xapi

Documentation

Index

• func SupportExpression(client kv.Client, expr *tipb.Expr) bool
• type SelectResult
  • func Select(client kv.Client, req *tipb.SelectRequest, concurrency int) (*SelectResult, error)
  • func (r *SelectResult) Close() error
  • func (r *SelectResult) Next() (subResult *SubResult, err error)
• type SubResult
  • func (r *SubResult) Close() error
  • func (r *SubResult) Next() (handle int64, data []types.Datum, err error)

Functions

func SupportExpression

func SupportExpression(client kv.Client, expr *tipb.Expr) bool

SupportExpression checks if the expression is supported by the client.

Types

type SelectResult

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

SelectResult is used to get response rows from SelectRequest.

func Select

func Select(client kv.Client, req *tipb.SelectRequest, concurrency int) (*SelectResult, error)

Select do a select request, returns SelectResult.

func (*SelectResult) Close

func (r *SelectResult) Close() error

Close closes SelectResult.

func (*SelectResult) Next

func (r *SelectResult) Next() (subResult *SubResult, err error)

Next returns the next row.

type SubResult

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

SubResult represents a subset of select result.

func (*SubResult) Close

func (r *SubResult) Close() error

Close closes the sub result.

func (*SubResult) Next

func (r *SubResult) Next() (handle int64, data []types.Datum, err error)

Next returns the next row of the sub result. If no more row to return, data would be nil.