{"id":113031,"date":"2024-01-21T17:28:02","date_gmt":"2024-01-21T15:28:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-sqlite-3-45"},"modified":"2024-01-21T17:28:02","modified_gmt":"2024-01-21T15:28:02","slug":"vypusk-subd-sqlite-3-45","status":"publish","type":"post","link":"https:\/\/prohoster.info\/en\/blog\/news\/vypusk-subd-sqlite-3-45","title":{"rendered":"Release of SQLite DBMS 3.45","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>The release of SQLite 3.45 has been published, a lightweight DBMS designed as a dynamic library. The SQLite code is released into the public domain, meaning it can be used freely and without restrictions for any purpose. Financial support for the SQLite developers is provided by a specially formed consortium, which includes companies such as Bentley, Bloomberg, Expensify, and Navigation Data Standard.    <\/p>\n<p>Key Changes:  <\/p>\n<ul>\n<li class=\"l\"> All SQL functions for working with JSON format have been rewritten and translated into a new internal JSONB parse tree format, which is serialized and can be stored in the database to avoid re-parsing when using JSON values. The new versions of the functions that generate JSON now produce a binary JSONB format instead of text. The function json_valid() has been enhanced with an optional second argument, allowing for a bitmask to specify valid JSON characteristics (for example, specifying 0x04 will recognize JSONB blobs as valid, while 0x01 will validate text JSON in RFC-8259 format, and 0x05 will consider both formats valid).\n<li class=\"l\"> The virtual table FTS5, used for full-text search, has added the tokendata option, allowing for custom tokenizers.\n<li class=\"l\"> By default, SQLITE_DIRECT_OVERFLOW_READ optimization is enabled, allowing overflow pages, which are larger than the standard b-tree page size, to be read directly from the file, bypassing the cache. To disable this during compilation, the option \"-DSQLITE_DIRECT_OVERFLOW_READ=0\" can be used.\n<li class=\"l\"> The query planner has improved the efficiency of transitive constraint optimization and enhanced index ignoring for those deemed low-quality during the ANALYZE operation.\n<li class=\"l\"> The command line interface has improved the display of content in UTF-8 encoding on Windows platforms. Automatic detection of the CLI interface is provided when executing '.dump' scripts, along with the corresponding modifications to settings such as '.dbconfig defensive off' and '.dbconfig dqs_dll on'.\n<li class=\"l\"> User-defined SQL functions now include the SQLITE_RESULT_SUBTYPE property, allowing for invocation from the sqlite3_result_subtype() function to inspect argument subtypes.      <\/ul>\n<p>Additionally, it is worth noting the development of a new transaction logging mode in experimental SQLite builds \u2014 WAL2 (\"PRAGMA journal_mode = wal2\"), which utilizes two WAL files (\"database-wal\" and \"database-wal2\") instead of one. When writing data to the database, new data is added to the first WAL file. If the first WAL file reaches a sufficiently large size, the write operation switches to the second file. After switching to the second WAL file, the first one becomes available for checkpointing and overwriting. Accordingly, when the second WAL file reaches a large size, the system switches back to the first, and so on, addressing the issue of uncontrolled WAL file growth in situations where transactions are not committed for a long time or extended reading processes are performed.<br \/>\n<br \/>Source: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60460\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 SQLite 3.45, \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u043e\u0439 \u0421\u0423\u0411\u0414, \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0439 \u0432 \u0432\u0438\u0434\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u043c\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u041a\u043e\u0434 SQLite \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), \u0442.\u0435. \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0431\u0435\u0437 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0439 \u0438 \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432 \u043b\u044e\u0431\u044b\u0445 \u0446\u0435\u043b\u044f\u0445. \u0424\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 SQLite \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0439 \u043a\u043e\u043d\u0441\u043e\u0440\u0446\u0438\u0443\u043c, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u0445\u043e\u0434\u044f\u0442 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Bentley, Bloomberg, Expensify \u0438 Navigation Data Standard. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0412\u0441\u0435 SQL-\u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-113031","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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