Documentation
¶
Index ¶
- type ColumnInfo
- type Config
- type IContext
- type IDriver
- type IStatement
- type ResultSet
- type Server
- type TiDBContext
- func (tc *TiDBContext) AffectedRows() uint64
- func (tc *TiDBContext) Auth(user string, auth []byte, salt []byte) bool
- func (tc *TiDBContext) Close() (err error)
- func (tc *TiDBContext) CommitTxn() error
- func (tc *TiDBContext) CurrentDB() string
- func (tc *TiDBContext) Execute(sql string) (rs []ResultSet, err error)
- func (tc *TiDBContext) FieldList(table string) (colums []*ColumnInfo, err error)
- func (tc *TiDBContext) GetStatement(stmtID int) IStatement
- func (tc *TiDBContext) LastInsertID() uint64
- func (tc *TiDBContext) Prepare(sql string) (statement IStatement, columns, params []*ColumnInfo, err error)
- func (tc *TiDBContext) RollbackTxn() error
- func (tc *TiDBContext) SetClientCapability(flags uint32)
- func (tc *TiDBContext) SetValue(key fmt.Stringer, value interface{})
- func (tc *TiDBContext) Status() uint16
- func (tc *TiDBContext) Value(key fmt.Stringer) interface{}
- func (tc *TiDBContext) WarningCount() uint16
- type TiDBDriver
- type TiDBStatement
- func (ts *TiDBStatement) AppendParam(paramID int, data []byte) error
- func (ts *TiDBStatement) BoundParams() [][]byte
- func (ts *TiDBStatement) Close() error
- func (ts *TiDBStatement) Execute(args ...interface{}) (rs ResultSet, err error)
- func (ts *TiDBStatement) ID() int
- func (ts *TiDBStatement) NumParams() int
- func (ts *TiDBStatement) Reset()
- type Token
- type TokenLimiter
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type ColumnInfo ¶
type ColumnInfo struct {
Schema string
Table string
OrgTable string
Name string
OrgName string
ColumnLength uint32
Charset uint16
Flag uint16
Decimal uint8
Type uint8
DefaultValueLength uint64
DefaultValue []byte
}
ColumnInfo contains information of a column
type Config ¶
type Config struct {
Addr string `json:"addr" toml:"addr"`
LogLevel string `json:"log_level" toml:"log_level"`
SkipAuth bool `json:"skip_auth" toml:"skip_auth"`
StatusAddr string `json:"status_addr" toml:"status_addr"`
Socket string `json:"socket" toml:"socket"`
ReportStatus bool `json:"report_status" toml:"report_status"`
}
Config contains configuration options.
type IContext ¶
type IContext interface {
// Status returns server status code.
Status() uint16
// LastInsertID returns last inserted ID.
LastInsertID() uint64
// AffectedRows returns affected rows of last executed command.
AffectedRows() uint64
// Value returns the value associated with this context for key.
Value(key fmt.Stringer) interface{}
// SetValue saves a value associated with this context for key.
SetValue(key fmt.Stringer, value interface{})
// CommitTxn commits the transaction operations.
CommitTxn() error
// RollbackTxn undoes the transaction operations.
RollbackTxn() error
// WarningCount returns warning count of last executed command.
WarningCount() uint16
// CurrentDB returns current DB.
CurrentDB() string
// Execute executes a SQL statement.
Execute(sql string) ([]ResultSet, error)
// SetClientCapability sets client capability flags
SetClientCapability(uint32)
// Prepare prepares a statement.
Prepare(sql string) (statement IStatement, columns, params []*ColumnInfo, err error)
// GetStatement gets IStatement by statement ID.
GetStatement(stmtID int) IStatement
// FieldList returns columns of a table.
FieldList(tableName string) (columns []*ColumnInfo, err error)
// Close closes the IContext.
Close() error
// Auth verifies user's authentication.
Auth(user string, auth []byte, salt []byte) bool
}
IContext is the interface to execute command.
type IDriver ¶
type IDriver interface {
// OpenCtx opens an IContext with connection id, client capability, collation and dbname.
OpenCtx(connID uint64, capability uint32, collation uint8, dbname string) (IContext, error)
}
IDriver opens IContext.
type IStatement ¶
type IStatement interface {
// ID returns statement ID
ID() int
// Execute executes the statement.
Execute(args ...interface{}) (ResultSet, error)
// AppendParam appends parameter to the statement.
AppendParam(paramID int, data []byte) error
// NumParams returns number of parameters.
NumParams() int
// BoundParams returns bound parameters.
BoundParams() [][]byte
// Reset removes all bound parameters.
Reset()
// Close closes the statement.
Close() error
}
IStatement is the interface to use a prepared statement.
type ResultSet ¶
type ResultSet interface {
Columns() ([]*ColumnInfo, error)
Next() ([]types.Datum, error)
Close() error
}
ResultSet is the result set of an query.
type Server ¶
type Server struct {
// contains filtered or unexported fields
}
Server is the MySQL protocol server
func (*Server) ConnectionCount ¶
ConnectionCount gets current connection count.
type TiDBContext ¶
type TiDBContext struct {
// contains filtered or unexported fields
}
TiDBContext implements IContext.
func (*TiDBContext) AffectedRows ¶
func (tc *TiDBContext) AffectedRows() uint64
AffectedRows implements IContext AffectedRows method.
func (*TiDBContext) Auth ¶
func (tc *TiDBContext) Auth(user string, auth []byte, salt []byte) bool
Auth implements IContext Auth method.
func (*TiDBContext) Close ¶
func (tc *TiDBContext) Close() (err error)
Close implements IContext Close method.
func (*TiDBContext) CommitTxn ¶
func (tc *TiDBContext) CommitTxn() error
CommitTxn implements IContext CommitTxn method.
func (*TiDBContext) CurrentDB ¶
func (tc *TiDBContext) CurrentDB() string
CurrentDB implements IContext CurrentDB method.
func (*TiDBContext) Execute ¶
func (tc *TiDBContext) Execute(sql string) (rs []ResultSet, err error)
Execute implements IContext Execute method.
func (*TiDBContext) FieldList ¶
func (tc *TiDBContext) FieldList(table string) (colums []*ColumnInfo, err error)
FieldList implements IContext FieldList method.
func (*TiDBContext) GetStatement ¶
func (tc *TiDBContext) GetStatement(stmtID int) IStatement
GetStatement implements IContext GetStatement method.
func (*TiDBContext) LastInsertID ¶
func (tc *TiDBContext) LastInsertID() uint64
LastInsertID implements IContext LastInsertID method.
func (*TiDBContext) Prepare ¶
func (tc *TiDBContext) Prepare(sql string) (statement IStatement, columns, params []*ColumnInfo, err error)
Prepare implements IContext Prepare method.
func (*TiDBContext) RollbackTxn ¶
func (tc *TiDBContext) RollbackTxn() error
RollbackTxn implements IContext RollbackTxn method.
func (*TiDBContext) SetClientCapability ¶
func (tc *TiDBContext) SetClientCapability(flags uint32)
SetClientCapability implements IContext SetClientCapability method.
func (*TiDBContext) SetValue ¶
func (tc *TiDBContext) SetValue(key fmt.Stringer, value interface{})
SetValue implements IContext SetValue method.
func (*TiDBContext) Status ¶
func (tc *TiDBContext) Status() uint16
Status implements IContext Status method.
func (*TiDBContext) Value ¶
func (tc *TiDBContext) Value(key fmt.Stringer) interface{}
Value implements IContext Value method.
func (*TiDBContext) WarningCount ¶
func (tc *TiDBContext) WarningCount() uint16
WarningCount implements IContext WarningCount method.
type TiDBDriver ¶
type TiDBDriver struct {
// contains filtered or unexported fields
}
TiDBDriver implements IDriver.
func NewTiDBDriver ¶
func NewTiDBDriver(store kv.Storage) *TiDBDriver
NewTiDBDriver creates a new TiDBDriver.
type TiDBStatement ¶
type TiDBStatement struct {
// contains filtered or unexported fields
}
TiDBStatement implements IStatement.
func (*TiDBStatement) AppendParam ¶
func (ts *TiDBStatement) AppendParam(paramID int, data []byte) error
AppendParam implements IStatement AppendParam method.
func (*TiDBStatement) BoundParams ¶
func (ts *TiDBStatement) BoundParams() [][]byte
BoundParams implements IStatement BoundParams method.
func (*TiDBStatement) Close ¶
func (ts *TiDBStatement) Close() error
Close implements IStatement Close method.
func (*TiDBStatement) Execute ¶
func (ts *TiDBStatement) Execute(args ...interface{}) (rs ResultSet, err error)
Execute implements IStatement Execute method.
func (*TiDBStatement) NumParams ¶
func (ts *TiDBStatement) NumParams() int
NumParams implements IStatement NumParams method.
func (*TiDBStatement) Reset ¶
func (ts *TiDBStatement) Reset()
Reset implements IStatement Reset method.
type TokenLimiter ¶
type TokenLimiter struct {
// contains filtered or unexported fields
}
TokenLimiter is used to limit the number of concurrent tasks.
func NewTokenLimiter ¶
func NewTokenLimiter(count int) *TokenLimiter
NewTokenLimiter creates a TokenLimiter with count tokens.