Update app.py

app.py

@@ -4,6 +4,8 @@ import gradio as gr
 con = duckdb.connect(":memory:")
 
 def greet(SQL_Query):
+    if "limit" not in SQL_Query.lower():
+        raise gr.Error("You should use the LIMIT clause or it may take too much time to run your query. For example\n\n\tLIMIT 10000")
     return con.sql(SQL_Query).df()
 
 examples = [