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Sequence Extension Reference
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<Self.Iterator>, SegmentOfResult>>
-
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 -
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