Use iLike for case insensitive like queries

Author: codeliner

src/PostgresDocumentStore.php

@@ -713,7 +713,7 @@ private function filterToWhereClause(Filter $filter, $argsCount = 0): array
                 $propParts = explode('->', $prop);
                 $lastProp = array_pop($propParts);
                 $prop = implode('->', $propParts) . '->>'.$lastProp;
-                return ["$prop LIKE :a$argsCount", ["a$argsCount" => $filter->val()], ++$argsCount];
+                return ["$prop iLIKE :a$argsCount", ["a$argsCount" => $filter->val()], ++$argsCount];
             case DocumentStore\Filter\NotFilter::class:
                 /** @var DocumentStore\Filter\NotFilter $filter */
                 $innerFilter = $filter->innerFilter();

tests/PostgresDocumentStoreTest.php

@@ -19,6 +19,7 @@
 use EventEngine\DocumentStore\Filter\EqFilter;
 use EventEngine\DocumentStore\Filter\GtFilter;
 use EventEngine\DocumentStore\Filter\InArrayFilter;
+use EventEngine\DocumentStore\Filter\LikeFilter;
 use EventEngine\DocumentStore\Filter\LtFilter;
 use EventEngine\DocumentStore\Filter\NotFilter;
 use EventEngine\DocumentStore\Filter\OrFilter;
@@ -345,6 +346,34 @@ public function it_handles_not_any_of_id_filter()
         $this->assertEquals(['bat'], $vals);
     }
 
+    /**
+     * @test
+     */
+    public function it_handles_case_insensitive_like_filter()
+    {
+        $collectionName = 'test_case_insensitive_like_filter';
+        $this->documentStore->addCollection($collectionName);
+
+        $firstDocId = Uuid::uuid4()->toString();
+        $secondDocId = Uuid::uuid4()->toString();
+        $thirdDocId = Uuid::uuid4()->toString();
+
+        $this->documentStore->addDoc($collectionName, $firstDocId, ['foo' => 'some BaR val']);
+        $this->documentStore->addDoc($collectionName, $secondDocId, ['foo' => 'some bAt val']);
+        $this->documentStore->addDoc($collectionName, $thirdDocId, ['foo' => 'SOME baz VAL']);
+
+        $filteredDocs = \iterator_to_array($this->documentStore->filterDocs(
+            $collectionName,
+            new LikeFilter('foo', '%bat%')
+        ));
+
+        $vals = array_map(function (array $doc) {
+            return $doc['foo'];
+        }, $filteredDocs);
+
+        $this->assertEquals(['some bAt val'], $vals);
+    }
+
     /**
      * @test
      */