GPKGFeatureColumns

Objective-C

@interface GPKGFeatureColumns : GPKGUserColumns

Swift

class GPKGFeatureColumns : GPKGUserColumns

Collection of feature columns

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  • Geometry column name

    Declaration

    Objective-C

    @property (nonatomic, strong) NSString *geometryColumnName;

    Swift

    var geometryColumnName: String! { get set }
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  • Geometry column index

    Declaration

    Objective-C

    @property (nonatomic) int geometryIndex;

    Swift

    var geometryIndex: Int32 { get set }
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  • Initialize

    Declaration

    Objective-C

    - (instancetype)initWithTable:(NSString *)tableName
            andGeometryColumn:(NSString *)geometryColumn
                   andColumns:(NSArray *)columns;

    Swift

    init!(table tableName: String!, andGeometryColumn geometryColumn: String!, andColumns columns: [Any]!)

    Parameters

    tableName

    table name
    geometryColumn

    geometry column
    columns

    columns

    Return Value

    new feature columns

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  • Initialize

    Declaration

    Objective-C

    - (instancetype)initWithTable:(NSString *)tableName
            andGeometryColumn:(NSString *)geometryColumn
                   andColumns:(NSArray *)columns
                    andCustom:(BOOL)custom;

    Swift

    init!(table tableName: String!, andGeometryColumn geometryColumn: String!, andColumns columns: [Any]!, andCustom custom: Bool)

    Parameters

    tableName

    table name
    geometryColumn

    geometry column
    columns

    columns
    custom

    custom column specification

    Return Value

    new feature columns

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  • Initialize

    Declaration

    Objective-C

    - (instancetype)initWithFeatureColumns:(GPKGFeatureColumns *)featureColumns;

    Swift

    init!(featureColumns: GPKGFeatureColumns!)

    Parameters

    featureColumns

    feature columns

    Return Value

    new feature columns

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  • Check if the table has a geometry column

    Declaration

    Objective-C

    - (BOOL)hasGeometryColumn;

    Swift

    func hasGeometryColumn() -> Bool

    Return Value

    true if has a geometry column

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  • Get the geometry feature column

    Declaration

    Objective-C

    - (GPKGFeatureColumn *)geometryColumn;

    Swift

    func geometryColumn() -> GPKGFeatureColumn!

    Return Value

    geometry feature column

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