Add byContains and byJsonPath throughout

- Change to JSON Path function to work around PDO syntax quirk

tests/integration/sqlite/RemoveFieldsTest.php

@@ -2,7 +2,7 @@
 
 namespace Test\Integration\SQLite;
 
-use BitBadger\PDODocument\{Field, Find, RemoveFields};
+use BitBadger\PDODocument\{DocumentException, Field, Find, RemoveFields};
 use PHPUnit\Framework\Attributes\TestDox;
 use PHPUnit\Framework\TestCase;
 use Test\Integration\TestDocument;
@@ -71,4 +71,17 @@ class RemoveFieldsTest extends TestCase
         RemoveFields::byFields(ThrowawayDb::TABLE, [Field::NE('missing', 'nope')], ['value']);
         $this->assertTrue(true, 'The above not throwing an exception is the test');
     }
+
+    public function testByContainsFails(): void
+    {
+        $this->expectException(DocumentException::class);
+        RemoveFields::byContains('', [], []);
+    }
+
+    #[TestDox('By JSON Path fails')]
+    public function testByJsonPathFails(): void
+    {
+        $this->expectException(DocumentException::class);
+        RemoveFields::byJsonPath('', '', []);
+    }
 }