diff --git a/tests/sandbox/configs/all-the-things.ts b/tests/sandbox/configs/all-the-things.ts
index 3c24ccaffbb..6ae9b9686f1 100644
--- a/tests/sandbox/configs/all-the-things.ts
+++ b/tests/sandbox/configs/all-the-things.ts
@@ -1,28 +1,30 @@
 import { list, graphql, config, group } from '@keystone-6/core'
 import { allowAll } from '@keystone-6/core/access'
 import {
+  bigInt,
+  calendarDay,
   checkbox,
+  decimal,
+  file,
+  float,
+  image,
+  integer,
+  json,
+  multiselect,
   password,
   relationship,
+  select,
   text,
   timestamp,
-  file,
   virtual,
-  select,
-  json,
-  integer,
-  image,
-  float,
-  bigInt,
-  calendarDay,
-  multiselect,
 } from '@keystone-6/core/fields'
 import { document, structure } from '@keystone-6/fields-document'
 import { componentBlocks } from '../component-blocks'
 import { schema as structureSchema } from '../structure'
 import { schema as structureNestedSchema } from '../structure-nested'
 import { schema as structureRelationshipsSchema } from '../structure-relationships'
-import { dbConfig, localStorageConfig, trackingFields } from '../utils'
+import { localStorageConfig, trackingFields } from '../utils'
+//  import { type Lists } from '.keystone/types' // TODO
 
 const description =
   'Some thing to describe to test the length of the text for width, blah blah blah blah blah blah blah blah blah'
@@ -152,6 +154,11 @@ export const lists = {
       }),
       json: json({ ui: { description } }),
       integer: integer({ ui: { description } }),
+      decimal: decimal({
+        precision: 32,
+        scale: 8,
+        ui: { description }
+      }),
       bigInt: bigInt({ isIndexed: 'unique', ui: { description } }),
       float: float({ ui: { description } }),
       image: image({ ui: { description }, storage: 'images' }),
@@ -222,7 +229,10 @@ export const lists = {
 }
 
 export default config({
-  db: dbConfig,
+  db: {
+    provider: 'postgresql',
+    url: process.env.DATABASE_URL ?? ''
+  },
   storage: localStorageConfig,
   lists,
 })
diff --git a/tests/sandbox/schema.graphql b/tests/sandbox/schema.graphql
index 94412dbd4c2..6bf41715e93 100644
--- a/tests/sandbox/schema.graphql
+++ b/tests/sandbox/schema.graphql
@@ -26,6 +26,7 @@ type Thing {
   multiselect: [String!]
   json: JSON
   integer: Int
+  decimal: Decimal
   bigInt: BigInt
   float: Float
   image: ImageFieldOutput
@@ -65,6 +66,8 @@ type PasswordState {
 
 scalar CalendarDay @specifiedBy(url: "https://datatracker.ietf.org/doc/html/rfc3339#section-5.6")
 
+scalar Decimal
+
 scalar BigInt
 
 type ImageFieldOutput {
@@ -138,6 +141,7 @@ input ThingWhereInput {
   selectOnSideItemViewOnly: StringNullableFilter
   selectSegmentedControl: StringNullableFilter
   integer: IntNullableFilter
+  decimal: DecimalNullableFilter
   bigInt: BigIntNullableFilter
   float: FloatNullableFilter
 }
@@ -164,9 +168,15 @@ input StringFilter {
   contains: String
   startsWith: String
   endsWith: String
+  mode: QueryMode
   not: NestedStringFilter
 }
 
+enum QueryMode {
+  default
+  insensitive
+}
+
 input NestedStringFilter {
   equals: String
   in: [String!]
@@ -229,6 +239,7 @@ input StringNullableFilter {
   contains: String
   startsWith: String
   endsWith: String
+  mode: QueryMode
   not: StringNullableFilter
 }
 
@@ -243,6 +254,17 @@ input IntNullableFilter {
   not: IntNullableFilter
 }
 
+input DecimalNullableFilter {
+  equals: Decimal
+  in: [Decimal!]
+  notIn: [Decimal!]
+  lt: Decimal
+  lte: Decimal
+  gt: Decimal
+  gte: Decimal
+  not: DecimalNullableFilter
+}
+
 input BigIntNullableFilter {
   equals: BigInt
   in: [BigInt!]
@@ -276,6 +298,7 @@ input ThingOrderByInput {
   selectOnSideItemViewOnly: OrderDirection
   selectSegmentedControl: OrderDirection
   integer: OrderDirection
+  decimal: OrderDirection
   bigInt: OrderDirection
   float: OrderDirection
 }
@@ -306,6 +329,7 @@ input ThingUpdateInput {
   multiselect: [String!]
   json: JSON
   integer: Int
+  decimal: Decimal
   bigInt: BigInt
   float: Float
   image: ImageFieldInput
@@ -389,6 +413,7 @@ input ThingCreateInput {
   multiselect: [String!]
   json: JSON
   integer: Int
+  decimal: Decimal
   bigInt: BigInt
   float: Float
   image: ImageFieldInput
@@ -732,11 +757,6 @@ enum KeystoneAdminUIFieldMetaItemViewFieldPosition {
   sidebar
 }
 
-enum QueryMode {
-  default
-  insensitive
-}
-
 type KeystoneAdminUIFieldGroupMeta {
   label: String!
   description: String
diff --git a/tests/sandbox/schema.prisma b/tests/sandbox/schema.prisma
index f0406ea1872..f58d7e80c27 100644
--- a/tests/sandbox/schema.prisma
+++ b/tests/sandbox/schema.prisma
@@ -1,24 +1,23 @@
 // This file is automatically generated by Keystone, do not modify it manually.
 // Modify your Keystone config when you want to change this.
 
-datasource sqlite {
+datasource postgresql {
   url               = env("DATABASE_URL")
   shadowDatabaseUrl = env("SHADOW_DATABASE_URL")
-  provider          = "sqlite"
+  provider          = "postgresql"
 }
 
 generator client {
   provider = "prisma-client-js"
-  output   = "node_modules/.testprisma/client"
 }
 
 model Thing {
   id                                String    @id @default(cuid())
   text                              String    @default("")
   timestamp                         DateTime?
-  structure                         String    @default("{\"integer\":0,\"array\":[]}")
-  structureNested                   String    @default("[]")
-  structureRelationships            String    @default("[]")
+  structure                         Json      @default("{\"integer\":0,\"array\":[]}")
+  structureNested                   Json      @default("[]")
+  structureRelationships            Json      @default("[]")
   checkbox                          Boolean   @default(false)
   password                          String?
   toOneRelationship                 User?     @relation("Thing_toOneRelationship", fields: [toOneRelationshipId], references: [id])
@@ -29,14 +28,15 @@ model Thing {
   toOneRelationshipCard             User?     @relation("Thing_toOneRelationshipCard", fields: [toOneRelationshipCardId], references: [id])
   toOneRelationshipCardId           String?   @map("toOneRelationshipCard")
   toManyRelationshipCard            Todo[]    @relation("Thing_toManyRelationshipCard")
-  calendarDay                       String?
+  calendarDay                       DateTime? @postgresql.Date
   select                            String?
   selectOnSide                      String?
   selectOnSideItemViewOnly          String?
   selectSegmentedControl            String?
-  multiselect                       String    @default("[]")
-  json                              String?
+  multiselect                       Json      @default("[]")
+  json                              Json?
   integer                           Int?
+  decimal                           Decimal?  @postgresql.Decimal(32, 8)
   bigInt                            BigInt?   @unique
   float                             Float?
   image_filesize                    Int?
@@ -46,7 +46,7 @@ model Thing {
   image_id                          String?
   file_filesize                     Int?
   file_filename                     String?
-  document                          String    @default("[{\"type\":\"paragraph\",\"children\":[{\"text\":\"\"}]}]")
+  document                          Json      @default("[{\"type\":\"paragraph\",\"children\":[{\"text\":\"\"}]}]")
 
   @@index([toOneRelationshipId])
   @@index([toOneRelationshipAlternateLabelId])