v orm implementation with standard query

Makefile

@@ -86,6 +86,9 @@ btree-test: oldv
 sql-test: oldv
 	$(V) -stats $(BUILD_OPTIONS) vsql/sql_test.v
 
+orm-test: oldv
+	$(V) -stats $(BUILD_OPTIONS) vsql/orm_test.v
+
 # CLI Tests
 
 cli-test: bin/vsql

examples/orm.v

@@ -0,0 +1,61 @@
+import os
+import vsql
+import time
+
+// CHECK ./vsql/orm_test.v for more advanced usage
+
+fn main() {
+	os.rm('test.vsql') or {}
+
+	example() or { panic(err) }
+}
+
+// NOTE for some reason if we declare a @[primary] on a struct field, we can not do delete queries on the tables...
+// https://github.com/elliotchance/vsql/issues/200
+struct Product {
+	id           int //@[primary]
+	product_name string @[sql_type: 'varchar(100)']
+	price        f64
+}
+
+fn example() ! {
+	timer := time.new_stopwatch()
+	mut db := vsql.open('test.vsql')!
+
+	sql db {
+		create table Product
+	}!
+
+	products := [
+		Product{1, 'Ice Cream', 5.99},
+		Product{2, 'Ham Sandwhich', 3.47},
+		Product{3, 'Bagel', 1.25},
+	]
+
+	for product in products {
+		sql db {
+			insert product into Product
+		} or { panic(err) }
+	}
+	sql db {
+		update Product set product_name = 'Cereal' where id == 1
+	} or { panic(err) }
+
+	prod_one := sql db {
+		select from Product where id == 1
+	}!
+
+	assert prod_one.len == 1
+
+	sql db {
+		delete from Product where product_name == 'Cereal'
+	} or { panic(err) }
+
+	all := sql db {
+		select from Product
+	}!
+
+	assert all.len == 2
+
+	println(timer.elapsed())
+}