From 3dd270bb4a593d89c4a62466d636bd0db241e612 Mon Sep 17 00:00:00 2001
From: Ethan Dalool <git@voussoir.net>
Date: Sun, 10 Jul 2022 15:19:01 -0700
Subject: [PATCH] Add method exists.

---
 voussoirkit/worms.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/voussoirkit/worms.py b/voussoirkit/worms.py
index aa152e5..ffb2330 100644
--- a/voussoirkit/worms.py
+++ b/voussoirkit/worms.py
@@ -197,6 +197,15 @@ class Database(metaclass=abc.ABCMeta):
             log.loud(line)
             cur.execute(line)
 
+    def exists(self, query, bindings=None) -> bool:
+        '''
+        query should be a SELECT query.
+
+        Returns True if at least one row was found, False if no rows found.
+        '''
+        row = self.select_one(query, bindings)
+        return (row is not None)
+
     def get_object_by_id(self, object_class, object_id):
         '''
         Select an object by its ID.