{"id":164600,"date":"2026-03-14T11:12:15","date_gmt":"2026-03-14T09:12:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/sqlite-3-51-3-s-ispravleniem-vozmozhnogo-povrezhdeniya-bazy-dannyh-v-rezhime-wal"},"modified":"2026-03-14T11:12:15","modified_gmt":"2026-03-14T09:12:15","slug":"sqlite-3-51-3-s-ispravleniem-vozmozhnogo-povrezhdeniya-bazy-dannyh-v-rezhime-wal","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/sqlite-3-51-3-s-ispravleniem-vozmozhnogo-povrezhdeniya-bazy-dannyh-v-rezhime-wal","title":{"rendered":"SQLite 3.51.3 sa ispravkom mogu\u0107eg o\u0161te\u0107enja baze podataka u WAL re\u017eimu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"SQLite 3.51.3 sa ispravkom mogu\u0107eg o\u0161te\u0107enja baze podataka u WAL re\u017eimu\" src=\"\/wp-content\/uploads\/2026\/03\/3c442654f8b6d86974735255e8214cfe.jpg\" style=\"display:block;margin: 0 auto;\" \/>                              <noindex>      <noindex><\/p>\n<p>13. marca je izdan korektivni ispravak 3.51.3 kompaktne ugra\u0111ene DBMS. <a rel=\"nofollow\" href=\"https:\/\/sqlite.org\">SQLite<\/a>. Kod projekta je napisan u C jeziku i distribuira se kao javna domena (public domain).<\/p>\n<p><\/noindex><\/noindex> <noindex><\/p>\n<p>Zbog problema sa unazadnom kompatibilno\u0161\u0107u povezanih s nekim novim funkcijama, verzija <a rel=\"nofollow\" href=\"https:\/\/sqlite.org\/releaselog\/3_52_0.html\">3.52.0<\/a> (izdata 6. marta) je povu\u010dena.<\/p>\n<p><\/noindex>  <\/p>\n<p>Spisak izmena verzije 3.51.3:<\/p>\n<ul>\n<li>3. marta jedan od razvija\u010da SQLite (Dan) je otkrio i ispravio gre\u0161ku koja je u retkim slu\u010dajevima mogla dovesti do o\u0161te\u0107enja baze podataka i nazvana je <a rel=\"nofollow\" href=\"https:\/\/sqlite.org\/wal.html#walresetbug\">&laquo;WAL-reset napaka&raquo;<\/a>:\n<ul>\n<li>Ova gre\u0161ka se javlja samo u bazama podataka koje rade u WAL re\u017eimu, ako je na istom fajlu otvoreno dvoje ili vi\u0161e konekcija u razli\u010ditim nitima ili procesima, i ako te dve konekcije poku\u0161avaju istovremeno da izvr\u0161e zapis ili kreiraju kontrolnu ta\u010dku.<\/li>\n<li>Gre\u0161ka je povezana sa sukobom pristupa podacima pod strogim vremenskim ograni\u010denjima. U uobi\u010dajenim uslovima rada se javlja veoma retko. Razvija\u010dima nije uspelo da reprodukuju ovu gre\u0161ku u prirodnim uslovima, tako da su morali da dodaju posebnu logiku testiranja u SQLite, koja namerno stvara uslove za pojavu gre\u0161ke kako bi osigurali da je problem re\u0161en.<\/li>\n<li>Gre\u0161ka se javlja kada:\n<ol>\n<li>Jedna konekcija vr\u0161i proveru kontrolne ta\u010dke. Ova prva provera mora biti zavr\u0161ena. Drugim re\u010dima, tokom provere je potrebno uspe\u0161no kopirati sav sadr\u017eaj fajla WAL nazad u bazu podataka i dovesti fajl WAL u stanje u kojem se mo\u017ee resetovati.<\/li>\n<li>Odmah nakon zavr\u0161etka prve kontrolne ta\u010dke pokre\u0107e se druga.<\/li>\n<li>Dok se pokre\u0107e druga kontrolna ta\u010dka iz koraka 2, druga konekcija na bazu podataka evidentira transakciju koja resetuje fajl WAL i upisuje novi sadr\u017eaj na po\u010detak fajla WAL.<\/li>\n<li>Zbog sukoba pristupa podacima druga kontrolna ta\u010dka iz koraka 2 ne uzima u obzir da je fajl WAL resetovan kao rezultat evidentiranja transakcije u koraku 3. Druga kontrolna ta\u010dka postavlja pogre\u0161nu vrednost za jedno od polja u zaglavlju indeksa WAL. Ovo polje ozna\u010dava da je deo fajla WAL ve\u0107 zabele\u017een u kontrolnoj ta\u010dki, iako to zapravo nije ta\u010dno.<\/li>\n<li>Fiksacija dodatnih transakcij vodi do pove\u0107anja broja stranica u WAL datoteci, koje prema\u0161uju broj stranica koje su postojale u trenutku prve kontrolne ta\u010dke iz koraka 1.<\/li>\n<li>Kasnije, kada se dogodi tre\u0107a kontrolna ta\u010dka, ona propu\u0161ta celu ili deo transakcije zabele\u017eene u koraku 3. Tako, delovi transakcije iz koraka 3 nikada ne zavr\u0161e u datoteci baze podataka, \u0161to dovodi do o\u0161te\u0107enja datoteke baze podataka.<\/li>\n<\/ol>\n<\/li>\n<li>Gre\u0161ka je verovatno prisutna u svim verzijama SQLite-a, po\u010dev\u0161i od 3.7.0 (21.07.2010) do 3.51.2. Tako\u0111e su objavljena ispravka za neke ranije verzije: <a rel=\"nofollow\" href=\"https:\/\/sqlite.org\/src\/info\/863c171b76cd36e0\">3.44.6<\/a> in <a rel=\"nofollow\" href=\"https:\/\/sqlite.org\/src\/info\/c7facf7ac58d2cda\">3.50.7<\/a>.<\/li>\n<\/ul>\n<\/li>\n<li>Ostale manje ispravke.<\/li>\n<\/ul>\n<p>Izvor: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/opensource\/18241537\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>13-\u0433\u043e \u043c\u0430\u0440\u0442\u0430 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a 3.51.3 \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u043e\u0439 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0421\u0423\u0411\u0414 SQLite. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 C \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u0434\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 (public domain). \u0412 \u0441\u0432\u044f\u0437\u0438 \u0441 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430\u043c\u0438 \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u0439 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u043c\u0438 \u0441 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u043c\u0438 \u043d\u043e\u0432\u044b\u043c\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u043c\u0438, \u0432\u0435\u0440\u0441\u0438\u044f 3.52.0 (\u0432\u044b\u0448\u0435\u0434\u0448\u0430\u044f 6-\u0433\u043e \u043c\u0430\u0440\u0442\u0430) \u0431\u044b\u043b\u0430 \u043e\u0442\u043e\u0437\u0432\u0430\u043d\u0430. \u0421\u043f\u0438\u0441\u043e\u043a \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 3.51.3: 3-\u0433\u043e \u043c\u0430\u0440\u0442\u0430 \u043e\u0434\u0438\u043d \u0438\u0437 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 SQLite (Dan) \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u043b \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0438\u043b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":164601,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-164600","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\".\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Erik Peterson\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/sl\/blog\/news\/sqlite-3-51-3-s-ispravleniem-vozmozhnogo-povrezhdeniya-bazy-dannyh-v-rezhime-wal\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"sl_SI\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47SQLite 3.51.3 \u0441 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0433\u043e \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044f \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 WAL | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\".\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/sl\/blog\/news\/sqlite-3-51-3-s-ispravleniem-vozmozhnogo-povrezhdeniya-bazy-dannyh-v-rezhime-wal\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-03-14T09:12:15+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-03-14T09:12:15+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47SQLite 3.51.3 sa ispravkom mogu\u0107eg o\u0161te\u0107enja baze podataka u WAL re\u017eimu | ProHoster","description":".","canonical_url":"https:\/\/prohoster.info\/sl\/blog\/news\/sqlite-3-51-3-s-ispravleniem-vozmozhnogo-povrezhdeniya-bazy-dannyh-v-rezhime-wal","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sl_SI","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47SQLite 3.51.3 \u0441 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0433\u043e \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044f \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 WAL | ProHoster","og:description":".","og:url":"https:\/\/prohoster.info\/sl\/blog\/news\/sqlite-3-51-3-s-ispravleniem-vozmozhnogo-povrezhdeniya-bazy-dannyh-v-rezhime-wal","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2026-03-14T09:12:15+00:00","article:modified_time":"2026-03-14T09:12:15+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/sl\/wp-json\/wp\/v2\/posts\/164600","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sl\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sl\/wp-json\/wp\/v2\/comments?post=164600"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sl\/wp-json\/wp\/v2\/posts\/164600\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sl\/wp-json\/wp\/v2\/media\/164601"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sl\/wp-json\/wp\/v2\/media?parent=164600"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sl\/wp-json\/wp\/v2\/categories?post=164600"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sl\/wp-json\/wp\/v2\/tags?post=164600"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}