session

type Session interface {
	sessionctx.Context
	// SessionInfoSchema returns information schema of current session
	SessionInfoSchema() infoschema.InfoSchema
	// ExecuteSQL executes the sql
	ExecuteSQL(ctx context.Context, sql string, args ...any) ([]chunk.Row, error)
	// RunInTxn executes the specified function in a txn
	RunInTxn(ctx context.Context, fn func() error, mode TxnMode) (err error)
	// ResetWithGlobalTimeZone resets the session time zone to global time zone
	ResetWithGlobalTimeZone(ctx context.Context) error
	// GlobalTimeZone returns the global timezone. It is used to compute expire time for TTL
	GlobalTimeZone(ctx context.Context) (*time.Location, error)
	// KillStmt kills the current statement execution
	KillStmt()
	// Close closes the session
	Close()
	// Now returns the current time in location specified by session var
	Now() time.Time
}

type TxnMode int