CSSelectTerm

@objc
public final class CSSelectTerm : NSObject

The CSSelectTerm serves as the Objective-C bridging type for SelectTerm.

See also

SelectTerm

  • Provides a CSSelectTerm to a CSSelect clause for querying an entity attribute.

    NSString *fullName = [CSCoreStore
    queryValueFrom:[CSFrom entityClass:[MyPersonEntity class]]
    select:CSSelectString(CSAttribute(@"fullname"))
    fetchClauses:@[[CSWhere keyPath:@"employeeID" isEqualTo: @1111]]];

    Declaration

    Swift

    @objc
public convenience init(keyPath: KeyPathString)

    Parameters

    keyPath

    the attribute name

  • Provides a CSSelectTerm to a CSSelect clause for querying the average value of an attribute.

    NSNumber *averageAge = [CSCoreStore
    queryValueFrom:[CSFrom entityClass:[MyPersonEntity class]]
    select:[CSSelect numberForTerm:[CSSelectTerm average:@"age" as:nil]]];

    Declaration

    Swift

    @objc
public static func average(_ keyPath: KeyPathString, as alias: KeyPathString?) -> CSSelectTerm

    Parameters

    keyPath

    the attribute name

    Return Value

    a CSSelectTerm to a CSSelect clause for querying the average value of an attribute

  • Provides a CSSelectTerm to a CSSelect clause for a count query.

    NSNumber *numberOfEmployees = [CSCoreStore
    queryValueFrom:[CSFrom entityClass:[MyPersonEntity class]]
    select:[CSSelect numberForTerm:[CSSelectTerm count:@"employeeID" as:nil]]];

    Declaration

    Swift

    @objc
public static func count(_ keyPath: KeyPathString, as alias: KeyPathString?) -> CSSelectTerm

    Parameters

    keyPath

    the attribute name
    alias

    the dictionary key to use to access the result. Ignored when the query return value is not an NSDictionary. If nil, the default key count() is used

    Return Value

    a SelectTerm to a Select clause for a count query

  • Provides a CSSelectTerm to a CSSelect clause for querying the maximum value for an attribute.

    NSNumber *maximumAge = [CSCoreStore
    queryValueFrom:[CSFrom entityClass:[MyPersonEntity class]]
    select:[CSSelect numberForTerm:[CSSelectTerm maximum:@"age" as:nil]]];

    Declaration

    Swift

    @objc
public static func maximum(_ keyPath: KeyPathString, as alias: KeyPathString?) -> CSSelectTerm

    Parameters

    keyPath

    the attribute name
    alias

    the dictionary key to use to access the result. Ignored when the query return value is not an NSDictionary. If nil, the default key max() is used

    Return Value

    a CSSelectTerm to a CSSelect clause for querying the maximum value for an attribute

  • Provides a CSSelectTerm to a CSSelect clause for querying the minimum value for an attribute.

    NSNumber *minimumAge = [CSCoreStore
    queryValueFrom:[CSFrom entityClass:[MyPersonEntity class]]
    select:[CSSelect numberForTerm:[CSSelectTerm minimum:@"age" as:nil]]];

    Declaration

    Swift

    @objc
public static func minimum(_ keyPath: KeyPathString, as alias: KeyPathString?) -> CSSelectTerm

    Parameters

    keyPath

    the attribute name
    alias

    the dictionary key to use to access the result. Ignored when the query return value is not an NSDictionary. If nil, the default key min() is used

    Return Value

    a CSSelectTerm to a CSSelect clause for querying the minimum value for an attribute

  • Provides a CSSelectTerm to a CSSelect clause for querying the sum value for an attribute.

    NSNumber *totalAge = [CSCoreStore
    queryValueFrom:[CSFrom entityClass:[MyPersonEntity class]]
    select:[CSSelect numberForTerm:[CSSelectTerm sum:@"age" as:nil]]];

    Declaration

    Swift

    @objc
public static func sum(_ keyPath: KeyPathString, as alias: KeyPathString?) -> CSSelectTerm

    Parameters

    keyPath

    the attribute name
    alias

    the dictionary key to use to access the result. Ignored when the query return value is not an NSDictionary. If nil, the default key sum() is used

    Return Value

    a CSSelectTerm to a CSSelect clause for querying the sum value for an attribute

  • Provides a CSSelectTerm to a CSSelect clause for querying the NSManagedObjectID.

    NSManagedObjectID *objectID = [CSCoreStore
    queryValueFrom:[CSFrom entityClass:[MyPersonEntity class]]
    select:[CSSelect objectIDForTerm:[CSSelectTerm objectIDAs:nil]]
    fetchClauses:@[[CSWhere keyPath:@"employeeID" isEqualTo: @1111]]];

    Declaration

    Swift

    @objc
public static func objectIDAs(_ alias: KeyPathString? = nil) -> CSSelectTerm

    Parameters

    alias

    the dictionary key to use to access the result. Ignored when the query return value is not an NSDictionary. If nil, the default key objecID is used

    Return Value

    a SelectTerm to a Select clause for querying the sum value for an attribute