iddlmZddlmZddlmZddlmZddlmZddlm Z ddlm Z dd lm Z dd l m Z dd l mZdd lmZGd dee j"eZy)) annotations)Any)exc)util) coercions)elements) operators)roles) _generative) Generative)SelfcneZdZUdZdZdZded<d fd Zed dZ ed dZ ed d Z xZ 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] modifiersc`|stjd|jdd}|tjdtjt j |}tjjtj|}d|_ tj|jdd|jdd|jddd }|r'tjd d j|zt |E||tj$| y) Nzcolumns are requiredagainstzagainst is required)clausesFin_boolean_modein_natural_language_modewith_query_expansion)mysql_boolean_modemysql_natural_languagemysql_query_expansionzunknown arguments: %sz, )r)r ArgumentErrorpoprexpectr ExpressionElementRoler BooleanClauseList_construct_rawr comma_opgroupr immutabledictjoinsuper__init__match_op)selfcolskwrleftflags __class__s z/home/techsaathi/public_html/it_helpdesk_chatbot/venv/lib/python3.12/site-packages/sqlalchemy/dialects/mysql/expression.pyr'zmatch.__init__Ps##$:; ;&&D) ?##$9: :""  ' '   ))88   9  ""&(ff->&F*,&&.+*,0F)N    ##$;tyy}$MN N w (:(:eLcJ|jjddi|_|S)zApply the "IN BOOLEAN MODE" modifier to the MATCH expression. :return: a new :class:`_mysql.match` instance with modifications applied. rTrunionr)s r/rzmatch.in_boolean_moders%--/CT.JK r0cJ|jjddi|_|S)zApply the "IN NATURAL LANGUAGE MODE" modifier to the MATCH expression. :return: a new :class:`_mysql.match` instance with modifications applied. rTr2r4s r/rzmatch.in_natural_language_mode}s%--/G.NO r0cJ|jjddi|_|S)zApply the "WITH QUERY EXPANSION" modifier to the MATCH expression. :return: a new :class:`_mysql.match` instance with modifications applied. rTr2r4s r/rzmatch.with_query_expansions%--/F.MN r0)r*zelements.ColumnElement[Any]r+r)returnr) __name__ __module__ __qualname____doc____visit_name__ inherit_cache__annotations__r'r rrr __classcell__)r.s@r/rrs^1f#NM++ MD  r0rN) __future__rtypingrrrsqlrr r r sql.baser r util.typingrBinaryExpressionrr0r/rHsC##"{J11#6{r0