<?php
declare(strict_types=1);
use function Flow\ETL\Adapter\Doctrine\{from_dbal_query, to_dbal_table_insert};
use function Flow\ETL\DSL\{data_frame, from_array, to_stream};
use Doctrine\DBAL\DriverManager;
use Doctrine\DBAL\Schema\{Column, Table, UniqueConstraint};
use Doctrine\DBAL\Types\{Type, Types};
require __DIR__ . '/../../../autoload.php';
require __DIR__ . '/generate_static_orders.php';
$connection = DriverManager::getConnection([
'path' => __DIR__ . '/output/orders.db',
'driver' => 'pdo_sqlite',
]);
$schemaManager = $connection->createSchemaManager();
if (!$schemaManager->tablesExist(['orders'])) {
$schemaManager->createTable(new Table(
$table = 'orders',
[
new Column('order_id', Type::getType(Types::GUID), ['notnull' => true]),
new Column('created_at', Type::getType(Types::DATETIME_IMMUTABLE), ['notnull' => true]),
new Column('updated_at', Type::getType(Types::DATETIME_IMMUTABLE), ['notnull' => false]),
new Column('discount', Type::getType(Types::FLOAT), ['notnull' => false]),
new Column('email', Type::getType(Types::STRING), ['notnull' => true, 'length' => 255]),
new Column('customer', Type::getType(Types::STRING), ['notnull' => true, 'length' => 255]),
new Column('address', Type::getType(Types::JSON), ['notnull' => true]),
new Column('notes', Type::getType(Types::JSON), ['notnull' => true]),
new Column('items', Type::getType(Types::JSON), ['notnull' => true]),
],
uniqueConstraints: [
new UniqueConstraint('orders_order_id', ['order_id']),
]
));
}
$orderIds = [
'c0a43894-0102-4a4e-9fcd-393ef9e4f16a',
'83fd51a4-9bd1-4b40-8f6e-6a7cc940bb5a',
'7c65db1a-410f-4e91-8aeb-66fb3f1665f7',
'5af1d56c-a9f7-411e-8738-865942d6c40f',
'3a3ae1a9-debd-425a-8f9d-63c3315bc483',
'27d8ee4d-94cc-47fa-bc14-209a4ab2eb45',
'cc4fd722-1407-4781-9ad4-fa53966060af',
'718360e1-c4c9-40f4-84e2-6f7898788883',
'ea7c731c-ce3b-40bb-bbf8-79f1c717b6ca',
'17b0d6c5-dd8f-4d5a-ae06-1df15b67c82c',
];
data_frame()
->read(from_array(generateStaticOrders($orderIds)))
->write(
to_dbal_table_insert(
DriverManager::getConnection([
'path' => __DIR__ . '/output/orders.db',
'driver' => 'pdo_sqlite',
]),
'orders',
[
'conflict_columns' => ['order_id'],
]
)
)
// second insert that normally would fail due to Integrity constraint violation
->write(
to_dbal_table_insert(
DriverManager::getConnection([
'path' => __DIR__ . '/output/orders.db',
'driver' => 'pdo_sqlite',
]),
'orders',
[
'conflict_columns' => ['order_id'],
]
)
)
->run();
data_frame()
->read(
from_dbal_query(
DriverManager::getConnection([
'path' => __DIR__ . '/output/orders.db',
'driver' => 'pdo_sqlite',
]),
'SELECT COUNT(*) as total_rows FROM orders'
)
)
->write(to_stream(__DIR__ . '/output.txt', truncate: false))
->run();
