Pandabot/vendor/amphp/postgres/examples/5-bytea.php

32 lines
976 B
PHP
Executable file

#!/usr/bin/env php
<?php declare(strict_types=1);
require dirname(__DIR__) . '/vendor/autoload.php';
use Amp\Postgres\PostgresByteA;
use Amp\Postgres\PostgresConfig;
use Amp\Postgres\PostgresConnectionPool;
$config = PostgresConfig::fromString('host=localhost user=postgres');
$pool = new PostgresConnectionPool($config);
$pool->query('DROP TABLE IF EXISTS test');
$transaction = $pool->beginTransaction();
$transaction->query('CREATE TABLE test (value BYTEA)');
$statement = $transaction->prepare('INSERT INTO test VALUES (?)');
$statement->execute([new PostgresByteA($a = random_bytes(10))]);
$statement->execute([new PostgresByteA($b = random_bytes(10))]);
$statement->execute([new PostgresByteA($c = random_bytes(10))]);
$result = $transaction->execute('SELECT * FROM test WHERE value = :value', ['value' => new PostgresByteA($a)]);
foreach ($result as $row) {
assert($row['value'] === $a);
var_dump(bin2hex($row['value']));
}
$transaction->rollback();