Update app.py

app.py

@@ -39,10 +39,20 @@ schema = [
     {"column_name": "countrycode", "column_type": "VARCHAR"}
 ]
 
+columns = [ "department_ind_agency", "cgac","sub_tier","fpds_code", "office","aac_code",
+           "posteddate", "type","basetype","popstreetaddress","popcity","popstate", 
+           "popzip", "popcountry", "active","awardnumber","awarddate","award", 
+           "awardee","state","city", "zipcode", "countrycode"
+]
+
 @lru_cache(maxsize=1)
 def get_schema():
     return schema
 
+@lru_cache(maxsize=1)
+def get_columns():
+    return columns
+
 COLUMN_TYPES = {col['column_name']: col['column_type'] for col in get_schema()}
 
 # =========================
@@ -125,6 +135,9 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
             with gr.Accordion("📄 Dataset Schema", open=False):
                 gr.JSON(get_schema(), label="Schema")
 
+            with gr.Accordion("📄 Dataset Columns", open=False):
+                gr.JSON(get_columns(), label="Columns")
+
         with gr.Column(scale=2):
             gr.Markdown("### 📊 Query Results")
             results_out = gr.DataFrame(label="", interactive=False, row_count=10)