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SQLite Release 3.48.0 On 2025-01-14

1. Refactor the "configure" script used to help build SQLite from canonical sources, to fix bugs, improve performance, and make the code more maintainable.
   • This does not affect the "configure" script in the sqlite3-autoconf-NNNNNNN.tar.gz "amalgamation tarball", only the canonical sources. The build system for the amalgamation tarball is unchanged. If you are using the amalgamation tarball, nothing about this change log entry applies to you.
   • The key innovation here is that Autosetup is now used instead of GNU Autoconf. That seems like a big change, but it is really just an implementation detail. The ./configure script is coded very differently, but should work the same as before.
   • One advantage of the new configure is that you no longer need to install TCL in order to build most SQLite targets. TCL is still required to run tests or to build accessory programs (like sqlite3_analyzer) that use TCL, but it is not required for most common targets. Hence, as of this release, the only build dependencies are a C compiler and "make" or "nmake".
2. Improved EXPLAIN QUERY PLAN output for covering indexes.
3. Allow a two-argument version of the iif() SQL function. Also allow if() as an alternative spelling for iif().
4. Add the ".dbtotxt" command to the CLI.
5. Add the SQLITE_IOCAP_SUBPAGE_READ property to the xDeviceCharacteristics method of the sqlite3_io_methods object.
6. Add the SQLITE_PREPARE_DONT_LOG option to sqlite3_prepare_v3() that prevents warning messages being sent to the error log if the SQL is ill-formed. This allows sqlite3_prepare_v3() to be used to do test compiles of SQL to check for validity without polluting the error log with false messages.
7. Increase the minimum allowed value of SQLITE_LIMIT_LENGTH from 1 to 30.
8. Added the SQLITE_FCNTL_NULL_IO file control.
9. Extend the FTS5 auxiliary API xInstToken() to work with prefix queries via the insttoken configuration option and the fts5_insttoken() SQL function.
10. Increase the maximum number of arguments to an SQL function from 127 to 1000.
11. Remove vestigial traces of SQLITE_USER_AUTHENTICATION.
12. Various obscure bug fixes.

    Hashes:

13. SQLITE_SOURCE_ID: 2025-01-14 11:05:00 d2fe6b05f38d9d7cd78c5d252e99ac59f1aea071d669830c1ffe4e8966e84010
14. SHA3-256 for sqlite3.c: 522bd9492526147d12fc8521028eb960557353d8f08c2035f15ac737d4b91e21

A complete list of SQLite releases in a single page and a chronology are both also available. A detailed history of every check-in is available at SQLite version control site.