| Version | Change log |
| SQLite Expert Profesional 3.47.0 Oct 22, 2024 |
Allow arbitrary expressions in the second argument to the RAISE function. If the RHS of the ->> operator is negative, then access array elements counting from the right. Fix a problem with rolling back hot journal files in the seldom-used unix-dotfile VFS. FTS5 tables can now be dropped even if they use a non-standard tokenizer that has not been registered. Fix the group_concat() aggregate function so that it returns an empty string, not a NULL, if it receives a single input value which is an empty string. Enhance the generate_series() table-valued function so that it is able to recognize and use constraints on its output value. Preupdate hooks now recognize when a column added by ALTER TABLE ADD COLUMN has a non-null default value. Performance optimizations: Improved reuse of subqueries associated with the IN operator, especially when the IN operator has been duplicated due to predicate push-down. Use a Bloom filter on subqueries on the right-hand side of the IN operator, in cases where that seems likely to improve performance. Ensure that queries like "SELECT func(a) FROM tab GROUP BY 1" only invoke the func() function once per row. No attempt is made to create automatic indexes on a column that is known to be non-selective because of its use in other indexes that have been analyzed. Adjustments to the query planner so that it produces better plans for star queries with a large number of dimension tables. Add the "order-by-subquery" optimization, that seeks to disable sort operations in outer queries if the desired order is obtained naturally due to ORDER BY clauses in subqueries. The "indexed-subtype-expr" optimization strives to use expressions that are part of an index rather than recomputing the expression based on table values, as long as the query planner can prove that the subtype of the expression will never be used. Miscellaneous coding tweaks for faster runtimes. Enhancements to SQLite-related command-line programs: Ad |
| SQLite Expert Profesional 3.46.1 Aug 13, 2024 |
Improved robustness while parsing the tokenize= arguments in FTS5. Forum post 171bcc2bcd. Enhancements to covering index prediction in the query planner. Add early detection of over-prediction of covering indexes so that sqlite3_prepare() will return an error rather than just generate bad bytecode. Forum post e60e4c295d22f8ce. Do not let the number of terms on a VALUES clause be limited by SQLITE_LIMIT_COMPOUND_SELECT, even if the VALUES clause contains elements that appear to be variables due to double-quoted string literals. Fix the window function version of group_concat() so that it returns an empty string if it has one or more empty string inputs. In FTS5 secure-delete mode, fix false-positive integrity-check reports about corrupt indexes. Syntax errors in ALTER TABLE should always return SQLITE_ERROR. In some cases, they were formerly returning SQLITE_INTERNAL. JavaScript/WASM: Fix a corruption-causing bug in the JavaScript "opfs" VFS. Work around a couple of browser-specific OPFS quirks. Other minor fixes. |
| SQLite Expert Profesional 5.5.14 May 4, 2024 |
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