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Revisions of sqlite3

Dominique Leuenberger's avatar Dominique Leuenberger (dimstar_suse) accepted request 666791 from Reinhard Max's avatar Reinhard Max (rmax) (revision 111) 
- btree02.test depended on Tcl internals that changed in 8.6.9.
  (sqlite3-btree02-100.patch)
Dominique Leuenberger's avatar Dominique Leuenberger (dimstar_suse) accepted request 664348 from Martin Pluskal's avatar Martin Pluskal (pluskalm) (revision 110) 
- SQLite 3.26.0:
  * Optimization: When doing an UPDATE on a table with indexes on
    expressions, do not update the expression indexes if they do
    not refer to any of the columns of the table being updated.
  * Allow the xBestIndex() method of virtual table implementations
    to return SQLITE_CONSTRAINT to indicate that the proposed query
    plan is unusable and should not be given further consideration.
  * Added the SQLITE_DBCONFIG_DEFENSIVE option which disables the
    ability to create corrupt database files using ordinary SQL.
  * Added support for read-only shadow tables when the
    SQLITE_DBCONFIG_DEFENSIVE option is enabled.
  * Added the PRAGMA legacy_alter_table command, which if enabled
    causes the ALTER TABLE command to behave like older version of
    SQLite (prior to version 3.25.0) for compatibility.
  * Added PRAGMA table_xinfo that works just like PRAGMA table_info
    except that it also shows hidden columns in virtual tables.
  * Added the explain virtual table as a run-time loadable
    extension.
  * Add a limit counter to the query planner to prevent excessive
    sqlite3_prepare() times for certain pathological SQL inputs.
  * Added support for the sqlite3_normalized_sql() interface, when
    compiling with SQLITE_ENABLE_NORMALIZE.
  * Enhanced triggers so that they can use table-valued functions
    that exist in schemas other than the schema where the trigger
    is defined.
  * Improvements to the ".help" command in the CLI.
  * The SQLITE_HISTORY environment variable, if it exists,
    specifies the name of the command-line editing history file.
  * The --deserialize option associated with opening a new database
    in the CLI cause the database file to be read into memory and
    accessed using the sqlite3_deserialize() API. This simplifies
    running tests on a database without modifying the file on disk.
Dominique Leuenberger's avatar Dominique Leuenberger (dimstar_suse) accepted request 536481 from Ismail Dönmez's avatar Ismail Dönmez (namtrac) (revision 101) 
- Update to version 3.21.0
  * Take advantage of the atomic-write capabilities in the F2FS
    filesystem when available, for greatly reduced transaction
    overhead. This currently requires the
    SQLITE_ENABLE_BATCH_ATOMIC_WRITE compile-time option.
  * Allow ATTACH and DETACH commands to work inside of a
    transaction.
  * Allow WITHOUT ROWID virtual tables to be writable if the
    PRIMARY KEY contains exactly one column.
  * The "fsync()" that occurs after the header is written in a
    WAL reset now uses the sync settings for checkpoints.
    This means it will use a "fullfsync" on macs if PRAGMA
    checkpoint_fullfsync set on.
  * The sqlite3_sourceid() function tries to detect if the source
    code has been modified from what is checked into version
    control and if there are modifications, the last four
    characters of the version hash are shown as "alt1" or
    "alt2". The objective is to detect accidental and/or
    careless edits. A forger can subvert this feature.
  * Improved de-quoting of column names for CREATE TABLE AS
    statements with an aggregate query on the right-hand side.
  * Fewer "stat()" system calls issued by the unix VFS.
  * Enhanced the LIKE optimization so that it works with an
    ESCAPE clause.
  * Enhanced PRAGMA integrity_check and PRAGMA quick_check
    to detect obscure row corruption that they were formerly
    missing. Also update both pragmas so that they return
    error text rather than SQLITE_CORRUPT when encountering
    corruption in records.
  * The query planner now prefers to implement FROM-clause
Dominique Leuenberger's avatar Dominique Leuenberger (dimstar_suse) accepted request 498338 from Ismail Dönmez's avatar Ismail Dönmez (namtrac) (revision 97) 
- Update to 3.19.2
  * Fix a bug in the LEFT JOIN flattening optimization.
    Ticket cad1ab4cb7b0fc.
  * Fix more bugs in the LEFT JOIN flattening optimization.
    Ticket 7fde638e94287d2c.

- Update to 3.19.0
  * The SQLITE_READ authorizer callback is invoked once with a
    column name that is an empty string for every table referenced
    in a query from which no columns are extracted.
  * When using an index on an expression, try to use expression
    values already available in the index, rather than loading
    the original columns and recomputing the expression.
  * Enhance the flattening optimization so that it is able to
    flatten views on the right-hand side of a LEFT JOIN.
  * Use replace() instead of char() for escaping newline and
    carriage-return characters embedded in strings in the .dump
    output from the command-line shell.
  * Avoid unnecessary foreign key processing in UPDATE statements
    that do not touch the columns that are constrained by the
    foreign keys.
  * On a DISTINCT query that uses an index, try to skip ahead
    to the next distinct entry using the index rather than
    stepping through rows, when an appropriate index is available.
  * Avoid unnecessary invalidation of sqlite3_blob handles
    when making changes to unrelated tables.
  * Transfer any terms of the HAVING clause that use only
    columns mentioned in the GROUP BY clause over to the
    WHERE clause for faster processing.
  * Reuse the same materialization of a VIEW if that VIEW
Yuchen Lin's avatar Yuchen Lin (maxlin_factory) accepted request 484084 from Ismail Dönmez's avatar Ismail Dönmez (namtrac) (revision 96) 
- Update to 3.18.0
  * Added the PRAGMA optimize command
  * 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.
  * Added the json_patch() SQL function to the JSON1 extension.
  * 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.
  * 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.
  * 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 halt without doing unnecessary work.
  * 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").
  * Added the -DSQLITE_MAX_MEMORY=N compile-time option.
  * Added the .sha3sum dot-command and the .selftest dot-command
    to the command-line shell
  * 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.
  * Various performance improvements.
  * Ensure that indexed expressions with collating sequences are
Dominique Leuenberger's avatar Dominique Leuenberger (dimstar_suse) accepted request 449090 from Martin Pluskal's avatar Martin Pluskal (pluskalm) (revision 94) 
- Update to version 3.16.2:
Displaying revisions 41 - 60 of 152
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