{"id":901,"date":"2023-08-17T12:37:24","date_gmt":"2023-08-17T12:37:24","guid":{"rendered":"https:\/\/www.linuxsystems.ovh\/?p=901"},"modified":"2023-09-04T08:58:52","modified_gmt":"2023-09-04T08:58:52","slug":"sprawdzenie-ile-rekordow-zostanie-usunietych-przez-vacuum-full-po-zrobieniu-vacuum","status":"publish","type":"post","link":"https:\/\/www.linuxsystems.ovh\/?p=901","title":{"rendered":"Sprawdzenie ile rekord\u00f3w zostanie usuni\u0119tych przez VACUUM FULL po zrobieniu VACUUM"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Komenda w postgresie s\u0142u\u017c\u0105ca do sprawdzenia ile rekord\u00f3w zostanie usuni\u0119tych przez VACUUM FULL po zrobieniu VACUUM:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u00a0\u0141\u0105czymy si\u0119\u00a0do bazy:\n\\c baza\nselect relname, n_tup_del FROM pg_stat_all_tables where relname='nazwa_tabeli';\n  relname   | n_tup_del\n------------------------\n nazwa_tabeli | 234<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">W powy\u017cszym przyk\u0142adzie zostanie usuni\u0119tych 234 rekord\u00f3w z tabeli po zrobieniu VACUUM FULL.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Komenda w postgresie s\u0142u\u017c\u0105ca do sprawdzenia ile rekord\u00f3w zostanie usuni\u0119tych przez VACUUM FULL po zrobieniu VACUUM: W powy\u017cszym przyk\u0142adzie zostanie usuni\u0119tych 234 rekord\u00f3w z tabeli po zrobieniu VACUUM FULL.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-901","post","type-post","status-publish","format-standard","hentry","category-postgresql"],"_links":{"self":[{"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/posts\/901","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=901"}],"version-history":[{"count":2,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/posts\/901\/revisions"}],"predecessor-version":[{"id":903,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=\/wp\/v2\/posts\/901\/revisions\/903"}],"wp:attachment":[{"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=901"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxsystems.ovh\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}