firebird-mirror/doc/WhatsNew

  *************
  * v3.0 Beta 1
  *************

    * Bugfix CORE-4576
        Cache writer thread could not start
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4575
        Server crashes in the garbage collector thread at disconnect of last attachment
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4574
        Regression: Incorrect result in subquery with aggregate
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4570
        Wrong error at ALTER PACKAGE
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4568
        Server may crash while disconnecting from the database under load
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4566
        Incorrect size of the output parameter/argument when execute block, procedure or function use system field in metadata charset
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4565
        GDSCODE can have value = 0 in WHEN-section under some concurrent env., only in SC or CS (not in SS)
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4555
        DDL trigger remains active after dropped
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4530
        DB_KEY based join of two tables may be ineffective
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4522
        DDL permission do not protect against removal BLOB filters
      Contributor(s):
        Roman Simakov <roman.simakov at red-soft.biz>

    * Bugfix CORE-4515
        Regression: trace reports UPDATES in statistics when doing INSERT into <some_table>
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4510
        Database validation bug can cause server to crash
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4506
        Server crashes when execute most of "show ..." commands after reconnect
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4505
        Use of named cursor fails if statement was not executed
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4500
        Firebird crashes after unsuccessful remapping of the lock table's shared memory
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4498
        Server crashes when getting an explained plan for a DBKEY based retrieval
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4488
        Wrong results of FOR SELECT <L> FROM <T> AS CURSOR <C> and table <T> is modified inside cursor's begin...end block
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4480
        ISQL issues warning: "Bad debug info format" when connect to database with stored function after it's restoring
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4478
        Failure to load provider/plugin is reported nowhere
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4477
        Field RDB$MAP_TO_TYPE is not present in RDB$TYPES
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4470
        GBAK fails to restore database containing dependency between views and packaged functions
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4468
        CREATE USER GRANT ADMIN ROLE does not work
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4464
        Duplicate tags for CREATE/ALTER USER are not handled correctly
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4461
        NBACKUP prints error messages to stdout instead of stderr
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4453
        Regression: NOT NULL constraint, declared in domain, does not work
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4447
        Positioned UPDATE statement prohibits index usage for the subsequent cursor field references
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4444
        Engine could hung and block all attachments in out of disk space condition during physical backup
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4440
        ISQL crashes without connect when execute command "show version"
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4435
        After calling release() for attachment to database (instead detach) in embedded mode attachment remains active forever
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4433
        GlobalRWLock could not downgrade EX lock to SH if readers are present
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4430
        Properties of user created in Legacy_UserManager padded with space up to 10 character
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4425
        User-collations based on UNICODE are not upgrade to newer ICU version on restore
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4422
        Server crashes when using ROW_NUMBER()over( PARTITION BY x) in ORDER by clause
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4419
        Server crashes while sorting records longer than 128KB
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4417
        GBAK: cannot commit index; primary key with german umlaut
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4415
        Useless extraction of generic DDL trigger
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4396
        Incorrect query result if it is executed via EXECUTE STATEMENT
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4395
        EXECUTE STATEMENT ON EXTERNAL doesn't find Firebird 2.5 database
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4394
        Cursor not found error when using legacy API
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4388
        SELECT WITH LOCK may enter an infinite loop for a single record
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4381
        Incorrect line/column information in runtime errors
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4380
        ISQL truncates blob when reading an empty segment
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4379
        Poor performance of explicit cursors containing correlated subqueries in the select list
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4376
        Preparation of erroneous DDL statement does not show the main command failed
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4375
        Procedure executes infinitely if contains more than 32767 statements inside any BEGIN/END block
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4374
        Truncation error when using EXECUTE STATEMENT with a blob
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4373
        Duplicate names in package are not checked
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4372
        Deadlock is possible when two data pages contains record fragments pointing to each other
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4371
        Create function/sp which references to non-existent exception: error message is "Error while parsing function's BLR"
        instead of "exception not defined"
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4366
        Wrong result of WHERE predicate when it contains NULL IS NOT DISTINCT FROM (select min(NULL) from ...)
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4365
        Equality predicate distribution does not work for some complex queries
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4360
        SELECT from derived table which contains GROUP BY on field with literal value returns wrong result
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4354
        Parsing of recursive query returns error "Column does not belong to referenced table" for source having such a column
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4353
        Sorting records are larger than really necessary
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4346
        v3 GBAK cannot restore backups on pre-v3 server versions
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4344
        Error "no current record for fetch operation" when table inner join procedure inner join table
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4334
        Resources (e.g. sort files) owned by trigger may not be released when it's interrupted asynchronously
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4331
        LAG, LEAD and NTH_VALUE raise error when the second argument is NULL
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4330
        Incorrect result for function LAG if OFFSET value is assigned from a table
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4327
        Error in QLI when copying NULL blobs between databases
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4326
        Keyword SET should not be required in ALTER USER statement
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4322
        Engine crashes when use aggregate or window functions in recursive query
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4321
        Regression: ISQL does not destroy the SQL statement
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4320
        Regression: ISQL crashes when receiving statistics of execution of sql query
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4319
        Engine crashes when trace config contains line "connection_id=NN" and we attempt to connect to non-existent database/alias
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4318
        Regression: Predicates involving PSQL variables/parameters are not pushed inside the aggregation
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4313
        Error "Attempt to reopen an open cursor" may be raised if the query handle is reused in a different transaction
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4309
        'Cache Writer' record in MON$ATTACHMENTS dissapear when delete other connection that running some 'heavy update' on big table
        via delete from MON$ATTACHMENTS
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4307
        Fields present only in WHERE clause of views WITH CHECK OPTION causes invalid CHECK CONSTRAINT violation
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4304
        Engine crashes when attempt to REcreate table with FK after syntax error before such recreating
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4303
        Possible races while service destruction
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4301
        Non-ASCII data in SEC$USERS is not read correctly
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4286
        "Statement already has a cursor assigned" error when trying to execute another SQL statement using different cursor name
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4275
        CREATE DATABASE fault if fbclient.dll loaded from another directory (Providers = Engine12)
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4118
        Expression index may be not used for derived fields or view fields
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-3305
        "BLOB not found" error after creation/altering of the invalid trigger
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-2350
        Too long column name for select alias should be rejected
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-2350
        Too long column name for select alias should be rejected
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-1475
        Database which has active attachments can not be replaced from backup file even after database shut down
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-4564
        Add per-table performance counters to the monitoring tables
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-4562
        Split all validation messages to critical and minor ones
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-4556
        Allocate data pages in group of sequential ordered pages (extents)
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-4528
        Allow hash/merge joins for non-field (dbkey or derived expression) equalities
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-4487
        Maintain package body after ALTER/RECREATE PACKAGE
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-4484
        Description (COMMENT ON) for package procedures and functions, and its parameters
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-4469
        Add field in SEC$USERS reflecting whether a user has RDB$ADMIN role in security database
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-4457
        DATEADD should support fractional value for MILLISECOND
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-4451
        Allow trace output to show the explained plan
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-4445
        Extend main database file faster when physical backup state changed from stalled to merge
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-4443
        Use fast file grow on those Linux systems that support it
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-4439
        Raise the 1024 connections limit (FD_SETSIZE) on Windows SS/SC
      Contributor(s):
        Paul Beach <pbeach at ibphoenix.com>

    * Improvement CORE-4434
        Extend the use of colon prefix for read/assignment OLD/NEW fields and assignment to variables
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-4432
        Let attachments to not block others when allocation table is read first time
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-4431
        Reduce contention for allocation table lock while database is in stalled physical backup state
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-4403
        Allow referencing cursors as record variables in PSQL
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-4398
        Provide ability to specify extra-long name of log when doing gbak to avoid "attempt to store 256 bytes in a clumplet" message
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-4387
        IStatement::execute() and IAttachment::execute() functions should return on error pointer to old transaction interface
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-4345
        Ability to trace stored functions execution
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-4310
        DATEADD: change input <amount> argument from INT to BIGINT
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-4252
        Add table name to text of validation contraint error message, to help identify error context
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-3881
        Extend the error reported for index/constraint violations to include the problematic key value
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-3242
        Recursive stored procedure should not require execute right to call itself
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-2897
        Don't send full length of field over the wire when field is null
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-2530
        Denser data stream and better prefetch logic in the network protocol
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-2303
        Include PLAN in mon$statements
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-2224
        Upgrade ICU to version 52.1
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-2119
        Use entries in restrict list of ExternalFileAccess parameter to mangle filenames with relative path
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-1900
        Windows authentication: grant privileges to Windows groups
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-1482
        Make optimizer to consider ORDER BY optimization when making decision about join order
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * New feature CORE-3368
        Make it possible to specify non-default security database for specific database
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * New feature CORE-2208
        New gbak option to ignore specific tables data during the backup
      Contributor(s):
        Dmitry Starodubov <dmitry.starodubov at red-soft.biz>
        Alex Peshkov <peshkoff at mail.ru>

    * New feature CORE-1377
        Add an ability to change role without reconnecting to database
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * New feature CORE-735
        User rights for metadata changes
      Contributor(s):
        Roman Simakov <roman.simakov at red-soft.biz>
        Dmitry Yemanov <dimitr at firebirdsql.org>

  **************
  * v3.0 Alpha 2
  **************

    * Bugfix CORE-4302
        Descending index could be very inefficient for some keys
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4298
        fbsvcmgr doesn't recognise sts_record_versions and other sts switches
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4297
        GFIX crashes when description of limbo transaction have size large than 1KB
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4293
        Server crashes on SELECT with long/complex list of compound AND/OR'd predicates
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4289
        NOT NULL field from derived table becomes NULL when referred outside DT
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4283
        Resource temporarily unavailable errors while simultaneously registering events
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4281
        TYPE OF arguments of stored functions hang the server if depending domain or column is changed
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4271
        Engine crashs in case of recreation of an erratic package body
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4270
        Error in case of subquery with windowed function + where <field> IN(select ...)
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4269
        Wrong output when field with result of windowed function is used in query
        with useless WHERE 0=0 and GROUP BY clause
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4268
        Server may crash while disconnecting from a database
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4267
        Server crashes while sweeping the database
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4265
        Unexpected lock conflict error may be raised while connecting to a heavily loaded database
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4262
        Context parsing error with derived tables and CASE functions
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4261
        Wrong result of join when joined fields are created via row_number() function
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4259
        setlocale(LC_CTYPE, "") in ISQL should not be called on Windows
      Contributor(s):
        Frank Schlottmann-Goedde <frank at schlottmann-goedde.de>

    * Bugfix CORE-4258
        Wrong boundary for minimum value for BIGINT/DECIMAL(18)
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4255
        Parametrized queries using RDB$DB_KEY do not work
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4251
        Guardian service could write garbage after the end of message in the Event Log
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4250
        AV in guardian at process shutdown
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4247
        Positioned DELETE (WHERE CURRENT OF <CURSOR>) fails for tables with newly added fields
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4244
        Problem with creation procedure which contain adding text in DOS864 charset
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4241
        Empty password will pass login
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4240
        Recursive query in SQL query returns incorrect results if more than one branch bypass
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4237
        FB3 vs FB2.5. Different metadata for UDF return argument
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4236
        Database shutdown is reported as successfully completed before all active connections are in fact interrupted
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4235
        Deadlock is possible while accessing the monitoring tables under concurrent load
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4234
        Error with IF (subfunc()) when subfunc returns a boolean
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4229
        Bidirectional cursor is not positioned by the first call of FETCH LAST
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4227
        Wrong evaluation of BETWEEN and boolean expressions due to parser conflict
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4225
        Server crashes when attempting to trace activity on database having a db-level trigger
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4219
        Regular expressions with double-slash fail in trace
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4216
        Memory leak with TRIGGER ON TRANSACTION COMMIT
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4214
        GTT should not reference permanent relation
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4212
        Dropping FK on GTT crashes server
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4211
        Embedded engine hangs for 5 seconds when closing, errors about timeout in shutdown process
        and invalid mutex are written into firebird.log
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4205
        ISQL -x does not output the START WITH clause of generators/sequences
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4203
        Cannot create packaged routines with [VAR]CHAR parameters
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4202
        Backup/Restore from old version to v3.0 fails with BLR error
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4201
        Computed field returns null value inside BEFORE INSERT trigger
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4200
        An uncommitted select of the pseudo table sec$users blocks new database connections
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4198
        Incorrect "token unknown" error when the SQL string ends with a hex number literal
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4185
        Server crashes with "invalid lock id (NNNNN)"
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4184
        Error is raised while executing empty EXECUTE BLOCK with NOT NULL output parameter
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4180
        CREATE COLLATION does not verify base collation charset
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4178
        New API should return proper metadata properties, not the historical artifacts
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4177
        Problem with some boolean expressions not being allowed
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4176
        Monitoring tables return incomplete information in SC/CS configurations
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4173
        Setting generator value twice in single transaction will set it to zero
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4168
        Backup containing procedures or triggers that select from external tables
        cannot be restored with ExternalFileAccess=None
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4164
        Owner name is missing for generators/exceptions restored from a backup
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4163
        Configuration fbtrace.conf contains syntax errors
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4162
        Warnings are not returned from attachDatabase() call
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-4160
        The parameterized exception does not accept not ASCII characters as parameter
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4159
        Incorrect memory statistics is reported
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4158
        LIKE with escape doesn't work
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4156
        RDB$GET_CONTEXT/RDB$SET_CONTEXT parameters incorrectly described as CHAR NOT NULL instead of VARCHAR NULLABLE
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4155
        External routines DDL in packages wrongly report error for termination with semi-colon
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4153
        Attempting to use Legacy_Auth directly after install doesn't work, restart of service is required
      Contributor(s):
        Paul Reeves <preeves at ibphoenix.com>

    * Bugfix CORE-4149
        New permission types are not displayed by ISQL
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-4145
        Memory leak when preparing EEXECUTE BLOCK which uses domains
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3989
        Bad performance / slow response when many concurrent sorts are executed
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-3921
        Bugcheck 186 (record disappeared) and 100% CPU load (when bugcheckabort=1 and sweep starts at gap ~21000)
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-2648
        NBACKUP's delta file ignored Forced Writes database setting
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-2165
        Unnecessary 1 index read may occur when using strict inequality condition
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-362
        Impossible to enter certain characters in ISQL
      Contributor(s):
        Frank Schlottmann-Goedde <frank at schlottmann-goedde.de>

    * Improvement CORE-4290
        Extensible property support which can add properties (name-value pairs)
        to users (stored in the security database and managed in some way)
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-4285
        Choose the best matching index for navigation
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-4273
        Per-database control on access to database from remote stations
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-4222
        Provide ability to know which authentication method was used for user connection
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-4218
        Add database owner to MON$DATABASE
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-4215
        Execution of SET STATISTICS INDEX statement could block or slow execution of concurrent attachments
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-4206
        Add RESTART [WITH] clause for alter identity columns
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-4199
        Add optional START WITH clause to identity columns
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-4165
        Replace the hierarchical union execution with the plain one
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-4154
        Firebird.conf should list names of (standard) authentication + usermanager plugins
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-4148
        Increase ISQL command buffer size from 64 KB to 10 MB to match the new engine limits
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-4085
        Add systemd init scripts
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-3931
        SQL commands to query/alter users description
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-3365
        Extend syntax for ALTER USER CURRENT_USER
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-1846
        Allow index walk (ORDER plan) when there's a composite index {A, B}
        and the query looks like WHERE A = ? ORDER BY B
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * New feature CORE-4263
        Database linger
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * New feature CORE-2063
        CREATE OR ALTER USER command
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * New feature CORE-2004
        ALTER USER XXX INACTIVE command
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>


  **************
  * v3.0 Alpha 1
  **************

    * Bugfix CORE-4144
        Error "context already in use (BLR error)" when preparing a query with UNION
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4137
        Wrong metadata output script generate by ISQL / CHARACTER SETISO8859_1 syntax error
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4136
        Sharp-S character treated incorrectly in UNICODE_CI_AI collation
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4135
        Sweep blocks establishment of concurrent attachments in SuperServer
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4134
        Race condition when auto-sweep is started
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-4074
        Computed by columns and POSITION function
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4027
        Creating table with computed fields containing "SELECT FIRST" produces corrupted result
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4018
        Using system domain in procedures arguments/returns cause the SP to be unchangeable
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-4005
        Wrong error message with recursive CTE
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-3973
        Original table name and column name and owner missing from SQLDA for aliased column in grouped query
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3947
        Wrong results when the column with collation using option (NUMERIC-SORT=1) is in WHERE clause
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3941
        Memory alignment problem with unique expression index
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3929
        Invalid error "attempted update of read-only column" when selecting MINVALUE from list with more than 255 elements
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3894
        Wrong numbers in error message for decreasing char/varchar columns
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3874
        Computed column appears in non-existant rows of left join
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3820
        RDB$TYPES contains duplicate character sets
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3754
        SIMILAR TO works wrongly
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3737
        EXECUTE BLOCK parameters definitions are not respected and may cause wrong behavior related to character sets
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3735
        Unprivileged user can delete from RDB$DATABASE, RDB$COLLATIONS, RDB$CHARACTER_SETS
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-3718
        Client library hangs after unsuccessful connection to remote auxiliary (events) port
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-3694
        Internal consistency check in query with grouping by subquery+stored procedure+aggregate
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3672
        Computed index by SUBSTRING function for long columns
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3638
        Introduce FR_CA_CI_AI collation and change FR_FR and FR_FR_CI_AI to be identical to FR_CA and FR_CA_CI_AI respectively
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3575
        Support of backup volumes with size more than 4GB
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-3545
        Inconsistent domain's constraint validation in PSQL
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3476
        LIST function wrongly concatenates binary blobs
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3475
        Parameters inside the CAST function are described as not nullable
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3431
        ISQL pads UTF-8 data incorrectly
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3416
        Inserting Kase into a CHARACTER SET ASCII column succeeds
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3401
        Collation errors with [type of] <domain>, type of column
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3373
        It is possible to store string with lenght 31 chars into column VARCHAR(25)
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3338
        Regression: code changes disabled support for expression indexes with COALESCE, CASE and DECODE
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3317
        Success of deleting rows depending on order of row insertion
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-3310
        RDB$GET_CONTEXT and BETWEEN in views
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3269
        When server gets unavailbale, client does not perform detach correctly
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-3260
        Interlock.h not portable
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-3250
        Cannot start firebird server under any username other than "root", "firebird" , "interbas"or "interbase"
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Bugfix CORE-3239
        UTF8 UNICODE_CI collate can not be used in compound index
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3204
        Constraint violation error of CAST is not raised inside views
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3201
        ATAN2 returns incorrect value for (0, 0)
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3174
        Expression index with TRIM may lead to incorrect indexed lookup
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3114
        Attempt to drop non-existing generator produces bad error
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3056
        Problems may happen when issuing DDL commands in the same transaction after CREATE COLLATION was issued
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3055
        Variable/argument name could be absent or be wrong in error messages when more than 256 variables are used
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3052
        Wrong resultset for comparisons involving multiple index segments
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-3047
        Wrong logic is used to resolve EXECUTE BLOCK parameters collations
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-2988
        Concurrent transaction number not reported if lock timeout occurs
      Contributor(s):
        Nickolay Samofatov <skidder at users.sf.net>

    * Bugfix CORE-2957
        COUNT(*) from a big table returns negative result
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-2952
        Case-sensitive character class names in SIMILAR TO
      Contributor(s):
        Dimitry Sibiryakov <sd at ibphoenix.com>

    * Bugfix CORE-2932
        Wrong field position after ALTER POSITION
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-2922
        Character set used in constants is not registered as a dependency
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-2913
        COLLATE expressions are applied incorrectly
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-2798
        Incomplete plan output (lack of view names) when selecting from views containing procedures inside
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-2796
        DB_KEY is always zero for external tables
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-2788
        ISQL extracts the array dimensions after the character set name
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Bugfix CORE-2784
        Guardian creates more and more threads each time FBServer dies
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Bugfix CORE-2740
        GBAK restores invalid views without any warning to the user
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Bugfix CORE-2699
        Common table expression context could be used with parameters
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-2696
        ALTER TABLE command can add a field which has NOT NULL definition
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-2678
        Full outer join cannot use available indices (very slow execution)
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-2606
        Multibyte CHAR value requested as VARCHAR is returned with padded spaces
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-2547
        Utilities need to honor their minimum number of characters to recognize an option
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Bugfix CORE-2545
        Lack of several validations in GBAK
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Bugfix CORE-2543
        NBACKUP may hide the real cause of failure
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Bugfix CORE-2508
        Tricky index names can defeat the parsing logic when generating a human readable plan
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-2484
        Success message when connecting to tiny trash database file
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Bugfix CORE-2431
        String values in error messages are not converted to connection charset
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-2238
        UTF8 and large varchar fields, IS DISTINCT FROM causes error "Implementation limit exceeded"
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-2204
        Constraints on SP output parameters are checked even when the SP returns zero rows
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-2155
        Join of SP with view or table may fail with error "No current record for fetch operation"
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-1748
        Unrestorable backup
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-1712
        Buffer overflow in conversion
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Bugfix CORE-1620
        Incorrect error message (column number) if the empty SQL string is prepared
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-1605
        Bugcheck 232 (invalid operation) for an aggregated query
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-1595
        Tray icon of Firebird Guardian disappears after Windows Explorer crash
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Bugfix CORE-1550
        Unnecessary index scan happens when the same index is mapped to both WHERE and ORDER BY clauses
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-1518
        Adding a non-null restricted column to a populated table renders the table inconsistent
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-1355
        Zero is displayed instead of NULL
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-1188
        STARTING WITH :param (empty string) doesn't work if using index with many fields
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Bugfix CORE-634
        Bad treatment of FIRST/SKIP in sub-selects
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Bugfix CORE-304
        Metadata security hole - any user can alter/drop generators and exceptions
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Bugfix CORE-92
        Infinite insertion cycle
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-3972
        Allow selection of SQL_INT64, SQL_DATE and SQL_TIME in dialect 1
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-3919
        Improve SIMILAR TO performance
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-3879
        Make FB_LOCK_PRINT a bit more handy
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * Improvement CORE-3788
        Make all utilities follow same rules when expanding database name
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-3779
        Report OS user name in MON$ATTACHMENTS
      See also:
        /doc/README.monitoring_tables
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-3704
        Add new context variables to the SYSTEM namespace
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-3639
        Allow the use of multiple WHEN MATCHED / NOT MATCHED clauses in MERGE, as per the SQL 2008 specification
      See also:
        /doc/README.merge.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-3594
        Include expected and actual string lenght into error message for sqlcode -802
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-3588
        More details in the error message "wrong page type"
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-3546
        Aliases for the RETURNING clause
      See also:
        /doc/sql.extensions/README.returning
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-3343
        Support for the RETURNING clause in positioned (WHERE CURRENT OF) UPDATE and DELETE statements
      See also:
        /doc/sql.extensions/README.returning
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-3251
        Use SSL/TLS support for both encryption and user authentication
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-3234
        Support for text BLOBs >= 32K as first argument for TRIM()
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-3085
        Add clause ALTER DOMAIN <name> [NOT] NULL
      See also:
        /doc/sql.extensions/README.ddl.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-3076
        Better performance for (table.field = :param or :param = -1) in the WHERE clause
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-3057
        Allow the usage of blobs in COMPUTED BY expressions
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-3020
        Add RETURNING ... INTO ... clause to the MERGE statement
      See also:
        /doc/sql.extensions/README.returning, /doc/README.merge.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-2868
        Increase trigger and stored procedure body size above 32KB
      Note(s):
        Available via the new API only
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-2812
        Prohibit any improper mixture of explicit and implicit joins
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-2787
        Make RDB$SYSTEM_FLAG not null
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Improvement CORE-2780
        Include client library version and protocol version into MON$ATTACHMENTS
      See also:
        /doc/README.monitoring_tables
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-2724
        Validate or transform string of DML queries so that engine internals don't receive malformed strings
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-2712
        Do not print "invalid request BLR" for par.cpp errors with valid BLR
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Improvement CORE-2697
        Support the "? in (SELECT some_col FROM some_table)" subqueries
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-2575
        Make ISQL "input" command open relative filenames based on the directory
        of last opened (and not closed) input file
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-2565
        Many hardcoded messages in Trace Manager
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Improvement CORE-2554
        Grant execute permissions for UDFs
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-2553
        Grants access on generators (gen_id, next value for)
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-2542
        QLI and NBACKUP accept arbitrary input after the first letter of an option
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Improvement CORE-2541
        Too many hardcoded messages in NBACKUP
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Improvement CORE-2540
        Utilities need a more coherent way to show help and version
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Improvement CORE-2187
        Return the client host name in MON$ATTACHMENTS
      See also:
        /doc/README.monitoring_tables
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-2006
        SUBSTRING with regular expression (SIMILAR TO) capability
      See also:
        /doc/README.substring_similar.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-2005
        Support SQL 2008 syntax for MERGE statement with DELETE extension
      See also:
        /doc/README.merge.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-1906
        Allow interactive arguments (seconds and intervals) of fb_lock_print to be 32-bit integers
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-1898
        Increased the password length from 8 characters, removed support
        for LegacyHash and Authentication parameters in firebird.conf.
        Support of pre-2.0 hashes is dropped, authentication is overridden
        by AuthServer parameter.
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * Improvement CORE-1609
        Remove limit of PSQL output parameter size
      Note(s):
        Available via the new API only
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-1180
        DDL syntax to change (not) nullable state of columns
      See also:
        /doc/sql.extensions/README.ddl.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-1117
        Remove or extend limit of command text length (64K)
      Note(s):
        Available via the new API only
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-832
        Add support for parameterized exceptions
      See also:
        /doc/sql.extensions/README.exception_handling
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * Improvement CORE-800
        Easy metadata extract improvements
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * Improvement CORE-675
        Add entries to RDB$Types
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * Improvement CORE-672
        "Over the wire" connection encryption
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * New feature CORE-4089
        Runtime architecture configuration
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>
        Vlad Khorsun <hvlad at users.sf.net>

    * New feature CORE-3626
        Subfunctions in PSQL and EXECUTE BLOCK
      See also:
        /doc/sql.extensions/README.subroutines.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-3621
        Window functions: NTH_VALUE
      See also:
        /doc/sql.extensions/README.window_functions.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-3620
        Window functions: LAST_VALUE
      See also:
        /doc/sql.extensions/README.window_functions.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-3619
        Window functions: FIRST_VALUE
      See also:
        /doc/sql.extensions/README.window_functions.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-3364
        Blob filter to translate internal debug info into text representation
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * New feature CORE-3332
        Provide more detailed information about the query execution plan
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * New feature CORE-3291
        New pseudocolumn (RDB$RECORD_VERSION) to get number of the transaction
        that created a record version
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-3018
        RECREATE and CREATE OR ALTER SEQUENCE/GENERATOR statements
      See also:
        /doc/sql.extensions/README.ddl.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * New feature CORE-2884
        New object rights for enhanced security
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * New feature CORE-2869
        Window functions: LAG and LEAD
      See also:
        /doc/sql.extensions/README.window_functions.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-2830
        Window functions: DENSE_RANK, RANK and ROW_NUMBER
      See also:
        /doc/sql.extensions/README.window_functions.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-2823
        Window functions: ORDER BY clause
      See also:
        /doc/sql.extensions/README.window_functions.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-2777
        Make possible to alter the default database character set without manual update of system table
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-2744
        Inverse hyperbolic trigonometric functions as native functions
      See also:
        /doc/sql.extensions/README.builtin_functions.txt
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>

    * New feature CORE-2700
        C++ API supporting functions, triggers and stored procedures
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-2639
        Pseudo-table with list of users, available for management to current user
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * New feature CORE-2470
        Support for alternate format of strings literals
      See also:
        /doc/sql.extensions/README.alternate_string_quoting.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-2312
        PSQL packages
      See also:
        /doc/sql.extensions/README.packages.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-2310
        DDL triggers
      See also:
        /doc/sql.extensions/README.ddl_triggers.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-2133
        Window functions: PARTITION BY clause
      See also:
        /doc/sql.extensions/README.window_functions.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-2090
        Window functions: Support OVER () clause with current aggregate functions
      See also:
        /doc/sql.extensions/README.window_functions.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-2047
        User-defined PSQL functions
      Contributor(s):
        Dmitry Yemanov <dimitr at firebirdsql.org>

    * New feature CORE-1952
        Deprecate implementation IDs in ODS, thus simplifying new ports
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * New feature CORE-1385
        Identity columns
      See also:
        /doc/sql.extensions/README.identity_columns.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-1288
        Subprocedures in PSQL and EXECUTE BLOCK
      See also:
        /doc/sql.extensions/README.subroutines.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-1209
        CONTINUE statement
      See also:
        /doc/sql.extensions/README.ddl.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-816
        Stored procedures, triggers and functions in Java
      See also:
        /doc/README.external_routines.txt
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-775
        True SMP support for SuperServer
      Contributor(s):
        Vlad Khorsun <hvlad at users.sf.net>

    * New feature CORE-726
        Boolean data type
      See also:
        /doc/README.data_types
      Contributor(s):
        Adriano dos Santos Fernandes <adrianosf at gmail.com>

    * New feature CORE-685
        Location of user lists (DB permission)
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

    * New feature CORE-657
        Database encryption
      Contributor(s):
        Alex Peshkov <peshkoff at mail.ru>

	* New feature CORE-462
        New option in addition to -V switch to specify a custom verbose interval
      Contributor(s):
        Claudio Valderrama C. <cvalde at usa.net>