Fix casting.

backend/src/Squidex.Data.EntityFramework/Providers/MySql/JsonFunction.cs

@@ -111,11 +111,12 @@ public static class JsonFunction
             return $"{fn}(`{path[0]}`, {path.JsonSubPath()})";
         }
 
+        var arg = formattedValue;
         if (value.IsList)
         {
-            return $"{fn}(`{path[0]}`, {path.JsonSubPath()}, JSON_ARRAY({formattedValue}))";
+            arg = $"JSON_ARRAY({formattedValue})";
         }
 
-        return $"{fn}(`{path[0]}`, {path.JsonSubPath()}, {formattedValue})";
+        return $"{fn}(`{path[0]}`, {path.JsonSubPath()}, {arg})";
     }
 }

backend/src/Squidex.Data.EntityFramework/Providers/Postgres/JsonFunction.cs

@@ -101,11 +101,20 @@ public static class JsonFunction
             return $"{fn}({path.JsonPath(false)})";
         }
 
-        if (value.IsList)
+        var arg = formattedValue;
+        if (value.IsList && type == TypeNumber)
         {
-            return $"{fn}({path.JsonPath(false)}, ARRAY[{formattedValue}])";
+            arg = $"ARRAY[{formattedValue}]::numeric[]";
+        }
+        else if (value.IsList)
+        {
+            arg = $"ARRAY[{formattedValue}]";
+        }
+        else if (type == TypeNumber)
+        {
+            arg = $"{formattedValue}::numeric";
         }
 
-        return $"{fn}({path.JsonPath(false)}, {formattedValue})";
+        return $"{fn}({path.JsonPath(false)}, {arg})";
     }
 }

backend/src/Squidex.Data.EntityFramework/Squidex.Data.EntityFramework.csproj

@@ -11,7 +11,6 @@
     <DebugSymbols>True</DebugSymbols>
   </PropertyGroup>
   <ItemGroup>
-    <None Remove="Providers\Postgres\json_function.sql" />
     <None Remove="Providers\SqlServer\json_function.sql" />
   </ItemGroup>
   <ItemGroup>

backend/tests/Squidex.Data.Tests/EntityFramework/Infrastructure/Queries/EFQueryTests.cs

@@ -384,6 +384,17 @@ public abstract class EFQueryTests<TContext>(ISqlFixture<TContext> fixture)
         Assert.Equal([7], actual.Order().ToArray());
     }
 
+    [Fact]
+    public async Task Should_filter_by_number_equal_with_double()
+    {
+        var actual = await QueryAsync(new ClrQuery
+        {
+            Filter = ClrFilter.Eq("Number", 7.0),
+        });
+
+        Assert.Equal([7], actual.Order().ToArray());
+    }
+
     [Fact]
     public async Task Should_filter_by_number_not_equal()
     {