feat(Firestore): add sample for multiple inequality filters (GoogleCloudPlatform#2029)

Author: bshaffer

firestore/src/query_filter_range_invalid.php renamed to firestore/src/query_filter_compound_multi_ineq.php

@@ -1,6 +1,6 @@
 
 /**
- * Copyright 2018 Google Inc.
+ * Copyright 2024 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,25 +26,36 @@
 use Google\Cloud\Firestore\FirestoreClient;
 
 /**
- * An example of an invalid range query. @see https://cloud.google.com/firestore/docs/query-data/queries#compound_queries
+ * Example of a query with range and inequality filters on multiple fields.
+ * @see https://cloud.google.com/firestore/docs/query-data/multiple-range-fields
  *
  * @param string $projectId The Google Cloud Project ID
  */
-function query_filter_range_invalid(string $projectId): void
+function query_filter_compound_multi_ineq(string $projectId): void
 {
     // Create the Cloud Firestore client
     $db = new FirestoreClient([
         'projectId' => $projectId,
     ]);
-    $citiesRef = $db->collection('samples/php/cities');
-    # [START firestore_query_filter_range_invalid]
-    $invalidRangeQuery = $citiesRef
-        ->where('state', '>=', 'CA')
-        ->where('population', '>', 1000000);
-    # [END firestore_query_filter_range_invalid]
+    $collection = $db->collection('samples/php/users');
+    // Setup the data before querying for it
+    $collection->document('person1')->set(['age' => 23, 'height' => 65]);
+    $collection->document('person2')->set(['age' => 37, 'height' => 55]);
+    $collection->document('person3')->set(['age' => 40, 'height' => 75]);
+    $collection->document('person4')->set(['age' => 40, 'height' => 65]);
 
-    // This will throw an exception
-    $invalidRangeQuery->documents();
+    # [START firestore_query_filter_compound_multi_ineq]
+    $chainedQuery = $collection
+        ->where('age', '>', 35)
+        ->where('height', '>', 60)
+        ->where('height', '<', 70);
+    # [END firestore_query_filter_compound_multi_ineq]
+    foreach ($chainedQuery->documents() as $document) {
+        printf(
+            'Document %s returned by age > 35 and height between 60 and 70' . PHP_EOL,
+            $document->id()
+        );
+    }
 }
 
 // The following 2 lines are only needed to run the samples

firestore/src/query_order_field_invalid.php

@@ -17,7 +17,6 @@
 
 namespace Google\Cloud\Samples\Firestore;
 
-use Google\Cloud\Core\Exception\BadRequestException;
 use Google\Cloud\Core\Exception\FailedPreconditionException;
 use Google\Cloud\Firestore\FirestoreClient;
 use Google\Cloud\TestUtils\TestTrait;
@@ -275,6 +274,12 @@ public function testChainedQuery()
         $this->assertStringContainsString('Document SF returned by query state=CA and name=San Francisco', $output);
     }
 
+    public function testChainedInequalityQuery()
+    {
+        $output = $this->runFirestoreSnippet('query_filter_compound_multi_ineq');
+        $this->assertStringContainsString('Document person4 returned by age > 35 and height between 60 and 70', $output);
+    }
+
     /**
      * @depends testQueryCreateExamples
      */
@@ -298,18 +303,6 @@ public function testRangeQuery()
         $this->assertStringContainsString('Document SF returned by query CA<=state<=IN', $output);
     }
 
-    /**
-     * @depends testQueryCreateExamples
-     */
-    public function testInvalidRangeQuery()
-    {
-        $this->expectException(BadRequestException::class);
-        $this->expectExceptionMessage(
-            'Cannot have inequality filters on multiple properties'
-        );
-        $this->runFirestoreSnippet('query_filter_range_invalid');
-    }
-
     /**
      * @depends testQueryCreateExamples
      */
@@ -509,18 +502,6 @@ public function testRangeOrderByQuery()
         $this->assertStringContainsString('Document BJ returned by range with order by query', $output);
     }
 
-    /**
-     * @depends testRetrieveCreateExamples
-     */
-    public function testInvalidRangeOrderByQuery()
-    {
-        $this->expectException(BadRequestException::class);
-        $this->expectExceptionMessage(
-            'inequality filter property and first sort order must be the same'
-        );
-        $this->runFirestoreSnippet('query_order_field_invalid');
-    }
-
     public function testDocumentRef()
     {
         $output = $this->runFirestoreSnippet('data_reference_document');