Sequence

protocol Sequence

  • Returns a cursor over the concatenated results of mapping transform over self.

    Declaration

    Swift

    public func flatMap<SegmentOfResult: Cursor>(_ transform: @escaping (Iterator.Element) throws -> SegmentOfResult) -> FlattenCursor<MapCursor<IteratorCursor<Iterator>, SegmentOfResult>>
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  • An SQL expression that checks the inclusion of an expression in a sequence.

    // id IN (1,2,3)
[1, 2, 3].contains(Column("id"))

    Declaration

    Swift

    public func contains(_ element: SQLSpecificExpressible) -> SQLExpression
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  • An SQL expression that checks the inclusion of an expression in a sequence.

    // name IN ('A', 'B') COLLATE NOCASE
["A", "B"].contains(Column("name").collating(.nocase))

    Declaration

    Swift

    public func contains(_ element: SQLCollatedExpression) -> SQLExpression
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