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File: exercise/exampledb.php

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File: exercise/exampledb.php
Role: Example script
Content type: text/plain
Description: Example script
Class: Chaos Machine One
Generate random data that obeys to formulas
Author: By
Last change: 1.5
1.5
1.5
1.5
1.4
Date: 2 years ago
Size: 4,237 bytes
 

Contents

Class file image Download
<?php

use eftec\chaosmachineone\ChaosMachineOne;
use
eftec\PdoOne;

@
set_time_limit(200);

include
"../vendor/autoload.php";
include
"../lib/en_US/Person.php";
include
"../lib/en_US/Products.php";

$sqlCreateCustomers="CREATE TABLE `customers` (
  `idcustomer` INT NOT NULL AUTO_INCREMENT,
  `name` VARCHAR(45) NULL,
  `datecreation` TIMESTAMP NULL,
  PRIMARY KEY (`idcustomer`))"
;

$sqlCreateProducts="CREATE TABLE `products` (
  `idproduct` INT NOT NULL AUTO_INCREMENT,
  `name` VARCHAR(45) NULL,
  `price` DECIMAL(9,2) NULL,
  PRIMARY KEY (`idproduct`))"
;

$sqlCreateSales="CREATE TABLE `sales` (
  `idsales` INT NOT NULL AUTO_INCREMENT,
  `idproduct` INT NULL,
  `idcustomer` INT NULL,
  `date` TIMESTAMP NULL,
  `amount` INT NULL,
  PRIMARY KEY (`idsales`))"
;

$db=new PdoOne("mysql","localhost","root","abc.123","chaosdb");
$db->open();
$db->logLevel=3;
$customers=false;
$products=false;
$sales=true;
try {
   
$db->runRawQuery($sqlCreateCustomers);
   
$customers=true;
} catch(
Exception $ex) {
    echo
"Warning: unable to create table customers or table already exists<br>";
}
try {
   
$db->runRawQuery($sqlCreateProducts);
   
$products=true;
} catch(
Exception $ex) {
    echo
"Warning: unable to create table products or table already exists<br>";
}
try {
   
$db->runRawQuery($sqlCreateSales);
   
$sales=true;
} catch(
Exception $ex) {
    echo
"Warning: unable to create table sales or table already exists<br>";
}
if(
$customers) {
   
$chaos = new ChaosMachineOne();
   
$chaos->debugMode=true;
   
$chaos->table('customers', 1000)
        ->
setDb($db)
        ->
field('fixedid','int','local',5)
        ->
field('idcustomer', 'int','identity', 0, 0, 1000)
        ->
field('name', 'string', 'database', '', 0, 45)
            ->
retry()
        ->
field('datecreation', 'datetime', 'database', $chaos->now())
       
//->setArray('namemale', PersonContainer::$firstNameMale)
        //->setArray('lastname', PersonContainer::$lastName)
        //->setArrayFromDBTable('namemale','sakila.actor','first_name')
       
->setArrayFromDBQuery('namemale','select first_name from sakila.actor')
        ->
setArrayFromDBQuery('lastname','select last_name from sakila.actor where actor_id={{fixedid}}',[1])
       
//->setArrayFromDBQuery('lastname','select last_name from sakila.actor where actor_id>?',[1],['i',1])
       
->setArray('namefemale', PersonContainer::$firstNameFemale)
        ->
setFormat('fullnameformat', ['{{namemale}} {{lastname}}', '{{namefemale}} {{lastname}}'])
        ->
gen('when always set datecreation.speed=random(5000,86400)')
        ->
gen('when always set name.value=randomformat("fullnameformat")')
        ->
run(true)
       
//->insert(true)
       
->stat()
        ->
show(['name', 'datecreation']);
    die(
1);
}
if(
$products) {
   
$chaos = new ChaosMachineOne();
   
$chaos->table('products', count(Products::$softDrink))
        ->
setDb($db)
        ->
field('idproduct', 'int', 'identity', 0, 0, 1000)
        ->
field('name', 'string', 'database', '', 0, 45)
        ->
field('price', 'decimal', 'database', 2, 0, 100)
        ->
setArray('productname', Products::$softDrink)
        ->
gen('when always set price.value=random(0.5,20,0.1)')
        ->
gen('when always set name.value=arrayindex("productname")')
        ->
insert(true)
        ->
stat();
       
//->show(['name', 'price']);
    //->insert();
}
if(
$sales || 1==1 ) {
   
$countProducts=count(Products::$softDrink);
   
$chaos = new ChaosMachineOne();
   
$chaos->table('sales', 'products')
        ->
setDb($db)
        ->
field('idsales', 'int', 'identity', 0)
        ->
field('idproduct', 'int', 'database', 1)
        ->
field('idcustomer', 'int', 'database', 1)
        ->
field('amount', 'int', 'database', 1, 1, 100)->isNullable(true)
        ->
field('date', 'datetime', 'database', $chaos->now())
        ->
gen('when date.weekday>=1 and date.weekday<=5 then date.speed=random(5000,50000)') // workingdays are slow
       
->gen('when date.weekday>=6 then date.speed=random(3000,10000)') // the weekend sells more
       
->gen('when date.hour>18 then date.skip="day" and date.add="8h"') // if night then we jump to the next day (8am), i.e
       
->gen('when always then idproduct.value=random(1,$countProducts)
        and idcustomer.value=random(1,1000) and amount.value=random(1,10)'
)
        ->
gen('when always set amount.value=randomprop(null,amount,50,50)') // @see \eftec\chaosmachineone\ChaosMachineOne::randomprop
       
->showTable(['idproduct','idcustomer','amount','date','origin_name'])
        ->
run()
       
//->insert(true)
       
->stat();
}

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