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SQLite Release 3.18.2 On 2017-06-17

Prior changes from version 3.18.0 (2017-03-30):

  1. Added the PRAGMA optimize command
  2. The SQLite version identifier returned by the sqlite_source_id() SQL function and the sqlite3_sourceid() C API and found in the SQLITE_SOURCE_ID macro is now a 64-digit SHA3-256 hash instead of a 40-digit SHA1 hash.
  3. Added the json_patch() SQL function to the JSON1 extension.
  4. Enhance the LIKE optimization so that it works for arbitrary expressions on the left-hand side as long as the LIKE pattern on the right-hand side does not begin with a digit or minus sign.
  5. Added the sqlite3_set_last_insert_rowid() interface and use the new interface in the FTS3, FTS4, and FTS5 extensions to ensure that the sqlite3_last_insert_rowid() interface always returns reasonable values.
  6. Enhance PRAGMA integrity_check and PRAGMA quick_check so that they verify CHECK constraints.
  7. Enhance the query plans for joins to detect empty tables early and halt without doing unnecessary work.
  8. Enhance the sqlite3_mprintf() family of interfaces and the printf SQL function to put comma separators at the thousands marks for integers, if the "," format modifier is used in between the "%" and the "d" (example: "%,d").
  9. Added the -DSQLITE_MAX_MEMORY=N compile-time option.
  10. Added the .sha3sum dot-command and the .selftest dot-command to the command-line shell
  11. Begin enforcing SQLITE_LIMIT_VDBE_OP. This can be used, for example, to prevent excessively large prepared statements in systems that accept SQL queries from untrusted users.
  12. Various performance improvements.

    Bug Fixes:

  13. Ensure that indexed expressions with collating sequences are handled correctly. Fix for ticket eb703ba7b50c1a5.
  14. Fix a bug in the 'start of ...' modifiers for the date and time functions. Ticket 6097cb92745327a1
  15. Fix a potential segfault in complex recursive triggers, resulting from a bug in the OP_Once opcode introduced as part of a performance optimization in version 3.15.0. Ticket 06796225f59c057c
  16. In the RBU extension, add extra sync operations to avoid the possibility of corruption following a power failure.
  17. The sqlite3_trace_v2() output for nested SQL statements should always begin with a "--" comment marker.

Prior changes from version 3.18.1 (2017-06-16):

  1. Fix a bug associated with auto_vacuum that can lead to database corruption. The bug was introduced in version 3.16.0 (2017-01-02). Ticket fda22108.

Changes in this specific patch release, version 3.18.2 (2017-06-17):

  1. Fix a bug that might cause duplicate output rows when an IN operator is used in the WHERE clause. Ticket 61fe9745.

    Hashes:

  2. SQLITE_SOURCE_ID: "2017-06-17 09:59:36 036ebf729e4b21035d7f4f8e35a6f705e6bf99887889e2dc14ebf2242e7930dd"
  3. SHA3-256 for sqlite3.c: b0bd014f2776b9f9508a3fc6432f70e2436bf54475369f88f0aeef75b0eec93e

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.