query

package
v0.0.0-...-449281a Latest Latest
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 Go to latest Published: Sep 28, 2015 License: MIT Imports: 7 Imported by: 1

Documentation

Index

Constants

View Source 
const (
	ASC  = 1
	DESC = -1
)

Variables

This section is empty.

Functions

func CollapseField 

func CollapseField(in interface{}, out interface{})

func DeepAssign 

func DeepAssign(d RawExpr, value interface{}, keys ...string)

func Variablize 

func Variablize(fields ...string) string

Types

type Arel 

type Arel struct {
	*ArelNodes
}

func NewArel 

func NewArel() *Arel

func (*Arel) Average 

func (this *Arel) Average(target string) *Arel

func (*Arel) Collect 

func (this *Arel) Collect(target string) *Arel

func (*Arel) Count 

func (this *Arel) Count() *Arel

func (*Arel) CountUnique 

func (this *Arel) CountUnique(target string) *Arel

func (*Arel) GroupBy 

func (this *Arel) GroupBy(groups ...string) *Arel

func (*Arel) GroupByGiven 

func (this *Arel) GroupByGiven() bool

func (*Arel) Limit 

func (this *Arel) Limit(n int) *Arel

func (*Arel) Max 

func (this *Arel) Max(target string) *Arel

func (*Arel) Min 

func (this *Arel) Min(target string) *Arel

func (*Arel) OrderBy 

func (this *Arel) OrderBy(orders ...*Order) *Arel

func (*Arel) Pipeline 

func (this *Arel) Pipeline() *Pipeline

func (*Arel) Select 

func (this *Arel) Select(fields ...string) *Arel

func (*Arel) SelectUnique 

func (this *Arel) SelectUnique(target string) *Arel

func (*Arel) Sum 

func (this *Arel) Sum(target string) *Arel

func (*Arel) Where 

func (this *Arel) Where(conds ...*Condition) *Arel

type ArelNodes 

type ArelNodes struct {
	Select  *Select
	Where   *Where
	GroupBy *GroupBy
	OrderBy *OrderBy
	Limit   *Limit
}

type Average 

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

func (*Average) Visit 

func (this *Average) Visit(v *Visitor, g *GroupBy)

type Collect 

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

func (*Collect) Visit 

func (this *Collect) Visit(v *Visitor, g *GroupBy)

type Condition 

type Condition struct {
	Field string
	Op    string
	Value interface{}
}

func NewCondition 

func NewCondition(field string, op string, value interface{}) *Condition

func (*Condition) OpExpr 

func (this *Condition) OpExpr() RawExpr

func (*Condition) RawExpr 

func (this *Condition) RawExpr() RawExpr

type Count 

type Count struct{}

func (*Count) Visit 

func (this *Count) Visit(v *Visitor, g *GroupBy)

type CountUnique 

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

func (*CountUnique) Visit 

func (this *CountUnique) Visit(v *Visitor, g *GroupBy)

type Group 

type Group []string

func (Group) RawExpr 

func (this Group) RawExpr() RawExpr

type GroupBy 

type GroupBy struct {
	Group Group
	Op    Operator
}

func NewGroupBy 

func NewGroupBy() *GroupBy

func (*GroupBy) AddGroup 

func (this *GroupBy) AddGroup(groups ...string) *GroupBy

func (*GroupBy) SetOp 

func (this *GroupBy) SetOp(op Operator) *GroupBy

func (*GroupBy) Visit 

func (this *GroupBy) Visit(v *Visitor, arel *Arel)

type Limit 

type Limit struct {
	N int
}

func NewLimit 

func NewLimit() *Limit

func (*Limit) Visit 

func (this *Limit) Visit(v *Visitor, arel *Arel)

type Max 

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

func (*Max) Visit 

func (this *Max) Visit(v *Visitor, g *GroupBy)

type Min 

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

func (*Min) Visit 

func (this *Min) Visit(v *Visitor, g *GroupBy)

type NoOp 

type NoOp struct {
	Fields []string
}

func (*NoOp) Visit 

func (this *NoOp) Visit(v *Visitor, g *GroupBy)

type Operator 

type Operator interface {
	Visit(*Visitor, *GroupBy)
}

type Order 

type Order struct {
	Field string
	Order int
}

type OrderBy 

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

func NewOrderBy 

func NewOrderBy() *OrderBy

func (*OrderBy) AddOrder 

func (this *OrderBy) AddOrder(orders ...*Order) *OrderBy

func (*OrderBy) Visit 

func (this *OrderBy) Visit(v *Visitor, arel *Arel)

type Pipeline 

type Pipeline []Stage

func (*Pipeline) Append 

func (this *Pipeline) Append(stages ...Stage) *Pipeline

type Query 

type Query struct {
	Arel *Arel
	// contains filtered or unexported fields
}

func New 

func New(c *mgo.Collection, arel *Arel) *Query

func (*Query) Execute 

func (this *Query) Execute(result interface{}) error

type RawExpr 

type RawExpr map[string]interface{}

func ExpandField 

func ExpandField(doc RawExpr) RawExpr

type Select 

type Select struct {
	Fields []string
}

func NewSelect 

func NewSelect() *Select

func (*Select) AddField 

func (this *Select) AddField(fields ...string) *Select

func (*Select) Visit 

func (this *Select) Visit(v *Visitor, arel *Arel)

type SelectUnique 

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

func (*SelectUnique) Visit 

func (this *SelectUnique) Visit(v *Visitor, g *GroupBy)

type Stage 

type Stage RawExpr

type Sum 

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

func (*Sum) Visit 

func (this *Sum) Visit(v *Visitor, g *GroupBy)

type Visitor 

type Visitor struct {
	Arel     *Arel
	Pipeline Pipeline
}

func NewVisitor 

func NewVisitor(arel *Arel) *Visitor

func (*Visitor) Collect 

func (this *Visitor) Collect(stages ...Stage) *Visitor

type Where 

type Where struct {
	Conditions map[string]*Condition
}

func NewWhere 

func NewWhere() *Where

func (*Where) Condition 

func (this *Where) Condition(conds ...*Condition) *Where

func (*Where) Visit 

func (this *Where) Visit(v *Visitor, arel *Arel)

Source Files

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