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examples: use == instead of = in pg/customer.v

This commit is contained in:
Alexander Medvednikov 2019-08-22 22:33:57 +03:00
parent abe61e28fe
commit 75b632baad

View File

@ -17,20 +17,20 @@ fn main() {
// V syntax can be used to build queries
println('------------------------------------------------------------------------')
bg_customers := db.select from Customer where country = 'Bulgaria' && id != 2
bg_customers := db.select from Customer where country == 'Bulgaria' && id != 2
for customer in bg_customers {
println('$customer.country | $customer.id - $customer.name')
}
println('------------------------------------------------------------------------')
ru_customers := db.select from Customer where country = 'Russia'
ru_customers := db.select from Customer where country == 'Russia'
for customer in ru_customers {
println('$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) }
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)
@ -38,7 +38,7 @@ fn main() {
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 }
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
}