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Author: danielsparing

stfunctions/duckdb_udf.ipynb

@@ -15,6 +15,9 @@
    "source": [
     "# Define a Spark UDF using a DuckDB Spatial function\n",
     "\n",
+    "%md\n",
+    "![lamanche](img/lamanche.png)\n",
+    "\n",
     "Databricks SQL now contains lots of [ST Functions](https://docs.databricks.com/aws/en/sql/language-manual/sql-ref-st-geospatial-functions). However, at some point you might just need a geospatial function not (yet) available natively in Databricks, but maybe available in DuckDB Spatial. For example, as of Aug 2025, the `st_shortestline` function.\n",
     "\n",
     "Then we can register the DuckDB function as a Spark UDF as follows:"
@@ -38,7 +41,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 0,
    "metadata": {
     "application/vnd.databricks.v1+cell": {
      "cellMetadata": {
@@ -80,7 +83,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 0,
    "metadata": {
     "application/vnd.databricks.v1+cell": {
      "cellMetadata": {
@@ -137,7 +140,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 0,
    "metadata": {
     "application/vnd.databricks.v1+cell": {
      "cellMetadata": {
@@ -186,7 +189,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 0,
    "metadata": {
     "application/vnd.databricks.v1+cell": {
      "cellMetadata": {
@@ -275,7 +278,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 0,
    "metadata": {
     "application/vnd.databricks.v1+cell": {
      "cellMetadata": {
@@ -323,7 +326,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 0,
    "metadata": {
     "application/vnd.databricks.v1+cell": {
      "cellMetadata": {