{"id":1351,"date":"2024-09-29T11:55:41","date_gmt":"2024-09-29T08:55:41","guid":{"rendered":"https:\/\/aristov.tech\/blog\/?p=1351"},"modified":"2024-09-29T11:55:44","modified_gmt":"2024-09-29T08:55:44","slug":"chto-novogo-v-postgresql-17","status":"publish","type":"post","link":"https:\/\/aristov.tech\/blog\/chto-novogo-v-postgresql-17\/","title":{"rendered":"\u0427\u0442\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0432 PostgreSQL 17"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.postgresql.org\/about\/news\/postgresql-17-released-2936\/\">\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437&nbsp;17 \u0432\u0435\u0440\u0441\u0438\u0438 \u0421\u0423\u0411\u0414 PostgreSQL.<\/a> \u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f.<\/p>\n\n\n\n<p>\u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438\u00a0\u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0430 \u043e\u0431\u0449\u0430\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u043e\u0435 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u044c\u044e \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 VACUUM, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0443, \u0432\u043d\u0435\u0441\u0435\u043d\u044b \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0432\u044b\u0441\u043e\u043a\u0438\u043c\u0438 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u043c\u0438 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0430\u043c\u0438, \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u044b \u043c\u0430\u0441\u0441\u043e\u0432\u0430\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0430 \u0438 \u044d\u043a\u0441\u043f\u043e\u0440\u0442, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0441 \u0438\u043d\u0434\u0435\u043a\u0441\u0430\u043c\u0438. \u0412 PostgreSQL 17 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u0430 SQL\/JSON &#8212; <a href=\"https:\/\/www.postgresql.org\/docs\/current\/functions-json.html#FUNCTIONS-SQLJSON-TABLE\">JSON_TABLE<\/a>, \u0443\u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0430 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0440\u0435\u043f\u043b\u0438\u043a\u0430\u0446\u0438\u044f.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u041f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438<\/strong><\/p>\n\n\n\n<p>\u0414\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 VACUUM \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432, \u0432 \u0447\u0430\u0441\u0442\u043d\u043e\u0441\u0442\u0438 <a href=\"https:\/\/www.postgresql.org\/docs\/current\/runtime-config-resource.html#GUC-MAINTENANCE-WORK-MEM\">MAINTENANCE_WORK_MEM<\/a>. \u0412 17 \u0432\u0435\u0440\u0441\u0438\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 \u0434\u043b\u044f \u0432\u0430\u043a\u0443\u0443\u043c\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0442\u0440\u0430\u0442\u0438\u0442\u044c \u0434\u043e 20 \u0440\u0430\u0437 \u043c\u0435\u043d\u044c\u0448\u0435 \u043f\u0430\u043c\u044f\u0442\u0438, \u0447\u0442\u043e \u0441\u043e\u043a\u0440\u0430\u0449\u0430\u0435\u0442 \u0432\u0440\u0435\u043c\u044f \u0440\u0430\u0431\u043e\u0442\u044b VACUUM.<\/p>\n\n\n\n<p>\u041f\u0440\u0438 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u0445 \u0440\u0430\u0431\u043e\u0447\u0438\u0445 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0430\u0445 \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u0430\u044f \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c \u0432\u0432\u043e\u0434\u0430 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0430 \u0434\u043e 2 \u0440\u0430\u0437 \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f\u043c \u0432 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435\u00a0<a href=\"https:\/\/www.postgresql.org\/docs\/17\/wal-intro.html\">WAL.<\/a>\u00a0<\/p>\n\n\n\n<p>\u041d\u043e\u0432\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u043f\u043e\u0442\u043e\u043a\u043e\u0432\u043e\u0433\u043e \u0432\u0432\u043e\u0434\u0430-\u0432\u044b\u0432\u043e\u0434\u0430 \u0443\u0441\u043a\u043e\u0440\u044f\u0435\u0442 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 (\u0447\u0442\u0435\u043d\u0438\u0435 \u0432\u0441\u0435\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u0437 \u0442\u0430\u0431\u043b\u0438\u0446\u044b) \u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435\u00a0<a href=\"https:\/\/www.postgresql.org\/docs\/17\/sql-analyze.html\"><code>ANALYZE<\/code><\/a>.<\/p>\n\n\n\n<p>\u0423\u043b\u0443\u0447\u0448\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0441 \u0438\u043d\u0434\u0435\u043a\u0441\u0430\u043c\u0438 &#8212; \u0443\u0441\u043a\u043e\u0440\u0435\u043d default \u0438\u043d\u0434\u0435\u043a\u0441 <a href=\"https:\/\/www.postgresql.org\/docs\/17\/indexes-types.html#INDEXES-TYPES-BTREE\">B-tree<\/a>, \u0430 <a href=\"https:\/\/www.postgresql.org\/docs\/17\/brin.html\">BRIN<\/a>&nbsp;\u0442\u0435\u043f\u0435\u0440\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u0443\u044e \u0440\u0430\u0431\u043e\u0442\u0443. \u0422\u0430\u043a\u0436\u0435 \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u043e \u043f\u043b\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432: \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u044b NOT NULL \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 \u0438 \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u044b\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u0420\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439<\/strong><\/p>\n\n\n\n<p>\u0412 17 \u0432\u0435\u0440\u0441\u0438\u0438 PostgreSQL \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 SQL\/JSON. \u0422\u0435\u043f\u0435\u0440\u044c \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a\u043e\u043c\u0430\u043d\u0434\u044b <a href=\"https:\/\/www.postgresql.org\/docs\/17\/functions-json.html#FUNCTIONS-SQLJSON-TABLE\"><code>JSON_TABLE<\/code><\/a> \u043c\u043e\u0436\u043d\u043e \u043a\u043e\u043d\u0432\u0435\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0438\u0437 JSON.<\/p>\n\n\n\n<p>PostgreSQL 17 \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442&nbsp;<a href=\"https:\/\/www.postgresql.org\/docs\/17\/functions-json.html#FUNCTIONS-JSON-CREATION-TABLE\">SQL\/JSON \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438<\/a>&nbsp;(<code>JSON<\/code>,&nbsp;<code>JSON_SCALAR<\/code>,&nbsp;<code>JSON_SERIALIZE<\/code>) \u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438&nbsp;(<code>JSON_EXISTS<\/code>,&nbsp;<code>JSON_QUERY<\/code>,&nbsp;<code>JSON_VALUE<\/code>).<\/p>\n\n\n\n<p>\u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043d\u043e\u0432\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0432 MERGE &#8212; RETURNING \u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 VIEW. \u0414\u043e \u0434\u0432\u0443\u0445 \u0440\u0430\u0437 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0430 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u043c\u0430\u0441\u0441\u043e\u0432\u043e\u0439 \u0432\u0441\u0442\u0430\u0432\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e COPY. \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043e\u043f\u0446\u0438\u044f ON_ERROR.<\/p>\n\n\n\n<p>\u0420\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u044b \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0432 \u043f\u0430\u0440\u0442\u0438\u0446\u0438\u044f\u0445 \u0438 \u043d\u0430 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u044b\u0445 \u0438\u043d\u0441\u0442\u0430\u043d\u0441\u0430\u0445 PostgreSQL. <a href=\"https:\/\/www.postgresql.org\/docs\/17\/postgres-fdw.html\"><code>postgres_fdw<\/code><\/a>, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043d\u0430 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u044b\u0445 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0430\u0445 PostgreSQL, \u0442\u0435\u043f\u0435\u0440\u044c \u043c\u043e\u0436\u0435\u0442 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u043f\u043e\u0434\u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043d\u0430 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u044b\u0439 \u0441\u0435\u0440\u0432\u0435\u0440 \u0434\u043b\u044f \u0431\u043e\u043b\u0435\u0435 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u0423\u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0440\u0435\u043f\u043b\u0438\u043a\u0430\u0446\u0438\u0438<\/strong><\/p>\n\n\n\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043d\u0435 \u043d\u0443\u0436\u043d\u043e \u043e\u0442\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c\u0441\u044f \u043e\u0442 \u0441\u043b\u043e\u0442\u043e\u0432 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0440\u0435\u043f\u043b\u0438\u043a\u0430\u0446\u0438\u0438, \u0447\u0442\u043e \u0443\u043f\u0440\u043e\u0449\u0430\u0435\u0442 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0440\u0435\u043f\u043b\u0438\u043a\u0430\u0446\u0438\u0438.<\/p>\n\n\n\n<p>PostgreSQL 17 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043e\u0442\u043a\u0430\u0437\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c\u044e \u0434\u043b\u044f \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0440\u0435\u043f\u043b\u0438\u043a\u0430\u0446\u0438\u0438, \u0447\u0442\u043e \u043f\u043e\u0432\u044b\u0448\u0430\u0435\u0442 \u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c \u043f\u0440\u0438 \u0440\u0430\u0437\u0432\u0435\u0440\u0442\u044b\u0432\u0430\u043d\u0438\u0438 \u0432 \u0441\u0440\u0435\u0434\u0430\u0445 \u0441 \u0432\u044b\u0441\u043e\u043a\u0438\u043c \u0443\u0440\u043e\u0432\u043d\u0435\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u0438. <\/p>\n\n\n\n<p>\u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u00a0<a href=\"https:\/\/www.postgresql.org\/docs\/17\/app-pgcreatesubscriber.html\"><code>\u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439<\/code><\/a>\u00a0\u0441\u0442\u0440\u043e\u043a\u0438 pg_createsubscriber \u0434\u043b\u044f \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0440\u0435\u043f\u043b\u0438\u043a\u0438 \u0432 \u043d\u043e\u0432\u0443\u044e \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0443\u044e \u0440\u0435\u043f\u043b\u0438\u043a\u0443.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u0411\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c \u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/www.postgresql.org\/docs\/17\/app-pgbasebackup.html\">pg_basebackup<\/a> &#8212; \u0443\u0442\u0438\u043b\u0438\u0442\u0430 \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0433\u043e \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f &#8212; \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 <strong>\u0438\u043d\u043a\u0440\u0435\u043c\u0435\u043d\u0442\u043d\u043e\u0435<\/strong> \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0435 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435. <\/p>\n\n\n\n<p>\u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430<a href=\"https:\/\/www.postgresql.org\/docs\/17\/app-pgcombinebackup.html\"> \u0443\u0442\u0438\u043b\u0438\u0442\u0430 pg_combinebackup<\/a>\u00a0\u0434\u043b\u044f \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u043d\u043e\u0439 \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0439 \u043a\u043e\u043f\u0438\u0438.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.postgresql.org\/docs\/17\/app-pgdump.html\">\u0412 pg_dump<\/a>\u00a0\u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043e\u043f\u0446\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0432\u044b\u0431\u0440\u0430\u0442\u044c, \u043a\u0430\u043a\u0438\u0435 \u043e\u0431\u044a\u0435\u043a\u0442\u044b \u0431\u0443\u0434\u0443\u0442 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u044b \u0432\u043e \u0432\u0440\u0435\u043c\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 dump \u0444\u0430\u0439\u043b\u0430.<\/p>\n\n\n\n<p>\u0423\u043b\u0443\u0447\u0448\u0435\u043d\u044b \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u043d\u0433\u0430 \u0438 \u0430\u043d\u0430\u043b\u0438\u0437\u0430. <a href=\"https:\/\/www.postgresql.org\/docs\/17\/sql-explain.html\">EXPLAIN<\/a>\u00a0\u0442\u0435\u043f\u0435\u0440\u044c \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u0432\u0440\u0435\u043c\u044f, \u0437\u0430\u0442\u0440\u0430\u0447\u0435\u043d\u043d\u043e\u0435 \u043d\u0430 \u0447\u0442\u0435\u043d\u0438\u0435 \u0438 \u0437\u0430\u043f\u0438\u0441\u044c \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u0431\u043b\u043e\u043a\u043e\u0432 \u0432\u0432\u043e\u0434\u0430-\u0432\u044b\u0432\u043e\u0434\u0430, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u044f \u0434\u0432\u0435 \u043e\u043f\u0446\u0438\u0438 &#8212; <code>SERIALIZE<\/code>\u00a0\u0438\u00a0<code>MEMORY<\/code>. <\/p>\n\n\n\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u043c\u043e\u0436\u043d\u043e \u0443\u0437\u043d\u0430\u0442\u044c \u043e\u00a0<a href=\"https:\/\/www.postgresql.org\/docs\/17\/progress-reporting.html#VACUUM-PROGRESS-REPORTING\">\u0445\u043e\u0434\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f VACUUM<\/a>, \u0442\u0430\u043a\u0436\u0435 \u043d\u043e\u0432\u044b\u0439 \u0432\u0438\u0434\u00a0<a href=\"https:\/\/www.postgresql.org\/docs\/17\/view-pg-wait-events.html\"><code>pg_wait_events<\/code><\/a> \u0432 \u0441\u043e\u0447\u0435\u0442\u0430\u043d\u0438\u0438 \u0441\u00a0<a href=\"https:\/\/www.postgresql.org\/docs\/17\/monitoring-stats.html#MONITORING-PG-STAT-ACTIVITY-VIEW\"><code>pg_stat_activity<\/code><\/a>\u00a0\u0434\u0430\u0435\u0442 \u0431\u043e\u043b\u044c\u0448\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.postgresql.org\/docs\/17\/release-17.html\">\u041e\u0441\u0442\u0430\u043b\u044c\u043d\u044b\u0435 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f \u0437\u0434\u0435\u0441\u044c<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437&nbsp;17 \u0432\u0435\u0440\u0441\u0438\u0438 \u0421\u0423\u0411\u0414 PostgreSQL. \u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438\u00a0\u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0430 \u043e\u0431\u0449\u0430\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u043e\u0435 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u044c\u044e \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 VACUUM, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0443, \u0432\u043d\u0435\u0441\u0435\u043d\u044b \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0432\u044b\u0441\u043e\u043a\u0438\u043c\u0438 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u043c\u0438 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0430\u043c\u0438, \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u044b \u043c\u0430\u0441\u0441\u043e\u0432\u0430\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0430 \u0438 \u044d\u043a\u0441\u043f\u043e\u0440\u0442, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0441 \u0438\u043d\u0434\u0435\u043a\u0441\u0430\u043c\u0438. \u0412 PostgreSQL 17 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u0430 SQL\/JSON &#8212; JSON_TABLE, \u0443\u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0430 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0430\u044f [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[348,347,349,196,16,346,81,39],"class_list":["post-1351","post","type-post","status-publish","format-standard","hentry","category-1","tag-analyze","tag-explain","tag-json","tag-merge","tag-postgresql","tag-vacuum","tag-wal","tag-proizvoditelnost"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0427\u0442\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0432 PostgreSQL 17 - \u0411\u043b\u043e\u0433 \u043f\u043e \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0435 \u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 PostgreSQL \u043e\u0442 \u0410\u0440\u0438\u0441\u0442\u043e\u0432\u0430 \u0415\u0432\u0433\u0435\u043d\u0438\u044f<\/title>\n<meta name=\"description\" content=\"\u0412 \u0441\u0442\u0430\u0442\u044c\u0435 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u043d\u043e\u0432\u043e\u0432\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0432 17-\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 PostgreSQL - \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u0435 VACUUM, \u0440\u0430\u0431\u043e\u0442\u0430 \u0441 JSON, \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f EXPLAIN \u0438 ANALYZE.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aristov.tech\/blog\/chto-novogo-v-postgresql-17\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0427\u0442\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0432 PostgreSQL 17 - \u0411\u043b\u043e\u0433 \u043f\u043e \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0435 \u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 PostgreSQL \u043e\u0442 \u0410\u0440\u0438\u0441\u0442\u043e\u0432\u0430 \u0415\u0432\u0433\u0435\u043d\u0438\u044f\" \/>\n<meta property=\"og:description\" content=\"\u0412 \u0441\u0442\u0430\u0442\u044c\u0435 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u043d\u043e\u0432\u043e\u0432\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0432 17-\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 PostgreSQL - \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u0435 VACUUM, \u0440\u0430\u0431\u043e\u0442\u0430 \u0441 JSON, \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f EXPLAIN \u0438 ANALYZE.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aristov.tech\/blog\/chto-novogo-v-postgresql-17\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0411\u043b\u043e\u0433 \u043f\u043e \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0435 \u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 PostgreSQL \u043e\u0442 \u0410\u0440\u0438\u0441\u0442\u043e\u0432\u0430 \u0415\u0432\u0433\u0435\u043d\u0438\u044f\" \/>\n<meta property=\"article:published_time\" content=\"2024-09-29T08:55:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-09-29T08:55:44+00:00\" \/>\n<meta name=\"author\" content=\"Maria\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c\" \/>\n\t<meta name=\"twitter:data1\" content=\"Maria\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 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