expr

README

expr

Boolean expressions evaluator.

Documentation

Index

• func Builder(fields ...BuildField) string
• type BuildField
  • func And(fields ...BuildField) BuildField
  • func Eq(name string, value interface{}) BuildField
  • func Exists(name string) BuildField
• type Filter
  • func BoolParam(name string, opts ...ParamOption) *Filter
  • func EnumParam(name string, values map[string]int32, opts ...ParamOption) *Filter
  • func IDParam(name string, opts ...ParamOption) *Filter
  • func StringParam(name string, opts ...ParamOption) *Filter
  • func TimestampParam(name string, opts ...ParamOption) *Filter
• type Filters
  • func (fs Filters) ApplySQL(q *database.Collection, query string) (*database.Collection, error)
  • func (fs Filters) Matcher(query string) (Matcher, error)
• type Matcher
• type ParamOption
  • func Required() ParamOption

Functions

func Builder

func Builder(fields ...BuildField) string

Types

type BuildField

type BuildField func() string

func And

func And(fields ...BuildField) BuildField

func Eq

func Eq(name string, value interface{}) BuildField

func Exists

func Exists(name string) BuildField

type Filter

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

func BoolParam

func BoolParam(name string, opts ...ParamOption) *Filter

func EnumParam

func EnumParam(name string, values map[string]int32, opts ...ParamOption) *Filter

func IDParam

func IDParam(name string, opts ...ParamOption) *Filter

func StringParam

func StringParam(name string, opts ...ParamOption) *Filter

func TimestampParam

func TimestampParam(name string, opts ...ParamOption) *Filter

type Filters

type Filters []*Filter

func (Filters) ApplySQL

func (fs Filters) ApplySQL(q *database.Collection, query string) (*database.Collection, error)

func (Filters) Matcher

func (fs Filters) Matcher(query string) (Matcher, error)

type Matcher

type Matcher func(value map[string]interface{}) bool

type ParamOption

type ParamOption func(f *Filter)

func Required

func Required() ParamOption