38 lines
1.6 KiB
Swift
38 lines
1.6 KiB
Swift
//
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// SQLite.swift
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// https://github.com/stephencelis/SQLite.swift
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// Copyright © 2014-2015 Stephen Celis.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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extension Module {
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public static func RTree<T : Value, U : Value>(_ primaryKey: Expression<T>, _ pairs: (Expression<U>, Expression<U>)...) -> Module where T.Datatype == Int64, U.Datatype == Double {
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var arguments: [Expressible] = [primaryKey]
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for pair in pairs {
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arguments.append(contentsOf: [pair.0, pair.1] as [Expressible])
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}
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return Module(name: "rtree", arguments: arguments)
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}
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}
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