Maintain PySpark compatibility for databricks.labs.lsql.core.Row (#99)

Add asDict to databricks.labs.lsql.core.Row to maintain PySpark
compatibility

src/databricks/labs/lsql/backends.py

@@ -207,6 +207,7 @@ def fetch(self, sql: str, *, catalog: str | None = None, schema: str | None = No
                 self._spark.sql(f"USE CATALOG {catalog}")
             if schema:
                 self._spark.sql(f"USE SCHEMA {schema}")
+            # TODO: pyspark.sql.Row is being returned instead of databricks.labs.lsql.core.Row
             return iter(self._spark.sql(sql).collect())
         except Exception as e:
             error_message = str(e)

src/databricks/labs/lsql/core.py

@@ -66,6 +66,10 @@ def as_dict(self) -> dict[str, Any]:
         """Convert the row to a dictionary with the same conventions as Databricks SDK."""
         return dict(zip(self.__columns__, self, strict=True))
 
+    # PySpark's compatibility
+    def asDict(self, recursive: bool = False) -> dict[str, Any]:
+        return self.as_dict()
+
     def __eq__(self, other):
         """Check if the rows are equal."""
         if not isinstance(other, Row):