Issue #3355410 by kim.pepper: Unknown key for a VALUE_NULL in [size]

src/SearchAPI/Query/QueryParamBuilder.php

@@ -137,8 +137,8 @@ class QueryParamBuilder {
     $body = [];
 
     // Set the size and from parameters.
-    $body['from'] = $query->getOption('offset', self::DEFAULT_OFFSET);
-    $body['size'] = $query->getOption('limit', self::DEFAULT_LIMIT);
+    $body['from'] = $query->getOption('offset') ?? self::DEFAULT_OFFSET;
+    $body['size'] = $query->getOption('limit') ?? self::DEFAULT_LIMIT;
 
     // Sort.
     $sort = $this->sortBuilder->getSortSearchQuery($query);

tests/src/Unit/SearchAPI/Query/QueryParamBuilderTest.php

@@ -65,9 +65,9 @@ class QueryParamBuilderTest extends UnitTestCase {
       ->willReturn($fields);
 
     $query = $this->prophesize(QueryInterface::class);
-    $query->getOption('offset', Argument::any())
+    $query->getOption('offset')
       ->willReturn(0);
-    $query->getOption('limit', Argument::any())
+    $query->getOption('limit')
       ->willReturn(10);
     $query->getOption('opensearch_exclude_source_fields', Argument::any())
       ->willReturn([]);