vorelang programming language
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/*
module main
import pg
struct Customer {
id int
name string
nr_orders int
country string
}
fn main() {
db := pg.connect(pg.Config{host: '127.0.0.1' user: 'myuser' dbname: 'mydb'})
nr_customers := db.select count from Customer
println('Total customers: $nr_customers')
// V syntax can be used to build queries
println('------------------------------------------------------------------------')
bg_customers := db.select from Customer where country == 'Bulgaria' && id != 2
for customer in bg_customers {
println('$customer.country | $customer.id - $customer.name')
}
println('------------------------------------------------------------------------')
ru_customers := db.select from Customer where country == 'Russia'
for customer in ru_customers {
println('$customer.country | $customer.id - $customer.name')
}
// by adding `limit 1` we tell V that there will be only one object
println('------------------------------------------------------------------------')
existing := db.select from Customer where id == 1 limit 1 or { panic(err) }
println('Existing customer name: $existing.name')
println('Existing customer full information:')
println(existing)
println('------------------------------------------------------------------------')
q := Customer{}
for {
anon := db.select from Customer where id == 12345 && name == q.name && nr_orders > q.nr_orders limit 1 or { eprintln('No such customer. Error: $err') break }
println('Non existing customer name: $anon.name')
break
}
// TODO: insert a new customer
/*
nc := Customer{
name: 'John Doe'
nr_orders: 10
}
db.insert(nc)
*/
}
*/