1 files changed, 8 insertions, 0 deletions
diff --git a/tests/helpers.py b/tests/helpers.py
index ad50483..2d200f6 100644
--- a/tests/helpers.py
+++ b/tests/helpers.py
@@ -45,6 +45,14 @@ def load_sql_fixture_pairs(filename):
                 yield meta, sql, expected
 
 
+def string_to_bool(string):
+    if string is None:
+        return False
+    if string in (True, False):
+        return string
+    return string and string.lower() in ("true", "1")
+
+
 TPCH_SCHEMA = {
     "lineitem": {
         "l_orderkey": "uint64",