query 

func (s *Session) Query(
	ctx context.Context, q string, opts ...options.Execute,
) (_ query.Result, finalErr error)

func (*Session) QueryResultSet 

func (s *Session) QueryResultSet(
	ctx context.Context, q string, opts ...options.Execute,
) (rs result.ClosableResultSet, finalErr error)

func (*Session) QueryRow 

func (s *Session) QueryRow(ctx context.Context, q string, opts ...options.Execute) (_ query.Row, finalErr error)

func (*Session) Status 

func (s *Session) Status() string

type Transaction 

type Transaction struct {
	baseTx.Identifier
	// contains filtered or unexported fields
}

func (*Transaction) CommitTx 

func (tx *Transaction) CommitTx(ctx context.Context) (err error)

func (*Transaction) Exec 

func (tx *Transaction) Exec(ctx context.Context, q string, opts ...options.Execute) (
	finalErr error,
)

func (*Transaction) ID 

func (tx *Transaction) ID() string

func (*Transaction) OnCompleted 

func (tx *Transaction) OnCompleted(f baseTx.OnTransactionCompletedFunc)

func (*Transaction) Query 

func (tx *Transaction) Query(ctx context.Context, q string, opts ...options.Execute) (
	_ query.Result, finalErr error,
)

func (*Transaction) QueryResultSet 

func (tx *Transaction) QueryResultSet(
	ctx context.Context, q string, opts ...options.Execute,
) (rs result.ClosableResultSet, finalErr error)

func (*Transaction) QueryRow 

func (tx *Transaction) QueryRow(
	ctx context.Context, q string, opts ...options.Execute,
) (row query.Row, finalErr error)

func (*Transaction) Rollback 

func (tx *Transaction) Rollback(ctx context.Context) error

func (*Transaction) SessionID 

func (tx *Transaction) SessionID() string

func (*Transaction) UnLazy 

func (tx *Transaction) UnLazy(ctx context.Context) (err error)

Source Files

client.go errors.go execute_query.go result.go result_set.go row.go session.go session_status.go transaction.go

Directories

PathSynopsis
internal/query/config
internal/query/options
internal/query/result
internal/query/scanner
internal/query/tx
Version
v3.79.0
Published
Sep 5, 2024
Platform
js/wasm
Imports
36 packages
Last checked
3 minutes ago –

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