querybuilder

package module

v0.2.2 Latest Latest Go to latest Published: Dec 2, 2019 License: MIT Imports: 4 Imported by: 0

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Repository

github.com/akm/querybuilder

Links

Open Source Insights

README ¶

querybuilder for Appengine Datastore

Documentation ¶

Index ¶

Variables
func BuildOperatorMap(opes []Ope) map[string]Ope
func ReflectWalkIn(base *reflect.Value, field, sep string, f func(*reflect.Value) error) error
func ReflectWalkInImpl(curr *reflect.Value, fields []string, f func(*reflect.Value) error) error
type Assigner
- func AssignerFor(field string, value interface{}) *Assigner
- func (a *Assigner) Do(entity interface{}) error
type Assigners
- func (s Assigners) Assign(entity interface{}) error
- func (s Assigners) AssignAll(entities interface{}) error
type Condition
- func (c *Condition) Call(q *datastore.Query) *datastore.Query
- func (c *Condition) OriginalTypeValue() interface{}
type ConditionPredict
type Conditions
- func (s Conditions) Call(q *datastore.Query) *datastore.Query
- func (s Conditions) HasMultipleIneqFields() bool
- func (s Conditions) IneqFields() Strings
type Ope
- func (ope Ope) String() string
type QueryBuilder
- func New(fields ...string) *QueryBuilder
- func (qb *QueryBuilder) AddCondition(field string, ope Ope, value interface{}) *QueryBuilder
- func (qb *QueryBuilder) AddIntFilter(name string, value int) *QueryBuilder
- func (qb *QueryBuilder) AddSort(field string) *QueryBuilder
- func (qb *QueryBuilder) Asc(field string) *QueryBuilder
- func (qb *QueryBuilder) Build(q *datastore.Query) (*datastore.Query, Assigners)
- func (qb *QueryBuilder) BuildForCount(q *datastore.Query) *datastore.Query
- func (qb *QueryBuilder) BuildForList(q *datastore.Query) (*datastore.Query, Assigners)
- func (qb *QueryBuilder) Desc(field string) *QueryBuilder
- func (qb *QueryBuilder) Eq(field string, value interface{}) *QueryBuilder
- func (qb *QueryBuilder) Gt(field string, value interface{}) *QueryBuilder
- func (qb *QueryBuilder) Gte(field string, value interface{}) *QueryBuilder
- func (qb *QueryBuilder) Ineq(ope Ope, field string, value interface{}) *QueryBuilder
- func (qb *QueryBuilder) Limit(v int) *QueryBuilder
- func (qb *QueryBuilder) Lt(field string, value interface{}) *QueryBuilder
- func (qb *QueryBuilder) Lte(field string, value interface{}) *QueryBuilder
- func (qb *QueryBuilder) Offset(v int) *QueryBuilder
- func (qb *QueryBuilder) ProjectFields() Strings
- func (qb *QueryBuilder) Starts(field, value string) *QueryBuilder
type QueryFilter
type Strings
- func (s Strings) Except(v Strings) Strings
- func (s Strings) Filter(f func(Strings, string) bool) Strings
- func (s Strings) Has(v string) bool
- func (s Strings) Uniq() Strings
type ValuedFilter
- func (vf *ValuedFilter) Call(q *datastore.Query) *datastore.Query

Constants ¶

This section is empty.

Variables ¶

View Source

var OperatorMap = BuildOperatorMap(Operators)

View Source

var Operators = []Ope{LT, LTE, GT, GTE, EQ}

Functions ¶

func BuildOperatorMap ¶

func BuildOperatorMap(opes []Ope) map[string]Ope

func ReflectWalkIn ¶

func ReflectWalkIn(base *reflect.Value, field, sep string, f func(*reflect.Value) error) error

func ReflectWalkInImpl ¶

func ReflectWalkInImpl(curr *reflect.Value, fields []string, f func(*reflect.Value) error) error

Types ¶

type Assigner ¶

type Assigner struct {
	Field string      `json:"field"`
	Value interface{} `json:"value"`
}

func AssignerFor ¶

func AssignerFor(field string, value interface{}) *Assigner

func (*Assigner) Do ¶

func (a *Assigner) Do(entity interface{}) error

type Assigners ¶

type Assigners []*Assigner

func (Assigners) Assign ¶

func (s Assigners) Assign(entity interface{}) error

func (Assigners) AssignAll ¶

func (s Assigners) AssignAll(entities interface{}) error

type Condition ¶

type Condition struct {
	Field string      `json:"field"`
	Ope   Ope         `json:"ope"`
	Value interface{} `json:"value"`
}

func (*Condition) Call ¶

func (c *Condition) Call(q *datastore.Query) *datastore.Query

func (*Condition) OriginalTypeValue ¶ added in v0.2.1

func (c *Condition) OriginalTypeValue() interface{}

type ConditionPredict ¶

type ConditionPredict func(*Condition) bool

type Conditions ¶

type Conditions []*Condition

func (Conditions) Call ¶

func (s Conditions) Call(q *datastore.Query) *datastore.Query

func (Conditions) HasMultipleIneqFields ¶

func (s Conditions) HasMultipleIneqFields() bool

func (Conditions) IneqFields ¶

func (s Conditions) IneqFields() Strings

type Ope ¶

type Ope string

const (
	LT  Ope = "<"
	LTE Ope = "<="
	GT  Ope = ">"
	GTE Ope = ">="
	EQ  Ope = "="
)

func (Ope) String ¶

func (ope Ope) String() string

type QueryBuilder ¶

type QueryBuilder struct {
	Fields     Strings         `json:"fields,omitempty"`
	Ignored    Strings         `json:"ignored,omitempty"`
	SortFields Strings         `json:"sort_fields,omitempty"`
	Conditions Conditions      `json:"conditions,omitempty"`
	Filters    []*ValuedFilter `json:"filters,omitempty"`
	Assigns    Assigners       `json:"assigns,omitempty"`
}

func New ¶

func New(fields ...string) *QueryBuilder

func (*QueryBuilder) AddCondition ¶

func (qb *QueryBuilder) AddCondition(field string, ope Ope, value interface{}) *QueryBuilder

func (*QueryBuilder) AddIntFilter ¶

func (qb *QueryBuilder) AddIntFilter(name string, value int) *QueryBuilder

func (*QueryBuilder) AddSort ¶

func (qb *QueryBuilder) AddSort(field string) *QueryBuilder

func (*QueryBuilder) Asc ¶

func (qb *QueryBuilder) Asc(field string) *QueryBuilder

func (*QueryBuilder) Build ¶

func (qb *QueryBuilder) Build(q *datastore.Query) (*datastore.Query, Assigners)

func (*QueryBuilder) BuildForCount ¶

func (qb *QueryBuilder) BuildForCount(q *datastore.Query) *datastore.Query

func (*QueryBuilder) BuildForList ¶

func (qb *QueryBuilder) BuildForList(q *datastore.Query) (*datastore.Query, Assigners)

func (*QueryBuilder) Desc ¶

func (qb *QueryBuilder) Desc(field string) *QueryBuilder

func (*QueryBuilder) Eq ¶

func (qb *QueryBuilder) Eq(field string, value interface{}) *QueryBuilder

func (*QueryBuilder) Gt ¶

func (qb *QueryBuilder) Gt(field string, value interface{}) *QueryBuilder

func (*QueryBuilder) Gte ¶

func (qb *QueryBuilder) Gte(field string, value interface{}) *QueryBuilder

func (*QueryBuilder) Ineq ¶

func (qb *QueryBuilder) Ineq(ope Ope, field string, value interface{}) *QueryBuilder

func (*QueryBuilder) Limit ¶

func (qb *QueryBuilder) Limit(v int) *QueryBuilder

func (*QueryBuilder) Lt ¶

func (qb *QueryBuilder) Lt(field string, value interface{}) *QueryBuilder

func (*QueryBuilder) Lte ¶

func (qb *QueryBuilder) Lte(field string, value interface{}) *QueryBuilder

func (*QueryBuilder) Offset ¶

func (qb *QueryBuilder) Offset(v int) *QueryBuilder

func (*QueryBuilder) ProjectFields ¶

func (qb *QueryBuilder) ProjectFields() Strings

func (*QueryBuilder) Starts ¶

func (qb *QueryBuilder) Starts(field, value string) *QueryBuilder

type QueryFilter ¶

type QueryFilter func(*datastore.Query) *datastore.Query

type Strings ¶

type Strings []string

func (Strings) Except ¶

func (s Strings) Except(v Strings) Strings

func (Strings) Filter ¶

func (s Strings) Filter(f func(Strings, string) bool) Strings

func (Strings) Has ¶

func (s Strings) Has(v string) bool

func (Strings) Uniq ¶

func (s Strings) Uniq() Strings

type ValuedFilter ¶

type ValuedFilter struct {
	Name     string `json:"name"`
	IntValue int    `json:"value"`
}

func (*ValuedFilter) Call ¶

func (vf *ValuedFilter) Call(q *datastore.Query) *datastore.Query

Source Files ¶

View all Source files

Directories ¶

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