$db->enableHttpCompression(true);
$db->write("DROP TABLE IF EXISTS summing_url_views");
$db->write('
CREATE TABLE IF NOT EXISTS summing_url_views (
event_date Date DEFAULT toDate(event_time),
event_time DateTime,
url_hash String,
site_id Int32,
views Int32,
v_00 Int32,
v_55 Int32
)
ENGINE = SummingMergeTree(event_date, (site_id, url_hash, event_time, event_date), 8192)
');
echo "Table EXISTS: " . json_encode($db->showTables()) . "\n";
echo $db->showCreateTable('summing_url_views');
exit;
// -------------------------------- CREATE csv file ----------------------------------------------------------------
$file_data_names = ['/tmp/clickHouseDB_test.1.data', '/tmp/clickHouseDB_test.2.data'];
foreach ($file_data_names as $file_name) {
makeSomeDataFile($file_name, 2);
}
// ----------------------------------------------------------------------------------------------------
echo "insert ALL file async:\n";
$time_start = microtime(true);
$result_insert = $db->insertBatchFiles('summing_url_views', $file_data_names, ['event_time', 'url_hash', 'site_id', 'views', 'v_00', 'v_55']);
echo "use time:" . round(microtime(true) - $time_start, 2) . "\n";
print_r($db->select('select sum(views) from summing_url_views')->rows());
// ------------------------------------------------------------------------------------------------
$WriteToFile = new ClickHouseDB\WriteToFile('/tmp/_1_select.csv');
$statement = $db->select('select * from summing_url_views', [], null, $WriteToFile);
