Fix using decimal and Int64 in parameters

src/EFCore.Jet/EFCore.Jet.csproj

@@ -44,6 +44,11 @@
 		<PackageReference Include="System.Collections.Immutable" />
 	</ItemGroup>
 
+	<ItemGroup>
+		<PackageReference Include="System.Data.Odbc" />
+		<PackageReference Include="System.Data.OleDb" />
+	</ItemGroup>
+
 	<ItemGroup>
 		<ProjectReference Include="..\EFCore.Jet.Data\EFCore.Jet.Data.csproj" />
 	</ItemGroup>

src/EFCore.Jet/Storage/Internal/JetDecimalTypeMapping.cs

@@ -1,5 +1,7 @@
 using System.Data;
 using System.Data.Common;
+using System.Data.Odbc;
+using System.Data.OleDb;
 using JetBrains.Annotations;
 using Microsoft.EntityFrameworkCore.Storage;
 
@@ -77,7 +79,18 @@ namespace EntityFrameworkCore.Jet.Storage.Internal
         protected override void ConfigureParameter(DbParameter parameter)
         {
             base.ConfigureParameter(parameter);
-
+            //Decimals needs to be mapped to Numeric for Jet.
+            //Using Decimal is fine for OleDb but Odbc doesn't like it.
+            //Have to use Numeric for Odbc.
+            //Suspect this will also fix any formatting erros with , and . for decimal separator and space and , for digit separator
+            if (parameter is OdbcParameter odbcParameter)
+            {
+                odbcParameter.OdbcType = OdbcType.Numeric;
+            }
+            else if (parameter is OleDbParameter oleDbParameter)
+            {
+                oleDbParameter.OleDbType = OleDbType.Numeric;
+            }
             if (Size.HasValue
                 && Size.Value != -1)
             {

src/EFCore.Jet/Storage/Internal/JetLongTypeMapping.cs

@@ -1,5 +1,6 @@
 using JetBrains.Annotations;
 using Microsoft.EntityFrameworkCore.Storage;
+using System.Data.Common;
 
 namespace EntityFrameworkCore.Jet.Storage.Internal
 {
@@ -17,5 +18,14 @@ namespace EntityFrameworkCore.Jet.Storage.Internal
 
         protected override RelationalTypeMapping Clone(RelationalTypeMappingParameters parameters)
             => new JetLongTypeMapping(parameters);
+
+        protected override void ConfigureParameter(DbParameter parameter)
+        {
+            base.ConfigureParameter(parameter);
+            //Needs to be Object. Using BigInt doesn't always work
+            //If the argument value is a long and within Int32 range, having it as BigInt in x86 works
+            //When running in x64 it fails to convert. Using Object bypasses the conversion
+            parameter.DbType = System.Data.DbType.Object;
+        }
     }
 }

test/EFCore.Jet.FunctionalTests/Query/NorthwindWhereQueryJetTest.cs

@@ -165,7 +165,7 @@ WHERE `c`.`City` = @__city_0
 
             AssertSql(
                 """
-    @__p_0='2' (Nullable = true)
+@__p_0='2' (Nullable = true) (DbType = Object)
 
 SELECT `e`.`EmployeeID`, `e`.`City`, `e`.`Country`, `e`.`FirstName`, `e`.`ReportsTo`, `e`.`Title`
 FROM `Employees` AS `e`
@@ -173,7 +173,7 @@ WHERE `c`.`City` = @__city_0
 """,
                 //
                 """
-    @__p_0='5' (Nullable = true)
+@__p_0='5' (Nullable = true) (DbType = Object)
 
 SELECT `e`.`EmployeeID`, `e`.`City`, `e`.`Country`, `e`.`FirstName`, `e`.`ReportsTo`, `e`.`Title`
 FROM `Employees` AS `e`
@@ -187,7 +187,7 @@ WHERE `c`.`City` = @__city_0
 
             AssertSql(
                 """
-    @__p_0='1' (Nullable = true)
+@__p_0='1' (Nullable = true) (DbType = Object)
 
 SELECT `e`.`EmployeeID`, `e`.`City`, `e`.`Country`, `e`.`FirstName`, `e`.`ReportsTo`, `e`.`Title`
 FROM `Employees` AS `e`
@@ -195,7 +195,7 @@ WHERE `c`.`City` = @__city_0
 """,
                 //
                 """
-    @__p_0='5' (Nullable = true)
+@__p_0='5' (Nullable = true) (DbType = Object)
 
 SELECT `e`.`EmployeeID`, `e`.`City`, `e`.`Country`, `e`.`FirstName`, `e`.`ReportsTo`, `e`.`Title`
 FROM `Employees` AS `e`
@@ -407,7 +407,7 @@ WHERE `c`.`City` = @__InstanceFieldValue_0
 
             AssertSql(
                 """
-    @__p_0='2' (Nullable = true)
+@__p_0='2' (Nullable = true) (DbType = Object)
 
 SELECT `e`.`EmployeeID`, `e`.`City`, `e`.`Country`, `e`.`FirstName`, `e`.`ReportsTo`, `e`.`Title`
 FROM `Employees` AS `e`
@@ -415,7 +415,7 @@ WHERE `c`.`City` = @__InstanceFieldValue_0
 """,
                 //
                 """
-    @__p_0='5' (Nullable = true)
+@__p_0='5' (Nullable = true) (DbType = Object)
 
 SELECT `e`.`EmployeeID`, `e`.`City`, `e`.`Country`, `e`.`FirstName`, `e`.`ReportsTo`, `e`.`Title`
 FROM `Employees` AS `e`
@@ -441,7 +441,7 @@ WHERE `c`.`City` = @__InstanceFieldValue_0
 """,
                 //
                 """
-    @__p_0='5' (Nullable = true)
+@__p_0='5' (Nullable = true) (DbType = Object)
 
 SELECT `e`.`EmployeeID`, `e`.`City`, `e`.`Country`, `e`.`FirstName`, `e`.`ReportsTo`, `e`.`Title`
 FROM `Employees` AS `e`
@@ -449,7 +449,7 @@ WHERE `c`.`City` = @__InstanceFieldValue_0
 """,
                 //
                 """
-    @__p_0='2' (Nullable = true)
+@__p_0='2' (Nullable = true) (DbType = Object)
 
 SELECT `e`.`EmployeeID`, `e`.`City`, `e`.`Country`, `e`.`FirstName`, `e`.`ReportsTo`, `e`.`Title`
 FROM `Employees` AS `e`