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Added Beta 1 changes. Please review this file and correct, if necessary.

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dimitr 2003-01-23 09:30:19 +00:00
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**************
* v1.5 Beta 1
**************
* CREATE VIEW changes.
Disallowed PLAN subclause.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* Improved optimizer.
Better optimizations of "complex" JOIN queries (LEFT JOIN, views, SPs, etc).
Contributor(s):
Arno Brinkman <firebird@abvisie.nl>
* Fixed Alpha 5 bug.
Major memory leaks are fixed.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* New API functions.
IB7-compliant functions to return version of the client library.
isc_get_client_version(), isc_get_client_major_version(), isc_get_client_minor_version()
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* Sort/merge improvement.
Merging (SORT MERGE plans) is now done via in-memory sorting module.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* Fixed Alpha 5 bug.
"Invalid transaction handle (expecting explicit transaction start)" error.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* New memory manager.
Internal implementation of the memory manager has been changed to give us better performance.
Contributor(s):
Nickolay Samofatov <skidder@bssys.com>
* Win32 build changes.
1. Changed names of USER32 objects to allow the server run simultaneously with IB/FB1.
2. Map name for local (IPC) protocol is changed, so v1.5 client library is no longer compatible with the previous versions via IPC.
3. All transport protocol names (INET port and service, WNET pipe, IPC map) are now configurable via firebird.conf.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* Fixed unregistered bug.
Trashed RDB$FIELD_LENGTH for views that contain concatenation of long CHAR/VARCHAR fields.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* Triggers improvement.
Added runtime action checks (INSERTING/UPDATING/DELETING predicates).
Example:
if (INSERTING) then
new.OPER_TYPE = 'I';
else
new.OPER_TYPE = 'U';
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* Fixed unregistered bug.
Cursors (WHERE CURRENT OF clause) cannot be used in triggers.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* Fixed Alpha 5 bug.
SAVEPOINT-related statements are allowed in PSQL via EXECUTE STATEMENT.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* Fixed bug SF #221921.
ORDER BY has no effect.
Contributor(s):
Arno Brinkman <firebird@abvisie.nl>
* Fixed bug SF #213859.
Subquery connected with 'IN' clause.
Contributor(s):
Arno Brinkman <firebird@abvisie.nl>
* Fixed Alpha 5 bug.
Wrong plan is used in the case of compound indices.
Contributor(s):
Arno Brinkman <firebird@abvisie.nl>,
Dmitry Yemanov <yemanov@yandex.ru>
* Fixed Alpha 5 bug.
Backward compatibility with explicit plans is broken.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* ORDER BY improvement.
Allowed arbitrary expressions in the ORDER BY clause.
Contributor(s):
Nickolay Samofatov <skidder@bssys.com>
* Fixed unregistered bug.
When UNIONS where used in a VIEW and that VIEW was used in the WHERE clause inside an sub-select then the engine crashed.
Contributor(s):
Arno Brinkman <firebird@abvisie.nl>
* Fixed unregistered bug.
Fixed FB XDR double representation for Linux server and client.
This fixes numerous bugs with double precision columns and UDF's when using Linux server and Jaybird or Windows client.
Contributor(s):
Nickolay Samofatov <skidder@bssys.com>
* Fixed Alpha 5 bug.
PLAN wasn't correctly returned.
Contributor(s):
Arno Brinkman <firebird@abvisie.nl>
* Fixed Alpha 5 bug.
Server crash or "deadlock" error during execution of ALTER PROCEDURE statement.
Contributor(s):
Nickolay Samofatov <skidder@bssys.com>
* Generic code cleanup.
Structures within Y-valve.
Contributor(s):
Alexander Peshkoff <peshkoff@hotmail.ru>
* Comments improvement.
Single-line comments (--) are now allowed in any position of the SQL statement.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* Fixed unregistered bug.
"Request sycnhronization error" with BREAK statement.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* Fixed bug SF #625899.
Bugcheck 291.
Contributor(s):
Alexander Peshkoff <peshkoff@hotmail.ru>
* PSQL change.
EXECUTE VARCHAR is renamed to EXECUTE STATEMENT.
Contributor(s):
Alexander Peshkoff <peshkoff@hotmail.ru>
* Fixed Alpha 5 bug and SF #219525.
No current record for fetch operation.
Contributor(s):
Arno Brinkman <firebird@abvisie.nl>
* Fixed unregistered bug.
QLI doesn't understand BIGINT (aka INT64) datatype.
Contributor(s):
Dmitry Yemanov <yemanov@yandex.ru>
* Fixed unregistered bug.
Length of text variables inside procs/triggers wasn't copied to descriptor structure.
Contributor(s):
Arno Brinkman <firebird@abvisie.nl>
**************
* v1.5 Alpha 5
**************