searxng/searxng · error · ValueError

only SELECT query is supported

Error message

only SELECT query is supported

What it means

Error "only SELECT query is supported" thrown in searxng/searxng.

Source

Thrown at searx/engines/sqlite.py:74

database = ""
"""Filename of the SQLite DB."""

query_str = ""
"""SQL query that returns the result items."""

result_type: t.Literal["MainResult", "KeyValue"] = "KeyValue"
"""The result type can be :py:obj:`MainResult` or :py:obj:`KeyValue`."""

limit = 10
paging = True


def init(engine_settings):
    if 'query_str' not in engine_settings:
        raise ValueError('query_str cannot be empty')

    if not engine_settings['query_str'].lower().startswith('select '):
        raise ValueError('only SELECT query is supported')


@contextlib.contextmanager
def sqlite_cursor():
    """Implements a :py:obj:`Context Manager <contextlib.contextmanager>` for a
    :py:obj:`sqlite3.Cursor`.

    Open database in read only mode: if the database doesn't exist.  The default
    mode creates an empty file on the file system.  See:

    * https://docs.python.org/3/library/sqlite3.html#sqlite3.connect
    * https://www.sqlite.org/uri.html

    """
    uri = 'file:' + database + '?mode=ro'
    with contextlib.closing(sqlite3.connect(uri, uri=True)) as connect:
        connect.row_factory = sqlite3.Row
        with contextlib.closing(connect.cursor()) as cursor:

View on GitHub (pinned to 9fea41204f)

When it happens

Trigger: Thrown at searx/engines/sqlite.py:74 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of searxng/searxng@9fea41204f (2026-08-27). Data as JSON: /api/errors/40626ea02140554a. Report an issue: GitHub.