changed the column selection query to handle invalid file error

Author: gibahjoe

digital_land/expectations/operations/csv.py

@@ -13,13 +13,10 @@ def _read_csv(file_path: Path) -> str:
 
 
 def _get_csv_columns(conn, file_path: Path) -> list:
-    """Get column names from CSV file."""
-    return [
-        col[0]
-        for col in conn.execute(
-            f"SELECT * FROM {_read_csv(file_path)} LIMIT 0"
-        ).description
-    ]
+    result = conn.execute(
+        "DESCRIBE SELECT * FROM read_csv_auto(?)", [str(file_path)]
+    ).fetchall()
+    return [row[0] for row in result]
 
 
 def _sql_string(value) -> str: