TSML: Fix CrateDB write sync with timeseries-anomaly-detection.ipynb

This may mitigate the error `ValueError: Found array with 0 sample(s)`.
crate · Apr 18, 2024 · 394f3dc · 394f3dc
1 parent 3df542b
commit 394f3dc
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/topic/timeseries/timeseries-anomaly-detection.ipynb b/topic/timeseries/timeseries-anomaly-detection.ipynb
@@ -110,11 +110,14 @@
     "\n",
     "engine = sa.create_engine(CONNECTION_STRING, echo=os.environ.get('DEBUG'))\n",
     "\n",
-    "query_create_table = 'CREATE TABLE machine_data (\"timestamp\" TIMESTAMP, \"value\" DOUBLE PRECISION)' \n",
-    "query_copy_from = \"COPY machine_data FROM 'https://github.com/crate/cratedb-datasets/raw/main/timeseries/nab-machine-failure.csv';\"\n",
+    "sql_ddl = 'CREATE TABLE machine_data (\"timestamp\" TIMESTAMP, \"value\" DOUBLE PRECISION)'\n",
+    "sql_load = \"COPY machine_data FROM 'https://github.com/crate/cratedb-datasets/raw/main/timeseries/nab-machine-failure.csv';\"\n",
+    "sql_refresh = \"REFRESH TABLE machine_data;\"\n",
+    "\n",
     "with engine.connect() as conn:\n",
-    "    conn.execute(sa.text(query_create_table))\n",
-    "    conn.execute(sa.text(query_copy_from))\n"
+    "    conn.execute(sa.text(sql_ddl))\n",
+    "    conn.execute(sa.text(sql_load))\n",
+    "    conn.execute(sa.text(sql_refresh))"
    ]
   },
   {