add warning log when executor_threads and executor are used

Author: Meir Elbaz

clickhouse_connect/driver/asyncclient.py

@@ -1,5 +1,6 @@
 import asyncio
 import io
+import logging
 import os
 from concurrent.futures.thread import ThreadPoolExecutor
 from datetime import tzinfo
@@ -14,6 +15,9 @@
 from clickhouse_connect.datatypes.base import ClickHouseType
 from clickhouse_connect.driver.insert import InsertContext
 
+logger = logging.getLogger(__name__)
+
+
 class DefaultThreadPoolExecutor:
     pass
 
@@ -43,6 +47,9 @@ def __init__(self,
             self.new_executor = True
             self.executor = ThreadPoolExecutor(max_workers=executor_threads)
         else:
+            if executor_threads != 0:
+                logger.warning('executor_threads parameter is ignored when passing an executor object')
+
             self.new_executor = False
             self.executor = executor