Google Cloud Datastore v1 API - Class QueryExtensions (4.7.0)

public static class QueryExtensions

Reference documentation and code samples for the Google Cloud Datastore v1 API class QueryExtensions.

Extension methods around queries.

Inheritance

object > QueryExtensions

Inherited Members

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ToString()

Namespace

Google.Cloud.Datastore.V1

Assembly

Google.Cloud.Datastore.V1.dll

Methods

Add(MapField<string, GqlQueryParameter>, string, Value)

public static void Add(this MapField<string, GqlQueryParameter> parameters, string parameterName, Value value)

Adds a GQL parameter with the specified value.

Parameters
Name	Description
`parameters`	`MapFieldstringGqlQueryParameter` The mapping of GQL query parameters to add to. Must not be null.
`parameterName`	`string` The name of the parameter. Must not be null.
`value`	`Value` The value to add. May be null, which indicates a value with NullValue set.

Add(RepeatedField<GqlQueryParameter>, Value)

public static void Add(this RepeatedField<GqlQueryParameter> parameters, Value value)

Adds a GQL parameter with the specified value.

Parameters
Name	Description
`parameters`	`RepeatedFieldGqlQueryParameter` The list of positional GQL query parameters to add to. Must not be null.
`value`	`Value` The value to add. May be null, which indicates a value with NullValue set.

Add(RepeatedField<Projection>, string)

public static void Add(this RepeatedField<Projection> projections, string propertyName)

Adds a projection with the given property name to the repeated field. This enables projections to be specified in a query with a collection initializer in C# 6 and later.

Parameters
Name	Description
`projections`	`RepeatedFieldProjection` The collection of projections to add to. Must not be null.
`propertyName`	`string` The property to project. Must not be null.

Add(RepeatedField<PropertyOrder>, string)

public static void Add(this RepeatedField<PropertyOrder> orderings, string propertyName)

Adds an ascending ordering by property name. The ordering is implicitly ascending.

Parameters
Name	Description
`orderings`	`RepeatedFieldPropertyOrder` The ordering field to add the ordering to. Must not be null.
`propertyName`	`string` The name of the property to order by. Must not be null.

Add(RepeatedField<PropertyOrder>, string, Direction)

public static void Add(this RepeatedField<PropertyOrder> orderings, string propertyName, PropertyOrder.Types.Direction direction)

Adds an ordering by property name and direction.

Parameters
Name	Description
`orderings`	`RepeatedFieldPropertyOrder` The ordering field to add the ordering to. Must not be null.
`propertyName`	`string` The name of the property to order by. Must not be null.
`direction`	`PropertyOrderTypesDirection` The direction to order by. Must be `Ascending` or `Descending`.

Add(RepeatedField<PropertyReference>, string)

public static void Add(this RepeatedField<PropertyReference> propertyReferences, string propertyName)

Adds an entry to the list of property references. This enables repeated property reference fields (such as DistinctOn to be specified in a query with a collection initializer in C# 6 and later.

Parameters
Name	Description
`propertyReferences`	`RepeatedFieldPropertyReference` The collection of property references to add to. Must not be null.
`propertyName`	`string` The property to project. Must not be null.