group

Documentation

Index

• Constants
• type Argument
  • func (arg *Argument) AppendChild(child vm.Operator)
  • func (arg *Argument) Call(proc *process.Process) (vm.CallResult, error)
  • func (arg *Argument) Free(proc *process.Process, pipelineFailed bool, err error)
  • func (arg *Argument) Prepare(proc *process.Process) (err error)
  • func (arg *Argument) SetInfo(info *vm.OperatorInfo)
  • func (arg *Argument) String(buf *bytes.Buffer)

Constants

const (
	H8 = iota
	HStr
	HIndex
)

const (
	UnaryAgg = iota
	MultiAgg
)

Types

type Argument

type Argument struct {
	IsShuffle    bool // is shuffle group
	PreAllocSize uint64
	NeedEval     bool // need to projection the aggregate column
	Ibucket      uint64
	Nbucket      uint64
	Exprs        []*plan.Expr // group Expressions
	Types        []types.Type
	Aggs         []agg.Aggregate         // aggregations
	MultiAggs    []group_concat.Argument // multiAggs, for now it's group_concat
	// contains filtered or unexported fields
}

func (*Argument) AppendChild

func (arg *Argument) AppendChild(child vm.Operator)

func (*Argument) Call

func (arg *Argument) Call(proc *process.Process) (vm.CallResult, error)

func (*Argument) Free

func (arg *Argument) Free(proc *process.Process, pipelineFailed bool, err error)

func (*Argument) Prepare

func (arg *Argument) Prepare(proc *process.Process) (err error)

func (*Argument) SetInfo

func (arg *Argument) SetInfo(info *vm.OperatorInfo)

func (*Argument) String

func (arg *Argument) String(buf *bytes.Buffer)