CSSelect

@objc
public final class CSSelect : NSObject

The CSSelect serves as the Objective-C bridging type for Select.

See also

Select
  • Creates a CSSelect clause for querying NSNumber values.

    NSNumber *maxAge = [CSCoreStore
       queryValueFrom:CSFromClass([MyPersonEntity class])
       select:CSSelectNumber(CSAggregateMax(@"age"))
       // ...
    

    Declaration

    Swift

    @objc
    public convenience init(numberTerm: CSSelectTerm)

    Parameters

    numberTerm

    the CSSelectTerm specifying the attribute/aggregate value to query

  • Creates a CSSelect clause for querying NSDecimalNumber values.

    NSDecimalNumber *averagePrice = [CSCoreStore
       queryValueFrom:CSFromClass([MyPersonEntity class])
       select:CSSelectDecimal(CSAggregateAverage(@"price"))
       // ...
    

    Declaration

    Swift

    @objc
    public convenience init(decimalTerm: CSSelectTerm)

    Parameters

    decimalTerm

    the CSSelectTerm specifying the attribute/aggregate value to query

  • Creates a CSSelect clause for querying NSString values.

    NSString *fullname = [CSCoreStore
       queryValueFrom:CSFromClass([MyPersonEntity class])
       select:CSSelectString(CSAttribute(@"fullname"))
       // ...
    

    Declaration

    Swift

    @objc
    public convenience init(stringTerm: CSSelectTerm)

    Parameters

    stringTerm

    the CSSelectTerm specifying the attribute/aggregate value to query

  • Creates a CSSelect clause for querying NSDate values.

    NSDate *lastUpdate = [CSCoreStore
       queryValueFrom:CSFromClass([MyPersonEntity class])
       select:CSSelectDate(CSAggregateMax(@"updatedDate"))
       // ...
    

    Declaration

    Swift

    @objc
    public convenience init(dateTerm: CSSelectTerm)

    Parameters

    dateTerm

    the CSSelectTerm specifying the attribute/aggregate value to query

  • Creates a CSSelect clause for querying NSData values.

    NSData *imageData = [CSCoreStore
       queryValueFrom:CSFromClass([MyPersonEntity class])
       select:CSSelectData(CSAttribute(@"imageData"))
       // ...
    

    Declaration

    Swift

    @objc
    public convenience init(dataTerm: CSSelectTerm)

    Parameters

    dataTerm

    the CSSelectTerm specifying the attribute/aggregate value to query

  • Creates a CSSelect clause for querying NSManagedObjectID values.

    NSManagedObjectID *objectID = [CSCoreStore
       queryValueFrom:CSFromClass([MyPersonEntity class])
       select:CSSelectObjectID()
       // ...
    

    Declaration

    Swift

    @objc
    public convenience init(objectIDTerm: ())
  • Creates a CSSelect clause for querying NSDictionary of an entity’s attribute keys and values.

    NSDictionary *keyValues = [CSCoreStore
        queryValueFrom:[CSFrom entityClass:[MyPersonEntity class]]
        select:[CSSelect dictionaryForTerm:[CSSelectTerm maximum:@"age" as:nil]]];
    

    Declaration

    Swift

    @objc
    public static func dictionaryForTerm(_ term: CSSelectTerm) -> CSSelect

    Parameters

    term

    the CSSelectTerm specifying the attribute/aggregate value to query

    Return Value

    a CSSelect clause for querying an entity attribute

  • Creates a CSSelect clause for querying NSDictionary of an entity’s attribute keys and values.

    NSDictionary *keyValues = [CSCoreStore
        queryValueFrom:[CSFrom entityClass:[MyPersonEntity class]]
        select:[CSSelect dictionaryForTerms:@[
            [CSSelectTerm attribute:@"name" as:nil],
            [CSSelectTerm attribute:@"age" as:nil]
        ]]];
    

    Declaration

    Swift

    @objc
    public static func dictionaryForTerms(_ terms: [CSSelectTerm]) -> CSSelect

    Parameters

    terms

    the CSSelectTerms specifying the attribute/aggregate values to query

    Return Value

    a CSSelect clause for querying an entity attribute