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August 13, 2018 06:37
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testing mysql
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| <?php | |
| require __DIR__ . '/vendor/autoload.php'; | |
| $dsn = 'mysql:dbname=db1;host=127.0.0.1'; | |
| $user = 'root'; | |
| $password = '(disensor)'; | |
| try { | |
| $dbh = new PDO($dsn, $user, $password); | |
| $dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); | |
| } catch (PDOException $e) { | |
| echo 'Connection failed: ' . $e->getMessage(); | |
| } | |
| $sth = $dbh->prepare('INSERT INTO category(category_name, category_description, category_enabled) VALUES(:category_name, :category_description, :category_enabled)'); | |
| $faker = Faker\Factory::create(); | |
| $faker->seed(time()); | |
| for ($i = 1; $i <= 1000000; $i++) { | |
| $sth->bindValue('category_name', $faker->words(4, true) . " $i"); | |
| $sth->bindValue('category_description', $faker->text() . " $i"); | |
| $sth->bindValue('category_enabled', mt_rand(0, 1)); | |
| $sth->execute(); | |
| } |
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| <?php | |
| require __DIR__ . '/vendor/autoload.php'; | |
| $dsn = 'mysql:dbname=db1;host=127.0.0.1'; | |
| $user = 'root'; | |
| $password = '(disensor)'; | |
| try { | |
| $dbh = new PDO($dsn, $user, $password); | |
| $dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); | |
| } catch (PDOException $e) { | |
| echo 'Connection failed: ' . $e->getMessage(); | |
| } | |
| $sth = $dbh->prepare('INSERT INTO product(product_name, product_description, product_enabled, product_category, product_price) VALUES(:product_name, :product_description, :product_enabled, :product_category, :product_price)'); | |
| $faker = Faker\Factory::create(); | |
| $faker->seed(time()); | |
| for ($i = 1; $i <= 50000000; $i++) { | |
| $sth->bindValue('product_name', $faker->words(8, true) . " $i"); | |
| $sth->bindValue('product_description', $faker->text(600) . " $i"); | |
| $sth->bindValue('product_enabled', mt_rand(0, 1)); | |
| $sth->bindValue('product_category', mt_rand(40, 1000000)); | |
| $sth->bindValue('product_price', mt_rand(50000, 500000)); | |
| $sth->execute(); | |
| if ($i % 100000 == 0) { | |
| echo "$i\n"; | |
| } | |
| } |
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| <?php | |
| $dsn = 'mysql:dbname=db1;host=127.0.0.1'; | |
| $user = 'root'; | |
| $password = '(disensor)'; | |
| try { | |
| $dbh = new PDO($dsn, $user, $password); | |
| $dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); | |
| } catch (PDOException $e) { | |
| echo 'Connection failed: ' . $e->getMessage(); | |
| } | |
| $afterId = (int)$_GET['after_id']; | |
| $products = []; | |
| $sql = "SELECT p.*, c.category_name from product p JOIN category c on p.product_category = c.category_id WHERE product_id > $afterId ORDER BY product_id ASC LIMIT 10"; | |
| $start = microtime(true); | |
| foreach($dbh->query($sql, PDO::FETCH_ASSOC) as $product) { | |
| $products[] = $product; | |
| } | |
| $time_elapsed_secs = microtime(true) - $start; | |
| foreach ($dbh->query('show table status where name = \'product\'') as $status) { | |
| break; | |
| } | |
| $productCount = $status['Rows']; | |
| $explains = []; | |
| foreach($dbh->query('EXPLAIN ' . $sql, PDO::FETCH_ASSOC) as $explain) { | |
| $explains[] = $explain; | |
| } | |
| ?> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| </head> | |
| <body> | |
| processing time: <?= $time_elapsed_secs ?> second.<br /><br /> | |
| <h2>Products</h2> | |
| <table width="100%"> | |
| <thead> | |
| <tr> | |
| <th>product_id</th> | |
| <th>product_name</th> | |
| <th>product_category</th> | |
| <th>category_name (join)</th> | |
| <th>product_description</th> | |
| <th>product_enabled</th> | |
| <th>product_price</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| <?php foreach ($products as $product): ?> | |
| <tr> | |
| <td><?= htmlspecialchars($product['product_id']) ?></td> | |
| <td><?= htmlspecialchars($product['product_name']) ?></td> | |
| <td><?= htmlspecialchars($product['product_category']) ?></td> | |
| <td><?= htmlspecialchars($product['category_name']) ?></td> | |
| <td><?= substr(htmlspecialchars($product['product_description']), 0, 50) . ' ...' ?></td> | |
| <td><?= htmlspecialchars($product['product_enabled']) ?></td> | |
| <td><?= htmlspecialchars($product['product_price']) ?></td> | |
| </tr> | |
| <?php endforeach; ?> | |
| </tbody> | |
| </table> | |
| <br /> | |
| <a href="/">First Page</a> | <a href="?after_id=<?= $product['product_id'] ?>">Next</a> <span>Total rows (estimated) : <?= $productCount ?></span> | |
| <br /><br /> | |
| <div style=""> | |
| <strong>Query executed:</strong><br /> | |
| <pre> | |
| <?= htmlspecialchars($sql) ?> | |
| </pre> | |
| <strong>Explain:</strong><br /> | |
| <table width="100%"> | |
| <thead> | |
| <?php foreach (array_keys($explains[0]) as $explainKey): ?> | |
| <th><?= htmlspecialchars($explainKey) ?></th> | |
| <?php endforeach; ?> | |
| </thead> | |
| <tbody> | |
| <?php foreach ($explains as $explain): ?> | |
| <tr> | |
| <?php foreach ($explain as $value): ?> | |
| <td><?= htmlspecialchars($value) ?></td> | |
| <?php endforeach; ?> | |
| </tr> | |
| <?php endforeach; ?> | |
| </tbody> | |
| </table> | |
| </div> | |
| </body> | |
| </html> |
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