Method __init__

lib/sqlalchemy/dialects/mysql/expression.py:80–112

(self, *cols: elements.ColumnElement[Any], **kw: Any)

    modifiers: util.immutabledict[str, Any]

    def __init__(self, *cols: elements.ColumnElement[Any], **kw: Any):
        if not cols:
            raise exc.ArgumentError("columns are required")

        against = kw.pop("against", None)

        if against is None:
            raise exc.ArgumentError("against is required")
        against = coercions.expect(
            roles.ExpressionElementRole,
            against,
        )

        left = elements.BooleanClauseList._construct_raw(
            operators.comma_op,
            clauses=cols,
        )
        left.group = False

        flags = util.immutabledict(
            {
                "mysql_boolean_mode": kw.pop("in_boolean_mode", False),
                "mysql_natural_language": kw.pop(
                    "in_natural_language_mode", False
                ),
                "mysql_query_expansion": kw.pop("with_query_expansion", False),
            }
        )

        if kw:
            raise exc.ArgumentError("unknown arguments: %s" % (", ".join(kw)))

        super().__init__(left, against, operators.match_op, modifiers=flags)

    @_generative
    def in_boolean_mode(self) -> Self: