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Add Fragments.in with 3 parameters #1739

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Add Fragments.in with 3 parameters #1739

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4 changes: 4 additions & 0 deletions modules/core/src/main/scala/doobie/util/fragments.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,10 @@ object fragments {
def in[F[_]: Reducible, A: util.Put, B: util.Put](f: Fragment, fs: F[(A,B)]): Fragment =
fs.toList.map { case (a,b) => fr0"($a,$b)" }.foldSmash1(f ++ fr0"IN (", fr",", fr")")

/** Returns `f IN ((fs0-A, fs0-B, fs0-C), (fs1-A, fs1-B, fs1-C), ...)`. */
def in[F[_]: Reducible, A: util.Put, B: util.Put, C: util.Put](f: Fragment, fs: F[(A,B,C)]): Fragment =
fs.toList.map { case (a,b,c) => fr0"($a,$b,$c)" }.foldSmash1(f ++ fr0"IN (", fr",", fr")")

/** Returns `f NOT IN (fs0, fs1, ...)`. */
def notIn[F[_]: Reducible, A: util.Put](f: Fragment, fs: F[A]): Fragment =
fs.toList.map(a => fr0"$a").foldSmash1(f ++ fr0"NOT IN (", fr",", fr")")
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4 changes: 4 additions & 0 deletions modules/core/src/test/scala/doobie/util/FragmentsSuite.scala
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Expand Up @@ -40,6 +40,10 @@ class FragmentsSuite extends munit.FunSuite {
assertEquals(in(fr"foo", NonEmptyList.of((1, true), (2, false))).query[Unit].sql, "foo IN ((?,?), (?,?)) ")
}

test("in for three columns") {
assertEquals(in(fr"foo", NonEmptyList.of((1, true, 3), (2, false, 4))).query[Unit].sql, "foo IN ((?,?,?), (?,?,?)) ")
}

test("notIn") {
assertEquals(notIn(fr"foo", nel).query[Unit].sql, "foo NOT IN (?, ?, ?) ")
}
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