version 1.5

2024-01-11 14:04:25 +01:00
parent 0ee8291846
commit 4492763b78
756 changed files with 209957 additions and 2 deletions
@@ -0,0 +1,68 @@
+<?php
+/**
+ * Shows how to delete data from InfluxDB by client
+ */
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use InfluxDB2\Client;
+use InfluxDB2\Model\DeletePredicateRequest;
+use InfluxDB2\Point;
+use InfluxDB2\Service\DeleteService;
+
+$url = 'http://localhost:8086';
+$token = 'my-token';
+$org = 'my-org';
+$bucket = 'my-bucket';
+
+$client = new Client([
+    "url" => $url,
+    "token" => $token,
+    "bucket" => $bucket,
+    "org" => $org,
+    "precision" => InfluxDB2\Model\WritePrecision::S
+]);
+
+//
+// Write data into InfluxDB
+//
+$writeApi = $client->createWriteApi();
+$point1 = Point::measurement("mem")
+    ->addTag("host", "host1")
+    ->addField("used_percent", 24.43234543);
+$point2 = Point::measurement("mem")
+    ->addTag("host", "host2")
+    ->addField("used_percent", 54.43234543);
+$writeApi->write(array($point1, $point2));
+$writeApi->close();
+
+//
+// Delete data by tag value: 'host = host2'
+//
+/** @var DeleteService $service */
+$service = $client->createService(DeleteService::class);
+
+$predicate = new DeletePredicateRequest();
+$predicate->setStart(DateTime::createFromFormat('Y', '2020'));
+$predicate->setStop(new DateTime());
+$predicate->setPredicate("_measurement=\"mem\" AND host=\"host1\"");
+$service->postDelete($predicate, null, $org, $bucket);
+
+//
+// Query Data
+//
+$queryApi = $client->createQueryApi();
+$query = "from(bucket: \"{$bucket}\") |> range(start: -1h)";
+$tables = $queryApi->query($query);
+
+foreach ($tables as $table) {
+    foreach ($table->records as $record) {
+        $time = $record->getTime();
+        $measurement = $record->getMeasurement();
+        $value = $record->getValue();
+        $host = $record->values["host"];
+        print "$time $measurement is $value for host: $host\n";
+    }
+}
+
+$client->close();