Merge pull request #303 from vertica/update_ui_add_table_dc_file_reads

Update qprof-ui.ipynb - Added a new tab for dc_dile_reads

Author: mail4umar

project/ui/qprof-ui.ipynb

@@ -420,46 +420,71 @@
     "\n",
     "def on_button_clicked_other_info(b):\n",
     "    button_other_info.disabled = True\n",
-    "    table_1.clear_output(wait=True)\n",
-    "    table_2.clear_output(wait=True)\n",
+    "    table_slow_events.clear_output(wait=True)\n",
+    "    table_optimizer_events.clear_output(wait=True)\n",
+    "    table_file_reads.clear_output(wait=True)\n",
+    "    \n",
     "    try:\n",
     "        transaction_statement_list = qprof.transactions\n",
     "        logging.info(f'[Query Profile Tree Page] The list of transaction and statement ids are: {transaction_statement_list}')\n",
-    "        # Construct the WHERE clause dynamically\n",
     "        where_clause = \" OR \".join([f\"(transaction_id = {elem[0]} AND statement_id = {elem[1]})\" for elem in transaction_statement_list])\n",
-    "        \n",
-    "        # Construct the query\n",
+    "    except Exception as e:\n",
+    "        with table_slow_events:\n",
+    "            display(widgets.HTML(f\"<p style='color:red'>The following error occurred while preparing the WHERE clause: </p> <p> {e}</p>\"))\n",
+    "        button_other_info.disabled = False\n",
+    "        return\n",
+    "\n",
+    "    try:\n",
     "        query = f\"\"\"\n",
     "        SELECT transaction_id, statement_id, node_name, event_description, time, duration_us/1000000 AS duration_sec\n",
     "        FROM dc_slow_events\n",
     "        WHERE {where_clause}\n",
     "        ORDER BY duration_sec DESC\n",
     "        LIMIT 500;\n",
     "        \"\"\"\n",
-    "        query_2 = f\"\"\"\n",
+    "        logging.info(f'[Query Profile Tree Page] Trying to get the DC SLOW EVENTS table')\n",
+    "        res_slow_events = vp.vDataFrame(f\"\"\"{query}\"\"\")\n",
+    "        with table_slow_events:\n",
+    "            res_slow_events.idisplay()\n",
+    "    except Exception as e:\n",
+    "        with table_slow_events:\n",
+    "            display(widgets.HTML(f\"<p style='color:red'>The following error occurred while loading DC SLOW EVENTS: </p> <p> {e}</p>\"))\n",
+    "\n",
+    "    try:\n",
+    "        query = f\"\"\"\n",
     "        SELECT *\n",
     "        FROM dc_optimizer_events\n",
     "        WHERE {where_clause};\n",
     "        \"\"\"\n",
-    "        logging.info(f'[Query Profile Tree Page] Trying to get the DC SLOW EVENTS table')\n",
-    "        res_1 = vp.vDataFrame(f\"\"\"{query}\"\"\")\n",
-    "        res_2 = vp.vDataFrame(f\"\"\"{query_2}\"\"\")\n",
-    "        with table_1:\n",
-    "            res_1.idisplay()\n",
-    "        with table_2:\n",
-    "            res_2.idisplay()\n",
+    "        res_optimizer_events = vp.vDataFrame(f\"\"\"{query}\"\"\")\n",
+    "        with table_optimizer_events:\n",
+    "            res_optimizer_events.idisplay()\n",
+    "    except Exception as e:\n",
+    "        with table_optimizer_events:\n",
+    "            display(widgets.HTML(f\"<p style='color:red'>The following error occurred while loading DC OPTIMIZER EVENTS: </p> <p> {e}</p>\"))\n",
+    "\n",
+    "    try:\n",
+    "        query = f\"\"\"\n",
+    "        SELECT *\n",
+    "        FROM dc_file_reads\n",
+    "        WHERE {where_clause};\n",
+    "        \"\"\"\n",
+    "        res_file_reads = vp.vDataFrame(f\"\"\"{query}\"\"\")\n",
+    "        with table_file_reads:\n",
+    "            res_file_reads.idisplay()\n",
     "    except Exception as e:\n",
-    "        with table_1:\n",
-    "            display(widgets.HTML(f\"<p style='color:red'>The following error occured: </p> <p> {e}</p>\"))\n",
-    "        with table_2:\n",
-    "            display(widgets.HTML(f\"<p style='color:red'>The following error occured: </p> <p> {e}</p>\"))\n",
+    "        with table_file_reads:\n",
+    "            display(widgets.HTML(f\"<p style='color:red'>The following error occurred while loading DC FILE READS: </p> <p> {e}</p>\"))\n",
+    "\n",
     "    button_other_info.disabled = False\n",
+    "\n",
     "        \n",
-    "table_1 = widgets.Output()\n",
-    "table_2 = widgets.Output()\n",
+    "table_slow_events = widgets.Output()\n",
+    "table_optimizer_events = widgets.Output()\n",
+    "table_file_reads = widgets.Output()\n",
     "tables = widgets.Tab()\n",
-    "tables.children = [table_1, table_2]\n",
-    "tables.titles = [\"Slow Events\", \"Optimizer Events\"]\n",
+    "tables.children = [table_slow_events, table_optimizer_events, table_file_reads]\n",
+    "tables.titles = [\"Slow Events\", \"Optimizer Events\", \"File Reads\"]\n",
     "other_info = widgets.VBox([button_other_info, tables])\n",
     "\n",
     "button_other_info.on_click(on_button_clicked_other_info)\n",