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 +1,103 @@
+<?php
+
+/**
+ * Shows how to query data with profilers
+ */
+
+require __DIR__ . '/../vendor/autoload.php';
+
+use InfluxDB2\Client;
+use InfluxDB2\Point;
+
+$org = 'my-org';
+$bucket = 'my-bucket';
+$token = 'my-token';
+
+//
+// Creating client
+//
+$client = new Client([
+    "url" => "http://localhost:8086",
+    "token" => $token,
+    "bucket" => $bucket,
+    "org" => $org,
+    "precision" => InfluxDB2\Model\WritePrecision::S
+]);
+
+//
+// Write test data into InfluxDB
+//
+$writeApi = $client->createWriteApi();
+$pointArray = [];
+
+$dateNow = new DateTime('NOW');
+for ($i = 1; $i <= 10; $i++) {
+    $point = Point::measurement("weather")
+        ->addTag("location", "New York")
+        ->addField("temperature", rand(10, 25))
+        ->time($dateNow->getTimestamp());
+    $pointArray[] = $point;
+    $dateNow->sub(new DateInterval('P1D'));
+}
+
+$writeApi->write($pointArray);
+$writeApi->close();
+
+//
+// Executes query with profilers and return result as an Array of FluxTables
+//
+$queryApi = $client->createQueryApi();
+$query = "import \"profiler\"
+          option profiler.enabledProfilers = [\"query\", \"operator\"]
+
+          from(bucket: \"my-bucket\")
+                |> range(start: 0)
+                |> filter(fn: (r) => r[\"_measurement\"] == \"weather\"
+                                 and r[\"_field\"] == \"temperature\"
+                                 and r[\"location\"] == \"New York\")";
+
+$result = $queryApi->query($query);
+
+printf("\n\n----------------------------- query result -------------------------------\n\n");
+foreach ($result as $table) {
+    foreach ($table->records as $record) {
+        $measurement = $record->getMeasurement();
+
+        // Get Query profiler
+        if (strpos($measurement, 'profiler/query') !== false) {
+            $totalDuration = $record["TotalDuration"];
+            $queueDuration = $record["QueueDuration"];
+            $compileDuration = $record["CompileDuration"];
+            $executeDuration = $record["ExecuteDuration"];
+
+            print"\n---------------------------- $measurement -----------------------------\n
+                   Total Duration:     $totalDuration
+                   Queue Duration:     $queueDuration
+                   Compile Duration:   $compileDuration
+                   Execute Duration:   $executeDuration\n";
+        }
+        // Get Operator profiler
+        elseif (strpos($measurement, 'profiler/operator') !== false) {
+            $minDuration = $record["MinDuration"];
+            $maxDuration = $record["MaxDuration"];
+            $durationSum = $record["DurationSum"];
+            $meanDuration = $record["MeanDuration"];
+
+            print"\n-------------------------- $measurement ----------------------------\n
+                   Min Duration:       $minDuration
+                   Max Duration:       $maxDuration
+                   Duration Sum:       $durationSum
+                   Mean Duration:      $meanDuration\n";
+        }
+        //Get query data
+        else {
+            $location = $record["location"];
+            $temperature = $record->getValue();
+            $time = $record->getTime();
+            $measurement = $record->getMeasurement();
+            print "\t$measurement in $location at $time - Temperature is $temperature °C\n";
+        }
+    }
+}
+
+$client->close();