src/Postgres/Library.fs

@@ -46,6 +46,23 @@ module private Helpers =
         ()
     }
     
+    /// Create a numerically-typed parameter, or use the given parameter derivation function if non-(numeric or string)
+    let internal parameterFor<'T> (value: 'T) (catchAllFunc: 'T -> SqlValue) =
+        match box value with
+        | :? int8    as it -> Sql.int8 it
+        | :? uint8   as it -> Sql.int8 (int8 it)
+        | :? int16   as it -> Sql.int16 it
+        | :? uint16  as it -> Sql.int16 (int16 it)
+        | :? int     as it -> Sql.int it
+        | :? uint32  as it -> Sql.int (int it)
+        | :? int64   as it -> Sql.int64 it
+        | :? uint64  as it -> Sql.int64 (int64 it)
+        | :? decimal as it -> Sql.decimal it
+        | :? single  as it -> Sql.double (double it)
+        | :? double  as it -> Sql.double it
+        | :? string  as it -> Sql.string it
+        | _                -> catchAllFunc value
+
 
 open BitBadger.Documents
 
@@ -56,21 +73,7 @@ module Parameters =
     /// Create an ID parameter (name "@id", key will be treated as a string)
     [<CompiledName "Id">]
     let idParam (key: 'TKey) =
-        match box key with
+        "@id", parameterFor key (fun it -> Sql.string (string it))
-        | :? int8 as it -> Sql.int8 it
-        | :? uint8 as it -> Sql.int8 (int8 it)
-        | :? int16 as it -> Sql.int16 it
-        | :? uint16 as it -> Sql.int16 (int16 it)
-        | :? int as it -> Sql.int it
-        | :? uint32 as it -> Sql.int (int it)
-        | :? int64 as it -> Sql.int64 it
-        | :? uint64 as it -> Sql.int64 (int64 it)
-        | :? decimal as it -> Sql.decimal it
-        | :? single as it -> Sql.double (double it)
-        | :? double as it -> Sql.double it
-        | :? string as it -> Sql.string it
-        | _ -> Sql.string (string key)
-        |> function it -> "@id", it
 
     /// Create a parameter with a JSON value
     [<CompiledName "Json">]
@@ -89,11 +92,13 @@ module Parameters =
                 | BT ->
                     let p      = name.Derive it.ParameterName
                     let values = it.Value :?> obj list
-                    yield ($"{p}min", Sql.parameter (NpgsqlParameter($"{p}min", List.head values)))
+                    yield ($"{p}min",
-                    yield ($"{p}max", Sql.parameter (NpgsqlParameter($"{p}max", List.last values)))
+                           parameterFor (List.head values) (fun v -> Sql.parameter (NpgsqlParameter($"{p}min", v))))
+                    yield ($"{p}max",
+                           parameterFor (List.last values) (fun v -> Sql.parameter (NpgsqlParameter($"{p}max", v))))
                 | _ ->
                     let p = name.Derive it.ParameterName
-                    yield (p, Sql.parameter (NpgsqlParameter(p, it.Value))) })
+                    yield (p, parameterFor it.Value (fun v -> Sql.parameter (NpgsqlParameter(p, v)))) })
         |> Seq.collect id
         |> Seq.append parameters
         |> Seq.toList
@@ -131,27 +136,30 @@ module Query =
     [<CompiledName "WhereByFields">]
     let whereByFields howMatched fields =
         let name = ParameterName()
+        let isNumeric (it: obj) =
+            match it with
+            | :? int8    | :? uint8  | :? int16  | :? uint16 | :? int | :? uint32 | :? int64 | :? uint64
+            | :? decimal | :? single | :? double -> true
+            | _ -> false
         fields
         |> Seq.map (fun it ->
             match it.Op with
             | EX | NEX -> $"{it.Path PostgreSQL} {it.Op}"
-            | BT ->
+            | _ ->
-                let p           = name.Derive it.ParameterName
+                let p            = name.Derive it.ParameterName
-                let path, value =
+                let param, value =
                     match it.Op with
                     | BT -> $"{p}min AND {p}max", (it.Value :?> obj list)[0]
                     | _  -> p, it.Value
-                match value with
+                if isNumeric value then
-                | :? int8    | :? uint8  | :? int16  | :? uint16 | :? int | :? uint32 | :? int64 | :? uint64
+                    $"({it.Path PostgreSQL})::numeric {it.Op} {param}"
-                | :? decimal | :? single | :? double -> $"({it.Path PostgreSQL})::numeric {it.Op} {path}"
+                else $"{it.Path PostgreSQL} {it.Op} {param}")
-                | _ -> $"{it.Path PostgreSQL} {it.Op} {path}"
-            | _ -> $"{it.Path PostgreSQL} {it.Op} {name.Derive it.ParameterName}")
         |> String.concat (match howMatched with Any -> " OR " | All -> " AND ")
 
     /// Create a WHERE clause fragment to implement an ID-based query
     [<CompiledName "WhereById">]
-    let whereById paramName =
+    let whereById<'TKey> (docId: 'TKey) =
-        whereByFields Any [ { Field.EQ (Configuration.idField ()) 0 with ParameterName = Some paramName } ]
+        whereByFields Any [ { Field.EQ (Configuration.idField ()) docId with ParameterName = Some "@id" } ]
     
     /// Table and index definition queries
     module Definition =
@@ -191,9 +199,7 @@ module Query =
     /// Create a query by a document's ID
     [<CompiledName "ById">]
     let byId<'TKey> statement (docId: 'TKey) =
-        Query.statementWhere
+        Query.statementWhere statement (whereById docId)
-            statement
-            (whereByFields Any [ { Field.EQ (Configuration.idField ()) docId with ParameterName = Some "@id" } ])
     
     /// Create a query on JSON fields
     [<CompiledName "ByFields">]
@@ -359,7 +365,7 @@ module WithProps =
         /// Determine if a document exists for the given ID
         [<CompiledName "ById">]
         let byId tableName (docId: 'TKey) sqlProps =
-            Custom.scalar (Query.exists tableName (Query.whereById "@id")) [ idParam docId ] toExists sqlProps
+            Custom.scalar (Query.exists tableName (Query.whereById docId)) [ idParam docId ] toExists sqlProps
 
         /// Determine if a document exists using JSON field comparisons (->> =)
         [<CompiledName "ByFields">]
@@ -537,9 +543,7 @@ module WithProps =
         [<CompiledName "ById">]
         let byId tableName (docId: 'TKey) (document: 'TDoc) sqlProps =
             Custom.nonQuery
-                (Query.statementWhere (Query.update tableName) (Query.whereById "@id"))
+                (Query.byId (Query.update tableName) docId) [ idParam docId; jsonParam "@data" document ] sqlProps
-                [ idParam docId; jsonParam "@data" document ]
-                sqlProps
         
         /// Update an entire document by its ID, using the provided function to obtain the ID from the document
         [<CompiledName "FSharpByFunc">]

src/Tests.CSharp/PostgresCSharpTests.cs

@@ -20,12 +20,93 @@ public static class PostgresCSharpTests
     [
         TestList("Parameters",
         [
-            TestCase("Id succeeds", () =>
+            TestList("Id",
-            {
+            [
-                var it = Parameters.Id(88);
+                // NOTE: these tests also exercise all branches of the internal parameterFor function
-                Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                TestCase("succeeds for byte ID", () =>
-                Expect.equal(it.Item2, Sql.@string("88"), "ID parameter value incorrect");
+                {
-            }),
+                    var it = Parameters.Id((sbyte)7);
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.int8(7), "Byte ID parameter not constructed correctly");
+                }),
+                TestCase("succeeds for unsigned byte ID", () =>
+                {
+                    var it = Parameters.Id((byte)7);
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.int8(7), "Unsigned byte ID parameter not constructed correctly");
+                }),
+                TestCase("succeeds for short ID", () =>
+                {
+                    var it = Parameters.Id((short)44);
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.int16(44), "Short ID parameter not constructed correctly");
+                }),
+                TestCase("succeeds for unsigned short ID", () =>
+                {
+                    var it = Parameters.Id((ushort)64);
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.int16(64), "Unsigned short ID parameter not constructed correctly");
+                }),
+                TestCase("succeeds for integer ID", () =>
+                {
+                    var it = Parameters.Id(88);
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.@int(88), "ID parameter value incorrect");
+                }),
+                TestCase("succeeds for unsigned integer ID", () =>
+                {
+                    var it = Parameters.Id((uint)889);
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.@int(889), "Unsigned int ID parameter not constructed correctly");
+                }),
+                TestCase("succeeds for long ID", () =>
+                {
+                    var it = Parameters.Id((long)123);
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.int64(123), "Long ID parameter not constructed correctly");
+                }),
+                TestCase("succeeds for unsigned long ID", () =>
+                {
+                    var it = Parameters.Id((ulong)6464);
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.int64(6464),
+                        "Unsigned long ID parameter not constructed correctly");
+                }),
+                TestCase("succeeds for decimal ID", () =>
+                {
+                    var it = Parameters.Id((decimal)4.56);
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.@decimal((decimal)4.56),
+                        "Decimal ID parameter not constructed correctly");
+                }),
+                TestCase("succeeds for single ID", () =>
+                {
+                    var it = Parameters.Id((float)5.67);
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.@double((float)5.67),
+                        "Single ID parameter not constructed correctly");
+                }),
+                TestCase("succeeds for double ID", () =>
+                {
+                    var it = Parameters.Id(6.78);
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.@double(6.78),
+                        "Double ID parameter not constructed correctly");
+                }),
+                TestCase("succeeds for string ID", () =>
+                {
+                    var it = Parameters.Id("99");
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.@string("99"), "ID parameter value incorrect");
+                }),
+                TestCase("succeeds for non-numeric non-string ID", () =>
+                {
+                    var it = Parameters.Id(new Uri("https://example.com"));
+                    Expect.equal(it.Item1, "@id", "ID parameter not constructed correctly");
+                    Expect.equal(it.Item2, Sql.@string("https://example.com/"),
+                        "Non-numeric, non-string parameter value incorrect");
+                })
+            ]),
             TestCase("Json succeeds", () =>
             {
                 var it = Parameters.Json("@test", new { Something = "good" });
@@ -40,10 +121,7 @@ public static class PostgresCSharpTests
                     Expect.hasLength(paramList, 1, "There should have been a parameter added");
                     var (name, value) = paramList[0];
                     Expect.equal(name, "@field0", "Field parameter name not correct");
-                    if (!value.IsParameter)
+                    Expect.equal(value, Sql.@string("242"), "Field parameter value not correct");
-                    {
-                        Expect.isTrue(false, "The parameter was not a Parameter type");
-                    }
                 }),
                 TestCase("succeeds when multiple independent parameters are added", () =>
                 {
@@ -52,22 +130,13 @@ public static class PostgresCSharpTests
                     Expect.hasLength(paramList, 3, "There should have been 2 parameters added");
                     var (name, value) = paramList[0];
                     Expect.equal(name, "@id", "First field parameter name not correct");
-                    if (!value.IsString)
+                    Expect.equal(value, Sql.@int(14), "First field parameter value not correct");
-                    {
-                        Expect.isTrue(false, "First parameter was not a String type");
-                    }
                     (name, value) = paramList[1];
                     Expect.equal(name, "@field0", "Second field parameter name not correct");
-                    if (!value.IsParameter)
+                    Expect.equal(value, Sql.@string("you"), "Second field parameter value not correct");
-                    {
-                        Expect.isTrue(false, "Second parameter was not a Parameter type");
-                    }
                     (name, value) = paramList[2];
                     Expect.equal(name, "@field1", "Third parameter name not correct");
-                    if (!value.IsParameter)
+                    Expect.equal(value, Sql.@string("them"), "Third parameter value not correct");
-                    {
-                        Expect.isTrue(false, "Third parameter was not a Parameter type");
-                    }
                 }),
                 TestCase("succeeds when a parameter is not added", () =>
                 {
@@ -81,16 +150,10 @@ public static class PostgresCSharpTests
                     Expect.hasLength(paramList, 2, "There should have been 2 parameters added");
                     var (name, value) = paramList[0];
                     Expect.equal(name, "@testmin", "Minimum field name not correct");
-                    if (!value.IsParameter)
+                    Expect.equal(value, Sql.@string("eh"), "Minimum field value not correct");
-                    {
-                        Expect.isTrue(false, "Minimum parameter was not a Parameter type");
-                    }
                     (name, value) = paramList[1];
                     Expect.equal(name, "@testmax", "Maximum field name not correct");
-                    if (!value.IsParameter)
+                    Expect.equal(value, Sql.@string("zed"), "Maximum field value not correct");
-                    {
-                        Expect.isTrue(false, "Maximum parameter was not a Parameter type");
-                    }
                 })
             ]),
 #pragma warning disable CS0618
@@ -101,7 +164,7 @@ public static class PostgresCSharpTests
                     var it = Parameters.AddField("@field", Field.EQ("it", "242"), []).ToList();
                     Expect.hasLength(it, 1, "There should have been a parameter added");
                     Expect.equal(it[0].Item1, "@field", "Field parameter not constructed correctly");
-                    Expect.isTrue(it[0].Item2.IsParameter, "Field parameter value incorrect");
+                    Expect.isTrue(it[0].Item2.IsString, "Field parameter value incorrect");
                 }),
                 TestCase("succeeds when a parameter is not added", () =>
                 {
@@ -113,9 +176,9 @@ public static class PostgresCSharpTests
                     var it = Parameters.AddField("@field", Field.BT("that", "eh", "zed"), []).ToList();
                     Expect.hasLength(it, 2, "There should have been 2 parameters added");
                     Expect.equal(it[0].Item1, "@fieldmin", "Minimum field name not correct");
-                    Expect.isTrue(it[0].Item2.IsParameter, "Minimum field parameter value incorrect");
+                    Expect.isTrue(it[0].Item2.IsString, "Minimum field parameter value incorrect");
                     Expect.equal(it[1].Item1, "@fieldmax", "Maximum field name not correct");
-                    Expect.isTrue(it[1].Item2.IsParameter, "Maximum field parameter value incorrect");
+                    Expect.isTrue(it[1].Item2.IsString, "Maximum field parameter value incorrect");
                 })
             ]),
 #pragma warning restore CS0618
@@ -172,7 +235,7 @@ public static class PostgresCSharpTests
                 {
                     Expect.equal(
                         Postgres.Query.WhereByFields(FieldMatch.Any,
-                            [Field.GT("theField", 0).WithParameterName("@test")]),
+                            [Field.GT("theField", "0").WithParameterName("@test")]),
                         "data->>'theField' > @test", "WHERE clause not correct");
                 }),
                 TestCase("succeeds for a single field when an existence operator is passed", () =>
@@ -206,7 +269,8 @@ public static class PostgresCSharpTests
                     Expect.equal(
                         Postgres.Query.WhereByFields(FieldMatch.Any,
                             [Field.NEX("thatField"), Field.GE("thisField", 18)]),
-                        "data->>'thatField' IS NULL OR data->>'thisField' >= @field0", "WHERE clause not correct");
+                        "data->>'thatField' IS NULL OR (data->>'thisField')::numeric >= @field0",
+                        "WHERE clause not correct");
                 }),
                 TestCase("succeeds for all multiple fields with between operators", () =>
                 {
@@ -217,10 +281,23 @@ public static class PostgresCSharpTests
                         "WHERE clause not correct");
                 })
             ]),
-            TestCase("WhereById succeeds", () =>
+            TestList("WhereById",
-            {
+            [
-                Expect.equal(Postgres.Query.WhereById("@id"), "data->>'Id' = @id", "WHERE clause not correct");
+                TestCase("succeeds for numeric ID", () =>
-            }),
+                {
+                    Expect.equal(Postgres.Query.WhereById(18), "(data->>'Id')::numeric = @id",
+                        "WHERE clause not correct");
+                }),
+                TestCase("succeeds for string ID", () =>
+                {
+                    Expect.equal(Postgres.Query.WhereById("18"), "data->>'Id' = @id", "WHERE clause not correct");
+                }),
+                TestCase("succeeds for non-numeric non-string ID", () =>
+                {
+                    Expect.equal(Postgres.Query.WhereById(new Uri("https://example.com")), "data->>'Id' = @id",
+                        "WHERE clause not correct");
+                }),
+            ]),
             TestList("Definition",
             [
                 TestCase("EnsureTable succeeds", () =>

src/Tests/PostgresTests.fs

@@ -11,9 +11,78 @@ open BitBadger.Documents.Tests
 let unitTests =
     testList "Unit" [
         testList "Parameters" [
-            test "idParam succeeds" {
+            testList "idParam" [
-                Expect.equal (idParam 88) ("@id", Sql.string "88") "ID parameter not constructed correctly"
+                // NOTE: these tests also exercise all branches of the internal parameterFor function
-            }
+                test "succeeds for byte ID" {
+                    Expect.equal
+                        (idParam (sbyte 7)) ("@id", Sql.int8 (sbyte 7)) "Byte ID parameter not constructed correctly"
+                }
+                test "succeeds for unsigned byte ID" {
+                    Expect.equal
+                        (idParam (byte 7))
+                        ("@id", Sql.int8 (int8 (byte 7)))
+                        "Unsigned byte ID parameter not constructed correctly"
+                }
+                test "succeeds for short ID" {
+                    Expect.equal
+                        (idParam (int16 44))
+                        ("@id", Sql.int16 (int16 44))
+                        "Short ID parameter not constructed correctly"
+                }
+                test "succeeds for unsigned short ID" {
+                    Expect.equal
+                        (idParam (uint16 64))
+                        ("@id", Sql.int16 (int16 64))
+                        "Unsigned short ID parameter not constructed correctly"
+                }
+                test "succeeds for integer ID" {
+                    Expect.equal (idParam 88) ("@id", Sql.int 88) "Int ID parameter not constructed correctly"
+                }
+                test "succeeds for unsigned integer ID" {
+                    Expect.equal
+                        (idParam (uint 889)) ("@id", Sql.int 889) "Unsigned int ID parameter not constructed correctly"
+                }
+                test "succeeds for long ID" {
+                    Expect.equal
+                        (idParam (int64 123))
+                        ("@id", Sql.int64 (int64 123))
+                        "Long ID parameter not constructed correctly"
+                }
+                test "succeeds for unsigned long ID" {
+                    Expect.equal
+                        (idParam (uint64 6464))
+                        ("@id", Sql.int64 (int64 6464))
+                        "Unsigned long ID parameter not constructed correctly"
+                }
+                test "succeeds for decimal ID" {
+                    Expect.equal
+                        (idParam (decimal 4.56))
+                        ("@id", Sql.decimal (decimal 4.56))
+                        "Decimal ID parameter not constructed correctly"
+                }
+                test "succeeds for single ID" {
+                    Expect.equal
+                        (idParam (single 5.67))
+                        ("@id", Sql.double (double (single 5.67)))
+                        "Single ID parameter not constructed correctly"
+                }
+                test "succeeds for double ID" {
+                    Expect.equal
+                        (idParam (double 6.78))
+                        ("@id", Sql.double (double 6.78))
+                        "Double ID parameter not constructed correctly"
+                }
+                test "succeeds for string ID" {
+                    Expect.equal (idParam "99") ("@id", Sql.string "99") "String ID parameter not constructed correctly"
+                }
+                test "succeeds for non-numeric non-string ID" {
+                    let target = { new obj() with override _.ToString() = "ToString was called" } 
+                    Expect.equal
+                        (idParam target)
+                        ("@id", Sql.string "ToString was called")
+                        "Non-numeric, non-string parameter not constructed correctly"
+                }
+            ]
             test "jsonParam succeeds" {
                 Expect.equal
                     (jsonParam "@test" {| Something = "good" |})
@@ -24,35 +93,20 @@ let unitTests =
                 test "succeeds when a parameter is added" {
                     let paramList = addFieldParams [ Field.EQ "it" "242" ] []
                     Expect.hasLength paramList 1 "There should have been a parameter added"
-                    let it = Seq.head paramList
+                    let name, value = Seq.head paramList
-                    Expect.equal (fst it) "@field0" "Field parameter name not correct"
+                    Expect.equal name "@field0" "Field parameter name not correct"
-                    match snd it with
+                    Expect.equal value (Sql.string "242") "Parameter value not correct"
-                    | SqlValue.Parameter value ->
-                        Expect.equal value.ParameterName "@field0" "Parameter name not correct"
-                        Expect.equal value.Value "242" "Parameter value not correct"
-                    | _ -> Expect.isTrue false "The parameter was not a Parameter type"
                 }
                 test "succeeds when multiple independent parameters are added" {
                     let paramList = addFieldParams [ Field.EQ "me" "you"; Field.GT "us" "them" ] [ idParam 14 ]
                     Expect.hasLength paramList 3 "There should have been 2 parameters added"
                     let p = Array.ofSeq paramList
                     Expect.equal (fst p[0]) "@id" "First field parameter name not correct"
-                    match snd p[0] with
+                    Expect.equal (snd p[0]) (Sql.int 14) "First parameter value not correct"
-                    | SqlValue.String value ->
-                        Expect.equal value "14" "First parameter value not correct"
-                    | _ -> Expect.isTrue false "First parameter was not a String type"
                     Expect.equal (fst p[1]) "@field0" "Second field parameter name not correct"
-                    match snd p[1] with
+                    Expect.equal (snd p[1]) (Sql.string "you") "Second parameter value not correct"
-                    | SqlValue.Parameter value ->
-                        Expect.equal value.ParameterName "@field0" "Second parameter name not correct"
-                        Expect.equal value.Value "you" "Second parameter value not correct"
-                    | _ -> Expect.isTrue false "Second parameter was not a Parameter type"
                     Expect.equal (fst p[2]) "@field1" "Third parameter name not correct"
-                    match snd p[2] with
+                    Expect.equal (snd p[2]) (Sql.string "them") "Third parameter value not correct"
-                    | SqlValue.Parameter value ->
-                        Expect.equal value.ParameterName "@field1" "Third parameter name not correct"
-                        Expect.equal value.Value "them" "Third parameter value not correct"
-                    | _ -> Expect.isTrue false "Third parameter was not a Parameter type"
                 }
                 test "succeeds when a parameter is not added" {
                     let paramList = addFieldParams [ Field.EX "tacos" ] []
@@ -62,33 +116,21 @@ let unitTests =
                     let paramList =
                         addFieldParams [ { Field.BT "that" "eh" "zed" with ParameterName = Some "@test" } ] []
                     Expect.hasLength paramList 2 "There should have been 2 parameters added"
-                    let min = Seq.head paramList
+                    let name, value = Seq.head paramList
-                    Expect.equal (fst min) "@testmin" "Minimum field name not correct"
+                    Expect.equal name "@testmin" "Minimum field name not correct"
-                    match snd min with
+                    Expect.equal value (Sql.string "eh") "Minimum parameter value not correct"
-                    | SqlValue.Parameter value ->
+                    let name, value = paramList |> Seq.skip 1 |> Seq.head
-                        Expect.equal value.ParameterName "@testmin" "Minimum parameter name not correct"
+                    Expect.equal name "@testmax" "Maximum field name not correct"
-                        Expect.equal value.Value "eh" "Minimum parameter value not correct"
+                    Expect.equal value (Sql.string "zed") "Maximum parameter value not correct"
-                    | _ -> Expect.isTrue false "Minimum parameter was not a Parameter type"
-                    let max = paramList |> Seq.skip 1 |> Seq.head
-                    Expect.equal (fst max) "@testmax" "Maximum field name not correct"
-                    match snd max with
-                    | SqlValue.Parameter value ->
-                        Expect.equal value.ParameterName "@testmax" "Maximum parameter name not correct"
-                        Expect.equal value.Value "zed" "Maximum parameter value not correct"
-                    | _ -> Expect.isTrue false "Maximum parameter was not a Parameter type"
                 }
             ]
             testList "addFieldParam" [
                 test "succeeds when a parameter is added" {
                     let paramList = addFieldParam "@field" (Field.EQ "it" "242") []
                     Expect.hasLength paramList 1 "There should have been a parameter added"
-                    let it = Seq.head paramList
+                    let name, value = Seq.head paramList
-                    Expect.equal (fst it) "@field" "Field parameter name not correct"
+                    Expect.equal name "@field" "Field parameter name not correct"
-                    match snd it with
+                    Expect.equal value (Sql.string "242") "Parameter value not correct"
-                    | SqlValue.Parameter value ->
-                        Expect.equal value.ParameterName "@field" "Parameter name not correct"
-                        Expect.equal value.Value "242" "Parameter value not correct"
-                    | _ -> Expect.isTrue false "The parameter was not a Parameter type"
                 }
                 test "succeeds when a parameter is not added" {
                     let paramList = addFieldParam "@field" (Field.EX "tacos") []
@@ -97,54 +139,36 @@ let unitTests =
                 test "succeeds when two parameters are added" {
                     let paramList = addFieldParam "@field" (Field.BT "that" "eh" "zed") []
                     Expect.hasLength paramList 2 "There should have been 2 parameters added"
-                    let min = Seq.head paramList
+                    let name, value = Seq.head paramList
-                    Expect.equal (fst min) "@fieldmin" "Minimum field name not correct"
+                    Expect.equal name "@fieldmin" "Minimum field name not correct"
-                    match snd min with
+                    Expect.equal value (Sql.string "eh") "Minimum parameter value not correct"
-                    | SqlValue.Parameter value ->
+                    let name, value = paramList |> Seq.skip 1 |> Seq.head
-                        Expect.equal value.ParameterName "@fieldmin" "Minimum parameter name not correct"
+                    Expect.equal name "@fieldmax" "Maximum field name not correct"
-                        Expect.equal value.Value "eh" "Minimum parameter value not correct"
+                    Expect.equal value (Sql.string "zed") "Maximum parameter value not correct"
-                    | _ -> Expect.isTrue false "Minimum parameter was not a Parameter type"
-                    let max = paramList |> Seq.skip 1 |> Seq.head
-                    Expect.equal (fst max) "@fieldmax" "Maximum field name not correct"
-                    match snd max with
-                    | SqlValue.Parameter value ->
-                        Expect.equal value.ParameterName "@fieldmax" "Maximum parameter name not correct"
-                        Expect.equal value.Value "zed" "Maximum parameter value not correct"
-                    | _ -> Expect.isTrue false "Maximum parameter was not a Parameter type"
                 }
             ]
             testList "fieldNameParams" [
                 test "succeeds for one name" {
                     let name, value = fieldNameParams [ "bob" ]
                     Expect.equal name "@name" "The parameter name was incorrect"
-                    match value with
+                    Expect.equal value (Sql.string "bob") "The parameter value was incorrect"
-                    | SqlValue.String it -> Expect.equal it "bob" "The parameter value was incorrect"
-                    | _ -> Expect.isTrue false "The parameter was not a String type"
                 }
                 test "succeeds for multiple names" {
                     let name, value = fieldNameParams [ "bob"; "tom"; "mike" ]
                     Expect.equal name "@name" "The parameter name was incorrect"
-                    match value with
+                    Expect.equal value (Sql.stringArray [| "bob"; "tom"; "mike" |]) "The parameter value was incorrect"
-                    | SqlValue.StringArray it ->
-                        Expect.equal it [| "bob"; "tom"; "mike" |] "The parameter value was incorrect"
-                    | _ -> Expect.isTrue false "The parameter was not a StringArray type"
                  }
             ]
             testList "fieldNameParam" [
                 test "succeeds for one name" {
                     let name, value = fieldNameParam [ "bob" ]
                     Expect.equal name "@name" "The parameter name was incorrect"
-                    match value with
+                    Expect.equal value (Sql.string "bob") "The parameter value was incorrect"
-                    | SqlValue.String it -> Expect.equal it "bob" "The parameter value was incorrect"
-                    | _ -> Expect.isTrue false "The parameter was not a String type"
                 }
                 test "succeeds for multiple names" {
                     let name, value = fieldNameParam [ "bob"; "tom"; "mike" ]
                     Expect.equal name "@name" "The parameter name was incorrect"
-                    match value with
+                    Expect.equal value (Sql.stringArray [| "bob"; "tom"; "mike" |]) "The parameter value was incorrect"
-                    | SqlValue.StringArray it ->
-                        Expect.equal it [| "bob"; "tom"; "mike" |] "The parameter value was incorrect"
-                    | _ -> Expect.isTrue false "The parameter was not a StringArray type"
                  }
             ]
             test "noParams succeeds" {
@@ -155,7 +179,7 @@ let unitTests =
             testList "whereByFields" [
                 test "succeeds for a single field when a logical operator is passed" {
                     Expect.equal
-                        (Query.whereByFields Any [ { Field.GT "theField" 0 with ParameterName = Some "@test" } ])
+                        (Query.whereByFields Any [ { Field.GT "theField" "0" with ParameterName = Some "@test" } ])
                         "data->>'theField' > @test"
                         "WHERE clause not correct"
                 }
@@ -186,7 +210,7 @@ let unitTests =
                 test "succeeds for any multiple fields with an existence operator" {
                     Expect.equal
                         (Query.whereByFields Any [ Field.NEX "thatField"; Field.GE "thisField" 18 ])
-                        "data->>'thatField' IS NULL OR data->>'thisField' >= @field0"
+                        "data->>'thatField' IS NULL OR (data->>'thisField')::numeric >= @field0"
                         "WHERE clause not correct"
                 }
                 test "succeeds for all multiple fields with between operators" {
@@ -196,9 +220,20 @@ let unitTests =
                         "WHERE clause not correct"
                 }
             ]
-            test "whereById succeeds" {
+            testList "whereById" [
-                Expect.equal (Query.whereById "@id") "data->>'Id' = @id" "WHERE clause not correct"
+                test "succeeds for numeric ID" {
-            }
+                    Expect.equal (Query.whereById 18) "(data->>'Id')::numeric = @id" "WHERE clause not correct"
+                }
+                test "succeeds for string ID" {
+                    Expect.equal (Query.whereById "18") "data->>'Id' = @id" "WHERE clause not correct"
+                }
+                test "succeeds for non-numeric non-string ID" {
+                    Expect.equal
+                        (Query.whereById (System.Uri "https://example.com"))
+                        "data->>'Id' = @id"
+                        "WHERE clause not correct"
+                }
+            ]
             testList "Definition" [
                 test "ensureTable succeeds" {
                     Expect.equal
@@ -505,7 +540,7 @@ let integrationTests =
                     Expect.isFalse exists "There should not have been an existing document"
                 }
             ]
-            ftestList "byFields" [
+            testList "byFields" [
                 testTask "succeeds when documents exist" {
                     use db = PostgresDb.BuildDb()
                     do! loadDocs ()
@@ -621,7 +656,7 @@ let integrationTests =
                             PostgresDb.TableName All [ Field.EQ "Value" "purple"; Field.EX "Sub" ]
                     Expect.equal (List.length docs) 1 "There should have been one document returned"
                 }
-                ftestTask "succeeds when documents are not found" {
+                testTask "succeeds when documents are not found" {
                     use db = PostgresDb.BuildDb()
                     do! loadDocs ()