Add northwind db.

generator/postgres/generator.go

@@ -51,6 +51,10 @@ func Generate(destDir string, genData DBConnection) error {
 
 	fmt.Println("	FOUND", len(schemaInfo.TableInfos), "table(s), ", len(schemaInfo.EnumInfos), "enum(s)")
 
+	if len(schemaInfo.TableInfos) == 0 && len(schemaInfo.EnumInfos) == 0 {
+		return nil
+	}
+
 	schemaGenPath := path.Join(destDir, genData.DBName, genData.SchemaName)
 	fmt.Println("Destination directory:", schemaGenPath)
 	fmt.Println("Cleaning up destination directory...")

tests/init/init.go

@@ -24,6 +24,7 @@ func main() {
 		"dvds",
 		"test_sample",
 		"chinook",
+		"northwind",
 	}
 
 	for _, schemaName := range schemaNames {
@@ -33,6 +34,8 @@ func main() {
 
 		_, err = db.Exec(string(testSampleSql))
 
+		panicOnError(err)
+
 		err = postgres.Generate("./.gentestdata", postgres.DBConnection{
 			Host:       dbconfig.Host,
 			Port:       "5432",

tests/northwind_test.go

@@ -0,0 +1,68 @@
+package tests
+
+import (
+	"fmt"
+	"github.com/go-jet/jet/tests/.gentestdata/jetdb/northwind/model"
+	. "github.com/go-jet/jet/tests/.gentestdata/jetdb/northwind/table"
+	"gotest.tools/assert"
+	"testing"
+)
+
+func TestNorthwindJoinEverything(t *testing.T) {
+
+	stmt := Customers.
+		LEFT_JOIN(CustomerCustomerDemo, Customers.CustomerID.EQ(CustomerCustomerDemo.CustomerID)).
+		LEFT_JOIN(CustomerDemographics, CustomerCustomerDemo.CustomerTypeID.EQ(CustomerDemographics.CustomerTypeID)).
+		LEFT_JOIN(Orders, Orders.CustomerID.EQ(Customers.CustomerID)).
+		LEFT_JOIN(Shippers, Orders.ShipVia.EQ(Shippers.ShipperID)).
+		LEFT_JOIN(OrderDetails, Orders.OrderID.EQ(OrderDetails.OrderID)).
+		LEFT_JOIN(Products, OrderDetails.ProductID.EQ(Products.ProductID)).
+		LEFT_JOIN(Categories, Products.CategoryID.EQ(Categories.CategoryID)).
+		LEFT_JOIN(Suppliers, Products.SupplierID.EQ(Suppliers.SupplierID)).
+		LEFT_JOIN(Employees, Orders.EmployeeID.EQ(Employees.EmployeeID)).
+		LEFT_JOIN(EmployeeTerritories, EmployeeTerritories.EmployeeID.EQ(Employees.EmployeeID)).
+		LEFT_JOIN(Territories, EmployeeTerritories.TerritoryID.EQ(Territories.TerritoryID)).
+		LEFT_JOIN(Region, Territories.RegionID.EQ(Region.RegionID)).
+		SELECT(
+			Customers.AllColumns,
+			CustomerDemographics.AllColumns,
+			Orders.AllColumns,
+			Shippers.AllColumns,
+			OrderDetails.AllColumns,
+			Products.AllColumns,
+			Categories.AllColumns,
+			Suppliers.AllColumns,
+		).
+		ORDER_BY(Customers.CustomerID, Orders.OrderID, Products.ProductID)
+
+	var dest []struct {
+		model.Customers
+
+		Demographics model.CustomerDemographics
+
+		Orders []struct {
+			model.Orders
+
+			Shipper model.Shippers
+
+			Details struct {
+				model.OrderDetails
+
+				Products []struct {
+					model.Products
+
+					Category model.Categories
+					Supplier model.Suppliers
+				}
+			}
+		}
+	}
+
+	err := stmt.Query(db, &dest)
+	assert.NilError(t, err)
+
+	fmt.Println(len(dest))
+
+	//jsonSave("./testdata/northwind-all.json", dest)
+	assertJsonFile(t, "./testdata/northwind-all.json", dest)
+}