From 8ca2f3a0c5279d6ad0ec042d04a2310c2d286231 Mon Sep 17 00:00:00 2001
From: cirun <cirun@live.com>
Date: Thu, 10 Oct 2024 09:13:48 +0200
Subject: [PATCH] LLCAXCHZF-61/handles cases where CKAN type guessing is
 disabled

---
 ckanext/charts/fetchers.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ckanext/charts/fetchers.py b/ckanext/charts/fetchers.py
index d701b1f..64b0c73 100644
--- a/ckanext/charts/fetchers.py
+++ b/ckanext/charts/fetchers.py
@@ -79,8 +79,9 @@ def fetch_data(self) -> pd.DataFrame:
             df[non_datetime_cols] = df[non_datetime_cols].apply(pd.to_numeric, errors='ignore').fillna(0)
 
             if "date_time" in df.columns:
-                # Convert the 'date_time' column to string format in ISO 8601
-                df['date_time'] = df['date_time'].dt.strftime("%Y-%m-%dT%H:%M:%S")
+                # Ensure datetime type consistency and format to ISO 8601
+                # Handles cases where CKAN type guessing is disabled
+                df['date_time'] = pd.to_datetime(df['date_time']).dt.strftime("%Y-%m-%dT%H:%M:%S")
 
         except (ProgrammingError, UndefinedTable) as e:
             raise exception.DataFetchError(