{"id":16154,"date":"2024-01-21T13:07:32","date_gmt":"2024-01-21T09:37:32","guid":{"rendered":"https:\/\/rasanegar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/"},"modified":"2024-01-21T13:07:32","modified_gmt":"2024-01-21T09:37:32","slug":"%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4","status":"publish","type":"post","link":"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/","title":{"rendered":"\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 PostgreSQL \u0628\u0627 Node.js \u0648 node-postgres\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0631\u0648\u0634 \u0627\u062f\u063a\u0627\u0645 PostgreSQL \u0628\u0627 Node.js \u0631\u0627 \u0645\u0648\u0631\u062f \u0628\u062d\u062b \u0642\u0631\u0627\u0631 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f.  \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0631\u0627 \u0628\u0647\u062a\u0631 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f\u060c \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062a\u062c\u0631\u0628\u0647 \u0642\u0628\u0644\u06cc \u062f\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631\u0627\u062a Node.js \u0648 SQL \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f.  \u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0627\u0632 \u0646\u062d\u0648 \u0633\u0627\u062f\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a ES6 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.  \u0686\u0646\u062f \u0645\u0634\u062a\u0631\u06cc \u0645\u062e\u062a\u0644\u0641 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f &#8230;"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0633\u0631\u0641\u0635\u0644\u0647\u0627\u06cc \u0645\u0637\u0644\u0628<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d9%85%d8%b9%d8%b1%d9%81%db%8c\" >\u0645\u0639\u0631\u0641\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#postgresql\" >PostgreSQL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c_%d9%be%d8%b1%d9%88%da%98%d9%87\" >\u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u067e\u0631\u0648\u0698\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d8%a7%d8%ac%d8%b1%d8%a7%db%8c_%d8%b9%d9%85%d9%84%db%8c%d8%a7%d8%aa_crud\" >\u0627\u062c\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a CRUD<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c_%d9%be%d8%a7%db%8c%da%af%d8%a7%d9%87_%d8%af%d8%a7%d8%af%d9%87\" >\u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d8%a7%d8%aa%d8%b5%d8%a7%d9%84_%d8%a8%d9%87_%d9%be%d8%a7%db%8c%da%af%d8%a7%d9%87_%d8%af%d8%a7%d8%af%d9%87\" >\u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 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class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d8%a8%d8%a7%d8%b2%db%8c%d8%a7%d8%a8%db%8c%d8%a7%d9%86%d8%aa%d8%ae%d8%a7%d8%a8_%d8%af%d8%a7%d8%af%d9%87_%d9%87%d8%a7\" >\u0628\u0627\u0632\u06cc\u0627\u0628\u06cc\/\u0627\u0646\u062a\u062e\u0627\u0628 \u062f\u0627\u062f\u0647 \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d8%a8%d9%87_%d8%b1%d9%88%d8%b2_%d8%b1%d8%b3%d8%a7%d9%86%db%8c_%d8%af%d8%a7%d8%af%d9%87_%d9%87%d8%a7\" >\u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d8%ad%d8%b0%d9%81_%d8%af%d8%a7%d8%af%d9%87_%d9%87%d8%a7\" >\u062d\u0630\u0641 \u062f\u0627\u062f\u0647 \u0647\u0627<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d8%a7%d8%af%d8%ba%d8%a7%d9%85\" >\u0627\u062f\u063a\u0627\u0645<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d8%a7%db%8c%d8%ac%d8%a7%d8%af_%db%8c%da%a9_%d8%a7%d8%b3%d8%aa%d8%ae%d8%b1\" >\u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0627\u0633\u062a\u062e\u0631<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d9%85%da%a9%d8%a7%d9%86_%d9%86%d9%85%d8%a7_%d8%a8%d8%b1%d8%a7%db%8c_%d8%ae%d9%88%d8%a7%d9%86%d8%af%d9%86_%d9%be%d8%b1%d8%b3_%d9%88_%d8%ac%d9%88%d9%87%d8%a7%db%8c_%d8%a8%d8%b2%d8%b1%da%af\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648\u0647\u0627\u06cc \u0628\u0632\u0631\u06af<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/rasanegaar.com\/blog\/%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-postgresql-%d8%a8%d8%a7-node-js-%d9%88-node-postgres%d8%af%d8%b1-%d8%a7%db%8c%d9%86-%d9%85%d9%82%d8%a7%d9%84%d9%87%d8%8c-%d8%b1%d9%88%d8%b4\/#%d9%86%d8%aa%db%8c%d8%ac%d9%87\" >\u0646\u062a\u06cc\u062c\u0647<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 10<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span><p> <br \/>\n<\/p>\n<div class=\"content\"><noscript><\/p>\n<style>.lazyload-placeholder { display: none;  }<\/style>\n<p><\/noscript><\/p>\n<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"%d9%85%d8%b9%d8%b1%d9%81%db%8c\"><\/span>\u0645\u0639\u0631\u0641\u06cc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0631\u0648\u0634 \u0627\u062f\u063a\u0627\u0645 PostgreSQL \u0628\u0627 Node.js \u0631\u0627 \u0645\u0648\u0631\u062f \u0628\u062d\u062b \u0642\u0631\u0627\u0631 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0631\u0627 \u0628\u0647\u062a\u0631 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f\u060c \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062a\u062c\u0631\u0628\u0647 \u0642\u0628\u0644\u06cc \u062f\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631\u0627\u062a Node.js \u0648 SQL \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f.  \u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0627\u0632 \u0646\u062d\u0648 \u0633\u0627\u062f\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a ES6 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.<\/p>\n<p>\u0686\u0646\u062f \u06a9\u0644\u0627\u06cc\u0646\u062a \u0645\u062e\u062a\u0644\u0641 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0631\u0627\u06cc \u0627\u062f\u063a\u0627\u0645 PostgreSQL \u0628\u0627 Node.js \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.  \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <code>node-postgres<\/code> \u0645\u062f\u0648\u0644.  \u0627\u06cc\u0646 \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u0645\u062d\u0628\u0648\u0628 \u0648 \u0628\u0627\u0644\u063a \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u0633\u0627\u06cc\u0631 \u0645\u0634\u062a\u0631\u06cc\u0627\u0646 PostgreSQL \u0627\u0633\u062a.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 PostgreSQL \u0628\u0627 \u06cc\u06a9 ORM \u0645\u0627\u0646\u0646\u062f <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/sequelize.org\/\">\u0639\u0627\u0642\u0628\u062a \u0633\u0627\u0632\u06cc<\/a> \u0647\u0645\u0686\u0646\u06cc\u0646.  \u0627\u0645\u0627 \u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0627\u0632 \u0686\u0646\u06cc\u0646 \u0645\u0627\u0698\u0648\u0644 ORM \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.  \u062f\u0631 \u0639\u0648\u0636\u060c \u0627\u0632 \u067e\u0631\u0633\u200c\u0648\u200c\u062c\u0648\u0647\u0627\u06cc \u0633\u0627\u062f\u0647 SQL \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645\u060c \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0631\u0627\u06cc \u062a\u0639\u0627\u0645\u0644\u0627\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u062f\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<h2 id=\"postgresql\"><span class=\"ez-toc-section\" id=\"postgresql\"><\/span>PostgreSQL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.postgresql.org\/\">PostgreSQL<\/a> \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u062d\u0628\u0648\u0628 SQL \u0627\u0633\u062a.  \u0627\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0628\u06cc\u0634 \u0627\u0632 30 \u0633\u0627\u0644 \u06af\u0630\u0634\u062a\u0647 \u062f\u0631 \u062d\u0627\u0644 \u062a\u0648\u0633\u0639\u0647 \u0628\u0648\u062f\u0647 \u0627\u0633\u062a \u0648 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9\u06cc \u0627\u0632 \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062a\u0631\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u062f\u0631 \u0622\u0646\u062c\u0627 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f.  \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0648 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc PostgreSQL \u0646\u06cc\u0632 \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 \u0633\u0627\u06cc\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u0622\u0633\u0627\u0646 \u0627\u0633\u062a.  \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0645\u0627\u0647\u06cc\u062a \u0631\u0627\u06cc\u06af\u0627\u0646 \u0648 \u0645\u0646\u0628\u0639 \u0628\u0627\u0632 \u0622\u0646\u060c \u0627\u06cc\u0646 \u06cc\u06a9 \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u062d\u0628\u0648\u0628 \u062f\u0631 \u0628\u06cc\u0646 \u0627\u0633\u062a\u0627\u0631\u062a\u0627\u067e \u0647\u0627 \u0627\u0633\u062a.<\/p>\n<p>PostgreSQL \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u06cc\u0646 \u067e\u0644\u062a\u0641\u0631\u0645\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f \u0631\u0648\u06cc \u062a\u0645\u0627\u0645 \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0647\u0627\u06cc \u0627\u0635\u0644\u06cc  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0648 \u0627\u06cc\u062c\u0627\u062f \u062f\u0633\u062a\u0631\u0633\u06cc\/\u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u06cc\u0646 \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0647\u0627 \u06a9\u0645\u06cc \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0633\u062a.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u0627\u0632 \u0627\u0648\u0628\u0648\u0646\u062a\u0648 18.04 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f \u06a9\u0647 \u06cc\u06a9 \u067e\u0644\u062a\u0641\u0631\u0645 \u0645\u062d\u0628\u0648\u0628 \u0644\u06cc\u0646\u0648\u06a9\u0633 \u0627\u0633\u062a \u0648 \u0628\u0647 \u0637\u0648\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0634\u0627\u0645\u0644 PostgreSQL \u0627\u0633\u062a.  \u0627\u06af\u0631 \u0627\u0632 \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u062f\u06cc\u06af\u0631\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0631\u062e\u06cc \u0627\u0632 \u0645\u0631\u0627\u062d\u0644 \u06a9\u0645\u06cc \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0634\u0646\u062f.<\/p>\n<h2 id=\"projectconfiguration\"><span class=\"ez-toc-section\" id=\"%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c_%d9%be%d8%b1%d9%88%da%98%d9%87\"><\/span>\u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u067e\u0631\u0648\u0698\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u06cc\u06a9 \u067e\u0631\u0648\u0698\u0647 \u0633\u0627\u062f\u0647 Node.js \u062e\u0627\u0644\u06cc \u0628\u0627 \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">$<\/span><span class=\"bash\"> npm init -y<\/span>\n<\/code><\/pre>\n<p>\u0633\u067e\u0633\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>npm<\/code> \u0628\u0631\u0627\u06cc \u0646\u0635\u0628 <code>node-postgres<\/code> \u0645\u0627\u0698\u0648\u0644\u060c \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u062a\u0635\u0627\u0644 \u0648 \u062a\u0639\u0627\u0645\u0644 \u0628\u0627 Postgres \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">$<\/span><span class=\"bash\"> npm install --save pg<\/span>\n<\/code><\/pre>\n<h2 id=\"implementingcrudoperations\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%ac%d8%b1%d8%a7%db%8c_%d8%b9%d9%85%d9%84%db%8c%d8%a7%d8%aa_crud\"><\/span>\u0627\u062c\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a CRUD<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0627 \u0628\u0648\u062a \u0627\u0633\u062a\u0631\u067e \u067e\u0631\u0648\u0698\u0647 \u0645\u0627\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u067e\u06cc\u0634 \u0628\u0631\u0648\u06cc\u0645 \u0648 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u0645.  \u067e\u0633 \u0627\u0632 \u0622\u0646\u060c \u0628\u0631\u062e\u06cc \u0627\u0632 \u0639\u0645\u0644\u06a9\u0631\u062f\u0647\u0627\u06cc \u0627\u0648\u0644\u06cc\u0647 CRUD \u0631\u0627 \u0645\u06cc \u0646\u0648\u06cc\u0633\u06cc\u0645.<\/p>\n<h3 id=\"databaseconfiguration\"><span class=\"ez-toc-section\" id=\"%d9%be%db%8c%da%a9%d8%b1%d8%a8%d9%86%d8%af%db%8c_%d9%be%d8%a7%db%8c%da%af%d8%a7%d9%87_%d8%af%d8%a7%d8%af%d9%87\"><\/span>\u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0645\u0627\u0646\u0646\u062f \u0647\u0645\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc\u060c \u0645\u0627 \u0628\u0627 \u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9\u06cc \u0648 \u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u0622\u0646 \u0634\u0631\u0648\u0639 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645.  \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 CLI \u06cc\u0627 \u06cc\u06a9 \u06a9\u0644\u0627\u06cc\u0646\u062a \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0631\u0627\u0628\u0637 \u06a9\u0627\u0631\u0628\u0631\u06cc \u06af\u0631\u0627\u0641\u06cc\u06a9\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.  \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0627\u0632 \u0637\u0631\u06cc\u0642 CLI \u0628\u0633\u06cc\u0627\u0631 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a\u060c \u0645\u0627 \u062f\u0642\u06cc\u0642\u0627\u064b \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0648\u0628\u0648\u0646\u062a\u0648\u060c \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0627\u0633\u062a <code>psql<\/code> \u062f\u0633\u062a\u0648\u0631 \u0648\u0627\u0631\u062f CLI \u0645\u06cc \u0634\u0648\u062f.  PostgreSQL \u06cc\u06a9 \u06a9\u0627\u0631\u0628\u0631 \u0628\u0647 \u0646\u0627\u0645 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f <code>postgres<\/code> \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0647\u0627\u06cc \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u0644\u06cc\u0646\u0648\u06a9\u0633.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0628\u0631\u0627\u06cc \u0648\u0631\u0648\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>postgres<\/code> \u06a9\u0627\u0631\u0628\u0631:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">$<\/span><span class=\"bash\"> sudo -i -u postgres<\/span>\n<\/code><\/pre>\n<p>\u0633\u067e\u0633 \u0628\u0627 \u0627\u062c\u0631\u0627\u06cc CLI \u0648\u0627\u0631\u062f \u0634\u0648\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">$<\/span><span class=\"bash\"> psql<\/span>\n<\/code><\/pre>\n<p>\u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u06cc\u06a9 \u067e\u0648\u0633\u062a\u0647 \u0641\u0631\u0645\u0627\u0646 \u0645\u0634\u0627\u0628\u0647 \u0627\u06cc\u0646 \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u062f:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/integrating-postgresql-with-nodejs-using-node-postgres-1.png\" alt=\"\u062f\u0633\u062a\u0648\u0631 postgresql psql\" title=\"\"><\/p>\n<p>\u0628\u0631\u0627\u06cc \u0645\u0634\u0627\u0647\u062f\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647\u200c\u0647\u0627\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u0645\u0648\u062c\u0648\u062f\u060c \u0627\u0632 <code>\\list<\/code> \u06cc\u0627 <code>\\l<\/code> \u062f\u0633\u062a\u0648\u0631:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/integrating-postgresql-with-nodejs-using-node-postgres-2.png\" alt=\"\u062f\u0633\u062a\u0648\u0631 postgresql list\" title=\"\"><\/p>\n<p>\u0648 \u0627\u06a9\u0646\u0648\u0646\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u067e\u0631\u0633 \u0648 \u062c\u0648\u06cc SQL \u062e\u0648\u062f\u0645\u0627\u0646 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">CREATE<\/span> DATABASE testdb;\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631\u060c \u06cc\u06a9 a \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>testdb<\/code> \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0648 \u0628\u0627 \u062e\u0631\u0648\u062c\u06cc \u062e\u0648\u0634\u0627\u0645\u062f \u06af\u0641\u062a \u0648 \u062f\u0633\u062a\u0648\u0631 \u0645\u0627 \u0631\u0627 \u062a\u0623\u06cc\u06cc\u062f \u06a9\u0631\u062f:<\/p>\n<pre><code class=\"hljs\">CREATE DATABASE\n<\/code><\/pre>\n<p>\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0627\u06a9\u0646\u0648\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647 \u0622\u0646 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645.  \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 PostgreSQL \u06cc\u06a9 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f <code>postgres<\/code> \u06a9\u0627\u0631\u0628\u0631\u060c \u0631\u0645\u0632 \u0639\u0628\u0648\u0631 \u0628\u0647 \u0637\u0648\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u062a\u0646\u0638\u06cc\u0645 \u0646\u0634\u062f\u0647 \u0627\u0633\u062a.  \u0627\u06af\u0631 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0631\u0645\u0632 \u0639\u0628\u0648\u0631 \u062e\u0648\u062f \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f (\u0628\u0647 \u062c\u0627\u06cc \u062e\u0627\u0644\u06cc \u06af\u0630\u0627\u0634\u062a\u0646 \u0622\u0646)\u060c \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>\\password<\/code> \u062f\u0633\u062a\u0648\u0631:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/integrating-postgresql-with-nodejs-using-node-postgres-3.png\" alt=\"\u062a\u063a\u06cc\u06cc\u0631 \u067e\u0633\u0648\u0631\u062f postgresql \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 cli\" title=\"\"><\/p>\n<p>\u0628\u0627 \u062a\u0646\u0638\u06cc\u0645 \u0631\u0645\u0632 \u0639\u0628\u0648\u0631 \u0634\u0645\u0627\u060c \u0645\u0627 \u0622\u0645\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u062e\u0648\u062f \u0647\u0633\u062a\u06cc\u0645.<\/p>\n<h3 id=\"connectingtothedatabase\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%aa%d8%b5%d8%a7%d9%84_%d8%a8%d9%87_%d9%be%d8%a7%db%8c%da%af%d8%a7%d9%87_%d8%af%d8%a7%d8%af%d9%87\"><\/span>\u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0634\u0645\u0627 \u062f\u0648 \u06af\u0632\u06cc\u0646\u0647 \u062f\u0627\u0631\u06cc\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0622\u0646 \u0628\u0647 \u0633\u0631\u0648\u0631 PostgreSQL \u0645\u062a\u0635\u0644 \u0634\u0648\u06cc\u062f <code>node-postgres<\/code> \u0645\u062f\u0648\u0644.  \u06cc\u06a9\u06cc \u0627\u0632 \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u06a9\u0644\u0627\u06cc\u0646\u062a \u0648\u0627\u062d\u062f \u0627\u0633\u062a.  \u0631\u0648\u0634 \u062f\u06cc\u06af\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0633\u062a\u062e\u0631 \u0627\u062a\u0635\u0627\u0644 \u0627\u0633\u062a.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0627\u06af\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u06a9\u0631\u0631 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f\u060c pool \u06af\u0632\u06cc\u0646\u0647 \u0628\u0647\u062a\u0631\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u06a9\u0644\u0627\u06cc\u0646\u062a \u0648\u0627\u062d\u062f \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.<\/p>\n<p>\u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>node-postgres<\/code> \u0645\u0627\u0698\u0648\u0644 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u062f\u0648 \u0631\u0648\u0634 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f &#8211; \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 a <em>\u0645\u0634\u062a\u0631\u06cc \u062a\u06a9<\/em> \u0648 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 a <em>\u0627\u0633\u062a\u062e\u0631 \u0627\u062a\u0635\u0627\u0644<\/em>.<\/p>\n<p>\u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0627\u0633\u062a\u062e\u0631 \u0627\u062a\u0635\u0627\u0644 \u0628\u0631\u0627\u06cc \u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0646\u06af\u0627\u0647\u06cc \u062e\u0648\u0627\u0647\u06cc\u0645 \u0627\u0646\u062f\u0627\u062e\u062a.  \u062f\u0631 \u062d\u0627\u0644 \u062d\u0627\u0636\u0631\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0631\u0627\u06cc \u0627\u062e\u062a\u0635\u0627\u0631 \u0648 \u0633\u0627\u062f\u06af\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u06a9\u0644\u0627\u06cc\u0646\u062a \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u062a\u0635\u0644 \u0634\u0648\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> { Client } = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'pg'<\/span>);\n\n<span class=\"hljs-keyword\">const<\/span> client = <span class=\"hljs-keyword\">new<\/span> Client({\n    <span class=\"hljs-attr\">user<\/span>: <span class=\"hljs-string\">'postgres'<\/span>,\n    <span class=\"hljs-attr\">host<\/span>: <span class=\"hljs-string\">'localhost'<\/span>,\n    <span class=\"hljs-attr\">database<\/span>: <span class=\"hljs-string\">'testdb'<\/span>,\n    <span class=\"hljs-attr\">password<\/span>: <span class=\"hljs-string\">'1234abcd'<\/span>,\n    <span class=\"hljs-attr\">port<\/span>: <span class=\"hljs-number\">5432<\/span>,\n});\n\nclient.connect();\n<\/code><\/pre>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627\u060c \u0645\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u06cc \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627 \u0631\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645.  \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u062f\u0648\u0646 \u0639\u0628\u0648\u0631 \u0627\u0632 \u0647\u06cc\u0686 \u06cc\u06a9 \u0627\u0632 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u062a\u0635\u0644 \u0634\u0648\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> { Client } = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'pg'<\/span>);\n\n<span class=\"hljs-keyword\">const<\/span> client = <span class=\"hljs-keyword\">new<\/span> Client();\nclient.connect();\n<\/code><\/pre>\n<p>\u0627\u0645\u0627 \u062f\u0648\u0628\u0627\u0631\u0647\u060c Node <em>\u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f<\/em> \u062f\u0627\u0646\u0633\u062a\u0646 <em>\u0686\u06af\u0648\u0646\u0647<\/em> \u0628\u0631\u0627\u06cc \u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0645\u0627 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0645\u062d\u06cc\u0637\u06cc \u0639\u0631\u0636\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">PGUSER=dbuser\nPGHOST=database.server.com\nPGPASSWORD=secretpassword\nPGDATABASE=mydb\nPGPORT=3211\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u062e\u0648\u062f\u062a\u0627\u0646 \u0622\u0646\u0647\u0627 \u0631\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0646\u06a9\u0631\u062f\u0647 \u0628\u0627\u0634\u06cc\u062f\u060c \u0645\u0627\u0698\u0648\u0644 \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">PGHOST='localhost'\nPGUSER=process.env.USER\nPGDATABASE=process.env.USER\nPGPASSWORD=null\nPGPORT=5432\n<\/code><\/pre>\n<p>\u062f\u0631 \u0644\u06cc\u0646\u0648\u06a9\u0633\u060c <code>process.env.USER<\/code> \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0641\u0639\u0644\u06cc \u06a9\u0647 \u0648\u0627\u0631\u062f \u0634\u062f\u0647 \u0627\u0633\u062a \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u062f.<\/p>\n<h3 id=\"creatingtables\"><span class=\"ez-toc-section\" id=\"%d8%a7%db%8c%d8%ac%d8%a7%d8%af_%d8%ac%d8%af%d8%a7%d9%88%d9%84\"><\/span>\u0627\u06cc\u062c\u0627\u062f \u062c\u062f\u0627\u0648\u0644<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u062f\u0631\u062c \u062f\u0627\u062f\u0647 \u0622\u0645\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0686\u0646\u062f \u062c\u062f\u0648\u0644 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645. \u0645\u0627\u0646\u0646\u062f \u0647\u0645\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 SQL\u060c \u0645\u0627 \u0627\u0632 <code>CREATE TABLE<\/code> \u067e\u0631\u0633 \u0648 \u062c\u0648:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">CREATE<\/span> <span class=\"hljs-keyword\">TABLE<\/span> (table_name) (\n    (column1) (datatype),\n    (column2) (datatype),\n    (column3) (datatype),\n   ....\n);\n<\/code><\/pre>\n<p>\u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0634\u0627\u0645\u0644 <em>\u0633\u062a\u0648\u0646 \u0647\u0627<\/em>\u0648 \u0647\u0631 \u0633\u062a\u0648\u0646 \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a.  \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0644\u0641 <code>firstName<\/code> \u0633\u062a\u0648\u0646 \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u0634\u062a <code>varchar<\/code> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647\u060c \u06a9\u0647 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0628\u0627 \u0627\u0646\u062f\u0627\u0632\u0647 \u0645\u062a\u063a\u06cc\u0631 \u0627\u0633\u062a.<\/p>\n<p>\u0627\u06af\u0631 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0631\u0628\u0627\u0631\u0647 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0634\u062f\u0647 \u0628\u06cc\u0634\u062a\u0631 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f\u060c <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.postgresql.org\/docs\/9.5\/datatype.html\">PostgreSQL Documentation<\/a>  \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0647 \u062e\u0648\u0628\u06cc \u0641\u0647\u0631\u0633\u062a \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u06af\u0641\u062a\u0647 \u0634\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0627\u06cc\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u062c\u062f\u0648\u0644 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> query = <span class=\"hljs-string\">`\nCREATE TABLE users (\n    email varchar,\n    firstName varchar,\n    lastName varchar,\n    age int\n);\n`<\/span>;\n<\/code><\/pre>\n<p>\u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0648\u0627\u0642\u0639\u06cc \u0627\u06cc\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u060c \u0627\u0632 \u0639\u0628\u0627\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>query()<\/code> \u062a\u0627\u0628\u0639 \u0627\u0632 <code>client<\/code> \u0634\u06cc\u0626\u06cc \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0631\u062f\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">client.query(query, <span class=\"hljs-function\">(<span class=\"hljs-params\">err, res<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-keyword\">if<\/span> (err) {\n        <span class=\"hljs-built_in\">console<\/span>.error(err);\n        <span class=\"hljs-keyword\">return<\/span>;\n    }\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'Table is successfully created'<\/span>);\n    client.end();\n});\n<\/code><\/pre>\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0641\u0631\u0627\u0645\u0648\u0634 \u0646\u06a9\u0646\u06cc\u062f <code>end()<\/code> \u067e\u0633 \u0627\u0632 \u0627\u062c\u0631\u0627\u06cc \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0628\u0627 \u0645\u0634\u062a\u0631\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0631\u0642\u0631\u0627\u0631 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u062f\u060c \u062c\u062f\u0648\u0644 \u0645\u0627 \u0648 print \u0628\u06cc\u0631\u0648\u0646:<\/p>\n<pre><code class=\"hljs\">Table is successfully created\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0646\u06cc\u0632 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0648\u0639\u062f\u0647 \u0648 <code>async\/await<\/code>.  \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u06cc\u06a9 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0634\u06a9\u0633\u062a \u0628\u062e\u0648\u0631\u062f\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0648\u0639\u062f\u0647\u200c\u0647\u0627 \u0645\u0646\u0637\u0642\u06cc\u200c\u062a\u0631 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\">client\n    .query(query)\n    .then(<span class=\"hljs-function\"><span class=\"hljs-params\">res<\/span> =&gt;<\/span> {\n        <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'Table is successfully created'<\/span>);\n    })\n    .catch(<span class=\"hljs-function\"><span class=\"hljs-params\">err<\/span> =&gt;<\/span> {\n        <span class=\"hljs-built_in\">console<\/span>.error(err);\n    })\n    .finally(<span class=\"hljs-function\">() =&gt;<\/span> {\n        client.end();\n    });\n<\/code><\/pre>\n<p>\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0645\u062b\u0627\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u062f \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0628\u0644\u0648\u06a9 final \u0628\u0631\u0627\u06cc \u0628\u0633\u062a\u0646 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0627 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062d\u062a\u06cc \u0627\u06af\u0631 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u067e\u0631\u062a\u0627\u0628 \u06cc\u06a9 <code>err<\/code>\u060c \u0627\u0631\u062a\u0628\u0627\u0637 \u0642\u0637\u0639 \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/p>\n<p>\u0628\u0647 \u0637\u0648\u0631 \u0645\u062a\u0646\u0627\u0648\u0628\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>async\/await<\/code> \u0646\u062d\u0648 \u0646\u06cc\u0632:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">try<\/span> {\n    <span class=\"hljs-keyword\">const<\/span> res = <span class=\"hljs-keyword\">await<\/span> client.query(query);\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'Table is successfully created'<\/span>);\n} <span class=\"hljs-keyword\">catch<\/span> (err) {\n    <span class=\"hljs-built_in\">console<\/span>.log(err.stack);\n} <span class=\"hljs-keyword\">finally<\/span> {\n    client.close();\n}\n<\/code><\/pre>\n<p>\u0647\u0645\u0647 \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f\u0647\u0627 \u0628\u0627\u06cc\u062f \u0646\u062a\u06cc\u062c\u0647 \u06cc\u06a9\u0633\u0627\u0646\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f:<\/p>\n<pre><code class=\"hljs\">Table is successfully created\n<\/code><\/pre>\n<p>\u0628\u0631\u0627\u06cc \u062a\u0623\u06cc\u06cc\u062f \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639\u060c \u0627\u0632 <code>psql<\/code> \u0631\u0627\u0628\u0637 \u062e\u0637 \u0641\u0631\u0645\u0627\u0646 \u0628\u0631\u0627\u06cc \u0628\u0627\u0632\u0631\u0633\u06cc DB.  a \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f terminal\u060c \u067e\u0648\u0633\u062a\u0647 \u0631\u0627 \u0628\u0627 <code>psql<\/code>\u0648 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>\\c (database)<\/code> \u0641\u0631\u0645\u0627\u0646 <code>\\c<\/code> \u0645\u062e\u062a\u0635\u0631 \u0627\u0633\u062a \u0628\u0631\u0627\u06cc <code>\\connect<\/code>:<\/p>\n<pre><code class=\"hljs\">\\c testdb\n<\/code><\/pre>\n<p>\u0633\u067e\u0633 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u062c\u062f\u0648\u0644 \u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0641\u0647\u0631\u0633\u062a \u06a9\u0646\u06cc\u062f <code>testdb<\/code> \u0628\u0627 \u0627\u062c\u0631\u0627\u06cc <code>\\dt<\/code> \u062f\u0633\u062a\u0648\u0631:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/integrating-postgresql-with-nodejs-using-node-postgres-4.png\" alt=\"\u062c\u062f\u0627\u0648\u0644 \u0644\u06cc\u0633\u062a postgresql\" title=\"\"><\/p>\n<p>\u0634\u0645\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0631\u0627\u06cc \u062c\u062f\u0627\u0648\u0644 \u062e\u0627\u0635 \u0628\u0627 \u0627\u0631\u0627\u0626\u0647 \u0646\u0627\u0645 \u0622\u0646\u0647\u0627 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">testdb=# \\dt FOO\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u06a9\u0648\u0626\u0631\u06cc \u062c\u062f\u0648\u0644\u06cc \u0631\u0627 \u0628\u0627 \u0646\u0627\u0645 \u0646\u0645\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u062f <code>FOO<\/code>.<\/p>\n<h3 id=\"creatinginsertingdata\"><span class=\"ez-toc-section\" id=\"%d8%a7%db%8c%d8%ac%d8%a7%d8%af%d8%af%d8%b1%d8%ac_%d8%af%d8%a7%d8%af%d9%87\"><\/span>\u0627\u06cc\u062c\u0627\u062f\/\u062f\u0631\u062c \u062f\u0627\u062f\u0647<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 SQL \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645 <code>INSERT INTO<\/code> \u0639\u0628\u0627\u0631\u062a \u0628\u0631\u0627\u06cc \u062f\u0631\u062c \u062f\u0627\u062f\u0647 \u0647\u0627 \u062f\u0631 \u062c\u062f\u0648\u0644:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> (table_name) ((column1), (column2), (column3), ...)\n<span class=\"hljs-keyword\">VALUES<\/span> ((value1), (value2), (value3), ...);\n<\/code><\/pre>\n<p>\u0628\u0631\u0627\u06cc \u0645\u0634\u062e\u0635 \u06a9\u0631\u062f\u0646 \u0627\u06cc\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0645\u0642\u0627\u062f\u06cc\u0631 \u062e\u0648\u062f \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0647 \u0648 \u06cc\u06a9 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0628\u0633\u0627\u0632\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> query = <span class=\"hljs-string\">`\nINSERT INTO users (email, firstName, lastName, age)\nVALUES ('(email\u00a0protected)', 'john', 'doe', 21)\n`<\/span>;\n<\/code><\/pre>\n<p>\u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a\u060c \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u06a9\u0648\u0626\u0631\u06cc \u0631\u0627 \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">client.query(query, <span class=\"hljs-function\">(<span class=\"hljs-params\">err, res<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-keyword\">if<\/span> (err) {\n        <span class=\"hljs-built_in\">console<\/span>.error(err);\n        <span class=\"hljs-keyword\">return<\/span>;\n    }\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'Data insert successful'<\/span>);\n    client.end();\n});\n<\/code><\/pre>\n<p><strong>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f:<\/strong> \u0645\u0627\u0646\u0646\u062f \u062f\u0641\u0639\u0647 \u0642\u0628\u0644\u060c \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>async\/await<\/code> \u0646\u062d\u0648.  \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 \u0647\u0627\u06cc \u0627\u0636\u0627\u0641\u06cc \u0628\u0631\u0627\u06cc \u0627\u062e\u062a\u0635\u0627\u0631 \u062d\u0630\u0641 \u0634\u062f\u0647 \u0627\u0646\u062f.<\/p>\n<p>\u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u062f \u06cc\u06a9 \u06a9\u0627\u0631\u0628\u0631 \u0631\u0627 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u0627 \u0648\u0627\u0631\u062f \u0645\u06cc \u06a9\u0646\u062f \u0648 print \u0628\u06cc\u0631\u0648\u0646:<\/p>\n<pre><code class=\"hljs\">Data insert successful\n<\/code><\/pre>\n<p>\u0628\u0631\u0627\u06cc \u062a\u0623\u06cc\u06cc\u062f \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639\u060c \u062f\u0631 \u0645\u0627 <code>testdb<\/code> \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f <code>SELECT<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-operator\">*<\/span> <span class=\"hljs-keyword\">from<\/span> users;\n<\/code><\/pre>\n<p>\u0645\u0627 \u0628\u0647 \u0648\u0636\u0648\u062d \u0645\u06cc \u0628\u06cc\u0646\u06cc\u0645 \u06a9\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0648\u0627\u0642\u0639\u0627\u064b \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/integrating-postgresql-with-nodejs-using-node-postgres-5.png\" alt=\"postgresql \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062c\u062f\u0648\u0644 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f\" title=\"\"><\/p>\n<h3 id=\"retrievingselectingdata\"><span class=\"ez-toc-section\" id=\"%d8%a8%d8%a7%d8%b2%db%8c%d8%a7%d8%a8%db%8c%d8%a7%d9%86%d8%aa%d8%ae%d8%a7%d8%a8_%d8%af%d8%a7%d8%af%d9%87_%d9%87%d8%a7\"><\/span>\u0628\u0627\u0632\u06cc\u0627\u0628\u06cc\/\u0627\u0646\u062a\u062e\u0627\u0628 \u062f\u0627\u062f\u0647 \u0647\u0627<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u060c <code>SELECT<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">SELECT<\/span> (column1), (column2), ...\n<span class=\"hljs-keyword\">FROM<\/span> (table_name)\n<span class=\"hljs-keyword\">WHERE<\/span> (<span class=\"hljs-keyword\">condition<\/span>);\n<\/code><\/pre>\n<p>\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc \u062e\u0627\u0635\u06cc \u0631\u0627 \u0628\u0627 \u0645\u0634\u062e\u0635 \u06a9\u0631\u062f\u0646 \u0622\u0646\u200c\u0647\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f \u06cc\u0627 \u062a\u0645\u0627\u0645 \u0641\u06cc\u0644\u062f\u0647\u0627\u06cc \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0628\u0627\u0631\u062a \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f <code>*<\/code> \u0639\u0627\u0645  \u0628\u0647 \u0635\u0648\u0631\u062a \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0634\u0631\u0637\u06cc \u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631 \u062e\u0644\u0627\u0642 \u0634\u0648\u06cc\u062f <code>WHERE<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0647\u0645\u0647 \u0633\u0637\u0631\u0647\u0627 \u0648 \u062a\u0645\u0627\u0645 \u0633\u062a\u0648\u0646 \u0647\u0627 \u0631\u0627 \u0627\u0632 \u0642\u0633\u0645\u062a \u0627\u0646\u062a\u062e\u0627\u0628 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>users<\/code> \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> query = <span class=\"hljs-string\">`\nSELECT *\nFROM users\n`<\/span>;\n<\/code><\/pre>\n<p>\u0627\u06a9\u0646\u0648\u0646\u060c \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0648\u0626\u0631\u06cc \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u060c \u0627\u0632 \u0639\u0628\u0627\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>client<\/code> \u0627\u0632 \u0646\u0648:<\/p>\n<pre><code class=\"hljs\">client.query(query, <span class=\"hljs-function\">(<span class=\"hljs-params\">err, res<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-keyword\">if<\/span> (err) {\n        <span class=\"hljs-built_in\">console<\/span>.error(err);\n        <span class=\"hljs-keyword\">return<\/span>;\n    }\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> row <span class=\"hljs-keyword\">of<\/span> res.rows) {\n        <span class=\"hljs-built_in\">console<\/span>.log(row);\n    }\n    client.end();\n});\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u062f \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">{\nemail: '(email\u00a0protected)',\nfirstname: 'john',\nlastname: 'doe',\nage: 21\n}\n{\nemail: '(email\u00a0protected)',\nfirstname: 'anna',\nlastname: 'dias',\nage: 35\n}\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u062f <em>\u0647\u0645\u0647<\/em> \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0646\u062f.  \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0641\u06cc\u0644\u062f\u0647\u0627\u06cc \u0622\u0646\u0647\u0627 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c \u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u0645 \u0647\u0645\u0647 \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u06a9\u0645\u062a\u0631 \u0627\u0632 30 \u0633\u0627\u0644 \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u06cc\u0645\u060c \u06cc\u06a9 \u0639\u0644\u0627\u0645\u062a \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>WHERE<\/code> \u0639\u0628\u0627\u0631\u062a:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> query = <span class=\"hljs-string\">`\nSELECT *\nFROM users\nWHERE age&lt;30\n`<\/span>;\n<\/code><\/pre>\n<p>\u0648 \u0633\u067e\u0633\u060c \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u062c\u0631\u0627 \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">client.query(query, <span class=\"hljs-function\">(<span class=\"hljs-params\">err, res<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-keyword\">if<\/span> (err) {\n        <span class=\"hljs-built_in\">console<\/span>.error(err);\n        <span class=\"hljs-keyword\">return<\/span>;\n    }\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> row <span class=\"hljs-keyword\">of<\/span> res.rows) {\n        <span class=\"hljs-built_in\">console<\/span>.log(row);\n    }\n    client.end();\n});\n<\/code><\/pre>\n<p>\u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u062f \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc \u0622\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">{\nemail: '(email\u00a0protected)',\nfirstname: 'john',\nlastname: 'doe',\nage: 21\n}\n<\/code><\/pre>\n<h3 id=\"updatingdata\"><span class=\"ez-toc-section\" id=\"%d8%a8%d9%87_%d8%b1%d9%88%d8%b2_%d8%b1%d8%b3%d8%a7%d9%86%db%8c_%d8%af%d8%a7%d8%af%d9%87_%d9%87%d8%a7\"><\/span>\u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0632 \u0642\u0628\u0644 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 <code>UPDATE<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647:<\/p>\n<pre><code class=\"hljs\">UPDATE (table_name)\n<span class=\"hljs-keyword\">SET<\/span> (column1) <span class=\"hljs-operator\">=<\/span> (value1), (column2) <span class=\"hljs-operator\">=<\/span> (value2), ...\n<span class=\"hljs-keyword\">WHERE<\/span> (<span class=\"hljs-keyword\">condition<\/span>);\n<\/code><\/pre>\n<p>\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0647\u0631 \u0645\u0642\u062f\u0627\u0631 \u0628\u0647 \u0631\u0648\u0632 \u0634\u062f\u0647 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0633\u062a\u0648\u0646 \u0628\u0627 <code>SET<\/code> \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc.  \u0628\u0639\u062f \u0627\u0632 <code>WHERE<\/code> \u0628\u0646\u062f\u060c \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0634\u0631\u0627\u06cc\u0637\u06cc \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06a9\u062f\u0627\u0645 \u0648\u0631\u0648\u062f\u06cc \u0647\u0627 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0631\u0648\u0632 \u0634\u0648\u0646\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u067e\u0631\u0633 \u0648 \u062c\u0648 \u062e\u0648\u062f \u0631\u0627 \u067e\u0631 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> query = <span class=\"hljs-string\">`\nUPDATE users\nSET age = 22\nWHERE email = '(email\u00a0protected)'\n`<\/span>;\n<\/code><\/pre>\n<p>\u062d\u0627\u0644\u0627 \u0628\u06cc\u0627\u06cc\u06cc\u062f \u06a9\u0648\u0626\u0631\u06cc \u0631\u0627 \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\">client.query(query, <span class=\"hljs-function\">(<span class=\"hljs-params\">err, res<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-keyword\">if<\/span> (err) {\n        <span class=\"hljs-built_in\">console<\/span>.error(err);\n        <span class=\"hljs-keyword\">return<\/span>;\n    }\n    <span class=\"hljs-keyword\">if<\/span> (err) {\n        <span class=\"hljs-built_in\">console<\/span>.error(err);\n        <span class=\"hljs-keyword\">return<\/span>;\n    }\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'Data update successful'<\/span>);\n    client.end();\n});\n<\/code><\/pre>\n<p>\u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0642\u0637\u0639\u0647 \u06a9\u062f\u060c \u0648\u0631\u0648\u062f\u06cc \u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0631\u0636\u0627\u06cc\u062a \u0634\u0645\u0627 \u0631\u0627 \u0628\u0631\u0622\u0648\u0631\u062f\u0647 \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0628\u0647 \u0631\u0648\u0632 \u0645\u06cc \u06a9\u0646\u062f <code>WHERE<\/code> \u0628\u0646\u062f \u0648 print \u0628\u06cc\u0631\u0648\u0646:<\/p>\n<pre><code class=\"hljs\">Data update successful\n<\/code><\/pre>\n<p>\u0628\u0631\u0627\u06cc \u062a\u0623\u06cc\u06cc\u062f\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/integrating-postgresql-with-nodejs-using-node-postgres-1.png\" alt=\"postgresql \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062c\u062f\u0648\u0644 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f\" title=\"\"><\/p>\n<h3 id=\"deletingdata\"><span class=\"ez-toc-section\" id=\"%d8%ad%d8%b0%d9%81_%d8%af%d8%a7%d8%af%d9%87_%d9%87%d8%a7\"><\/span>\u062d\u0630\u0641 \u062f\u0627\u062f\u0647 \u0647\u0627<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0628\u0631\u0627\u06cc \u062d\u0630\u0641 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0627\u0632 <code>DELETE<\/code> \u0628\u06cc\u0627\u0646\u06cc\u0647:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">DELETE<\/span> <span class=\"hljs-keyword\">FROM<\/span> (table_name)\n<span class=\"hljs-keyword\">WHERE<\/span> (<span class=\"hljs-keyword\">condition<\/span>);\n<\/code><\/pre>\n<p>\u0645\u0631\u0627\u0642\u0628 \u0627\u06cc\u0646 \u0639\u0628\u0627\u0631\u062a \u0628\u0627\u0634\u06cc\u062f \u0632\u06cc\u0631\u0627 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0647 \u0637\u0648\u0631 \u062a\u0635\u0627\u062f\u0641\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u0622\u0646\u0686\u0647 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u062f \u062d\u0630\u0641 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u067e\u0631\u0633 \u0648 \u062c\u0648 \u062e\u0648\u062f \u0631\u0627 \u067e\u0631 \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> query = <span class=\"hljs-string\">`\nDELETE FROM users\nWHERE email = '(email\u00a0protected)'\n`<\/span>;\n<\/code><\/pre>\n<p>\u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a\u060c \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f:<\/p>\n<pre><code class=\"hljs\">client.query(query, <span class=\"hljs-function\">(<span class=\"hljs-params\">err, res<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-keyword\">if<\/span> (err) {\n        <span class=\"hljs-built_in\">console<\/span>.error(err);\n        <span class=\"hljs-keyword\">return<\/span>;\n    }\n    <span class=\"hljs-keyword\">if<\/span> (err) {\n        <span class=\"hljs-built_in\">console<\/span>.error(err);\n        <span class=\"hljs-keyword\">return<\/span>;\n    }\n    <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'Data delete successful'<\/span>);\n    client.end();\n});\n<\/code><\/pre>\n<p>\u0627\u062c\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u062f \u0648\u0631\u0648\u062f\u06cc \u0631\u0627\u0636\u06cc \u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u062d\u0630\u0641 \u0645\u06cc \u06a9\u0646\u062f <code>WHERE<\/code> \u0628\u0646\u062f \u0648 print \u0628\u06cc\u0631\u0648\u0646:<\/p>\n<pre><code class=\"hljs\">Data delete successful\n<\/code><\/pre>\n<p>\u0628\u0631\u0627\u06cc \u062a\u0623\u06cc\u06cc\u062f\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0646\u06af\u0627\u0647\u06cc \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u0645:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/rasanegar.com\/blog\/wp-content\/uploads\/2024\/01\/integrating-postgresql-with-nodejs-using-node-postgres-7.png\" alt=\"postgresql \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062c\u062f\u0648\u0644 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f\" title=\"\"><\/p>\n<h2 id=\"pooling\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%af%d8%ba%d8%a7%d9%85\"><\/span>\u0627\u062f\u063a\u0627\u0645<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u06af\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u06a9\u0631\u0631 \u0627\u0632 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0627\u062a\u0635\u0627\u0644 \u06a9\u0644\u0627\u06cc\u0646\u062a \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0632\u06cc\u0627\u062f\u06cc \u062f\u0627\u0631\u06cc\u062f\u060c \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u06a9\u0646\u062f \u0645\u06cc \u06a9\u0646\u062f.  \u0633\u0627\u062f\u0647 \u062a\u0631\u06cc\u0646 \u0648 \u0631\u0627\u062d\u062a \u062a\u0631\u06cc\u0646 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u0631\u0641\u0639 \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u0627\u0633\u062a\u062e\u0631 \u0627\u062a\u0635\u0627\u0644 \u0627\u0633\u062a.<\/p>\n<p>\u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0648\u0642\u062a\u06cc \u06cc\u06a9 \u06a9\u0644\u0627\u06cc\u0646\u062a \u062c\u062f\u06cc\u062f \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u062a\u0635\u0644 \u0645\u06cc \u0634\u0648\u062f process \u0628\u0631\u0642\u0631\u0627\u0631\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0648 \u0627\u062d\u0631\u0627\u0632 \u0647\u0648\u06cc\u062a \u062d\u062f\u0648\u062f 20 \u062a\u0627 30 \u0645\u06cc\u0644\u06cc \u062b\u0627\u0646\u06cc\u0647 \u0637\u0648\u0644 \u0645\u06cc \u06a9\u0634\u062f.  \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u062a\u0623\u062e\u06cc\u0631 \u0686\u0646\u062f \u062b\u0627\u0646\u06cc\u0647\u200c\u0627\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a\u060c \u06a9\u0647 \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u0628\u0647 \u06cc\u06a9 \u062a\u062c\u0631\u0628\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0646\u0647\u0627\u06cc\u06cc \u0631\u0636\u0627\u06cc\u062a\u200c\u0628\u062e\u0634 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>\u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0633\u0631\u0648\u0631 PostgreSQL \u062a\u0646\u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u0639\u062f\u0627\u062f \u0645\u062d\u062f\u0648\u062f\u06cc \u0627\u0632 \u0645\u0634\u062a\u0631\u06cc\u0627\u0646 \u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u0627\u0646 \u0645\u0639\u06cc\u0646 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u062f \u06a9\u0647 \u0628\u0633\u062a\u06af\u06cc \u0628\u0647 \u0622\u0646 \u062f\u0627\u0631\u062f \u0631\u0648\u06cc \u062d\u0627\u0641\u0638\u0647 \u0633\u0631\u0648\u0631 \u0634\u0645\u0627  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0627\u06af\u0631 100 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u062f\u0631 \u062d\u0627\u0644 \u0627\u0646\u062c\u0627\u0645 \u0627\u0633\u062a \u0631\u0648\u06cc \u062f\u0631 \u06cc\u06a9 \u062b\u0627\u0646\u06cc\u0647 &#8211; \u0627\u06cc\u0646 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0633\u0631\u0648\u0631 \u0634\u0645\u0627 \u0631\u0627 \u062e\u0631\u0627\u0628 \u06a9\u0646\u062f.<\/p>\n<p>\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0645\u0634\u062a\u0631\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u062f process \u0641\u0642\u0637 \u06cc\u06a9 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u0627\u0646 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0627\u062a\u0635\u0627\u0644 \u0648\u0627\u062d\u062f \u06a9\u0647 \u0633\u0631\u0639\u062a \u06a9\u0627\u0631 \u0631\u0627 \u0628\u06cc\u0634\u062a\u0631 \u06a9\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u0686\u0646\u06cc\u0646 \u0634\u0631\u0627\u06cc\u0637\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 <code>pg-pool<\/code> \u0645\u0627\u0698\u0648\u0644 \u0628\u0631\u0627\u06cc \u062d\u0644 \u0622\u0646<\/p>\n<h3 id=\"creatingapool\"><span class=\"ez-toc-section\" id=\"%d8%a7%db%8c%d8%ac%d8%a7%d8%af_%db%8c%da%a9_%d8%a7%d8%b3%d8%aa%d8%ae%d8%b1\"><\/span>\u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u0627\u0633\u062a\u062e\u0631<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0648\u0644\u06cc\u0646 import \u0631\u0627 <code>Pool<\/code> \u06a9\u0644\u0627\u0633 \u0627\u0632 <code>pg<\/code> \u0645\u062f\u0648\u0644:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> { Pool } = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'pg'<\/span>);\n<\/code><\/pre>\n<p>\u0633\u067e\u0633\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u06cc\u06a9 \u0634\u06cc pool \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> pool = <span class=\"hljs-keyword\">new<\/span> Pool({\n    <span class=\"hljs-attr\">user<\/span>: <span class=\"hljs-string\">'postgres'<\/span>,\n    <span class=\"hljs-attr\">host<\/span>: <span class=\"hljs-string\">'localhost'<\/span>,\n    <span class=\"hljs-attr\">database<\/span>: <span class=\"hljs-string\">'testdb'<\/span>,\n    <span class=\"hljs-attr\">password<\/span>: <span class=\"hljs-string\">'1234abcd'<\/span>,\n    <span class=\"hljs-attr\">port<\/span>: <span class=\"hljs-number\">5432<\/span>,\n});\n<\/code><\/pre>\n<p>\u0627\u06af\u0631 \u0646\u0627\u0645 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0631\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0646\u06a9\u0646\u06cc\u062f\u060c host\u0648 \u0633\u0627\u06cc\u0631 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a\u060c \u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0645\u062d\u06cc\u0637\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0622\u0646\u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u0641\u0627\u06cc\u0644 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f.  \u062a\u0642\u0631\u06cc\u0628\u0627\u064b \u0645\u0634\u0627\u0628\u0647 \u0647\u0646\u06af\u0627\u0645 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06cc\u06a9 \u06a9\u0644\u0627\u06cc\u0646\u062a \u0627\u0633\u062a.<\/p>\n<p>\u0628\u0639\u062f\u060c \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u06cc\u06a9 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u062e\u0637\u0627 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u062e\u0631 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u0645.  \u0627\u06af\u0631 \u062e\u0637\u0627\u06cc\u06cc \u062f\u0631 \u067e\u0631\u062a\u0627\u0628 \u0627\u0632 \u0627\u0633\u062a\u062e\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u067e\u0627\u0633\u062e \u062a\u0645\u0627\u0633 \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0648\u06cc\u062f\u0627\u062f \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<pre><code class=\"hljs\">pool.\u0631\u0648\u06cc(<span class=\"hljs-string\">'error'<\/span>, <span class=\"hljs-function\">(<span class=\"hljs-params\">err, client<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-built_in\">console<\/span>.error(<span class=\"hljs-string\">'Error:'<\/span>, err);\n});\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0645\u0627 \u0631\u0627 \u062f\u0631 \u0635\u0648\u0631\u062a \u0628\u0631\u0648\u0632 \u062e\u0637\u0627\u06cc \u0634\u0628\u06a9\u0647 \u067e\u0648\u0634\u0634 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u0633\u067e\u0633 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>pool<\/code> \u0634\u06cc\u060c \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u062a\u0635\u0644 \u0645\u06cc \u0634\u0648\u06cc\u0645 \u0648 \u0627\u0632 a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 <code>client<\/code> \u062f\u0631 \u0622\u0646 \u0627\u0633\u062a\u062e\u0631 \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u06cc\u06a9 \u067e\u0631\u0633 \u0648 \u062c\u0648:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> query = <span class=\"hljs-string\">`\nSELECT *\nFROM users\n`<\/span>;\n\npool.connect(<span class=\"hljs-function\">(<span class=\"hljs-params\">err, client, done<\/span>) =&gt;<\/span> {\n    <span class=\"hljs-keyword\">if<\/span> (err) <span class=\"hljs-keyword\">throw<\/span> err;\n    client.query(query, <span class=\"hljs-function\">(<span class=\"hljs-params\">err, res<\/span>) =&gt;<\/span> {\n        done();\n        <span class=\"hljs-keyword\">if<\/span> (err) {\n            <span class=\"hljs-built_in\">console<\/span>.log(err.stack);\n        } <span class=\"hljs-keyword\">else<\/span> {\n            <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> row <span class=\"hljs-keyword\">of<\/span> res.rows) {\n                <span class=\"hljs-built_in\">console<\/span>.log(row);\n            }\n        }\n    });\n});\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 \u0628\u0627\u06cc\u062f \u0646\u062a\u06cc\u062c\u0647 \u062f\u0647\u062f:<\/p>\n<pre><code class=\"hljs\">{\n  email: '(email\u00a0protected)',\n  firstname: 'john',\n  lastname: 'doe',\n  age: 21\n}\n{\n  email: '(email\u00a0protected)',\n  firstname: 'anna',\n  lastname: 'dias',\n  age: 35\n}\n<\/code><\/pre>\n<p>\u0628\u0627\u0632 \u0647\u0645\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0648\u0639\u062f\u0647 \u0647\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0645\u0646\u0637\u0642\u06cc \u062a\u0631 \u0627\u0633\u062a:<\/p>\n<pre><code class=\"hljs\">pool.connect()\n    .then(<span class=\"hljs-function\">(<span class=\"hljs-params\">client<\/span>) =&gt;<\/span> {\n        client.query(query)\n            .then(<span class=\"hljs-function\"><span class=\"hljs-params\">res<\/span> =&gt;<\/span> {\n                <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> row <span class=\"hljs-keyword\">of<\/span> res.rows) {\n                    <span class=\"hljs-built_in\">console<\/span>.log(row);\n                }\n            })\n            .catch(<span class=\"hljs-function\"><span class=\"hljs-params\">err<\/span> =&gt;<\/span> {\n                <span class=\"hljs-built_in\">console<\/span>.error(err);\n            });\n    })\n    .catch(<span class=\"hljs-function\"><span class=\"hljs-params\">err<\/span> =&gt;<\/span> {\n        <span class=\"hljs-built_in\">console<\/span>.error(err);\n    });\n<\/code><\/pre>\n<p>\u06cc\u0627 \u062d\u062a\u06cc <code>async\/await<\/code> \u0646\u062d\u0648:<\/p>\n<pre><code class=\"hljs\">(<span class=\"hljs-keyword\">async<\/span> () =&gt; {\n    <span class=\"hljs-keyword\">try<\/span> {\n        <span class=\"hljs-keyword\">const<\/span> client = <span class=\"hljs-keyword\">await<\/span> pool.connect();\n        <span class=\"hljs-keyword\">const<\/span> res = <span class=\"hljs-keyword\">await<\/span> client.query(query);\n\n        <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">let<\/span> row <span class=\"hljs-keyword\">of<\/span> res.rows) {\n            <span class=\"hljs-built_in\">console<\/span>.log(row);\n        }\n    } <span class=\"hljs-keyword\">catch<\/span> (err) {\n        <span class=\"hljs-built_in\">console<\/span>.error(err);\n    }\n})();\n<\/code><\/pre>\n<h2 id=\"usingthecursortoreadlargequeries\"><span class=\"ez-toc-section\" id=\"%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87_%d8%a7%d8%b2_%d9%85%da%a9%d8%a7%d9%86_%d9%86%d9%85%d8%a7_%d8%a8%d8%b1%d8%a7%db%8c_%d8%ae%d9%88%d8%a7%d9%86%d8%af%d9%86_%d9%be%d8%b1%d8%b3_%d9%88_%d8%ac%d9%88%d9%87%d8%a7%db%8c_%d8%a8%d8%b2%d8%b1%da%af\"><\/span>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648\u0647\u0627\u06cc \u0628\u0632\u0631\u06af<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0645\u0639\u0645\u0648\u0644\u0627\u064b \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a\u06cc \u0627\u0632 \u06cc\u06a9 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0645\u06cc \u0634\u0648\u0646\u062f.  \u0647\u0631\u0686\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647 \u0628\u0632\u0631\u06af\u062a\u0631 \u0628\u0627\u0634\u062f\u060c \u0645\u06cc\u0632\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062d\u0627\u0641\u0638\u0647 \u0628\u06cc\u0634\u062a\u0631 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.<\/p>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0648\u0642\u062a\u06cc \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0628\u0632\u0631\u06af\u06cc \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0634\u0627\u0645\u0644 \u0647\u0632\u0627\u0631\u0627\u0646 \u0631\u06a9\u0648\u0631\u062f \u0628\u0627\u0634\u062f\u060c \u067e\u0631\u0633 \u0648 \u062c\u0648 \u06a9\u0646\u06cc\u062f &#8211; \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0647\u0645\u0647 \u0622\u0646 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0628\u0633\u06cc\u0627\u0631 \u0646\u0627\u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a \u0648 \u0627\u063a\u0644\u0628 \u0627\u0648\u0642\u0627\u062a\u060c \u063a\u06cc\u0631\u0645\u0645\u06a9\u0646 \u0627\u0633\u062a.  \u06cc\u06a9 \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u062a\u0639\u062f\u0627\u062f \u0645\u062d\u062f\u0648\u062f\u06cc \u0631\u06a9\u0648\u0631\u062f \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u0627\u0646 \u0628\u0647 \u0634\u0645\u0627 \u062f\u0631 \u0645\u0648\u0642\u0639\u06cc\u062a\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646 \u06a9\u0645\u06a9 \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u0647 \u06cc\u06a9 \u0645\u0639\u0646\u0627\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627 \u0634\u0628\u06cc\u0647 \u0628\u0647 \u062c\u0631\u06cc\u0627\u0646 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a \u0632\u06cc\u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0645\u062a\u0648\u0627\u0644\u06cc \u062f\u0631 \u0628\u0644\u0648\u06a9 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0628\u0647 \u0622\u0646 \u062f\u0633\u062a\u0631\u0633\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0627\u0634\u062a.  \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u06a9\u0627\u0646 \u0646\u0645\u0627\u060c \u0628\u0627\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0646\u0635\u0628 \u06a9\u0646\u06cc\u0645 <code>pg-cursor<\/code> \u0645\u0627\u0698\u0648\u0644 \u0627\u0648\u0644:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-meta\">$<\/span><span class=\"bash\"> npm install --save pg pg-cursor<\/span>\n<\/code><\/pre>\n<p>\u0645\u0627 \u0639\u0628\u0648\u0631 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <code>new Cursor<\/code> \u0628\u0647 <code>query()<\/code> \u062a\u0627\u0628\u0639.  \u0627\u06cc\u0646 <code>cursor<\/code> \u062f\u0631 \u0648\u0627\u0642\u0639 \u0647\u06cc\u0686 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u0631\u0627 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0646\u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0645\u0634\u062e\u0635 \u06a9\u0646\u06cc\u0645 <code>read()<\/code> \u0631\u0648\u0634:<\/p>\n<pre><code class=\"hljs\"><span class=\"hljs-keyword\">const<\/span> { Pool } = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'pg'<\/span>);\n<span class=\"hljs-keyword\">const<\/span> Cursor = <span class=\"hljs-built_in\">require<\/span>(<span class=\"hljs-string\">'pg-cursor'<\/span>);\n\n<span class=\"hljs-keyword\">const<\/span> pool = <span class=\"hljs-keyword\">new<\/span> Pool({\n    <span class=\"hljs-attr\">user<\/span>: <span class=\"hljs-string\">'postgres'<\/span>,\n    <span class=\"hljs-attr\">host<\/span>: <span class=\"hljs-string\">'localhost'<\/span>,\n    <span class=\"hljs-attr\">database<\/span>: <span class=\"hljs-string\">'testdb'<\/span>,\n    <span class=\"hljs-attr\">password<\/span>: <span class=\"hljs-string\">'1234abcd'<\/span>,\n    <span class=\"hljs-attr\">port<\/span>: <span class=\"hljs-number\">5432<\/span>,\n});\n\n(<span class=\"hljs-keyword\">async<\/span> () =&gt; {\n    <span class=\"hljs-keyword\">const<\/span> client = <span class=\"hljs-keyword\">await<\/span> pool.connect();\n    <span class=\"hljs-keyword\">const<\/span> query = <span class=\"hljs-string\">'SELECT * FROM users'<\/span>;\n\n    <span class=\"hljs-keyword\">const<\/span> cursor = <span class=\"hljs-keyword\">await<\/span> client.query(<span class=\"hljs-keyword\">new<\/span> Cursor(query));\n\n    cursor.read(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-function\">(<span class=\"hljs-params\">err, rows<\/span>) =&gt;<\/span> {\n        <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'We got the first row set'<\/span>);\n        <span class=\"hljs-built_in\">console<\/span>.log(rows);\n\n        cursor.read(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-function\">(<span class=\"hljs-params\">err, rows<\/span>) =&gt;<\/span> {\n            <span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">'This is the next row set'<\/span>);\n            <span class=\"hljs-built_in\">console<\/span>.log(rows);\n        });\n    });\n})();\n<\/code><\/pre>\n<p>\u0627\u06cc\u0646 <code>cursor<\/code>&#8216;s <code>read()<\/code> \u0645\u062a\u062f \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0686\u0646\u062f \u0631\u062f\u06cc\u0641 \u0627\u0632 \u062c\u0631\u06cc\u0627\u0646 \u0641\u0639\u0644\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u06a9\u0646\u06cc\u0645 <code>cursor<\/code> \u0646\u0645\u0648\u0646\u0647\u060c \u0645\u062b\u0627\u0644.  \u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 \u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u06af\u06cc\u060c \u0631\u062f\u06cc\u0641 \u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u0631\u06a9\u0648\u0631\u062f \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645.  \u0633\u067e\u0633 \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u06cc\u06af\u0631\u06cc \u0627\u0632 \u0631\u062f\u06cc\u0641 \u0647\u0627 \u0631\u0627 \u0628\u0639\u062f \u0627\u0632 \u0622\u0646 \u062e\u0648\u0627\u0646\u062f\u0647 \u0627\u06cc\u0645.<\/p>\n<p>\u0627\u06af\u0631 \u0628\u0647 \u0627\u0646\u062a\u0647\u0627\u06cc \u0633\u0637\u0631\u0647\u0627 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0633\u06cc\u062f\u0647 \u0627\u06cc\u062f\u060c <code>rows<\/code> \u0622\u0631\u0627\u06cc\u0647 \u0637\u0648\u0644\u06cc \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u0634\u062a <code>0<\/code>.<\/p>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\"><\/span>\u0646\u062a\u06cc\u062c\u0647<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>PostgreSQL \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u0648\u0627\u0642\u0639\u0627\u064b \u0645\u062d\u0628\u0648\u0628\u060c \u0631\u0627\u06cc\u06af\u0627\u0646 \u0648 \u0645\u0646\u0628\u0639 \u0628\u0627\u0632 \u0627\u0633\u062a.  \u0627\u06cc\u0646 <code>node-postgres<\/code> \u0645\u0627\u0698\u0648\u0644 \u06cc\u06a9 \u0645\u0627\u0698\u0648\u0644 \u067e\u0631\u06a9\u0627\u0631\u0628\u0631\u062f \u0648 \u0628\u0627\u0644\u063a \u0627\u0633\u062a \u06a9\u0647 Node.js \u0631\u0627 \u0628\u0647 PostgreSQL \u067e\u06cc\u0648\u0646\u062f \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0627 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 PostgreSQL \u0631\u0627 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0631\u062f\u0647\u200c\u0627\u06cc\u0645 \u0648 \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0648\u0644\u06cc\u0647 CRUD \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0633\u0627\u062f\u0647 Node.js \u062a\u0648\u0633\u0639\u0647 \u062f\u0627\u062f\u0647\u200c\u0627\u06cc\u0645.  \u0633\u067e\u0633\u060c \u0645\u0627 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0627\u0632 \u0627\u062f\u063a\u0627\u0645 \u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0634\u0627\u0646\u06af\u0631\u0647\u0627 \u0628\u0631\u0627\u06cc \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u0634\u062f\u0647 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645.<\/p>\n<p>\u0645\u062b\u0644 \u0647\u0645\u06cc\u0634\u0647 \u06a9\u062f \u0645\u0646\u0628\u0639 \u0645\u0648\u062c\u0648\u062f \u0627\u0633\u062a \u0631\u0648\u06cc <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/github.com\/jkasun\/sa-node-postgres\">GitHub<\/a>.<\/p>\n<\/div>\n<p>    (\u0628\u0631\u0686\u0633\u0628\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u062a\u0631\u062c\u0645\u0647)# \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<br \/>\n<br \/><br \/>\n<br \/>\u0645\u0646\u062a\u0634\u0631 \u0634\u062f\u0647 \u062f\u0631 1403-01-21 13:07:03<br \/>\n<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;16154&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628&quot;,&quot;legend&quot;:&quot;0\\\/5 (0 \u0631\u0627\u06cc)&quot;,&quot;size&quot;:&quot;30&quot;,&quot;title&quot;:&quot;\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 PostgreSQL \u0628\u0627 Node.js \u0648 node-postgres\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0631\u0648\u0634 \u0627\u062f\u063a\u0627\u0645 PostgreSQL \u0628\u0627 Node.js \u0631\u0627 \u0645\u0648\u0631\u062f \u0628\u062d\u062b \u0642\u0631\u0627\u0631 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f.  \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0631\u0627 \u0628\u0647\u062a\u0631 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f\u060c \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062a\u062c\u0631\u0628\u0647 \u0642\u0628\u0644\u06cc \u062f\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631\u0627\u062a Node.js \u0648 SQL \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f.  \u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0627\u0632 \u0646\u062d\u0648 \u0633\u0627\u062f\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a ES6 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.  \u0686\u0646\u062f \u0645\u0634\u062a\u0631\u06cc \u0645\u062e\u062a\u0644\u0641 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f ...&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} ({count} \u0631\u0627\u06cc)&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-left: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 30px; height: 30px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 24px;\">\n            <span class=\"kksr-muted\">\u0627\u0645\u062a\u06cc\u0627\u0632 \u0634\u0645\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u0632\u0645\u0627\u0646 \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u0645\u0637\u0627\u0644\u0639\u0647: <\/span> <span class=\"rt-time\"> 10<\/span> <span class=\"rt-label rt-postfix\">\u062f\u0642\u06cc\u0642\u0647<\/span><\/span>\u0645\u0639\u0631\u0641\u06cc \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0631\u0648\u0634 \u0627\u062f\u063a\u0627\u0645 PostgreSQL \u0628\u0627 Node.js \u0631\u0627 \u0645\u0648\u0631\u062f \u0628\u062d\u062b \u0642\u0631\u0627\u0631 \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u062f. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0631\u0627 \u0628\u0647\u062a\u0631 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f\u060c \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062a\u062c\u0631\u0628\u0647 \u0642\u0628\u0644\u06cc \u062f\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631\u0627\u062a Node.js \u0648 SQL \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f. \u0645\u0627 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0627\u0632 \u0646\u062d\u0648 \u0633\u0627\u062f\u0647 \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a ES6 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f. \u0686\u0646\u062f \u06a9\u0644\u0627\u06cc\u0646\u062a \u0645\u062e\u062a\u0644\u0641 \u0648\u062c\u0648\u062f [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1772,620],"tags":[],"class_list":["post-16154","post","type-post","status-publish","format-standard","hentry","category-javascript","category-programming"],"acf":[],"_links":{"self":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/16154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/comments?post=16154"}],"version-history":[{"count":0,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/posts\/16154\/revisions"}],"wp:attachment":[{"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/media?parent=16154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/categories?post=16154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rasanegaar.com\/blog\/wp-json\/wp\/v2\/tags?post=16154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}