src/Common/Library.fs

@@ -126,6 +126,10 @@ type FieldMatch =
     /// All fields match (AND)
     | All
     
+    /// The SQL value implementing each matching strategy
+    override this.ToString() =
+        match this with Any -> "OR" | All -> "AND"
+
 
 /// Derive parameter names (each instance wraps a counter to uniquely name anonymous fields)
 type ParameterName() =

src/Postgres/Library.fs

@@ -46,7 +46,7 @@ module private Helpers =
         ()
     }
     
-    /// Create a numerically-typed parameter, or use the given parameter derivation function if non-(numeric or string)
+    /// Create a number or string 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
@@ -70,7 +70,7 @@ open BitBadger.Documents
 [<AutoOpen>]
 module Parameters =
     
-    /// Create an ID parameter (name "@id", key will be treated as a string)
+    /// Create an ID parameter (name "@id")
     [<CompiledName "Id">]
     let idParam (key: 'TKey) =
         "@id", parameterFor key (fun it -> Sql.string (string it))
@@ -134,7 +134,7 @@ module Query =
     
     /// Create a WHERE clause fragment to implement a comparison on fields in a JSON document
     [<CompiledName "WhereByFields">]
-    let whereByFields howMatched fields =
+    let whereByFields (howMatched: FieldMatch) fields =
         let name = ParameterName()
         let isNumeric (it: obj) =
             match it with
@@ -154,7 +154,7 @@ module Query =
                 if isNumeric value then
                     $"({it.Path PostgreSQL})::numeric {it.Op} {param}"
                 else $"{it.Path PostgreSQL} {it.Op} {param}")
-        |> String.concat (match howMatched with Any -> " OR " | All -> " AND ")
+        |> String.concat $" {howMatched} "
 
     /// Create a WHERE clause fragment to implement an ID-based query
     [<CompiledName "WhereById">]

src/Sqlite/Library.fs

@@ -33,7 +33,7 @@ module Query =
     
     /// Create a WHERE clause fragment to implement a comparison on fields in a JSON document
     [<CompiledName "WhereByFields">]
-    let whereByFields howMatched fields =
+    let whereByFields (howMatched: FieldMatch) fields =
         let name = ParameterName()
         fields
         |> Seq.map (fun it ->
@@ -43,7 +43,7 @@ module Query =
                 let p = name.Derive it.ParameterName
                 $"{it.Path SQLite} {it.Op} {p}min AND {p}max"
             | _ -> $"{it.Path SQLite} {it.Op} {name.Derive it.ParameterName}")
-        |> String.concat (match howMatched with Any -> " OR " | All -> " AND ")
+        |> String.concat $" {howMatched} "
 
     /// Create a WHERE clause fragment to implement an ID-based query
     [<CompiledName "WhereById">]

src/Tests.CSharp/CommonCSharpTests.cs

@@ -1,6 +1,7 @@
 using Expecto.CSharp;
 using Expecto;
 using Microsoft.FSharp.Collections;
+using Microsoft.FSharp.Core;
 
 namespace BitBadger.Documents.Tests.CSharp;
 
@@ -236,6 +237,39 @@ public static class CommonCSharpTests
                 })
             ])
         ]),
+        TestList("FieldMatch.ToString",
+        [
+            TestCase("succeeds for Any", () =>
+            {
+                Expect.equal(FieldMatch.Any.ToString(), "OR", "SQL for Any is incorrect");
+            }),
+            TestCase("succeeds for All", () =>
+            {
+                Expect.equal(FieldMatch.All.ToString(), "AND", "SQL for All is incorrect");
+            })
+        ]),
+        TestList("ParameterName.Derive",
+        [
+            TestCase("succeeds with existing name", () =>
+            {
+                ParameterName name = new();
+                Expect.equal(name.Derive(FSharpOption<string>.Some("@taco")), "@taco", "Name should have been @taco");
+                Expect.equal(name.Derive(FSharpOption<string>.None), "@field0",
+                    "Counter should not have advanced for named field");
+            }),
+            TestCase("Derive succeeds with non-existent name", () =>
+            {
+                ParameterName name = new();
+                Expect.equal(name.Derive(FSharpOption<string>.None), "@field0",
+                    "Anonymous field name should have been returned");
+                Expect.equal(name.Derive(FSharpOption<string>.None), "@field1",
+                    "Counter should have advanced from previous call");
+                Expect.equal(name.Derive(FSharpOption<string>.None), "@field2",
+                    "Counter should have advanced from previous call");
+                Expect.equal(name.Derive(FSharpOption<string>.None), "@field3",
+                    "Counter should have advanced from previous call");
+            })
+        ]),
         TestList("Query",
         [
             TestCase("StatementWhere succeeds", () =>

src/Tests.CSharp/PostgresCSharpTests.cs

@@ -156,32 +156,6 @@ public static class PostgresCSharpTests
                     Expect.equal(value, Sql.@string("zed"), "Maximum field value not correct");
                 })
             ]),
-#pragma warning disable CS0618
-            TestList("AddField",
-            [
-                TestCase("succeeds when a parameter is added", () =>
-                {
-                    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.IsString, "Field parameter value incorrect");
-                }),
-                TestCase("succeeds when a parameter is not added", () =>
-                {
-                    var it = Parameters.AddField("@it", Field.EX("It"), []);
-                    Expect.isEmpty(it, "There should not have been any parameters added");
-                }),
-                TestCase("succeeds when two parameters are added", () =>
-                {
-                    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.IsString, "Minimum field parameter value incorrect");
-                    Expect.equal(it[1].Item1, "@fieldmax", "Maximum field name not correct");
-                    Expect.isTrue(it[1].Item2.IsString, "Maximum field parameter value incorrect");
-                })
-            ]),
-#pragma warning restore CS0618
             TestList("FieldNames",
             [
                 TestCase("succeeds for one name", () =>
@@ -331,6 +305,36 @@ public static class PostgresCSharpTests
             {
                 Expect.equal(Postgres.Query.WhereJsonPathMatches("@path"), "data @? @path::jsonpath",
                     "WHERE clause not correct");
+            }),
+            TestCase("Patch succeeds", () =>
+            {
+                Expect.equal(Postgres.Query.Patch(PostgresDb.TableName),
+                    $"UPDATE {PostgresDb.TableName} SET data = data || @data", "Patch query not correct");
+            }),
+            TestCase("RemoveFields succeeds", () =>
+            {
+                Expect.equal(Postgres.Query.RemoveFields(PostgresDb.TableName),
+                    $"UPDATE {PostgresDb.TableName} SET data = data - @name", "Field removal query not correct");
+            }),
+            TestCase("ById succeeds", () =>
+            {
+                Expect.equal(Postgres.Query.ById("test", "14"), "test WHERE data->>'Id' = @id",
+                    "By-ID query not correct");
+            }),
+            TestCase("ByFields succeeds", () =>
+            {
+                Expect.equal(Postgres.Query.ByFields("unit", FieldMatch.Any, [Field.GT("That", 14)]),
+                    "unit WHERE (data->>'That')::numeric > @field0", "By-Field query not correct");
+            }),
+            TestCase ("ByContains succeeds", () =>
+            {
+                Expect.equal(Postgres.Query.ByContains("exam"), "exam WHERE data @> @criteria",
+                    "By-Contains query not correct");
+            }),
+            TestCase("ByPathMach succeeds", () =>
+            {
+                Expect.equal(Postgres.Query.ByPathMatch("verify"), "verify WHERE data @? @path::jsonpath",
+                    "By-JSON Path query not correct");
             })
         ])
     ]);

src/Tests.CSharp/SqliteCSharpTests.cs

@@ -67,6 +67,27 @@ public static class SqliteCSharpTests
             {
                 Expect.equal(Sqlite.Query.WhereById("@id"), "data->>'Id' = @id", "WHERE clause not correct");
             }),
+            TestCase("Patch succeeds", () =>
+            {
+                Expect.equal(Sqlite.Query.Patch(SqliteDb.TableName),
+                    $"UPDATE {SqliteDb.TableName} SET data = json_patch(data, json(@data))", "Patch query not correct");
+            }),
+            TestCase("RemoveFields succeeds", () =>
+            {
+                Expect.equal(Sqlite.Query.RemoveFields(SqliteDb.TableName, [new("@a", "a"), new("@b", "b")]),
+                    $"UPDATE {SqliteDb.TableName} SET data = json_remove(data, @a, @b)",
+                    "Field removal query not correct");
+            }),
+            TestCase("ById succeeds", () =>
+            {
+                Expect.equal(Sqlite.Query.ById("test", "14"), "test WHERE data->>'Id' = @id",
+                    "By-ID query not correct");
+            }),
+            TestCase("ByFields succeeds", () =>
+            {
+                Expect.equal(Sqlite.Query.ByFields("unit", FieldMatch.Any, [Field.GT("That", 14)]),
+                    "unit WHERE data->>'That' > @field0", "By-Field query not correct");
+            }),
             TestCase("Definition.EnsureTable succeeds", () =>
             {
                 Expect.equal(Sqlite.Query.Definition.EnsureTable("tbl"),

src/Tests/CommonTests.fs

@@ -155,13 +155,21 @@ let all =
                 }
             ]
         ]
-        testList "ParameterName" [
+        testList "FieldMatch.ToString" [
-            test "Derive succeeds with existing name" {
+            test "succeeds for Any" {
+                Expect.equal (string Any) "OR" "SQL for Any is incorrect"
+            }
+            test "succeeds for All" {
+                Expect.equal (string All) "AND" "SQL for All is incorrect"
+            }
+        ]
+        testList "ParameterName.Derive" [
+            test "succeeds with existing name" {
                 let name = ParameterName()
                 Expect.equal (name.Derive(Some "@taco")) "@taco" "Name should have been @taco"
                 Expect.equal (name.Derive None) "@field0" "Counter should not have advanced for named field"
             }
-            test "Derive succeeds with non-existent name" {
+            test "succeeds with non-existent name" {
                 let name = ParameterName()
                 Expect.equal (name.Derive None) "@field0" "Anonymous field name should have been returned"
                 Expect.equal (name.Derive None) "@field1" "Counter should have advanced from previous call"

src/Tests/PostgresTests.fs

@@ -124,29 +124,6 @@ let unitTests =
                     Expect.equal value (Sql.string "zed") "Maximum parameter value not correct"
                 }
             ]
-            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 name, value = Seq.head paramList
-                    Expect.equal name "@field" "Field parameter name not correct"
-                    Expect.equal value (Sql.string "242") "Parameter value not correct"
-                }
-                test "succeeds when a parameter is not added" {
-                    let paramList = addFieldParam "@field" (Field.EX "tacos") []
-                    Expect.isEmpty paramList "There should not have been any parameters added"
-                }
-                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 name, value = Seq.head paramList
-                    Expect.equal name "@fieldmin" "Minimum field name not correct"
-                    Expect.equal value (Sql.string "eh") "Minimum parameter value not correct"
-                    let name, value = paramList |> Seq.skip 1 |> Seq.head
-                    Expect.equal name "@fieldmax" "Maximum field name not correct"
-                    Expect.equal value (Sql.string "zed") "Maximum parameter value not correct"
-                }
-            ]
             testList "fieldNameParams" [
                 test "succeeds for one name" {
                     let name, value = fieldNameParams [ "bob" ]
@@ -261,6 +238,34 @@ let unitTests =
             test "whereJsonPathMatches succeeds" {
                 Expect.equal (Query.whereJsonPathMatches "@path") "data @? @path::jsonpath" "WHERE clause not correct"
             }
+            test "patch succeeds" {
+                Expect.equal
+                    (Query.patch PostgresDb.TableName)
+                    $"UPDATE {PostgresDb.TableName} SET data = data || @data"
+                    "Patch query not correct"
+            }
+            test "removeFields succeeds" {
+                Expect.equal
+                    (Query.removeFields PostgresDb.TableName)
+                    $"UPDATE {PostgresDb.TableName} SET data = data - @name"
+                    "Field removal query not correct"
+            }
+            test "byId succeeds" {
+                Expect.equal (Query.byId "test" "14") "test WHERE data->>'Id' = @id" "By-ID query not correct"
+            }
+            test "byFields succeeds" {
+                Expect.equal
+                    (Query.byFields "unit" Any [ Field.GT "That" 14 ])
+                    "unit WHERE (data->>'That')::numeric > @field0"
+                    "By-Field query not correct"
+            }
+            test "byContains succeeds" {
+                Expect.equal (Query.byContains "exam") "exam WHERE data @> @criteria" "By-Contains query not correct"
+            }
+            test "byPathMach succeeds" {
+                Expect.equal
+                    (Query.byPathMatch "verify") "verify WHERE data @? @path::jsonpath" "By-JSON Path query not correct"
+            }
         ]
     ]
 

src/Tests/SqliteTests.fs

@@ -55,6 +55,27 @@ let unitTests =
             test "whereById succeeds" {
                 Expect.equal (Query.whereById "@id") "data->>'Id' = @id" "WHERE clause not correct"
             }
+            test "patch succeeds" {
+                Expect.equal
+                    (Query.patch SqliteDb.TableName)
+                    $"UPDATE {SqliteDb.TableName} SET data = json_patch(data, json(@data))"
+                    "Patch query not correct"
+            }
+            test "removeFields succeeds" {
+                Expect.equal
+                    (Query.removeFields SqliteDb.TableName [ SqliteParameter("@a", "a"); SqliteParameter("@b", "b") ])
+                    $"UPDATE {SqliteDb.TableName} SET data = json_remove(data, @a, @b)"
+                    "Field removal query not correct"
+            }
+            test "byId succeeds" {
+                Expect.equal (Query.byId "test" "14") "test WHERE data->>'Id' = @id" "By-ID query not correct"
+            }
+            test "byFields succeeds" {
+                Expect.equal
+                    (Query.byFields "unit" Any [ Field.GT "That" 14 ])
+                    "unit WHERE data->>'That' > @field0"
+                    "By-Field query not correct"
+            }
             test "Definition.ensureTable succeeds" {
                 Expect.equal
                     (Query.Definition.ensureTable "tbl")