src/Common/Library.fs

@@ -210,18 +210,6 @@ module Query =
         let full tableName =
             $"""UPDATE %s{tableName} SET data = @data WHERE {whereById "@id"}"""
 
-        /// Query to update a partial document by its ID
-        [<CompiledName "PartialById">]
-        let partialById tableName =
-            $"""UPDATE %s{tableName} SET data = json_patch(data, json(@data)) WHERE {whereById "@id"}"""
-            
-        /// Query to update a partial document via a comparison on a JSON field
-        [<CompiledName "PartialByField">]
-        let partialByField tableName fieldName op =
-            sprintf
-                "UPDATE %s SET data = json_patch(data, json(@data)) WHERE %s"
-                tableName (whereByField fieldName op "@field")
-        
     /// Queries to delete documents
     module Delete =
         

src/Postgres/Library.fs

@@ -1,5 +1,7 @@
 namespace BitBadger.Documents.Postgres
 
+open Npgsql
+
 /// The type of index to generate for the document
 [<Struct>]
 type DocumentIndex =
@@ -91,13 +93,19 @@ module Definition =
 [<RequireQualifiedAccess>]
 module Query =
     
-    /// Create a SELECT clause to retrieve the document data from the given table
-    let selectFromTable tableName =
-        $"SELECT data FROM %s{tableName}"
+    module Definition =
         
-    /// Create a WHERE clause fragment to implement an ID-based query
-    let whereById paramName =
-        $"data ->> '{Configuration.idField ()}' = %s{paramName}"
+        /// SQL statement to create a document table
+        [<CompiledName "EnsureTable">]
+        let ensureTable name =
+            Query.Definition.ensureTableFor name "JSONB"
+        
+        /// SQL statement to create an index on JSON documents in the specified table
+        [<CompiledName "EnsureJsonIndex">]
+        let ensureJsonIndex (name : string) idxType =
+            let extraOps = match idxType with Full -> "" | Optimized -> " jsonb_path_ops"
+            let tableName = name.Split '.' |> Array.last
+            $"CREATE INDEX IF NOT EXISTS idx_{tableName} ON {name} USING GIN (data{extraOps})"
 
     /// Create a WHERE clause fragment to implement a @> (JSON contains) condition
     let whereDataContains paramName =
@@ -127,10 +135,6 @@ module Query =
     /// Queries for counting documents
     module Count =
         
-        /// Query to count all documents in a table
-        let all tableName =
-            $"SELECT COUNT(*) AS it FROM %s{tableName}"
-        
         /// Query to count matching documents using a JSON containment query (@>)
         let byContains tableName =
             $"""SELECT COUNT(*) AS it FROM %s{tableName} WHERE {whereDataContains "@criteria"}"""
@@ -142,10 +146,6 @@ module Query =
     /// Queries for determining document existence
     module Exists =
 
-        /// Query to determine if a document exists for the given ID
-        let byId tableName =
-            $"""SELECT EXISTS (SELECT 1 FROM %s{tableName} WHERE {whereById "@id"}) AS it"""
-
         /// Query to determine if documents exist using a JSON containment query (@>)
         let byContains tableName =
             $"""SELECT EXISTS (SELECT 1 FROM %s{tableName} WHERE {whereDataContains "@criteria"}) AS it"""
@@ -157,28 +157,24 @@ module Query =
     /// Queries for retrieving documents
     module Find =
 
-        /// Query to retrieve a document by its ID
-        let byId tableName =
-            $"""{selectFromTable tableName} WHERE {whereById "@id"}"""
-        
         /// Query to retrieve documents using a JSON containment query (@>)
         let byContains tableName =
-            $"""{selectFromTable tableName} WHERE {whereDataContains "@criteria"}"""
+            $"""{Query.selectFromTable tableName} WHERE {whereDataContains "@criteria"}"""
         
         /// Query to retrieve documents using a JSON Path match (@?)
         let byJsonPath tableName =
-            $"""{selectFromTable tableName} WHERE {whereJsonPathMatches "@path"}"""
+            $"""{Query.selectFromTable tableName} WHERE {whereJsonPathMatches "@path"}"""
     
     /// Queries to update documents
     module Update =
 
         /// Query to update a document
-        let full tableName =
-            $"""UPDATE %s{tableName} SET data = @data WHERE {whereById "@id"}"""
+        let partialById tableName =
+            $"""UPDATE %s{tableName} SET data = data || @data WHERE {Query.whereById "@id"}"""
         
         /// Query to update a document
-        let partialById tableName =
-            $"""UPDATE %s{tableName} SET data = data || @data WHERE {whereById "@id"}"""
+        let partialByField tableName fieldName op =
+            $"""UPDATE %s{tableName} SET data = data || @data WHERE {Query.whereByField fieldName op "@field"}"""
         
         /// Query to update partial documents matching a JSON containment query (@>)
         let partialByContains tableName =
@@ -191,10 +187,6 @@ module Query =
     /// Queries to delete documents
     module Delete =
         
-        /// Query to delete a document by its ID
-        let byId tableName =
-            $"""DELETE FROM %s{tableName} WHERE {whereById "@id"}"""
-
         /// Query to delete documents using a JSON containment query (@>)
         let byContains tableName =
             $"""DELETE FROM %s{tableName} WHERE {whereDataContains "@criteria"}"""
@@ -204,6 +196,31 @@ module Query =
             $"""DELETE FROM %s{tableName} WHERE {whereJsonPathMatches "@path"}"""
 
 
+/// Functions for creating parameters
+[<AutoOpen>]
+module Parameters =
+    
+    /// Create an ID parameter (name "@id", key will be treated as a string)
+    [<CompiledName "Id">]
+    let idParam (key: 'TKey) =
+        "@id", Sql.string (string key)
+
+    /// Create a parameter with a JSON value
+    [<CompiledName "Json">]
+    let jsonParam (name: string) (it: 'TJson) =
+        name, Sql.jsonb (Configuration.serializer().Serialize it)
+
+    /// Create a JSON field parameter (name "@field")
+    [<CompiledName "Field">]
+    let fieldParam (value: obj) =
+        "@field", Sql.parameter (NpgsqlParameter("@field", value))
+
+    /// An empty parameter sequence
+    [<CompiledName "None">]
+    let noParams =
+        Seq.empty<string * SqlValue>
+
+    
 /// Functions for dealing with results
 [<AutoOpen>]
 module Results =
@@ -216,10 +233,68 @@ module Results =
     let fromData<'T> row : 'T =
         fromDocument "data" row
     
+    /// Extract a count from the column "it"
+    let toCount (row: RowReader) =
+        row.int "it"
+    
+    /// Extract a true/false value from the column "it"
+    let toExists (row: RowReader) =
+        row.bool "it"
+
 
 /// Versions of queries that accept SqlProps as the last parameter
 module WithProps =
     
+    /// Commands to execute custom SQL queries
+    [<RequireQualifiedAccess>]
+    module Custom =
+
+        /// Execute a query that returns a list of results
+        [<CompiledName "FSharpList">]
+        let list<'T> query parameters (mapFunc: RowReader -> 'T) sqlProps =
+            Sql.query query sqlProps
+            |> Sql.parameters parameters
+            |> Sql.executeAsync mapFunc
+
+        /// Execute a query that returns a list of results
+        let List<'T>(query, parameters, mapFunc: System.Func<RowReader, 'T>, sqlProps) = backgroundTask {
+            let! results = list query (List.ofSeq parameters) mapFunc.Invoke sqlProps
+            return ResizeArray results
+        }
+        
+        /// Execute a query that returns one or no results (returns None if not found)
+        [<CompiledName "FSharpSingle">]
+        let single<'T> query parameters mapFunc sqlProps = backgroundTask {
+            let! results = list<'T> query parameters mapFunc sqlProps
+            return FSharp.Collections.List.tryHead results
+        }
+
+        /// Execute a query that returns one or no results (returns null if not found)
+        let Single<'T when 'T: null>(
+                query, parameters, mapFunc: System.Func<RowReader, 'T>, sqlProps) = backgroundTask {
+            let! result = single<'T> query (FSharp.Collections.List.ofSeq parameters) mapFunc.Invoke sqlProps
+            return Option.toObj result
+        }
+
+        /// Execute a query that returns no results
+        [<CompiledName "NonQuery">]
+        let nonQuery query parameters sqlProps =
+            Sql.query query sqlProps
+            |> Sql.parameters (FSharp.Collections.List.ofSeq parameters)
+            |> Sql.executeNonQueryAsync
+            |> ignoreTask
+        
+        /// Execute a query that returns a scalar value
+        [<CompiledName "FSharpScalar">]
+        let scalar<'T when 'T: struct> query parameters (mapFunc: RowReader -> 'T) sqlProps =
+            Sql.query query sqlProps
+            |> Sql.parameters parameters
+            |> Sql.executeRowAsync mapFunc
+        
+        /// Execute a query that returns a scalar value
+        let Scalar<'T when 'T: struct>(query, parameters, mapFunc: System.Func<RowReader, 'T>, sqlProps) =
+            scalar<'T> query (FSharp.Collections.List.ofSeq parameters) mapFunc.Invoke sqlProps
+
     /// Execute a non-query statement to manipulate a document
     let private executeNonQuery query (document: 'T) sqlProps =
         sqlProps
@@ -236,208 +311,283 @@ module WithProps =
         |> Sql.executeNonQueryAsync
         |> ignoreTask
 
-    /// Insert a new document
-    let insert<'T> tableName (document: 'T) sqlProps =
-        executeNonQuery (Query.insert tableName) document sqlProps
+    /// Commands to add documents
+    [<AutoOpen>]
+    module Document =
         
-    /// Save a document, inserting it if it does not exist and updating it if it does (AKA "upsert")
-    let save<'T> tableName (document: 'T) sqlProps =
-        executeNonQuery (Query.save tableName) document sqlProps
+        /// Insert a new document
+        [<CompiledName "Insert">]
+        let insert<'TDoc> tableName (document: 'TDoc) sqlProps =
+            Custom.nonQuery (Query.insert tableName) [ jsonParam "@data" document ] sqlProps
+
+        /// Save a document, inserting it if it does not exist and updating it if it does (AKA "upsert")
+        [<CompiledName "Save">]
+        let save<'TDoc> tableName (document: 'TDoc) sqlProps =
+            Custom.nonQuery (Query.save tableName) [ jsonParam "@data" document ] sqlProps
 
     /// Commands to count documents
     [<RequireQualifiedAccess>]
     module Count =
         
         /// Count all documents in a table
+        [<CompiledName "All">]
         let all tableName sqlProps =
-            sqlProps
-            |> Sql.query (Query.Count.all tableName)
-            |> Sql.executeRowAsync (fun row -> row.int "it")
+            Custom.scalar (Query.Count.all tableName) [] toCount sqlProps
+        
+        /// Count matching documents using a JSON field comparison (->> =)
+        [<CompiledName "ByField">]
+        let byField tableName fieldName op (value: obj) sqlProps =
+            Custom.scalar (Query.Count.byField tableName fieldName op) [ fieldParam value ] toCount sqlProps
         
         /// Count matching documents using a JSON containment query (@>)
-        let byContains tableName (criteria: obj) sqlProps =
-            sqlProps
-            |> Sql.query (Query.Count.byContains tableName)
-            |> Sql.parameters [ "@criteria", Query.jsonbDocParam criteria ]
-            |> Sql.executeRowAsync (fun row -> row.int "it")
+        [<CompiledName "ByContains">]
+        let byContains tableName (criteria: 'TContains) sqlProps =
+            Custom.scalar (Query.Count.byContains tableName) [ jsonParam "@criteria" criteria ] toCount sqlProps
 
         /// Count matching documents using a JSON Path match query (@?)
+        [<CompiledName "ByJsonPath">]
         let byJsonPath tableName jsonPath sqlProps =
-            sqlProps
-            |> Sql.query (Query.Count.byJsonPath tableName)
-            |> Sql.parameters [ "@path", Sql.string jsonPath ]
-            |> Sql.executeRowAsync (fun row -> row.int "it")
+            Custom.scalar (Query.Count.byJsonPath tableName) [ "@path", Sql.string jsonPath ] toCount sqlProps
     
     /// Commands to determine if documents exist
     [<RequireQualifiedAccess>]
     module Exists =
 
         /// Determine if a document exists for the given ID
-        let byId tableName docId sqlProps =
-            sqlProps
-            |> Sql.query (Query.Exists.byId tableName)
-            |> Sql.parameters [ "@id", Sql.string docId ]
-            |> Sql.executeRowAsync (fun row -> row.bool "it")
+        [<CompiledName "ById">]
+        let byId tableName (docId: 'TKey) sqlProps =
+            Custom.scalar (Query.Exists.byId tableName) [ idParam docId ] toExists sqlProps
+
+        /// Determine if a document exists using a JSON field comparison (->> =)
+        [<CompiledName "ByField">]
+        let byField tableName fieldName op (value: obj) sqlProps =
+            Custom.scalar (Query.Exists.byField tableName fieldName op) [ fieldParam value ] toExists sqlProps
         
         /// Determine if a document exists using a JSON containment query (@>)
-        let byContains tableName (criteria: obj) sqlProps =
-            sqlProps
-            |> Sql.query (Query.Exists.byContains tableName)
-            |> Sql.parameters [ "@criteria", Query.jsonbDocParam criteria ]
-            |> Sql.executeRowAsync (fun row -> row.bool "it")
+        [<CompiledName "ByContains">]
+        let byContains tableName (criteria: 'TContains) sqlProps =
+            Custom.scalar (Query.Exists.byContains tableName) [ jsonParam "@criteria" criteria ] toExists sqlProps
 
         /// Determine if a document exists using a JSON Path match query (@?)
+        [<CompiledName "ByJsonPath">]
         let byJsonPath tableName jsonPath sqlProps =
-            sqlProps
-            |> Sql.query (Query.Exists.byJsonPath tableName)
-            |> Sql.parameters [ "@path", Sql.string jsonPath ]
-            |> Sql.executeRowAsync (fun row -> row.bool "it")
+            Custom.scalar (Query.Exists.byJsonPath tableName) [ "@path", Sql.string jsonPath ] toExists sqlProps
 
     /// Commands to determine if documents exist
     [<RequireQualifiedAccess>]
     module Find =
         
         /// Retrieve all documents in the given table
-        let all<'T> tableName sqlProps =
-            sqlProps
-            |> Sql.query (Query.selectFromTable tableName)
-            |> Sql.executeAsync fromData<'T>
+        [<CompiledName "FSharpAll">]
+        let all<'TDoc> tableName sqlProps =
+            Custom.list<'TDoc> (Query.selectFromTable tableName) [] fromData<'TDoc> sqlProps
 
-        /// Retrieve a document by its ID
-        let byId<'T> tableName docId sqlProps = backgroundTask {
-            let! results =
-                sqlProps
-                |> Sql.query (Query.Find.byId tableName)
-                |> Sql.parameters [ "@id", Sql.string docId ]
-                |> Sql.executeAsync fromData<'T>
-            return List.tryHead results
-        }
+        /// Retrieve all documents in the given table
+        let All<'TDoc>(tableName, sqlProps) =
+            Custom.List<'TDoc>(Query.selectFromTable tableName, [], fromData<'TDoc>, sqlProps)
 
-        /// Execute a JSON containment query (@>)
-        let byContains<'T> tableName (criteria: obj) sqlProps =
-            sqlProps
-            |> Sql.query (Query.Find.byContains tableName)
-            |> Sql.parameters [ "@criteria", Query.jsonbDocParam criteria ]
-            |> Sql.executeAsync fromData<'T>
+        /// Retrieve a document by its ID (returns None if not found)
+        [<CompiledName "FSharpById">]
+        let byId<'TKey, 'TDoc> tableName (docId: 'TKey) sqlProps =
+            Custom.single (Query.Find.byId tableName) [ idParam docId ] fromData<'TDoc> sqlProps
 
-        /// Execute a JSON Path match query (@?)
-        let byJsonPath<'T> tableName jsonPath sqlProps =
-            sqlProps
-            |> Sql.query (Query.Find.byJsonPath tableName)
-            |> Sql.parameters [ "@path", Sql.string jsonPath ]
-            |> Sql.executeAsync fromData<'T>
+        /// Retrieve a document by its ID (returns null if not found)
+        let ById<'TKey, 'TDoc when 'TDoc: null>(tableName, docId: 'TKey, sqlProps) =
+            Custom.Single<'TDoc>(Query.Find.byId tableName, [ idParam docId ], fromData<'TDoc>, sqlProps)
 
-        /// Execute a JSON containment query (@>), returning only the first result
-        let firstByContains<'T> tableName (criteria: obj) sqlProps = backgroundTask {
-            let! results = byContains<'T> tableName criteria sqlProps
-            return List.tryHead results
-        }
+        /// Retrieve documents matching a JSON field comparison (->> =)
+        [<CompiledName "FSharpByField">]
+        let byField<'TDoc> tableName fieldName op (value: obj) sqlProps =
+            Custom.list<'TDoc> (Query.Find.byField tableName fieldName op) [ fieldParam value ] fromData<'TDoc> sqlProps
         
-        /// Execute a JSON Path match query (@?), returning only the first result
-        let firstByJsonPath<'T> tableName jsonPath sqlProps = backgroundTask {
-            let! results = byJsonPath<'T> tableName jsonPath sqlProps
-            return List.tryHead results
-        }
+        /// Retrieve documents matching a JSON field comparison (->> =)
+        let ByField<'TDoc>(tableName, fieldName, op, value: obj, sqlProps) =
+            Custom.List<'TDoc>(
+                Query.Find.byField tableName fieldName op, [ fieldParam value ], fromData<'TDoc>, sqlProps)
+        
+        /// Retrieve documents matching a JSON containment query (@>)
+        [<CompiledName "FSharpByContains">]
+        let byContains<'TDoc> tableName (criteria: obj) sqlProps =
+            Custom.list<'TDoc>
+                (Query.Find.byContains tableName) [ jsonParam "@criteria" criteria ] fromData<'TDoc> sqlProps
+
+        /// Retrieve documents matching a JSON containment query (@>)
+        let ByContains<'TDoc>(tableName, criteria: obj, sqlProps) =
+            Custom.List<'TDoc>(
+                Query.Find.byContains tableName, [ jsonParam "@criteria" criteria ], fromData<'TDoc>, sqlProps)
+
+        /// Retrieve documents matching a JSON Path match query (@?)
+        [<CompiledName "FSharpByJsonPath">]
+        let byJsonPath<'TDoc> tableName jsonPath sqlProps =
+            Custom.list<'TDoc>
+                (Query.Find.byJsonPath tableName) [ "@path", Sql.string jsonPath ] fromData<'TDoc> sqlProps
+        
+        /// Retrieve documents matching a JSON Path match query (@?)
+        let ByJsonPath<'TDoc>(tableName, jsonPath, sqlProps) =
+            Custom.List<'TDoc>(
+                Query.Find.byJsonPath tableName, [ "@path", Sql.string jsonPath ], fromData<'TDoc>, sqlProps)
+        
+        /// Retrieve the first document matching a JSON field comparison (->> =); returns None if not found
+        [<CompiledName "FSharpFirstByField">]
+        let firstByField<'TDoc> tableName fieldName op (value: obj) sqlProps =
+            Custom.single<'TDoc>
+                $"{Query.Find.byField tableName fieldName op} LIMIT 1" [ fieldParam value ] fromData<'TDoc> sqlProps
+            
+        /// Retrieve the first document matching a JSON field comparison (->> =); returns null if not found
+        let FirstByField<'TDoc when 'TDoc: null>(tableName, fieldName, op, value: obj, sqlProps) =
+            Custom.Single<'TDoc>(
+                $"{Query.Find.byField tableName fieldName op} LIMIT 1", [ fieldParam value ], fromData<'TDoc>, sqlProps)
+            
+        /// Retrieve the first document matching a JSON containment query (@>); returns None if not found
+        [<CompiledName "FSharpFirstByContains">]
+        let firstByContains<'TDoc> tableName (criteria: obj) sqlProps =
+            Custom.single<'TDoc>
+                $"{Query.Find.byContains tableName} LIMIT 1" [ jsonParam "@criteria" criteria ] fromData<'TDoc> sqlProps
+
+        /// Retrieve the first document matching a JSON containment query (@>); returns null if not found
+        let FirstByContains<'TDoc when 'TDoc: null>(tableName, criteria: obj, sqlProps) =
+            Custom.Single<'TDoc>(
+                $"{Query.Find.byContains tableName} LIMIT 1",
+                [ jsonParam "@criteria" criteria ],
+                fromData<'TDoc>,
+                sqlProps)
+
+        /// Retrieve the first document matching a JSON Path match query (@?); returns None if not found
+        [<CompiledName "FSharpFirstByJsonPath">]
+        let firstByJsonPath<'TDoc> tableName jsonPath sqlProps =
+            Custom.single<'TDoc>
+                $"{Query.Find.byJsonPath tableName} LIMIT 1" [ "@path", Sql.string jsonPath ] fromData<'TDoc> sqlProps
+
+        /// Retrieve the first document matching a JSON Path match query (@?); returns null if not found
+        let FirstByJsonPath<'TDoc when 'TDoc: null>(tableName, jsonPath, sqlProps) =
+            Custom.Single<'TDoc>(
+                $"{Query.Find.byJsonPath tableName} LIMIT 1",
+                [ "@path", Sql.string jsonPath ],
+                fromData<'TDoc>,
+                sqlProps)
 
     /// Commands to update documents
     [<RequireQualifiedAccess>]
     module Update =
         
         /// Update an entire document
-        let full<'T> tableName docId (document: 'T) sqlProps =
-            executeNonQueryWithId (Query.Update.full tableName) docId document sqlProps
+        [<CompiledName "Full">]
+        let full tableName (docId: 'TKey) (document: 'TDoc) sqlProps =
+            Custom.nonQuery (Query.Update.full tableName) [ idParam docId; jsonParam "@data" document ] sqlProps
         
         /// Update an entire document
-        let fullFunc<'T> tableName (idFunc: 'T -> string) (document: 'T) sqlProps =
+        [<CompiledName "FSharpFullFunc">]
+        let fullFunc tableName (idFunc: 'TDoc -> 'TKey) (document: 'TDoc) sqlProps =
             full tableName (idFunc document) document sqlProps
         
+        /// Update an entire document
+        let FullFunc(tableName, idFunc: System.Func<'TDoc, 'TKey>, document: 'TDoc, sqlProps) =
+            fullFunc tableName idFunc.Invoke document sqlProps
+        
         /// Update a partial document
-        let partialById tableName docId (partial: obj) sqlProps =
-            executeNonQueryWithId (Query.Update.partialById tableName) docId partial sqlProps
+        [<CompiledName "PartialById">]
+        let partialById tableName (docId: 'TKey) (partial: 'TPartial) sqlProps =
+            Custom.nonQuery (Query.Update.partialById tableName) [ idParam docId; jsonParam "@data" partial ] sqlProps
+        
+        /// Update partial documents using a JSON field comparison query in the WHERE clause (->> =)
+        [<CompiledName "PartialByField">]
+        let partialByField tableName fieldName op (value: obj) (partial: 'TPartial) sqlProps =
+            Custom.nonQuery
+                (Query.Update.partialByField tableName fieldName op)
+                [ jsonParam "@data" partial; fieldParam value ]
+                sqlProps
         
         /// Update partial documents using a JSON containment query in the WHERE clause (@>)
-        let partialByContains tableName (criteria: obj) (partial: obj) sqlProps =
-            sqlProps
-            |> Sql.query (Query.Update.partialByContains tableName)
-            |> Sql.parameters [ "@data", Query.jsonbDocParam partial; "@criteria", Query.jsonbDocParam criteria ]
-            |> Sql.executeNonQueryAsync
-            |> ignoreTask 
+        [<CompiledName "PartialByContains">]
+        let partialByContains tableName (criteria: 'TContains) (partial: 'TPartial) sqlProps =
+            Custom.nonQuery
+                (Query.Update.partialByContains tableName)
+                [ jsonParam "@data" partial; jsonParam "@criteria" criteria ]
+                sqlProps
         
         /// Update partial documents using a JSON Path match query in the WHERE clause (@?)
-        let partialByJsonPath tableName jsonPath (partial: obj) sqlProps =
-            sqlProps
-            |> Sql.query (Query.Update.partialByJsonPath tableName)
-            |> Sql.parameters [ "@data", Query.jsonbDocParam partial; "@path", Sql.string jsonPath ]
-            |> Sql.executeNonQueryAsync
-            |> ignoreTask 
+        [<CompiledName "PartialByJsonPath">]
+        let partialByJsonPath tableName jsonPath (partial: 'TPartial) sqlProps =
+            Custom.nonQuery
+                (Query.Update.partialByJsonPath tableName)
+                [ jsonParam "@data" partial; "@path", Sql.string jsonPath ]
+                sqlProps
 
     /// Commands to delete documents
     [<RequireQualifiedAccess>]
     module Delete =
         
         /// Delete a document by its ID
-        let byId tableName docId sqlProps =
-            executeNonQueryWithId (Query.Delete.byId tableName) docId {||} sqlProps
+        [<CompiledName "ById">]
+        let byId tableName (docId: 'TKey) sqlProps =
+            Custom.nonQuery (Query.Delete.byId tableName) [ idParam docId ] sqlProps
+
+        /// Delete documents by matching a JSON field comparison query (->> =)
+        [<CompiledName "ByField">]
+        let byField tableName fieldName op (value: obj) sqlProps =
+            Custom.nonQuery (Query.Delete.byField tableName fieldName op) [ fieldParam value ] sqlProps
         
         /// Delete documents by matching a JSON contains query (@>)
-        let byContains tableName (criteria: obj) sqlProps =
-            sqlProps
-            |> Sql.query (Query.Delete.byContains tableName)
-            |> Sql.parameters [ "@criteria", Query.jsonbDocParam criteria ]
-            |> Sql.executeNonQueryAsync
-            |> ignoreTask
+        [<CompiledName "ByContains">]
+        let byContains tableName (criteria: 'TCriteria) sqlProps =
+            Custom.nonQuery (Query.Delete.byContains tableName) [ jsonParam "@criteria" criteria ] sqlProps
 
         /// Delete documents by matching a JSON Path match query (@?)
+        [<CompiledName "ByJsonPath">]
         let byJsonPath tableName path sqlProps =
-            sqlProps
-            |> Sql.query (Query.Delete.byJsonPath tableName)
-            |> Sql.parameters [ "@path", Sql.string path ]
-            |> Sql.executeNonQueryAsync
-            |> ignoreTask
+            Custom.nonQuery (Query.Delete.byJsonPath tableName) [ "@path", Sql.string path ] sqlProps
     
-    /// Commands to execute custom SQL queries
-    [<RequireQualifiedAccess>]
-    module Custom =
     
-        /// Execute a query that returns one or no results
-        let single<'T> query parameters (mapFunc: RowReader -> 'T) sqlProps = backgroundTask {
-            let! results =
-                Sql.query query sqlProps
-                |> Sql.parameters parameters
-                |> Sql.executeAsync mapFunc
-            return List.tryHead results
-        }
+/// Commands to execute custom SQL queries
+[<RequireQualifiedAccess>]
+module Custom =
 
-        /// Execute a query that returns a list of results
-        let list<'T> query parameters (mapFunc: RowReader -> 'T) sqlProps =
-            Sql.query query sqlProps
-            |> Sql.parameters parameters
-            |> Sql.executeAsync mapFunc
+    /// Execute a query that returns a list of results
+    [<CompiledName "FSharpList">]
+    let list<'TDoc> query parameters (mapFunc: RowReader -> 'TDoc) =
+        WithProps.Custom.list<'TDoc> query parameters mapFunc (fromDataSource ())
 
-        /// Execute a query that returns no results
-        let nonQuery query parameters sqlProps =
-            Sql.query query sqlProps
-            |> Sql.parameters (List.ofSeq parameters)
-            |> Sql.executeNonQueryAsync
-            |> ignoreTask
+    /// Execute a query that returns a list of results
+    let List<'TDoc>(query, parameters, mapFunc: System.Func<RowReader, 'TDoc>) =
+        WithProps.Custom.List<'TDoc>(query, parameters, mapFunc, fromDataSource ())
 
-        /// Execute a query that returns a scalar value
-        let scalar<'T when 'T : struct> query parameters (mapFunc: RowReader -> 'T) sqlProps =
-            Sql.query query sqlProps
-            |> Sql.parameters parameters
-            |> Sql.executeRowAsync mapFunc
+    /// Execute a query that returns one or no results; returns None if not found
+    [<CompiledName "FSharpSingle">]
+    let single<'TDoc> query parameters (mapFunc: RowReader ->  'TDoc) =
+        WithProps.Custom.single<'TDoc> query parameters mapFunc (fromDataSource ())
+
+    /// Execute a query that returns one or no results; returns null if not found
+    let Single<'TDoc when 'TDoc: null>(query, parameters, mapFunc: System.Func<RowReader, 'TDoc>) =
+        WithProps.Custom.Single<'TDoc>(query, parameters, mapFunc, fromDataSource ())
+
+    /// Execute a query that returns no results
+    [<CompiledName "NonQuery">]
+    let nonQuery query parameters =
+        WithProps.Custom.nonQuery query parameters (fromDataSource ())
+
+    /// Execute a query that returns a scalar value
+    [<CompiledName "FSharpScalar">]
+    let scalar<'T when 'T: struct> query parameters (mapFunc: RowReader -> 'T) =
+        WithProps.Custom.scalar query parameters mapFunc (fromDataSource ())
+
+    /// Execute a query that returns a scalar value
+    let Scalar<'T when 'T: struct>(query, parameters, mapFunc: System.Func<RowReader, 'T>) =
+        WithProps.Custom.Scalar<'T>(query, parameters, mapFunc, fromDataSource ())
 
 
 /// Document writing functions
 [<AutoOpen>]
 module Document =
+    
     /// Insert a new document
-    let insert<'T> tableName (document: 'T) =
-        WithProps.insert tableName document (fromDataSource ())
+    [<CompiledName "Insert">]
+    let insert<'TDoc> tableName (document: 'TDoc) =
+        WithProps.Document.insert<'TDoc> tableName document (fromDataSource ())
 
     /// Save a document, inserting it if it does not exist and updating it if it does (AKA "upsert")
-    let save<'T> tableName (document: 'T) =
-        WithProps.save<'T> tableName document (fromDataSource ())
+    [<CompiledName "Save">]
+    let save<'TDoc> tableName (document: 'TDoc) =
+        WithProps.Document.save<'TDoc> tableName document (fromDataSource ())
 
 
 /// Queries to count documents
@@ -445,14 +595,22 @@ module Document =
 module Count =
     
     /// Count all documents in a table
+    [<CompiledName "All">]
     let all tableName =
         WithProps.Count.all tableName (fromDataSource ())
     
+    /// Count matching documents using a JSON field comparison query (->> =)
+    [<CompiledName "ByField">]
+    let byField tableName fieldName op (value: obj) =
+        WithProps.Count.byField tableName fieldName op value (fromDataSource ())
+    
     /// Count matching documents using a JSON containment query (@>)
+    [<CompiledName "ByContains">]
     let byContains tableName criteria =
         WithProps.Count.byContains tableName criteria (fromDataSource ())
 
     /// Count matching documents using a JSON Path match query (@?)
+    [<CompiledName "ByJsonPath">]
     let byJsonPath tableName jsonPath =
         WithProps.Count.byJsonPath tableName jsonPath (fromDataSource ())
 
@@ -462,14 +620,22 @@ module Count =
 module Exists =
 
     /// Determine if a document exists for the given ID
+    [<CompiledName "ById">]
     let byId tableName docId =
         WithProps.Exists.byId tableName docId (fromDataSource ())
     
-    /// Determine if a document exists using a JSON containment query (@>)
+    /// Determine if documents exist using a JSON field comparison query (->> =)
+    [<CompiledName "ByField">]
+    let byField tableName fieldName op (value: obj) =
+        WithProps.Exists.byField tableName fieldName op value (fromDataSource ())
+    
+    /// Determine if documents exist using a JSON containment query (@>)
+    [<CompiledName "ByContains">]
     let byContains tableName criteria =
         WithProps.Exists.byContains tableName criteria (fromDataSource ())
 
-    /// Determine if a document exists using a JSON Path match query (@?)
+    /// Determine if documents exist using a JSON Path match query (@?)
+    [<CompiledName "ByJsonPath">]
     let byJsonPath tableName jsonPath =
         WithProps.Exists.byJsonPath tableName jsonPath (fromDataSource ())
 
@@ -479,28 +645,76 @@ module Exists =
 module Find =
     
     /// Retrieve all documents in the given table
-    let all<'T> tableName =
-        WithProps.Find.all<'T> tableName (fromDataSource ())
+    [<CompiledName "FSharpAll">]
+    let all<'TDoc> tableName =
+        WithProps.Find.all<'TDoc> tableName (fromDataSource ())
 
-    /// Retrieve a document by its ID
-    let byId<'T> tableName docId =
-        WithProps.Find.byId<'T> tableName docId (fromDataSource ())
+    /// Retrieve all documents in the given table
+    let All<'TDoc> tableName =
+        WithProps.Find.All<'TDoc>(tableName, fromDataSource ())
 
-    /// Execute a JSON containment query (@>)
-    let byContains<'T> tableName criteria =
-        WithProps.Find.byContains<'T> tableName criteria (fromDataSource ())
+    /// Retrieve a document by its ID; returns None if not found
+    [<CompiledName "FSharpById">]
+    let byId<'TKey, 'TDoc> tableName docId =
+        WithProps.Find.byId<'TKey, 'TDoc> tableName docId (fromDataSource ())
 
-    /// Execute a JSON Path match query (@?)
-    let byJsonPath<'T> tableName jsonPath =
-        WithProps.Find.byJsonPath<'T> tableName jsonPath (fromDataSource ())
+    /// Retrieve a document by its ID; returns null if not found
+    let ById<'TKey, 'TDoc when 'TDoc: null>(tableName, docId: 'TKey) =
+        WithProps.Find.ById<'TKey, 'TDoc>(tableName, docId, fromDataSource ())
 
-    /// Execute a JSON containment query (@>), returning only the first result
-    let firstByContains<'T> tableName (criteria: obj) =
-        WithProps.Find.firstByContains<'T> tableName criteria (fromDataSource ())
+    /// Retrieve documents matching a JSON field comparison query (->> =)
+    [<CompiledName "FSharpByField">]
+    let byField<'TDoc> tableName fieldName op (value: obj) =
+        WithProps.Find.byField<'TDoc> tableName fieldName op value (fromDataSource ())
     
-    /// Execute a JSON Path match query (@?), returning only the first result
-    let firstByJsonPath<'T> tableName jsonPath =
-        WithProps.Find.firstByJsonPath<'T> tableName jsonPath (fromDataSource ())
+    /// Retrieve documents matching a JSON field comparison query (->> =)
+    let ByField<'TDoc>(tableName, fieldName, op, value: obj) =
+        WithProps.Find.ByField<'TDoc>(tableName, fieldName, op, value, fromDataSource ())
+    
+    /// Retrieve documents matching a JSON containment query (@>)
+    [<CompiledName "FSharpByContains">]
+    let byContains<'TDoc> tableName (criteria: obj) =
+        WithProps.Find.byContains<'TDoc> tableName criteria (fromDataSource ())
+
+    /// Retrieve documents matching a JSON containment query (@>)
+    let ByContains<'TDoc>(tableName, criteria: obj) =
+        WithProps.Find.ByContains<'TDoc>(tableName, criteria, fromDataSource ())
+
+    /// Retrieve documents matching a JSON Path match query (@?)
+    [<CompiledName "FSharpByJsonPath">]
+    let byJsonPath<'TDoc> tableName jsonPath =
+        WithProps.Find.byJsonPath<'TDoc> tableName jsonPath (fromDataSource ())
+    
+    /// Retrieve documents matching a JSON Path match query (@?)
+    let ByJsonPath<'TDoc>(tableName, jsonPath) =
+        WithProps.Find.ByJsonPath<'TDoc>(tableName, jsonPath, fromDataSource ())
+    
+    /// Retrieve the first document matching a JSON field comparison query (->> =); returns None if not found
+    [<CompiledName "FSharpFirstByField">]
+    let firstByField<'TDoc> tableName fieldName op (value: obj) =
+        WithProps.Find.firstByField<'TDoc> tableName fieldName op value (fromDataSource ())
+    
+    /// Retrieve the first document matching a JSON field comparison query (->> =); returns null if not found
+    let FirstByField<'TDoc when 'TDoc: null>(tableName, fieldName, op, value: obj) =
+        WithProps.Find.FirstByField<'TDoc>(tableName, fieldName, op, value, fromDataSource ())
+    
+    /// Retrieve the first document matching a JSON containment query (@>); returns None if not found
+    [<CompiledName "FSharpFirstByContains">]
+    let firstByContains<'TDoc> tableName (criteria: obj) =
+        WithProps.Find.firstByContains<'TDoc> tableName criteria (fromDataSource ())
+
+    /// Retrieve the first document matching a JSON containment query (@>); returns null if not found
+    let FirstByContains<'TDoc when 'TDoc: null>(tableName, criteria: obj) =
+        WithProps.Find.FirstByContains<'TDoc>(tableName, criteria, fromDataSource ())
+
+    /// Retrieve the first document matching a JSON Path match query (@?); returns None if not found
+    [<CompiledName "FSharpFirstByJsonPath">]
+    let firstByJsonPath<'TDoc> tableName jsonPath =
+        WithProps.Find.firstByJsonPath<'TDoc> tableName jsonPath (fromDataSource ())
+
+    /// Retrieve the first document matching a JSON Path match query (@?); returns null if not found
+    let FirstByJsonPath<'TDoc when 'TDoc: null>(tableName, jsonPath) =
+        WithProps.Find.FirstByJsonPath<'TDoc>(tableName, jsonPath, fromDataSource ())
 
 
 /// Commands to update documents
@@ -508,23 +722,37 @@ module Find =
 module Update =
 
     /// Update a full document
-    let full<'T> tableName docId (document: 'T) =
-        WithProps.Update.full<'T> tableName docId document (fromDataSource ())
+    [<CompiledName "Full">]
+    let full tableName (docId: 'TKey) (document: 'TDoc) =
+        WithProps.Update.full tableName docId document (fromDataSource ())
 
     /// Update a full document
-    let fullFunc<'T> tableName idFunc (document: 'T) =
-        WithProps.Update.fullFunc<'T> tableName idFunc document (fromDataSource ())
+    [<CompiledName "FSharpFullFunc">]
+    let fullFunc tableName (idFunc: 'TDoc -> 'TKey) (document: 'TDoc) =
+        WithProps.Update.fullFunc tableName idFunc document (fromDataSource ())
+
+    /// Update a full document
+    let FullFunc(tableName, idFunc: System.Func<'TDoc, 'TKey>, document: 'TDoc) =
+        WithProps.Update.FullFunc(tableName, idFunc, document, fromDataSource ())
 
     /// Update a partial document
-    let partialById tableName docId (partial: obj) =
+    [<CompiledName "PartialById">]
+    let partialById tableName (docId: 'TKey) (partial: 'TPartial) =
         WithProps.Update.partialById tableName docId partial (fromDataSource ())
     
+    /// Update partial documents using a JSON field comparison query in the WHERE clause (->> =)
+    [<CompiledName "PartialByField">]
+    let partialByField tableName fieldName op (value: obj) (partial: 'TPartial) =
+        WithProps.Update.partialByField tableName fieldName op value partial (fromDataSource ())
+    
     /// Update partial documents using a JSON containment query in the WHERE clause (@>)
-    let partialByContains tableName (criteria: obj) (partial: obj) =
+    [<CompiledName "PartialByContains">]
+    let partialByContains tableName (criteria: 'TCriteria) (partial: 'TPartial) =
         WithProps.Update.partialByContains tableName criteria partial (fromDataSource ())
     
     /// Update partial documents using a JSON Path match query in the WHERE clause (@?)
-    let partialByJsonPath tableName jsonPath (partial: obj) =
+    [<CompiledName "PartialByJsonPath">]
+    let partialByJsonPath tableName jsonPath (partial: 'TPartial) =
         WithProps.Update.partialByJsonPath tableName jsonPath partial (fromDataSource ())
 
 
@@ -533,34 +761,21 @@ module Update =
 module Delete =
     
     /// Delete a document by its ID
-    let byId tableName docId =
+    [<CompiledName "ById">]
+    let byId tableName (docId: 'TKey) =
         WithProps.Delete.byId tableName docId (fromDataSource ())
 
-    /// Delete documents by matching a JSON contains query (@>)
-    let byContains tableName (criteria: obj) =
+    /// Delete documents by matching a JSON field comparison query (->> =)
+    [<CompiledName "ByField">]
+    let byField tableName fieldName op (value: obj) =
+        WithProps.Delete.byField tableName fieldName op value (fromDataSource ())
+    
+    /// Delete documents by matching a JSON containment query (@>)
+    [<CompiledName "ByContains">]
+    let byContains tableName (criteria: 'TContains) =
         WithProps.Delete.byContains tableName criteria (fromDataSource ())
 
     /// Delete documents by matching a JSON Path match query (@?)
+    [<CompiledName "ByJsonPath">]
     let byJsonPath tableName path =
         WithProps.Delete.byJsonPath tableName path (fromDataSource ())
-
-    
-/// Commands to execute custom SQL queries
-[<RequireQualifiedAccess>]
-module Custom =
-
-    /// Execute a query that returns one or no results
-    let single<'T> query parameters (mapFunc: RowReader ->  'T) =
-        WithProps.Custom.single query parameters mapFunc (fromDataSource ())
-
-    /// Execute a query that returns a list of results
-    let list<'T> query parameters (mapFunc: RowReader -> 'T) =
-        WithProps.Custom.list query parameters mapFunc (fromDataSource ())
-
-    /// Execute a query that returns no results
-    let nonQuery query parameters =
-        WithProps.Custom.nonQuery query parameters (fromDataSource ())
-
-    /// Execute a query that returns a scalar value
-    let scalar<'T when 'T: struct> query parameters (mapFunc: RowReader -> 'T) =
-        WithProps.Custom.scalar query parameters mapFunc (fromDataSource ())

src/Sqlite/Library.fs

@@ -39,6 +39,21 @@ module Query =
         let ensureTable name =
             Query.Definition.ensureTableFor name "TEXT"
     
+    /// Document update queries
+    module Update =
+        
+        /// Query to update a partial document by its ID
+        [<CompiledName "PartialById">]
+        let partialById tableName =
+            $"""UPDATE %s{tableName} SET data = json_patch(data, json(@data)) WHERE {Query.whereById "@id"}"""
+            
+        /// Query to update a partial document via a comparison on a JSON field
+        [<CompiledName "PartialByField">]
+        let partialByField tableName fieldName op =
+            sprintf
+                "UPDATE %s SET data = json_patch(data, json(@data)) WHERE %s"
+                tableName (Query.whereByField fieldName op "@field")
+
 
 /// Parameter handling helpers
 [<AutoOpen>]

src/Tests.CSharp/CommonCSharpTests.cs

@@ -1,9 +1,10 @@
-namespace BitBadger.Documents.Tests.CSharp;
-
-using Documents;
 using Expecto.CSharp;
 using Expecto;
 
+namespace BitBadger.Documents.Tests.CSharp;
+
+using static Runner;
+
 /// <summary>
 /// A test serializer that returns known values
 /// </summary>
@@ -21,13 +22,14 @@ public static class CommonCSharpTests
     /// <summary>
     /// Unit tests
     /// </summary>
-    [Tests] public static Test Unit =
-        Runner.TestList("Common.C# Unit", new[]
+    [Tests]
+    public static Test Unit =
+        TestList("Common.C# Unit", new[]
         {
-            Runner.TestSequenced(
-                Runner.TestList("Configuration", new[]
+            TestSequenced(
+                TestList("Configuration", new[]
                 {
-                    Runner.TestCase("UseSerializer succeeds", () =>
+                    TestCase("UseSerializer succeeds", () =>
                     {
                         try
                         {
@@ -49,12 +51,12 @@ public static class CommonCSharpTests
                             Configuration.UseSerializer(DocumentSerializer.Default);
                         }
                     }),
-                    Runner.TestCase("Serializer returns configured serializer", () =>
+                    TestCase("Serializer returns configured serializer", () =>
                     {
                         Expect.isTrue(ReferenceEquals(DocumentSerializer.Default, Configuration.Serializer()),
                             "Serializer should have been the same");
                     }),
-                    Runner.TestCase("UseIdField / IdField succeeds", () =>
+                    TestCase("UseIdField / IdField succeeds", () =>
                     {
                         try
                         {
@@ -69,89 +71,89 @@ public static class CommonCSharpTests
                         }
                     })
             })),
-            Runner.TestList("Op", new[]
+            TestList("Op", new[]
             {
-                Runner.TestCase("EQ succeeds", () =>
+                TestCase("EQ succeeds", () =>
                 {
                     Expect.equal(Op.EQ.ToString(), "=", "The equals operator was not correct");
                 }),
-                Runner.TestCase("GT succeeds", () =>
+                TestCase("GT succeeds", () =>
                 {
                     Expect.equal(Op.GT.ToString(), ">", "The greater than operator was not correct");
                 }),
-                Runner.TestCase("GE succeeds", () =>
+                TestCase("GE succeeds", () =>
                 {
                     Expect.equal(Op.GE.ToString(), ">=", "The greater than or equal to operator was not correct");
                 }),
-                Runner.TestCase("LT succeeds", () =>
+                TestCase("LT succeeds", () =>
                 {
                     Expect.equal(Op.LT.ToString(), "<", "The less than operator was not correct");
                 }),
-                Runner.TestCase("LE succeeds", () =>
+                TestCase("LE succeeds", () =>
                 {
                     Expect.equal(Op.LE.ToString(), "<=", "The less than or equal to operator was not correct");
                 }),
-                Runner.TestCase("NE succeeds", () =>
+                TestCase("NE succeeds", () =>
                 {
                     Expect.equal(Op.NE.ToString(), "<>", "The not equal to operator was not correct");
                 }),
-                Runner.TestCase("EX succeeds", () =>
+                TestCase("EX succeeds", () =>
                 {
                     Expect.equal(Op.EX.ToString(), "IS NOT NULL", "The \"exists\" operator was not correct");
                 }),
-                Runner.TestCase("NEX succeeds", () =>
+                TestCase("NEX succeeds", () =>
                 {
                     Expect.equal(Op.NEX.ToString(), "IS NULL", "The \"not exists\" operator was not correct");
                 })
             }),
-            Runner.TestList("Query", new[]
+            TestList("Query", new[]
             {
-                Runner.TestCase("SelectFromTable succeeds", () =>
+                TestCase("SelectFromTable succeeds", () =>
                 {
                     Expect.equal(Query.SelectFromTable("test.table"), "SELECT data FROM test.table",
                         "SELECT statement not correct");
                 }),
-                Runner.TestCase("WhereById succeeds", () =>
+                TestCase("WhereById succeeds", () =>
                 {
                     Expect.equal(Query.WhereById("@id"), "data ->> 'Id' = @id", "WHERE clause not correct");
                 }),
-                Runner.TestList("WhereByField", new[]
+                TestList("WhereByField", new[]
                 {
-                    Runner.TestCase("succeeds when a logical operator is passed", () =>
+                    TestCase("succeeds when a logical operator is passed", () =>
                     {
                         Expect.equal(Query.WhereByField("theField", Op.GT, "@test"), "data ->> 'theField' > @test",
                             "WHERE clause not correct");
                     }),
-                    Runner.TestCase("succeeds when an existence operator is passed", () =>
+                    TestCase("succeeds when an existence operator is passed", () =>
                     {
                         Expect.equal(Query.WhereByField("thatField", Op.NEX, ""), "data ->> 'thatField' IS NULL",
                             "WHERE clause not correct");
                     })
                 }),
-                Runner.TestList("Definition", new[]
+                TestList("Definition", new[]
                 {
-                    Runner.TestCase("EnsureTableFor succeeds", () =>
+                    TestCase("EnsureTableFor succeeds", () =>
                     {
                         Expect.equal(Query.Definition.EnsureTableFor("my.table", "JSONB"),
                             "CREATE TABLE IF NOT EXISTS my.table (data JSONB NOT NULL)",
                             "CREATE TABLE statement not constructed correctly");
                     }),
-                    Runner.TestList("EnsureKey", new[]
+                    TestList("EnsureKey", new[]
                     {
-                        Runner.TestCase("succeeds when a schema is present", () =>
+                        TestCase("succeeds when a schema is present", () =>
                         {
                             Expect.equal(Query.Definition.EnsureKey("test.table"),
                                 "CREATE UNIQUE INDEX IF NOT EXISTS idx_table_key ON test.table ((data ->> 'Id'))",
                                 "CREATE INDEX for key statement with schema not constructed correctly");
                         }),
-                        Runner.TestCase("succeeds when a schema is not present", () =>
+                        TestCase("succeeds when a schema is not present", () =>
                         {
                             Expect.equal(Query.Definition.EnsureKey("table"),
                                 "CREATE UNIQUE INDEX IF NOT EXISTS idx_table_key ON table ((data ->> 'Id'))",
                                 "CREATE INDEX for key statement without schema not constructed correctly");
                         })
                     }),
-                    Runner.TestCase("EnsureIndexOn succeeds for multiple fields and directions", () =>
+                    TestCase("EnsureIndexOn succeeds for multiple fields and directions", () =>
                     {
                         Expect.equal(
                             Query.Definition.EnsureIndexOn("test.table", "gibberish",
@@ -161,87 +163,72 @@ public static class CommonCSharpTests
                             "CREATE INDEX for multiple field statement incorrect");
                     })
                 }),
-                Runner.TestCase("Insert succeeds", () =>
+                TestCase("Insert succeeds", () =>
                 {
                     Expect.equal(Query.Insert("tbl"), "INSERT INTO tbl VALUES (@data)", "INSERT statement not correct");
                 }),
-                Runner.TestCase("Save succeeds", () =>
+                TestCase("Save succeeds", () =>
                 {
                     Expect.equal(Query.Save("tbl"),
                         $"INSERT INTO tbl VALUES (@data) ON CONFLICT ((data ->> 'Id')) DO UPDATE SET data = EXCLUDED.data",
                         "INSERT ON CONFLICT UPDATE statement not correct");
                 }),
-                Runner.TestList("Count", new[]
+                TestList("Count", new[]
                 {
-                    Runner.TestCase("All succeeds", () =>
+                    TestCase("All succeeds", () =>
                     {
                         Expect.equal(Query.Count.All("tbl"), "SELECT COUNT(*) AS it FROM tbl",
                             "Count query not correct");
                     }),
-                    Runner.TestCase("ByField succeeds", () =>
+                    TestCase("ByField succeeds", () =>
                     {
                         Expect.equal(Query.Count.ByField("tbl", "thatField", Op.EQ),
                             "SELECT COUNT(*) AS it FROM tbl WHERE data ->> 'thatField' = @field",
                             "JSON field text comparison count query not correct");
                     })
                 }),
-                Runner.TestList("Exists", new[]
+                TestList("Exists", new[]
                 {
-                    Runner.TestCase("ById succeeds", () =>
+                    TestCase("ById succeeds", () =>
                     {
                         Expect.equal(Query.Exists.ById("tbl"),
                             "SELECT EXISTS (SELECT 1 FROM tbl WHERE data ->> 'Id' = @id) AS it",
                             "ID existence query not correct");
                     }),
-                    Runner.TestCase("ByField succeeds", () =>
+                    TestCase("ByField succeeds", () =>
                     {
                         Expect.equal(Query.Exists.ByField("tbl", "Test", Op.LT),
                             "SELECT EXISTS (SELECT 1 FROM tbl WHERE data ->> 'Test' < @field) AS it",
                             "JSON field text comparison exists query not correct");
                     })
                 }),
-                Runner.TestList("Find", new[]
+                TestList("Find", new[]
                 {
-                    Runner.TestCase("ById succeeds", () =>
+                    TestCase("ById succeeds", () =>
                     {
                         Expect.equal(Query.Find.ById("tbl"), "SELECT data FROM tbl WHERE data ->> 'Id' = @id",
                             "SELECT by ID query not correct");
                     }),
-                    Runner.TestCase("ByField succeeds", () =>
+                    TestCase("ByField succeeds", () =>
                     {
                         Expect.equal(Query.Find.ByField("tbl", "Golf", Op.GE),
                             "SELECT data FROM tbl WHERE data ->> 'Golf' >= @field",
                             "SELECT by JSON comparison query not correct");
                     })
                 }),
-                Runner.TestList("Update", new[]
+                TestCase("Update.Full succeeds", () =>
                 {
-                    Runner.TestCase("Full succeeds", () =>
-                    {
-                        Expect.equal(Query.Update.Full("tbl"), "UPDATE tbl SET data = @data WHERE data ->> 'Id' = @id",
-                            "UPDATE full statement not correct");
-                    }),
-                    Runner.TestCase("PartialById succeeds", () =>
-                    {
-                        Expect.equal(Query.Update.PartialById("tbl"),
-                            "UPDATE tbl SET data = json_patch(data, json(@data)) WHERE data ->> 'Id' = @id",
-                            "UPDATE partial by ID statement not correct");
-                    }),
-                    Runner.TestCase("PartialByField succeeds", () =>
-                    {
-                        Expect.equal(Query.Update.PartialByField("tbl", "Part", Op.NE),
-                            "UPDATE tbl SET data = json_patch(data, json(@data)) WHERE data ->> 'Part' <> @field",
-                            "UPDATE partial by JSON comparison query not correct");
-                    })
+                    Expect.equal(Query.Update.Full("tbl"), "UPDATE tbl SET data = @data WHERE data ->> 'Id' = @id",
+                        "UPDATE full statement not correct");
                 }),
-                Runner.TestList("Delete", new[]
+                TestList("Delete", new[]
                 {
-                    Runner.TestCase("ById succeeds", () =>
+                    TestCase("ById succeeds", () =>
                     {
                         Expect.equal(Query.Delete.ById("tbl"), "DELETE FROM tbl WHERE data ->> 'Id' = @id",
                             "DELETE by ID query not correct");
                     }),
-                    Runner.TestCase("ByField succeeds", () =>
+                    TestCase("ByField succeeds", () =>
                     {
                         Expect.equal(Query.Delete.ByField("tbl", "gone", Op.NEX),
                             "DELETE FROM tbl WHERE data ->> 'gone' IS NULL",

src/Tests.CSharp/SqliteCSharpTests.cs

@@ -19,6 +19,29 @@ public static class SqliteCSharpTests
     public static Test Unit =
         TestList("Unit", new[]
         {
+            TestList("Query", new[]
+            {
+                TestCase("Definition.EnsureTable succeeds", () =>
+                {
+                    Expect.equal(Sqlite.Query.Definition.EnsureTable("tbl"),
+                        "CREATE TABLE IF NOT EXISTS tbl (data TEXT NOT NULL)", "CREATE TABLE statement not correct");
+                }),
+                TestList("Update", new[]
+                {
+                    TestCase("PartialById succeeds", () =>
+                    {
+                        Expect.equal(Sqlite.Query.Update.PartialById("tbl"),
+                            "UPDATE tbl SET data = json_patch(data, json(@data)) WHERE data ->> 'Id' = @id",
+                            "UPDATE partial by ID statement not correct");
+                    }),
+                    TestCase("PartialByField succeeds", () =>
+                    {
+                        Expect.equal(Sqlite.Query.Update.PartialByField("tbl", "Part", Op.NE),
+                            "UPDATE tbl SET data = json_patch(data, json(@data)) WHERE data ->> 'Part' <> @field",
+                            "UPDATE partial by JSON comparison query not correct");
+                    })
+                }),
+            }),
             TestList("Parameters", new[] 
             {
                 TestCase("Id succeeds", () =>

src/Tests/CommonTests.fs

@@ -141,18 +141,6 @@ let all =
                         $"UPDATE {tbl} SET data = @data WHERE data ->> 'Id' = @id"
                         "UPDATE full statement not correct"
                 }
-                test "partialById succeeds" {
-                    Expect.equal
-                        (Query.Update.partialById tbl)
-                        $"UPDATE {tbl} SET data = json_patch(data, json(@data)) WHERE data ->> 'Id' = @id"
-                        "UPDATE partial by ID statement not correct"
-                }
-                test "partialByField succeeds" {
-                    Expect.equal
-                        (Query.Update.partialByField tbl "Part" NE)
-                        $"UPDATE {tbl} SET data = json_patch(data, json(@data)) WHERE data ->> 'Part' <> @field"
-                        "UPDATE partial by JSON comparison query not correct"
-                }
             ]
             testList "Delete" [
                 test "byId succeeds" {

src/Tests/PostgresTests.fs

@@ -1,6 +1,7 @@
 module PostgresTests
 
 open Expecto
+open BitBadger.Documents
 open BitBadger.Documents.Postgres
 open BitBadger.Documents.Tests
 
@@ -30,13 +31,6 @@ let unitTests =
             }
         ]
         testList "Query" [
-            test "selectFromTable succeeds" {
-                Expect.equal (Query.selectFromTable PostgresDb.TableName) $"SELECT data FROM {PostgresDb.TableName}"
-                    "SELECT statement not correct"
-            }
-            test "whereById succeeds" {
-                Expect.equal (Query.whereById "@id") "data ->> 'Id' = @id" "WHERE clause not correct"
-            }
             test "whereDataContains succeeds" {
                 Expect.equal (Query.whereDataContains "@test") "data @> @test" "WHERE clause not correct"
             }
@@ -65,10 +59,6 @@ let unitTests =
                     "INSERT ON CONFLICT UPDATE statement not correct"
             }
             testList "Count" [
-                test "all succeeds" {
-                    Expect.equal (Query.Count.all PostgresDb.TableName) $"SELECT COUNT(*) AS it FROM {PostgresDb.TableName}"
-                        "Count query not correct"
-                }
                 test "byContains succeeds" {
                     Expect.equal (Query.Count.byContains PostgresDb.TableName)
                         $"SELECT COUNT(*) AS it FROM {PostgresDb.TableName} WHERE data @> @criteria"
@@ -81,11 +71,6 @@ let unitTests =
                 }
             ]
             testList "Exists" [
-                test "byId succeeds" {
-                    Expect.equal (Query.Exists.byId PostgresDb.TableName)
-                        $"SELECT EXISTS (SELECT 1 FROM {PostgresDb.TableName} WHERE data ->> 'Id' = @id) AS it"
-                        "ID existence query not correct"
-                }
                 test "byContains succeeds" {
                     Expect.equal (Query.Exists.byContains PostgresDb.TableName)
                         $"SELECT EXISTS (SELECT 1 FROM {PostgresDb.TableName} WHERE data @> @criteria) AS it"
@@ -98,10 +83,6 @@ let unitTests =
                 }
             ]
             testList "Find" [
-                test "byId succeeds" {
-                    Expect.equal (Query.Find.byId PostgresDb.TableName)
-                        $"SELECT data FROM {PostgresDb.TableName} WHERE data ->> 'Id' = @id" "SELECT by ID query not correct"
-                }
                 test "byContains succeeds" {
                     Expect.equal (Query.Find.byContains PostgresDb.TableName)
                         $"SELECT data FROM {PostgresDb.TableName} WHERE data @> @criteria"
@@ -114,11 +95,6 @@ let unitTests =
                 }
             ]
             testList "Update" [
-                test "full succeeds" {
-                    Expect.equal (Query.Update.full PostgresDb.TableName)
-                        $"UPDATE {PostgresDb.TableName} SET data = @data WHERE data ->> 'Id' = @id"
-                        "UPDATE full statement not correct"
-                }
                 test "partialById succeeds" {
                     Expect.equal (Query.Update.partialById PostgresDb.TableName)
                         $"UPDATE {PostgresDb.TableName} SET data = data || @data WHERE data ->> 'Id' = @id"
@@ -136,10 +112,6 @@ let unitTests =
                 }
             ]
             testList "Delete" [
-                test "byId succeeds" {
-                    Expect.equal (Query.Delete.byId PostgresDb.TableName) $"DELETE FROM {PostgresDb.TableName} WHERE data ->> 'Id' = @id"
-                        "DELETE by ID query not correct"
-                }
                 test "byContains succeeds" {
                     Expect.equal (Query.Delete.byContains PostgresDb.TableName)
                         $"DELETE FROM {PostgresDb.TableName} WHERE data @> @criteria"
@@ -266,14 +238,14 @@ let integrationTests =
                 let testDoc = { emptyDoc with Id = "test"; Sub = Some { Foo = "a"; Bar = "b" } }
                 do! insert PostgresDb.TableName testDoc
 
-                let! before = Find.byId<JsonDocument> PostgresDb.TableName "test"
-                if Option.isNone before then Expect.isTrue false "There should have been a document returned"
+                let! before = Find.byId<string, JsonDocument> PostgresDb.TableName "test"
+                Expect.isSome before "There should have been a document returned"
                 Expect.equal before.Value testDoc "The document is not correct"
 
                 let upd8Doc = { testDoc with Sub = Some { Foo = "c"; Bar = "d" } }
                 do! save PostgresDb.TableName upd8Doc
-                let! after = Find.byId<JsonDocument> PostgresDb.TableName "test"
-                if Option.isNone after then Expect.isTrue false "There should have been a document returned post-update"
+                let! after = Find.byId<string, JsonDocument> PostgresDb.TableName "test"
+                Expect.isSome after "There should have been a document returned post-update"
                 Expect.equal after.Value upd8Doc "The updated document is not correct"
             }
         ]
@@ -378,7 +350,7 @@ let integrationTests =
                     use db = PostgresDb.BuildDb()
                     do! loadDocs ()
 
-                    let! doc = Find.byId<JsonDocument> PostgresDb.TableName "two"
+                    let! doc = Find.byId<string, JsonDocument> PostgresDb.TableName "two"
                     Expect.isTrue (Option.isSome doc) "There should have been a document returned"
                     Expect.equal doc.Value.Id "two" "The incorrect document was returned"
                 }
@@ -386,7 +358,7 @@ let integrationTests =
                     use db = PostgresDb.BuildDb()
                     do! loadDocs ()
 
-                    let! doc = Find.byId<JsonDocument> PostgresDb.TableName "three hundred eighty-seven"
+                    let! doc = Find.byId<string, JsonDocument> PostgresDb.TableName "three hundred eighty-seven"
                     Expect.isFalse (Option.isSome doc) "There should not have been a document returned"
                 }
             ]
@@ -481,9 +453,8 @@ let integrationTests =
 
                     let testDoc = { emptyDoc with Id = "one"; Sub = Some { Foo = "blue"; Bar = "red" } }
                     do! Update.full PostgresDb.TableName "one" testDoc
-                    let! after = Find.byId<JsonDocument> PostgresDb.TableName "one"
-                    if Option.isNone after then
-                        Expect.isTrue false "There should have been a document returned post-update"
+                    let! after = Find.byId<string, JsonDocument> PostgresDb.TableName "one"
+                    Expect.isSome after "There should have been a document returned post-update"
                     Expect.equal after.Value testDoc "The updated document is not correct"
                 }
                 testTask "succeeds when no document is updated" {
@@ -504,9 +475,8 @@ let integrationTests =
 
                     do! Update.fullFunc PostgresDb.TableName (_.Id)
                             { Id = "one"; Value = "le un"; NumValue = 1; Sub = None }
-                    let! after = Find.byId<JsonDocument> PostgresDb.TableName "one"
-                    if Option.isNone after then
-                        Expect.isTrue false "There should have been a document returned post-update"
+                    let! after = Find.byId<string, JsonDocument> PostgresDb.TableName "one"
+                    Expect.isSome after "There should have been a document returned post-update"
                     Expect.equal after.Value { Id = "one"; Value = "le un"; NumValue = 1; Sub = None }
                         "The updated document is not correct"
                 }
@@ -526,9 +496,8 @@ let integrationTests =
                     do! loadDocs ()
                     
                     do! Update.partialById PostgresDb.TableName "one" {| NumValue = 44 |}
-                    let! after = Find.byId<JsonDocument> PostgresDb.TableName "one"
-                    if Option.isNone after then
-                        Expect.isTrue false "There should have been a document returned post-update"
+                    let! after = Find.byId<string, JsonDocument> PostgresDb.TableName "one"
+                    Expect.isSome after "There should have been a document returned post-update"
                     Expect.equal after.Value.NumValue 44 "The updated document is not correct"
                 }
                 testTask "succeeds when no document is updated" {

src/Tests/Program.fs

@@ -6,6 +6,7 @@ let allTests =
         "BitBadger.Documents"
         [ CommonTests.all
           CommonCSharpTests.Unit
+          PostgresTests.all
           SqliteTests.all
           testSequenced SqliteExtensionTests.integrationTests
           SqliteCSharpTests.All

src/Tests/SqliteTests.fs

@@ -10,6 +10,28 @@ open Types
 /// Unit tests for the SQLite library
 let unitTests =
     testList "Unit" [
+        testList "Query" [
+            test "Definition.ensureTable succeeds" {
+                Expect.equal
+                    (Query.Definition.ensureTable "tbl")
+                    "CREATE TABLE IF NOT EXISTS tbl (data TEXT NOT NULL)"
+                    "CREATE TABLE statement not correct"
+            }
+            testList "Update" [
+                test "partialById succeeds" {
+                    Expect.equal
+                        (Query.Update.partialById "tbl")
+                        "UPDATE tbl SET data = json_patch(data, json(@data)) WHERE data ->> 'Id' = @id"
+                        "UPDATE partial by ID statement not correct"
+                }
+                test "partialByField succeeds" {
+                    Expect.equal
+                        (Query.Update.partialByField "tbl" "Part" NE)
+                        "UPDATE tbl SET data = json_patch(data, json(@data)) WHERE data ->> 'Part' <> @field"
+                        "UPDATE partial by JSON comparison query not correct"
+                }
+            ]
+        ]
         testList "Parameters" [
             test "idParam succeeds" {
                 let theParam = idParam 7