o h@sddlmZddlmZddlmZddlmZddlmZddlm Z ddlm Z dd lm Z dd l m Z dd l mZdd lmZGd ddee jeZdS)) annotations)Any)exc)util) coercions)elements) operators)roles) _generative) Generative)Selfcs^eZdZUdZdZdZded<dfd d ZedddZ edddZ edddZ Z S)matchasProduce a ``MATCH (X, Y) AGAINST ('TEXT')`` clause. E.g.:: from sqlalchemy import desc from sqlalchemy.dialects.mysql import match match_expr = match( users_table.c.firstname, users_table.c.lastname, against="Firstname Lastname", ) stmt = ( select(users_table) .where(match_expr.in_boolean_mode()) .order_by(desc(match_expr)) ) Would produce SQL resembling: .. sourcecode:: sql SELECT id, firstname, lastname FROM user WHERE MATCH(firstname, lastname) AGAINST (:param_1 IN BOOLEAN MODE) ORDER BY MATCH(firstname, lastname) AGAINST (:param_2) DESC The :func:`_mysql.match` function is a standalone version of the :meth:`_sql.ColumnElement.match` method available on all SQL expressions, as when :meth:`_expression.ColumnElement.match` is used, but allows to pass multiple columns :param cols: column expressions to match against :param against: expression to be compared towards :param in_boolean_mode: boolean, set "boolean mode" to true :param in_natural_language_mode: boolean , set "natural language" to true :param with_query_expansion: boolean, set "query expansion" to true .. versionadded:: 1.4.19 .. seealso:: :meth:`_expression.ColumnElement.match` mysql_matchTzutil.immutabledict[str, Any] modifierscolselements.ColumnElement[Any]kwrcs|std|dd}|durtdttj|}tjj t j |d}d|_ t |dd|dd|ddd }|rJtd d |tj||t j|d dS) Nzcolumns are requiredagainstzagainst is required)clausesFin_boolean_modein_natural_language_modewith_query_expansion)mysql_boolean_modemysql_natural_languagemysql_query_expansionzunknown arguments: %sz, )r)r ArgumentErrorpoprexpectr ExpressionElementRolerBooleanClauseList_construct_rawr comma_opgroupr immutabledictjoinsuper__init__match_op)selfrrrleftflags __class__W/var/www/html/venv/lib/python3.10/site-packages/sqlalchemy/dialects/mysql/expression.pyr'Ps2      zmatch.__init__returnr cC|jddi|_|S)zApply the "IN BOOLEAN MODE" modifier to the MATCH expression. :return: a new :class:`_mysql.match` instance with modifications applied. rTrunionr)r.r.r/rrzmatch.in_boolean_modecCr1)zApply the "IN NATURAL LANGUAGE MODE" modifier to the MATCH expression. :return: a new :class:`_mysql.match` instance with modifications applied. rTr2r4r.r.r/r}s zmatch.in_natural_language_modecCr1)zApply the "WITH QUERY EXPANSION" modifier to the MATCH expression. :return: a new :class:`_mysql.match` instance with modifications applied. rTr2r4r.r.r/rr5zmatch.with_query_expansion)rrrr)r0r ) __name__ __module__ __qualname____doc____visit_name__ inherit_cache__annotations__r'r rrr __classcell__r.r.r,r/rs 3"   rN) __future__rtypingrrrsqlrrr r sql.baser r util.typingr BinaryExpressionrr.r.r.r/s