{"id":2932,"date":"2021-07-21T08:39:59","date_gmt":"2021-07-21T08:39:59","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=2932"},"modified":"2021-07-21T08:40:00","modified_gmt":"2021-07-21T08:40:00","slug":"obshhie-operatory-otnoshenij","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/en\/obshhie-operatory-otnoshenij\/","title":{"rendered":"\u041e\u0431\u0449\u0438\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0439"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0412 \u044d\u0442\u043e\u0439 \u0433\u043b\u0430\u0432\u0435 \u043c\u044b \u043e\u0431\u0441\u0443\u0434\u0438\u043c \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043d\u0430 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u044f\u0445.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">__eq __ ()<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u044b\u0448\u0435\u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0439 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u00ab\u0440\u0430\u0432\u043d\u044b\u0445\u00bb.&nbsp;\u0421\u0442\u0440\u043e\u043a\u0430 \u043a\u043e\u0434\u0430 \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430, \u043a\u0430\u043a \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u043d\u0438\u0436\u0435 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">s = session.query(Customer).filter(Invoice.invno.__eq__(12))<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u044b\u0439 SQL-\u0437\u0430\u043f\u0440\u043e\u0441 \u0434\u043b\u044f \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u043e\u0439 \u0432\u044b\u0448\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u043a\u043e\u0434\u0430 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT customers.id \nAS customers_id, customers.name \nAS customers_name, customers.address \nAS customers_address, customers.email \nAS customers_email\nFROM customers, invoices\nWHERE invoices.invno = ?<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">__ne __ ()<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u00ab\u043d\u0435 \u0440\u0430\u0432\u043d\u043e\u00bb.&nbsp;\u0421\u0442\u0440\u043e\u043a\u0430 \u043a\u043e\u0434\u0430 \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430, \u043a\u0430\u043a \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u043d\u0438\u0436\u0435 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">s = session.query(Customer).filter(Invoice.custid.__ne__(2))<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u044b\u0439 SQL-\u0437\u0430\u043f\u0440\u043e\u0441 \u0434\u043b\u044f \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u043e\u0439 \u0432\u044b\u0448\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u043a\u043e\u0434\u0430 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d \u043d\u0438\u0436\u0435 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT customers.id \nAS customers_id, customers.name \nAS customers_name, customers.address \nAS customers_address, customers.email \nAS customers_email\nFROM customers, invoices\nWHERE invoices.custid != ?<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442()<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0439 \u00ab\u043e\u0434\u0438\u043d \u043a\u043e \u043c\u043d\u043e\u0433\u0438\u043c\u00bb, \u0438 \u043d\u0438\u0436\u0435 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d \u043a\u043e\u0434 \u0434\u043b\u044f \u043c\u0435\u0442\u043e\u0434\u0430 contains () \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">s = session.query(Invoice).filter(Invoice.invno.contains([3,4,5]))<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u044b\u0439 SQL-\u0437\u0430\u043f\u0440\u043e\u0441 \u0434\u043b\u044f \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u043e\u0439 \u0432\u044b\u0448\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u043a\u043e\u0434\u0430 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT invoices.id \nAS invoices_id, invoices.custid \nAS invoices_custid, invoices.invno \nAS invoices_invno, invoices.amount \nAS invoices_amount\nFROM invoices\nWHERE (invoices.invno LIKE '%' + ? || '%')<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u043b\u044e\u0431\u043e\u0439()<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 any () \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0439, \u043a\u0430\u043a \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u043d\u0438\u0436\u0435 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">s = session.query(Customer).filter(Customer.invoices.any(Invoice.invno==11))<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u044b\u0439 SQL-\u0437\u0430\u043f\u0440\u043e\u0441 \u0434\u043b\u044f \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u043e\u0439 \u0432\u044b\u0448\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u043a\u043e\u0434\u0430 \u043f\u043e\u043a\u0430\u0437\u0430\u043d \u043d\u0438\u0436\u0435 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT customers.id \nAS customers_id, customers.name \nAS customers_name, customers.address \nAS customers_address, customers.email \nAS customers_email\nFROM customers\nWHERE EXISTS (\n   SELECT 1\n   FROM invoices\n   WHERE customers.id = invoices.custid \n   AND invoices.invno = ?)<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u0435\u0441\u0442\u044c ()<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u0441\u043a\u0430\u043b\u044f\u0440\u043d\u044b\u0445 \u0441\u0441\u044b\u043b\u043e\u043a \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">s = session.query(Invoice).filter(Invoice.customer.has(name = 'Arjun Pandit'))<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u0412 \u044d\u0442\u043e\u0439 \u0433\u043b\u0430\u0432\u0435 \u043c\u044b \u043e\u0431\u0441\u0443\u0434\u0438\u043c \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043d\u0430 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u044f\u0445. __eq __ () \u0412\u044b\u0448\u0435\u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0439 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u00ab\u0440\u0430\u0432\u043d\u044b\u0445\u00bb.&nbsp;\u0421\u0442\u0440\u043e\u043a\u0430 \u043a\u043e\u0434\u0430 \u0434\u043b\u044f [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[103],"tags":[],"class_list":["post-2932","page","type-page","status-publish","hentry","category-sqlalchemy"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/2932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/comments?post=2932"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/2932\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/media?parent=2932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/categories?post=2932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/tags?post=2932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}