show errors

app.py

@@ -7,6 +7,7 @@ app = Flask(__name__)
 @app.route('/txerrors')
 def table():
     maprows = dbtestcall.RunQuery()
+    print(maprows)
     return render_template('table.html', transactions=maprows)
 
 @app.route('/<name>')

dbtestcall.py

@@ -6,11 +6,14 @@ def RunQuery():
     con = pg8000.native.Connection('query_user', password='Udoz4nahbeethohb', host='localhost', port=5432, database='da11copy')
     result = con.run(
         """
-        SELECT
-            signature, RTRIM(NULLIF(errors, '')) as errors,
-            is_executed, is_confirmed,
-            cu_requested, prioritization_fees
-        FROM banking_stage_results.transaction_infos
+        SELECT * FROM (
+            SELECT
+                signature,  RTRIM(NULLIF(errors, '')) as errors,
+                is_executed, is_confirmed,
+                cu_requested, prioritization_fees
+            FROM banking_stage_results.transaction_infos
+        ) AS data
+        WHERE errors is not null
         """)
 
     maprows = []
@@ -18,6 +21,7 @@ def RunQuery():
         data = dict()
         data['signature'] = row[0]
         data['errors'] = row[1]
+        # data['errors_array'] = row[1].split(';')
         data['is_executed'] = row[2]
         data['is_confirmed'] = row[3]
         data['cu_requested'] = row[4]