examples: V orm still fast? (#15330)

examples/js_dom_draw_bechmark_chart/main.v

@@ -0,0 +1,217 @@
+module main
+
+import vweb
+import os
+import sqlite
+// import pg
+// import mysql
+import time
+import arrays
+
+[table: 'benchmark']
+struct Task {
+mut:
+	id     u32    [primary; serial; sql: serial]
+	title  string
+	status string
+}
+
+const (
+	http_port             = 3001
+	benchmark_loop_length = 10
+)
+
+struct App {
+	vweb.Context
+}
+
+enum SqliteDbConnection {
+	sqlite_memory
+	sqlite_file
+}
+
+fn main() {
+	vweb.run(new_app(), http_port)
+}
+
+pub fn (mut app App) before_request() {
+	os.execute_or_panic('v -b js_browser draw.js.v ')
+}
+
+fn new_app() &App {
+	mut app := &App{}
+	app.serve_static('/favicon.ico', 'favicon.ico')
+	app.serve_static('/draw.js', 'draw.js')
+	app.mount_static_folder_at(os.resource_abs_path('.'), '/')
+	return app
+}
+
+['/'; get]
+pub fn (mut app App) controller_get_all_task() vweb.Result {
+	// attribute_names := ['sqlite_memory_insert_times', 'sqlite_file_insert_times',
+	// 	'postgres_insert_times', 'mysql_insert_times']
+	attribute_names := ['sqlite_memory_insert_times', 'sqlite_file_insert_times']
+	chart_colors := ['gray', 'black', 'red', 'orange', 'purple']
+	mut insert_times := [][]int{}
+
+	mut max_times := []int{}
+	mut ten_perc_max_times := []int{}
+	mut min_times := []int{}
+	mut ten_perc_min_times := []int{}
+
+	mut max_fast := []int{}
+	mut ten_perc_max_fast := []int{}
+	mut min_fast := []int{}
+	mut ten_perc_min_fast := []int{}
+
+	insert_times << factory_sqlite_memory_insert_benchmark(.sqlite_memory)
+	insert_times << factory_sqlite_memory_insert_benchmark(.sqlite_file)
+	// insert_times << factory_postgres_insert_benchmark()
+	// insert_times << factory_mysql_insert_benchmark()
+
+	sqlite_memory_insert_times := insert_times[0].str().replace(' ', '')
+	sqlite_file_insert_times := insert_times[1].str().replace(' ', '')
+	// postgres_insert_times := insert_times[2].str().replace(' ', '')
+	// mysql_insert_times := insert_times[3].str().replace(' ', '')
+
+	for i := 0; i < attribute_names.len; i++ {
+		println('insert_times[i]: ${insert_times[i]}')
+		ten_perc := int(insert_times[i].len / 10)
+
+		mut min_ten_array := insert_times[i].clone()
+		min_ten_array.sort()
+		min_ten_array.trim(ten_perc)
+
+		mut max_ten_array := insert_times[i].clone()
+		max_ten_array.sort(a > b)
+		max_ten_array.trim(ten_perc)
+
+		max_times << arrays.max(insert_times[i]) or { 0 }
+		ten_perc_max_times << arrays.sum(max_ten_array) or { 0 } / ten_perc
+		min_times << arrays.min(insert_times[i]) or { 0 }
+		ten_perc_min_times << arrays.sum(min_ten_array) or { 0 } / ten_perc
+	}
+
+	for i := 0; i < attribute_names.len; i++ {
+		max_fast << int(100 - (f64(max_times[i] * 100) / f64(arrays.max(max_times) or {
+			panic('deu ruim no max_fas')
+		})))
+		ten_perc_max_fast << int(100 - (f64(ten_perc_max_times[i] * 100) / f64(arrays.max(ten_perc_max_times) or {
+			panic('deu ruim no max_fas')
+		})))
+		min_fast << int(100 - (f64(min_times[i] * 100) / f64(arrays.max(min_times) or {
+			panic('deu ruim no max_fas')
+		})))
+		ten_perc_min_fast << int(100 - (f64(ten_perc_min_times[i] * 100) / f64(arrays.max(ten_perc_min_times) or {
+			panic('deu ruim no max_fas')
+		})))
+	}
+
+	return $vweb.html()
+}
+
+fn factory_sqlite_memory_insert_benchmark(db_connection SqliteDbConnection) []int {
+	mut result := []int{}
+	mut sw := time.new_stopwatch()
+	mut db := sqlite.connect(':memory:') or { panic(err) }
+
+	if db_connection == .sqlite_file {
+		db.close() or { println('text: $err') }
+		db = sqlite.connect('salada.db') or { panic(err) }
+	}
+
+	sql db {
+		create table Task
+	}
+
+	task_model := Task{
+		title: 'a'
+		status: 'done'
+	}
+
+	for i := 0; i < benchmark_loop_length; i++ {
+		sw.start()
+		sql db {
+			insert task_model into Task
+		}
+		sw.stop()
+		result << int(sw.end - sw.start)
+	}
+
+	sql db {
+		drop table Task
+	}
+	return result
+}
+
+// fn factory_postgres_insert_benchmark() []int {
+// 	mut result := []int{}
+// 	mut sw := time.new_stopwatch()
+
+// 	mut db := pg.connect(pg.Config{
+// 		host: '127.0.0.1'
+// 		port: 5432
+// 		user: 'hitalo'
+// 		password: 'password'
+// 		dbname: 'username'
+// 	}) or { panic(err) }
+// 	sql db {
+// 		create table Task
+// 	}
+
+// 	task_model := Task{
+// 		title: 'a'
+// 		status: 'done'
+// 	}
+
+// 	for i := 0; i < benchmark_loop_length; i++ {
+// 		sw.start()
+// 		sql db {
+// 			insert task_model into Task
+// 		}
+// 		sw.stop()
+// 		result << int(sw.end - sw.start)
+// 	}
+
+// 	sql db {
+// 		drop table Task
+// 	}
+// 	return result
+// }
+
+// fn factory_mysql_insert_benchmark() []int {
+// 	mut result := []int{}
+// 	mut sw := time.new_stopwatch()
+
+// 	mut db := mysql.Connection{
+// 		host: '127.0.0.1'
+// 		port: 3306
+// 		username: 'username'
+// 		password: 'password'
+// 		dbname: 'benchmark'
+// 	}
+// 	db.connect() or { println(err) }
+
+// 	sql db {
+// 		create table Task
+// 	}
+
+// 	task_model := Task{
+// 		title: 'a'
+// 		status: 'done'
+// 	}
+
+// 	for i := 0; i < benchmark_loop_length; i++ {
+// 		sw.start()
+// 		sql db {
+// 			insert task_model into Task
+// 		}
+// 		sw.stop()
+// 		result << int(sw.end - sw.start)
+// 	}
+
+// 	sql db {
+// 		drop table Task
+// 	}
+// 	return result
+// }