api

package
v0.1.32 Latest Latest
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 Go to latest Published: Jun 1, 2022 License: MIT Imports: 11 Imported by: 2

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Constants

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Variables

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Functions

func AddV added in v0.1.13 

func AddV(label string) interfaces.Vertex

AddV adds .addV('<label>'), e.g. .addV('user'), to the query. The query call adds a vertex with the given label and returns that vertex.

func Constant added in v0.1.13 

func Constant(c string) interfaces.QueryBuilder

Constant adds .constant() to the query.

func Escape 

func Escape(value string) string

Escape escapes all values that are not allowed to be stored directly into the cosmos-db.

func Has added in v0.1.19 

func Has(key string, value ...interface{}) interfaces.QueryBuilder

Has adds .has("<key>","<value>"), e.g. .has("name","hans") depending on the given type the quotes for the value are omitted. e.g. .has("temperature",23.02) or .has("available",true) The method can also be used to return vertices that have a certain property. Then .has("<prop name>") will be added to the query. 

v.Has("prop1")

func InE added in v0.1.13 

func InE(labels ...string) interfaces.Edge

InE adds .inE([<label_1>,<label_2>,..,<label_n>]), to the query. The query call returns all incoming edges of the Vertex

func InV added in v0.1.29 

func InV() interfaces.Vertex

InV adds .inV(), to the query. The query call returns all incoming vertex of the edge

func NewEdgeG 

func NewEdgeG(g interfaces.Graph) interfaces.Edge

func NewEdgeV 

func NewEdgeV(v interfaces.Vertex) interfaces.Edge

func NewGraph 

func NewGraph(name string) interfaces.Graph

NewGraph creates a new graph query with the given name Hint: The actual graph has to exist on the server in order to execute the query that will be generated with this query builder

func NewPropertyV added in v0.1.7 

func NewPropertyV(v interfaces.Vertex) interfaces.Property

func NewSimpleQB 

func NewSimpleQB(format string, a ...interface{}) interfaces.QueryBuilder

func NewVertexE 

func NewVertexE(e interfaces.Edge) interfaces.Vertex

func NewVertexG 

func NewVertexG(g interfaces.Graph) interfaces.Vertex

func OutE added in v0.1.13 

func OutE(labels ...string) interfaces.Edge

OutE adds .outE([<label_1>,<label_2>,..,<label_n>]), to the query. The query call returns all outgoing edges of the Vertex

func OutV added in v0.1.16 

func OutV() interfaces.Vertex

OutV adds .outV(), to the query. The query call returns all outgoing vertex of the edge

func SetQueryLanguageTo added in v0.1.3 

func SetQueryLanguageTo(ql QueryLanguage)

SetQueryLanguageTo sets the query language that shall be used. Per default QueryLanguageCosmosDB is in use.

func ShouldEscape 

func ShouldEscape(value string) bool

ShouldEscape returns true in case the given string needs to be escaped.

func ShouldUnescape added in v0.1.1 

func ShouldUnescape(value string) bool

ShouldUnescape returns true in case the given string needs to be unescaped.

func ToValueMap 

func ToValueMap(input []byte) (map[string]TypedValue, error)

ToValueMap converts the given input byte array into a map of TypedValue's. The method will fail in case the data in the given byte array does not consist of key value pairs where these values are primitive types.

func UnEscape 

func UnEscape(value string) string

UnEscape reverses potentially applied escaping. In case of an error the original input value will be returned

func Unfold added in v0.1.13 

func Unfold() interfaces.QueryBuilder

Unfold adds .unfold() to the query.

Types

type Edge 

type Edge struct {
	ID        string `mapstructure:"id"`
	Label     string `mapstructure:"label"`
	Type      Type   `mapstructure:"type"`
	InVLabel  string `mapstructure:"inVLabel"`
	InV       string `mapstructure:"inV"`
	OutVLabel string `mapstructure:"outVLabel"`
	OutV      string `mapstructure:"outV"`
}

Edge represents the cosmos DB type for an edge. As it would be returned by a call to g.E().

func ToEdges 

func ToEdges(input []byte) ([]Edge, error)

ToEdges converts the given input byte array into an array of Edge type. The method will fail in case the data in the given byte array does not contain values of type edge.

func (Edge) String 

func (e Edge) String() string

type Property 

type Property struct {
	ID    string     `mapstructure:"id"`
	Value TypedValue `mapstructure:"value,squash"`
	Label string     `mapstructure:"label"`
}

Property represents the cosmos db type for a property. As it would be returned by a call to .properties().

func ToProperties 

func ToProperties(input []byte) ([]Property, error)

ToProperties converts the given input byte array into an array of Property type. The method will fail in case the data in the given byte array does not contain values of type property.

type QueryLanguage added in v0.1.3 

type QueryLanguage string
const (
	QueryLanguageCosmosDB         QueryLanguage = "cosmos"
	QueryLanguageTinkerpopGremlin QueryLanguage = "tinkerpop"
)

type ResponseArray 

type ResponseArray []interfaces.Response

ResponseArray an array type for responses

func (ResponseArray) ToEdges 

func (responses ResponseArray) ToEdges() ([]Edge, error)

ToEdges converts the given ResponseArray into an array of Edge type. The method will fail in case the data in the given ResponseArray does not contain values of type edge.

func (ResponseArray) ToProperties 

func (responses ResponseArray) ToProperties() ([]Property, error)

ToProperties converts the given ResponseArray into an array of Property type. The method will fail in case the data in the given ResponseArray does not contain values of type property.

func (ResponseArray) ToValues 

func (responses ResponseArray) ToValues() ([]TypedValue, error)

ToValues converts the given ResponseArray into an array of TypedValue type. The method will fail in case the data in the given ResponseArray does not contain primitive values.

func (ResponseArray) ToVertices 

func (responses ResponseArray) ToVertices() ([]Vertex, error)

ToVertices converts the given ResponseArray into an array of Vertex type. The method will fail in case the data in the given ResponseArray does not contain values of type vertex.

type Type 

type Type string

Type defines the cosmos db complex types 

const (
	TypeVertex Type = "vertex"
	TypeEdge   Type = "edge"
)

type TypedValue 

type TypedValue struct {
	Value interface{}
}

TypedValue represents the cosmos DB type for a value in case it is not used/ attached to a complex type.

func ToValues 

func ToValues(input []byte) ([]TypedValue, error)

ToValues converts the given input byte array into an array of TypedValue type. The method will fail in case the data in the given byte array does not contain primitive values.

func (TypedValue) AsBool 

func (tv TypedValue) AsBool() bool

func (TypedValue) AsBoolE 

func (tv TypedValue) AsBoolE() (bool, error)

func (TypedValue) AsFloat64 

func (tv TypedValue) AsFloat64() float64

func (TypedValue) AsFloat64E 

func (tv TypedValue) AsFloat64E() (float64, error)

func (TypedValue) AsInt32 

func (tv TypedValue) AsInt32() int32

func (TypedValue) AsInt32E 

func (tv TypedValue) AsInt32E() (int32, error)

func (TypedValue) AsInt64E added in v0.1.28 

func (tv TypedValue) AsInt64E() (int64, error)

func (TypedValue) AsString 

func (tv TypedValue) AsString() string

func (TypedValue) AsStringE 

func (tv TypedValue) AsStringE() (string, error)

func (TypedValue) String 

func (tv TypedValue) String() string

type ValueWithID 

type ValueWithID struct {
	ID    string     `mapstructure:"id"`
	Value TypedValue `mapstructure:"value,squash"`
}

ValueWithID represents the cosmos DB type for a value in case it is used/ attached to a complex type.

type Vertex 

type Vertex struct {
	Type       Type              `mapstructure:"type"`
	ID         string            `mapstructure:"id"`
	Label      string            `mapstructure:"label"`
	Properties VertexPropertyMap `mapstructure:"properties"`
}

Vertex represents the cosmos DB type for an vertex. As it would be returned by a call to g.V().

func ToVertex added in v0.1.27 

func ToVertex(input interface{}) (Vertex, error)

ToVertex casts the given object into a vertex

func ToVertices 

func ToVertices(input []byte) ([]Vertex, error)

ToVertices converts the given input byte array into an array of Vertex type. The method will fail in case the data in the given byte array does not contain values of type vertex.

func (Vertex) String 

func (v Vertex) String() string

type VertexPropertyMap 

type VertexPropertyMap map[string][]ValueWithID

func (VertexPropertyMap) AsInt32 

func (vpm VertexPropertyMap) AsInt32(key string) (int32, error)

func (VertexPropertyMap) AsString 

func (vpm VertexPropertyMap) AsString(key string) (string, error)

func (VertexPropertyMap) Value 

func (vpm VertexPropertyMap) Value(key string) (ValueWithID, bool)

Value returns the first value of the properties for this key the others are ignored. Anyway it is not possible to store multiple values for one property key.

Source Files

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