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 +1,67 @@
+<?php
+/**
+ * Shows how to use parameterized queries
+ */
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use InfluxDB2\Client;
+use InfluxDB2\Model\Query;
+use InfluxDB2\Point;
+use InfluxDB2\WriteType as WriteType;
+
+$url = "https://us-west-2-1.aws.cloud2.influxdata.com";
+$organization = 'my-org';
+$bucket = 'my-bucket';
+$token = 'my-token';
+
+$client = new Client([
+    "url" => $url,
+    "token" => $token,
+    "bucket" => $bucket,
+    "org" => $organization,
+    "precision" => InfluxDB2\Model\WritePrecision::NS,
+    "debug" => false
+]);
+
+$writeApi = $client->createWriteApi(["writeType" => WriteType::SYNCHRONOUS]);
+$queryApi = $client->createQueryApi();
+
+$today = new DateTime("now");
+$yesterday = $today->sub(new DateInterval("P1D"));
+
+$p = new Point("temperature");
+$p->addTag("location", "north")->addField("value", 60)->time($yesterday);
+$writeApi->write($p);
+$writeApi->close();
+
+//
+// Query range start parameter using duration
+//
+$parameterizedQuery = "from(bucket: params.bucketParam) |> range(start: duration(v: params.startParam))";
+$query = new Query();
+$query->setQuery($parameterizedQuery);
+$query->setParams(["bucketParam" => "my-bucket", "startParam" => "-1d"]);
+$tables = $queryApi->query($query);
+
+foreach ($tables as $table) {
+    foreach ($table->records as $record) {
+        var_export($record->values);
+    }
+}
+
+//
+// Query range start parameter using DateTime
+//
+$parameterizedQuery = "from(bucket: params.bucketParam) |> range(start: time(v: params.startParam))";
+$query->setParams(["bucketParam" => "my-bucket", "startParam" => $yesterday]);
+$query->setQuery($parameterizedQuery);
+$tables = $queryApi->query($query);
+
+foreach ($tables as $table) {
+    foreach ($table->records as $record) {
+        var_export($record->values);
+    }
+}
+
+$client->close();