diff --git a/packages/server/scripts/integrations/postgres/init.sql b/packages/server/scripts/integrations/postgres/init.sql
index 8d76f54a10..de8faa437a 100644
--- a/packages/server/scripts/integrations/postgres/init.sql
+++ b/packages/server/scripts/integrations/postgres/init.sql
@@ -15,3 +15,26 @@ CREATE TABLE Tasks (
         FOREIGN KEY(PersonID)
 	    REFERENCES Persons(PersonID)
 );
+CREATE TABLE Products (
+    ProductID INT NOT NULL PRIMARY KEY,
+    ProductName varchar(255)
+);
+CREATE TABLE Products_Tasks (
+    ProductID INT NOT NULL,
+    TaskID INT NOT NULL,
+    CONSTRAINT fkProducts
+        FOREIGN KEY(ProductID)
+	    REFERENCES Products(ProductID),
+    CONSTRAINT fkTasks
+        FOREIGN KEY(TaskID)
+	    REFERENCES Tasks(TaskID),
+    PRIMARY KEY (ProductID, TaskID)
+);
+INSERT INTO Persons (PersonID, FirstName, LastName, Address, City) VALUES (1, 'Mike', 'Hughes', '123 Fake Street', 'Belfast');
+INSERT INTO Tasks (TaskID, PersonID, TaskName) VALUES (1, 1, 'assembling');
+INSERT INTO Products (ProductID, ProductName) VALUES (1, 'Computers');
+INSERT INTO Products (ProductID, ProductName) VALUES (2, 'Laptops');
+INSERT INTO Products (ProductID, ProductName) VALUES (3, 'Chairs');
+INSERT INTO Products_Tasks (ProductID, TaskID) VALUES (1, 1);
+INSERT INTO Products_Tasks (ProductID, TaskID) VALUES (2, 1);
+INSERT INTO Products_Tasks (ProductID, TaskID) VALUES (3, 1);
diff --git a/packages/server/scripts/integrations/postgres/reset.sh b/packages/server/scripts/integrations/postgres/reset.sh
new file mode 100755
index 0000000000..32778bd11f
--- /dev/null
+++ b/packages/server/scripts/integrations/postgres/reset.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+docker-compose down
+docker volume prune -f
diff --git a/packages/server/src/definitions/datasource.ts b/packages/server/src/definitions/datasource.ts
index e8a5bfe10a..733ad679cb 100644
--- a/packages/server/src/definitions/datasource.ts
+++ b/packages/server/src/definitions/datasource.ts
@@ -75,11 +75,7 @@ export interface SearchFilters {
 }
 
 export interface RelationshipsJson {
-  through?: {
-    from: string
-    to: string
-    tableName: string
-  }
+  through?: string
   from: string
   to: string
   tableName: string