Release History Of SQLite. Small. Fast. Reliable. Choose any three. This page provides a high- level summary of changes to SQLite. For more detail, see the Fossil checkin logs at. See the chronology a succinct listing of releases. Fix a potential memory leak in the new sqlite. Ticket 7. 48. 6aa. Hashes: SQLITE_SOURCE_ID: "2. SHA3- 2. 56 for sqlite. Update the text of error messages returned by sqlite. Add new pointer passing interfaces. ![]() How to use ODBC from the C programming language. This introductory tutorial explains how to create handles, connect to an ODBC data source and use the basic result. Backwards- incompatible changes to some extensions in order to take. Extending FTS5 → requires sqlite. PTR,N) → requires sqlite. PTR parameter. remember(V,PTR). PTR parameter. Added the SQLITE_STMT virtual table extension. Added the COMPLETION extension - designed to suggest. This is a work in progress. Expect further enhancements in future releases. Added the UNION virtual table extension. The built- in date and time functions have been enhanced so that they can be. CHECK constraints, in indexes on expressions, and in the WHERE clauses. Futher information. Added the sqlite. Flags" parameters. Provide the SQLITE_PREPARE_PERSISTENT flag for sqlite. FTS3, FTS5, and the. R- Tree extension. Added the PRAGMA secure_delete=FAST command. When secure_delete is. FAST, old content is overwritten with zeros as long as that does. I/O. Deleted content might still persist on. Enhancements to the command- line shell. Add support for tab- completion using the COMPLETION extension, for. Add the ". cd" command. Enhance the ". schema" command to show the schema of all attached. Enhance ". tables" so that it shows the schema names for all attached. The ". import" command ignores an initial UTF- 8 BOM. Added the "- -newlines" option to the ". U+0. 00a and. U+0. Query planner enhancements. When generating individual loops for each ORed term of an OR scan. ![]() WHERE expressions outside of the loop, as is. The query planner examines the values of bound parameters to help. When deciding between two plans with the same estimated cost, bias. Evaluate WHERE clause constraints involving correlated subqueries. ![]() Do not use the flattening optimization for a sub- query on the RHS. LEFT JOIN if that subquery reads data from a virtual table as. Add SQLITE_STMTSTATUS_REPREPARE, SQLITE_STMTSTATUS_RUN. SQLITE_STMTSTATUS_MEMUSED options for the. Provide PRAGMA functions for. PRAGMA integrity_check, PRAGMA quick_check, and. PRAGMA foreign_key_check. Add the - withoutnulls option to the TCL interface eval method. Enhance the sqlite. The SQLITE_DBCONFIG_ENABLE_QPSG run- time option and the. Release History. This page provides a high-level summary of changes to SQLite. For more detail, see the Fossil checkin logs at http:// and. FILExt.com is the file extension source. Here you'll find a collection of file extensions; many linked to the programs that created the files. This is the FILExt home. SQLITE_ENABLE_QPSG compile- time option enable the. See also ticket. 8. Miscellaneous optimizations result in a 2% reduction in CPU cycles used. Bug Fixes: Fix the behavior of sqlite. Postgre. SQL, My. SQL. and SQLServer. Ticket de. 34. 03bf. Fix the query planner so that it knows not to use automatic indexes. LEFT JOIN if the WHERE clause uses the IS operator. Fix for ce. 68. 38. Ensure that the query planner knows that any column of a. LEFT JOIN can be NULL even. NOT NULL". Fix for ticket. Fix rare false- positives in PRAGMA integrity_check when run on a database connection. Ticket. a. 4e. 06e. Fix a bug (discovered by OSSFuzz) that causes an assertion fault if certain. CREATE TABLE declarations are used. Ticket. bc. 11. 55. Hashes: SQLITE_SOURCE_ID: "2. SHA3- 2. 56 for sqlite. Fix a bug that might cause duplicate output rows when an IN operator is. WHERE clause. Ticket 6. Hashes: SQLITE_SOURCE_ID: "2. SHA3- 2. 56 for sqlite. Fix a bug associated with auto_vacuum that can lead to database. The bug was introduced in version 3. Ticket fda. 22. 10. Hashes: SQLITE_SOURCE_ID: "2. SHA3- 2. 56 for sqlite. Fix a bug associated with auto_vacuum that can lead to database. The bug was introduced in version 3. Ticket fda. 22. 10. Hashes: SQLITE_SOURCE_ID: "2. SHA3- 2. 56 for sqlite. Fix more bugs in the LEFT JOIN flattening optimization. Ticket. 7fde. 63. Hashes: SQLITE_SOURCE_ID: "2. SHA3- 2. 56 for sqlite. Fix a bug in the LEFT JOIN flattening optimization. Ticket. cad. 1ab. Remove a surplus semicolon that was causing problems for older versions of MSVC. Hashes: SQLITE_SOURCE_ID: "2. SHA3- 2. 56 for sqlite. The SQLITE_READauthorizer callback is invoked once. When using an index on an expression, try to use expression values already. Enhance the flattening optimization so that it is able to flatten views. LEFT JOIN. Use replace() instead of char() for escaping newline and carriage- return. Avoid unnecessary foreign key processing in UPDATE statements that do not. On a DISTINCT query that uses an index, try to skip ahead to the next distinct. Avoid unnecessary invalidation of sqlite. Transfer any terms of the HAVING clause that use only columns mentioned in. GROUP BY clause over to the WHERE clause for faster processing. Reuse the same materialization of a VIEW if that VIEW appears more than. Enhance PRAGMA integrity_check so that it identifies tables that have two. Enhance the FTS5 query syntax so that column filters. Enhance the json_extract() function to cache and reuse parses of JSON. Added the anycollseq. SQLite database connection to. Bug Fixes: Fix a problem in REPLACE that can result in a corrupt database containing. Fix for ticket. f. Fix a problem in PRAGMA integrity_check that was causing a subsequent. VACUUM to behave suboptimally. Fix the PRAGMA foreign_key_check command so that it works correctly with. WITHOUT ROWID tables. Fix a bug in the b- tree logic that can result in incorrect duplicate answers. IN operator queries. Ticket. 6. 1fe. 97. Disallow leading zeros in numeric constants in JSON. Fix for ticket. b. Disallow control characters inside of strings in JSON. Fix for ticket. 6c. Limit the depth of recursion for JSON objects and arrays in order to avoid. Fix for ticket. 9. Hashes: SQLITE_SOURCE_ID: "2. SHA3- 2. 56 for sqlite. Added the PRAGMA optimize command. The SQLite version identifier returned by the sqlite_source_id() SQL function. C API and found in the SQLITE_SOURCE_ID macro is. SHA3- 2. 56 hash instead of a 4. SHA1 hash. Added the json_patch() SQL function to the JSON1 extension. Enhance the LIKE optimization so that it works for arbitrary expressions on. LIKE pattern on the right- hand side does not. Added the sqlite. FTS3, FTS4, and FTS5 extensions to ensure that the sqlite. Enhance PRAGMA integrity_check and PRAGMA quick_check so that they verify. CHECK constraints. Enhance the query plans for joins to detect empty tables early and. Enhance the sqlite. SQL function. to put comma separators at the thousands marks for integers, if the "," format modifier. Added the - DSQLITE_MAX_MEMORY=N compile- time option. Added the . sha. 3sum dot- command and the . Begin enforcing SQLITE_LIMIT_VDBE_OP. This can be used, for example, to prevent. SQL queries from. Various performance improvements. Bug Fixes: Ensure that indexed expressions with collating sequences are handled correctly. Fix for ticket eb. Fix a bug in the 'start of ..' modifiers for the date and time functions. Ticket 6. 09. 7cb. Fix a potential segfault in complex recursive triggers, resulting from a. OP_Once opcode introduced as part of a performance optimization in. Ticket 0. 67. 96. In the RBU extension, add extra sync operations to avoid the possibility of. The sqlite. 3_trace_v. SQL statements should always begin. Hashes: SQLITE_SOURCE_ID: "2. SHA3- 2. 56 for sqlite. Approximately 2. 5% better performance from the R- Tree extension. Uses compiler built- ins (ex: __builtin_bswap. Uses the sqlite. 3_blob key/value access object instead of SQL. R- Tree nodes. Other miscellaneous enhancements such as loop unrolling. Add the SQLITE_DEFAULT_LOOKASIDE compile- time option. Increase the default lookaside. KB. of extra memory per connection. Memory- sensitive. Use compiler built- ins __builtin_sub_overflow(), __builtin_add_overflow(). All compiler. built- ins can be omitted with the SQLITE_DISABLE_INTRINSIC compile- time. Added the SQLITE_ENABLE_NULL_TRIM compile- time option, which. SQLite. Change SQLITE_DEFAULT_PCACHE_INITSZ from 1. Added the SQLITE_UINT6. TYPE compile- time option as an. SQLITE_INT6. 4_TYPE. Perform some UPDATE operations in a single pass instead of. Enhance the session extension to support WITHOUT ROWID. Fixed performance problems and potential stack overflows. VALUES clauses with. Added the sha. 1. In the command- line shell, enhance the ". Enhance the SQLITE_DIRECT_OVERFLOW_READ option so that it works. WAL mode as long as the pages being read are not in the WAL file. LEMON parser generator. Other performance improvements. Uses about 6. 5% fewer CPU cycles. Bug Fixes: Throw an error if the ON clause of a LEFT JOIN references tables.
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