[ViewVC] Diff of: public/ibx/trunk/changelog

Comparing ibx/trunk/changelog (file contents):
Revision 60 by tony, Mon Mar 27 15:21:02 2017 UTC vs.
Revision 338 by tony, Wed Jun 9 12:07:56 2021 UTC

-<
+IBX Change Log  version                   (2.0.3) tba, 24 Feb 2017 12:17:53 +0000
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+IBX Change Log  version (2.4-0 Build 12543) Mon, 22 Feb 2021 11:00:08 +0000
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+. Firebird 4 support added.
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+. New FB4 data types TIME WITH TIME ZONE, TIMESTAMP WITH TIME ZONE, DECFLOAT and
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+   extended precision NUMERIC fields are supported.
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+. TFmtBCDField is used to support access to DECFLOAT and extended precision NUMERIC fields.
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->
+. TIBDateTimeField and TIBTimeField are introduced in support of TIMESTAMP WITH TIME ZONE
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+   and TIME WITH TIME ZONE fields. These inherit from TDateTimeField.
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+. IBExtract now supports FB4 enhancements:
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+   - new data types as above
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+   - Identity column extensions
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+   - Default user role
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+   - SQL Security clause for Database, Tables, Procedures, Functions and Triggers
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+   - Internal Functions
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+. IBExtract: new event: OnExtractLines.
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->
+. IBExtract: revert create trigger to legacy syntax see Firebird CORE-6243, CORE-5545 and DOC-145
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+. IBXServices: Server version no. parsing now allows any letter before major version number
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+   and is no longer restricted to 'V' e.g. "LI-T4.0.0.1436 Firebird 4.0 Beta 1"
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->
+. TIBDataSet and TIBQuery: new property TZTextOption. Used to determine the default
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+   format for rendering a time zone.
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+. TIBDataSet and TIBQuery: new property DefaultTZDate. Used to provide the default date
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+     to convert TIME WITH TIME ZONE data type values to and from GMT.
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->
+. Unit name IBTypes changed to IBInternals. Internal interfaces TIBGUIInterface and TIBTimerInf renamed to
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+    IIBGUIInterface and IIBTimerInf respectively.
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+. Constants: DPBPrefix and TPBPrefix moved to IB unit. DPBConstantNames and TPBConstantNames
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+    now accessible as properties of TIBDatabase and TIBTransaction respectively.
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+. String Fields: when a fixed character with (CHAR) field is returned, it is now
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+    truncated to its fixed character width rather than being right padded with
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+    white space to the maximum data size.
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+. TIBTable.Empty table. In additional to deleting all records in the underlying
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+    table, the internal buffers are now also flushed ensuring that the TIBTable is
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+    also empty.
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+. TBatchSQLStatementReader: Line buffer is now cleared on call to reset.
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+. TIBXControlService descendents: DatabaseName may now be set using a database
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+    connect string. The database name is extracted from the connect string.
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+. DBControlGrid: Minor bug fixes. avoid AV on form closure, avoid black panel
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+. TIBExtract: Data type of COMPUTED By columns is no longer included in SQL.
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+. Local database on Linux and with legacy API and FB 2.5 embedded server: fixed problem with password
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+    not being present as required.
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+. IBTreeView split into DBTreeView and IBTreeView. This former is an IBX indepedent
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+    version that can be customised to work with other database drivers.
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+. ISQLMonitor: use platform specific LineEnding to delimit messages. Avoids
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+    unnecessary CR at end of line on Unix platforms.
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+. ISQLMonitor: Unix: Default semaphore timeout increased from 1 second to 10
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+    seconds in order to reduce risk of message loss.
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+. ISQLMonitor: read and write count statistics now available via:
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+      property TIBSQLMonitor.ReadCount;
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+      IIBSQLMonitorHook.GetWriteCount: integer;
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->
+. ISQLMonitor tidy up and unit split. IPC functions moved to new unit IBIPC.
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->
+IBX Change Log  version (2.3-5 Build 12350) Tue, 25 Aug 2020 16:11:02 +0100
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+.  TIBStringField: when a string value is read from a dataset buffer, if the
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+    number of UTF8 characters exceeds the string size then string is truncated
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+    to the maximum string size. This is  usually a problem with fixed width columns
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+    right padded with white space.
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+.  SQLFiltered and SQLFilterParams added to TIBQuery, TIBTable and TIBDataset.
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+    If SQLFiltered is set then when a dataset is opened, each line in the
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+    SQLFilterParams property is assumed to be a SQL condition clause and
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+    ANDed into the Where clause of the SQL Select statement provided as a
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+    dataset property. Each such SQL condition thus acts as an additional filter
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+    on the dataset.
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+.  The Filtered property inherited from TDataset is no longer used for SQL (server
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+    side filters).
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+. IBLookupComboEditBox: Selection should no longer reset to start of text when
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+   text matches complete entry.
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+. TIBDataLink: Detail Dataset params not refreshed unless both master and detail
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+   dataset are active (avoids risk of access violation if master is inactive)
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+. TIBEvents: Registered property can now be set at design time even if database not open
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+. TIBEvents: component now correctly re-initialised after call to UnregisterEvents.
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+   This should prevent "spillover" of events between sessions.
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+. TIBCustomDataset: GetNextRecord now called when reseting to first record of a unidirectional dataset.
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+   This should ensure that the internal buffer is set up correctly and avoids
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+   a duplicate initial row.
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+. TIBStringField: DataSize now given as byte size of string less trailing any zero character.
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+   That is, the DataSize should be the field size * character set width. The
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+   value returned by DataSize is now the same as the Dataset buffer size reserved
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+   for the field.
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+. IBExtract: Tidyup of SQL generation. Avoid unnecessary double quotes.
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+. TIBCustomDataset: Add checks on buffer sizes when copying data from row to field buffer
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+    and vice-versa. This may result in an exception being raised (correctly) for
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+    older programs when using dataset fields added to a form and the database has been
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+    upgraded. For example, computed fields can change from 32-bit to 64-bit integers.
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+    In such cases, the field needs to be deleted in the IDE fields editor and then
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+    added back in.
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+. IBCustomDataSet: CanInsert, CanEdit, CanDelete and CanRefresh updated to return
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+    false if query contains only white space and not just empty.
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+. IBCustomDataset: Blob data is now cleared when TDataSet.Cancel is called. This
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+    should ensure that (e.g.) a TDBMemo is correctly refreshed after a dataset edit
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+    is cancelled.
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+. IBCustomDataset: SetArrayIntf should no longer cause an access violation if
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+    called on a null field.
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+. IBCustomDataSet: An access violation should no longer occur when calling CancelUpdates
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+    results in an empty dataTC86                Client side Filtered Dataset    1       X
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+set.
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+. IBCustomDataSet: OnUpdateError should now be called in all circumstances when
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+    a cached update is applied and an exception is raised.
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+. IBCustomDataSet: Avoid access violation when SetBookmarkData called with nil pointer.
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+. Console Mode Local Database support: backup/restore should now work correctly.
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+. Local Database Support: if an upgrade fails, a downgrade is now performed if
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+    possible and an exception raised.
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+. MinimumVersionNo added to Local Database Support. Database will not open if
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+    below this version no. and upgrade not possible.
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->
+IBX Change Log  version (2.3-4 Build 12041) Fri, 17 Apr 2020 14:00:32 +0100
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+.  TIBXDataSet and Generators: Generator Names that are not all upper case or
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+    not SQL Identifiers are now supported.
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+.  TIBXScript: Set Generator is no longer rejected as unrecognised SQL and is
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+    passed to the Firebird engine for execution.
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+.  TIBDataSet: Unidirectional datasets now give an error message if an attempt
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+    is made to scroll back.
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+.  New unit: IBMessages.pas. Contains only messages used by IBX and not FBIntf
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->
+. TIBLookupComboEditBox: When generating auto-complete SQL, the ListField is now
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+   only enclosed in double quotes in SQL dialect 3 and when it needs to be.
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+. TIBLookupComboEditBox: when the list source opens, the ListField name is now
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+   validated. If no match is found in the list of field names and the database has
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+   been opened in SQL Dialect 3, then the ListField Name is converted to upper case
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+   if it then matches a field name. Otherwise, a Listfield not valid exception occurs.
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->
+. IBGeneratoreditor.pas: Add missing parenthesis around "IS" statement for compliance
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+   with fpc 3.2.
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->
+IBX Change Log  version (2.3-3 Build 11512) Fri, 28 Dec 2018 10:04:17 +0000
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->
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+. New property for TIBDatabase and TIBXServicesConnection. This is "ConfigOverrides"
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+   and is used to override the default settings in the client side "firebird.conf" This
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+   includes "WireCompression" and "WireCrypt". The value of this property is a "TStrings".
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+   Each line of the string list should be a setting in the same format as "firebird.conf".
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+   For example "WireCompression = true" in order to request wire compression on the client side.
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+   Note: explicit settings in the client side "firebird.conf" appear to take precedence
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+   over settings given in TIBDatabase and TIBXServicesConnection. Many client side settings
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+   also require a compatible setting in the server side "firebird.conf". For example
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+   "WireCompression = true" must also be set in the server's "firebird.conf" for wire
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+   compression to be used.
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+   Whether or not WireCompression or WireCrypt are in use can be checked using the information
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+   returned with the Client/Server protocol version. See ibx/examples/dbadmin and
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+   ibx/examples/dbinfo for examples of how to display this information.
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+. New property for TIBDatabase and TIBXServicesConnection: "WireCompression". This
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+   is a "convenience" property. If set the "WireCompression=true" is added to the
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+   ConfigOverrides. If unchecked then this setting is removed.
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->
+. TIBExtract: 64-bit integer types are now correctly extracted as "BIGINT" and
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+   not "INT64".
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+. New published properties for TIBCSVDataOut, TIBInsertStmtsOut and TIBBlockFormatOut
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+   These are:
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+    property TimestampFormat: string;
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+    property DateFormat: string;
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+    property TimeFormat: string;
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+   Respectively, these provide the date time format templates for SQL types: TIMESTAMP,
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+   DATETIME and TIME. The format strings use the standard FPC date/time format
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+   characters (see https://www.freepascal.org/docs-html/rtl/sysutils/formatchars.html).
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->
+   If any of the above properties are set to an empty string, then the locale default
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+   is used. This uses the ShortDateFormat and the LongTimeFormat. In timestamp, the
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+   locale default is extended by appending '.zzz' to include milliseconds.
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->
+   TIBCSVDataOut by default sets these properties to the empty string, while the other
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+   two use: 'yyyy.mm.dd hh:nn:ss.zzz', 'yyyy.mm.dd' and 'hh:nn:ss.zzz' respectively.
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->
+. New published property for TIBCSVDataOut:
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+     property QuoteStrings: boolean (default true)
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->
+   If false then strings are unquoted, otherwise, the QuoteChar property value is
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+   used to delimit each and every string in the output.
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->
+. New published properties for TIBCSVDataOut:
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+    property FieldSeparator: string;
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+    property HeaderSeparator: string;
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->
+   Respectively, these provide the separator character(s) used to separate fields
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+   in data and header rows. Both default to ','.
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->
+. New published properties for TIBCSVDataOut and TIBBlockFormatOut:
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+    TOnFormatTextString = procedure(sender: TObject; var TextString: string) of object;
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+    property OnFormatTextString;
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->
+   This event handler can be used to process text strings before they are included
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+   in the output e.g. to replace unprintable characters with alternative strings.
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+   This only applies to columns with an SQL Type of SQL_VARYING and SQL_TEXT.
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->
+. TIBDataSet now raises an exception when ParamByName called with an invalid parameter name.
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+   Uses "FindParam" if in order to find out if a parameter with a given name exists
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+   and without raising and exception if it does not.
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->
+. TIBQuery now uses IBX SQL Parser instead of the TParams SQL parser in order to ensure
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+   consistency with SQL queries.
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->
+. CaseSensitiveParameterNames property added to TIBSQL, TIBDataSet and TIBQuery.
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+    When true, SQL statement parameter names are parsed case sensitive. Note for
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+    TIBDataSet only applies to Select query.
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->
+. IBEvents: removing a TIBEvent component from a form should no longer result in
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+    an IDE exception.
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->
+. LocalDBSupport: initial database creation should now work correctly
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+    when the schema source is an sql file.
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->
+. TIBCMLocalDBSupport: new event handler "property OnProgressEvent: TOnProgressEvent"
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+    when defined, this handler will be called by the internal TIBXScript during
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+    initial database creation when the schema source is an sql file and may be used
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+    to provide a visual indication of progress in console mode.
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->
+. TCustomIBLocalDBSupport: new public property "InOnCreateDB: boolean". This is set
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+    to true while a new local database is being created and its schema populated.
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+    Useful in (e.g.) TIBDatabase.OnAfterConnect handler to suppress actions
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+    when the database is disconnected/connected during the create DB procedure.
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->
+. TIBXScript: any User/password parameters found in a CREATE DATABASE statement
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+    are now always ignored and replaced by the user name and password provided as
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+    the login parameters for the TIBDatabase referenced from the TIBXScript. The
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+    IgnoreCreateDatabase property still applies and the CREATE DATABASE statement is
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+    completely ignored if this property is true.
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->
+. Code tidyup in IBTreeView: Node properties initialisation moved from TIBTreeView.AddNodes
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+    to TIBTreeView.Added. An OnAddition event handler is no longer needed to initialise
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+    ImageIndex and SelectImageIndex values on AddNode.
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->
+. TIBDatabase.Attachment and TIBXServicesConnection.ServicesIntf properties are now
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+    read/write. This should enabled (e.g.) multiple instances of TIBDatabase to share
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+    the same database connection.
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->
+. TIBDataSet and TIBQuery now support the TDataSet "Filter" property.
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+    if provided, this should be an conditional SQL expression suitable for
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+    including in an SQL Select statement "where" clause. If non-empty and the
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+    "Filtered" property is true then the SQL expression provided as the value of
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+    the "Filter" property is "ANDed" with any existing condition statement
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+    in the SQL statement's "Where" clause.
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+    If the "Filter" property is set at run time, the "Filtered" property is true
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+    and the dataset is already open, then the dataset is closed and re-opened automatically.
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+    The "Filter" condition may include IBX style parameters. In which case, their
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+    value must be set by the dataset's "OnBeforeOpen" event handler.
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+    This is a public property for TIBDataSet and TIBQuery query and intended for
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+    use at run time.
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+    Note: The property is a published property of TIBTable. The TIBTable functionality
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+    is unaffected by this change.
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->
+IBX Change Log  version (2.3-2) Wed, 05 Dec 2018 12:19:23 +0000
->
->
+. Remove need to check for IsMultiThread by providing access to GUI timers via
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+   IBGUIInterface. Note: master/detail delay timer does not apply to console
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+   mode apps.
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->
+. TIBCustomDataSet: SQLParser ignored if it does not contain a valid select
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+   statement. This avoids problems if "Execute Block" is used as the Query.
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+. IBSQLParser now uses the common SQL tokeniser from fbintf. This replaces the
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+   internal SQL tokeniser routines.
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+. IBSQLParser: new property NotaSelectStmt. Set to true if SQL fails to parse
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+   as a select statement, with or without CTEs.
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->
+. IBSQLParser: parser now recognises the "ROWS" clause.
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->
+. TIBXScript now uses the common SQL tokeniser from fbintf. This replaces the
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+   internal SQL tokeniser routines.
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->
+.  Fix error in TIBXScript processing of "set" statements. This avoids exceptions
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+    being raised for valid set statements processed by a data formatter.
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->
+. New published property for TIBDatabase and TIBXServicesConnection. This is
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+   FirebirdLibraryPathName: string. If not empty it is used to explicitly specify
->
+   the path of the Firebird Library used by the database/services connection.
->
->
+. New read only public property for TIBDatabase and TIBXServicesConnection. This
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+   is FirebirdAPI and returns the IFirebirdAPI interface used by the database/
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+   services connection.
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->
+.SQL Property editors now quote parameter names if "Quote identifier" is selected
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+   or param name is not a valid SQL identifier.
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->
+. IBLookupComboEditBox: In Lazarus 2.0, TDBLookupComboBox takes a more restrictive
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+    view of whether the text box should be editable when no DataSource is specified.
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+    TIBLookupComboEditBox has been updated to workaround this problem. As long as
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+    ReadOnly is false, the text box is editable when no DataSource is specified.
->
->
+. AllowUseOfFBLIB is now set to "true" at design time. This is to allow use of
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+    the FBLIB environment variable. If you do not want to permit this then you
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+    must modify the Register procedure in the design/IBDBReg.pas unit to remove
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+    this setting.
->
->
+IBX Change Log  version                 (2.3-1) Thu, 25 Oct 2018 14:39:45 +0100
->
->
+. IBCustomDataset: replace deprecated function ValidUTF8String with call to
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+   Utf8EscapeControlChars
->
->
+IBX Change Log  version                (2.3-0) Mon, 16 Apr 2018 09:48:06 +0100
->
->
+IMPORTANT: the source code tree has been re-organised for IBX 2.3. Please remove
->
+all previous copies of the IBX source code tree before installing this release.
->
->
+The IBX packages used by most users have not changed, with one exception. The
->
+IBServices unit has been moved to the package iblegacyServices.lpk. To continue
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+to use the IBServices unit in your applications, please add the iblegacyServices
->
+to the list of dependencies. To do this, open the Project Inspector and select
->
+Add->New Requirement and select "ibLegacyServices" from the list of available
->
+packages.
->
->
+. New unit IBXServices. The IBXServices unit is a re-architectured update of
->
+   the IBServices unit providing what is intended to be a clearer and easier to
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+   use set of IB Services components. See Chapter 10 of the IBX User Guide for
->
+   more information and the guide to "Firebird Service Management Using IBX".
->
+   As indicated above, the legacy services components are still available and
->
+   provided in a separate package. There is no need to update working applications
->
+   using the older versions except for an additional package dependency.
->
->
+. The IBX packages and source code tree have been re-organised in an attempt to
->
+   finally get rid of the "duplicate ppu" warnings. This re-organisation should
->
+   not affect existing users. Section 2.3 of the IBX User Guide describes the
->
+   new set of IBX packages.
->
->
+. The ibx/examples/DBAdmin and the ibx/examples/services example have been
->
+   updated to use the new Services API components.
->
->
+. The iblocal package has been updated to use the new Services API components.
->
->
+. procedure SetAutoAdmin; in the new IBX Services this method is now a member of
->
+   TIBXSecurityService. It had been wrongly classified in the previous version
->
+   as a per database configuration item. It is global to a server and hence
->
+   correctly positioned as part of the Security Package. In the DBAdmin example,
->
+   the setting has moved to the mappings page.
->
->
+. TIBXScript: IgnoreCreateDatabase added. If true then CREATE DATABASE statements
->
+   are ignored.
->
->
+. TIBDatabase: DropDatabase now ensures that all transactions have been properly
->
+   closed before the database is dropped. Before and After Disconnect event handlers
->
+   are also fired.
->
->
+. TIBTransaction: OnStartTransaction event now fires every time the transaction
->
+   is started and not just the first time.
->
->
+. IBDataOutput: Use FormatFloat for all performance statistics to avoid platform
->
+   depenendency with comp type.
->
->
+. IBDataOutput: select query data output is now sent to stdout instead of stderr.
->
->
+. TIBDatabase: Remove regression. If a user login dialog changes the DatabaseName
->
+    then this is recognised and not ignored.
->
->
+. TIBDataSet, TIBQuery, TIBTable: additions:
->
+    function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
->
+    function GetPerfStatistics(var stats: TPerfCounters): boolean;
->
+    property EnableStatistics: boolean read FEnableStatistics write SetEnableStatistics;
->
->
+    GetRowsAffected returns the affected row counts from the last insert/update/delete
->
+    if EnableStatistics = true then GetPerfStatistics returns the current stats
->
+    counters for the select query. Note: stats accumulate after each fetch from
->
+    the database. To get total query cost after open, call the "Last" method
->
+    and then GetPerfStatistics.
->
->
+    See ibx/examples/consolemode for an example of the use of GetPerfStatistics
->
->
+. TIBExtract: Identity columns DDL. "Start with clause" now correctly encapsulated
->
+    in parenthesises.
->
->
+. TIBExtract: new published property "AlwaysQuoteIdentifiers". If true then in dialect 3
->
+    SQL identifiers are always delimited by double quotes. If false, then they are
->
+    only delimited if the identifier is a reserved word, contains lower case or special
->
+    characters. Set this property to true to retain previous behaviour.
->
->
+. Insert SQL Property Editor. In Insert Returning Clause, Identity column names
->
+    are now inserted in double quotes if not Reserved Words or valid SQL Identifiers.
->
->
+. TIBDataSet, TIBQuery, TIBTable: addition:
->
+       property MasterDetailDelay: integer {defaults to zero}
->
->
+    When non-zero and the dataset is a detail table referencing a master table
->
+    through either a MasterSource (TIBTable) or a DataSource (TIBDataSet, TIBQuery)
->
+    then a synchronisation delay is added (in milliseconds) between the master
->
+    row changing and the detail dataset being re-opened. If the master dataset
->
+    is scrolled before the delay expires then the delay is reset. This can be used
->
+    to avoid performance overheads when scrolling through a large master dataset.
->
->
+    Note: uses fptimer and hence requires a thread manager. Under Linux the
->
+    chreads unit must be included in your project. TTimer is not used in order
->
+    to avoid an LCL dependency. Requires FPC 3.0.2 or later.
->
->
+. TIBExtract: User role grants now excluded when etGrantsToUser not specified
->
+    with Extract Option eoDatabase.
->
->
+. TIBLookupComboEditBox: Workaround added for https://bugs.freepascal.org/view.php?id=33428
->
+    When a deLayoutChanged event is reported on the ListSource dataset, the
->
+    combobox text is updated. This allows a listsource (detail) to be in a Master/Detail
->
+    relationship with the control's datasource (master).
->
->
+. TIBExtract: Full BigInt value range now supported for Generators/Sequences.
->
->
+. TIBExtract: Select Procedures (Procedure type 1) now include "SUSPEND;" clause in their
->
+    stubs. Pedantic fix really, as procedures output in dependency order anyway.
->
->
+. TIBExtract: Package Headers and Package Bodies are now included in the extracted
->
+    DDL (Firebird 3 and later only).
->
->
+. TIBLookupComboBox Autocomplete Fixes:
->
+    i. Only appended text is now selected after autocomplete.
->
+    ii. Uppercase keys no longer ignored for autocomplete.
->
+    iii. Retain Prefix case is now honoured correctly.
->
+    iv. When a DataSource is assigned, typing after autocomplete now extends prefix
->
+        before autocomplete performed. i.e. behaviour now the same as when
->
+        no DataSource assigned.
->
->
+. TIBXScript: Single Line Comments starting with '--' are now ignored when occurring
->
+    between SQL statements.
->
->
+. TIBExtract: New published property CaseSensitiveObjectNames. If false (default) then
->
+    ObjectNames are converted to upper case before matching against metadata object
->
+    names, unless the objectname is delimited by double quotes, in which case, the
->
+    double quotes are removed and the remaining string is used (unmodified) to match
->
+    against the metadata object name.
->
->
+    If true then the ObjectName is used as is without modification and matched
->
+    against the metadata object name. No attempt is made to remove double quotes.
->
->
+. TIBExtract: New Extract Types: etDatabaseTriggers and etDDLTriggers. When used
->
+    with eoTrigger, these extract types can be used to select only Database Triggers,
->
+    or DDL Triggers or both. Ignored when etTable or etTrigger included in Extract Types.
->
->
+. TIBXScript: If an exception occurs during the processing of a statement, the
->
+    statement separate character is now reset to the default (';').
->
->
+. TIBDatabase: Reconnect method added and used by TIBXScript for reconnect.
->
->
+. TIBXScript: Transaction is no longer automatically reactivated immediately processing
->
+    a commit or reconnect statement and instead activated only when next SQL statement
->
+    is executed.
->
->
+. TIBSQL.HasField should no longer generate and exception when the field does not exist.
->
->
+. TIBXScript: case insensitive regex now used when matching statements instead of
->
+    converting statement to upper case.
->
->
+. TIBExtract: metadata comments now supported. New published property
->
+    IncludeMetaDataComments (default true). If true then metadata comments included
->
+    in extracted DDL. New Extract Object member eoComments. This may be used with
->
+    ExtractObject method to list all metadata comments.
->
->
+. TIBExtract: ListObjectNames method added.
->
->
+. Updated Database component editor to support additional connection string
->
+    types.
->
->
+IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
->
->
+NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
->
+AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
->
+RELEASE.
->
->
+NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
->
->
+. IBExtract: Identity columns - add additional check for null column for generator name.
->
->
+. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
->
+   The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
->
+   information). However, this is also a very useful mechanism for returning updated computed by
->
+   column values. Values returned as a result of executing an Insert or Update statement
->
+   replace existing values in the current row for each corresponding column.
->
->
+   Previously, if a dataset's select query included read only (computed by) fields then
->
+   an automatic row refresh was performed after an insert or update query had been processed,
->
+   irrespective of the setting of the "ForcedUpdates" property. This has changed such
->
+   that an automatic refresh is no longer performed if an insert or update query contains
->
+   a returning clause that updates one or more fields on the current row. A full row
->
+   refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
->
+   field values and the select query contains read only fields. Use of Insert/update
->
+   returning should be significantly more efficient than executing a refresh query.
->
->
+   This behaviour change is intended to be backwards compatible and there should be no need to change
->
+   existing programs, other than to improve performance by using the new capability.
->
->
+. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
->
+   they are called when the dataset row is being deleted, there is no value in
->
+   updating the current record from the query result. Instead, a new event handler
->
+   "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
->
+   an OnDeleteReturning event handler is provided then it is called with the IResults returned
->
+   by the query. The event handler can then interrogate the query results and
->
+   perform whatever action is necessary. For example to confirm, to the user,
->
+   the deletion of a row with the returned values.
->
->
+. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
->
+   any Computed By or Identity Columns. The IBTables example has been updated to
->
+   illustrate the computation of the employee Full Name on update.
->
->
+. TIBTable: The GeneratorField property is now published.
->
->
+. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
->
+   When InsertSQL is generated, the Identity columns are not included in the list of values to
->
+   be inserted. A RETURNING clause is added to the insert statement to return the value of
->
+   each Identity column after the insert is executed.
->
->
+. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
->
+   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
->
+   Insert..Returning clause.
->
->
+. TIBGenerator: small performance improvement by not preparing query each time
->
+   a new value is generated.
->
->
+. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
->
->
+. Property editors will now sync table name to a System Table when "Include System
->
+    Tables" is selected and the query is for a System Table.
->
->
+. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
->
+    values are no longer converted to milliseconds from TDateTime and then back again
->
+    to TDateTime (the conversion to milliseconds is the default TDataset approach).
->
->
+. Property Editors handling of Stored Procedures.
->
+    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
->
+      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
->
+      query).
->
+    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
->
->
+. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
->
+    can be used to select a package. If non-empty, the stored procedure name is
->
+    expected to be a stored procedure defined in the specified package and the
->
+    generated SQL will be as required for a stored procedure located in a package.
->
->
+. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
->
+    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
->
+    which a stored procedure can be selected. With no package name selected, non-package
->
+    stored procedures are listed.
->
->
+. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
->
+    for password on reconnect.
->
->
+. TIBDatabase: use IAttachment for connection default character set id, code page
->
+    and character set name.
->
->
+. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
->
+    DB info lookups"
->
->
+. IBExtract: now supports DDL Triggers and Grants to DDL objects.
->
->
+. Add a property Editor for TIBUpdate.RefreshSQL.
->
->
+. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
->
+    parameters. This stops an exception being raised when the field cannot be
->
+    located in the record buffer.
->
->
+. Property Editors now automatically include System Tables when opened and when the query table
->
+    is a System Table.
->
->
+. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
->
+    This avoids errors due to a stale SQRB or SRB being used for the next query.
->
->
+. IBServices: Service attach parameters now include "expected_db". This is used to
->
+    add the SPB item isc_spb_expected_db. This names a database using
->
+    an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
->
+    database. examples/services re-written to illustrate use of "expected_db".
->
->
+. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
->
+    This avoids truncated backups when the server returns a timeout (busy) response.
->
->
+. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
->
->
+. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
->
+    databasenames. These are respectively expanded to the local system's temp directory
->
+    (including trailing delimiter) or to a prescribed data directory (including
->
+    trailing delimiter). Under Unix systems the data directory is a hidden directory
->
+    in the user's home directory. The hidden directory name is either the string returned
->
+    from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
->
+    Under Windows, the directory is the same as the Data Directory as decribed
->
+    above but instead prefixed by the User's application data path. These may be
->
+    used to improve application portability for Personal Databases.
->
->
+. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
->
+    this has not worked for a long time and is not useful either. FieldDefs should be
->
+    managed using the Fields Editor as with any other dataset. To access the fields
->
+    editor for a TIBTable component, double click on the component. The fields editor
->
+    is then displayed.
->
->
+. TIBDatabaseInfo: new properties/function
->
+     * DateDBCreated (returns date/time database created)
->
+     * TransactionCount (returns no. of active transactions)
->
+     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
->
+     * PagesFree (Firebird 3 or later)
->
+     * PagesUsed (Firebird 3 or later)
->
+     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
->
+     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
->
->
+. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
->
->
+. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
->
->
+. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
->
+    the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
->
->
+. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
->
+    in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
->
+    firing during backup and restore.
->
->
+. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
->
+    for verbose output using the new property "StatisticsRequested".
->
+    see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
->
->
+. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
->
->
+. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
->
+    palette. This uses the online validation feature added in Firebird 2.5. The
->
+    services's properties enable inclusion/exclusion of tables and indexes using
->
+    regular expressions. See.
->
+    https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
->
->
+. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
->
+    option on a database.
->
->
+. TIBCustomService: Assign method implemented to allow copying of service login
->
+    context between service API components. "Detach" method now only detaches
->
+    service when last reference to the service interface detaches. Tidy up of
->
+    code for SetActive and Attach methods including password hiding.
->
->
+. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
->
+    and used to determine the auth method and protocol used for the connection.
->
->
+. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
->
+    a Create Database Statement generated by IBX.
->
->
+. All IBServices now have an additional published property "PortNo". This may
->
+    be set to a non-standard port number when necessary. If zero then the default
->
+    port number is used.
->
->
+: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
->
+    and not just the mouse.
->
->
+. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
->
->
+. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
->
+    image index and selected image index for each node to be set from a database field.
->
->
+. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
->
+    then database schema includes grants to all users. If not present then the
->
+    only user grants included are those to User PUBLIC.
->
->
+. TIBTreeView: performance improvement. When expanding include both expanded node
->
+    and child nodes in dataset.
->
->
->
+IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
+. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
+   changes.
+. Changes consequential on moving fbintf character set utility functions from
+   IFirebirdAPI to IAttachment.
-+
+. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
-+
-+
+. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
-+
+   results in autocomplete ignoring prefix text.
-+
-+
+. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
-+
+   entering a new name into the text box.
-+
-+
+. IBCustomDataset: ensure that TIBStringField uses the field size reported by
-+
+   Firebird rather than recomputing it.
-+
-+
+. Property Editor positioning tidy up: All IBX Property editors should now be
-+
+   screen centre. Previously some were "poDesigned" which may be inappropriate
-+
+   for multi monitor desktops.
-+
-+
+. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
-+
-+
+. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
-+
+    a transaction and always reset the object.
-+
-+
+. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
-+
-+
+. TIBXScript: Allow for override of database filename in Create Database statements.
-+
-+
+. IBLocaldb: Support initialisation of the database from an SQL script in addition
-+
+    to a gbak format archive.
-+
-+
+. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
-+
-+
+. IBLocaldb: Drop database if error creating an empty database.
-+
-+
+. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
-+
+    unless selected node not in current dataset.
-+
-+
+. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
-+
+    to TIBCustomService, and IBlocalDB code tidy up.
-+
-+
+. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
-+
+    behaviour due to uninitialised variable.
-+
-+
+. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
-+
+    integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
-+
-+
+. IBSQL: When Database changed ensure that all resources are freed.
-+
-+
+. IBCustomDataset: When database changed ensure that queries an unprepared.
-+
-+
+. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
-+
+    * Line Wrap on SQL Token boundaries (on user command)
-+
+    * auto-complete table names in drop down list of table names
-+
+    * Double click on tablename or field name adds to SQL text
-+
-+
+. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
-+
-+
+. IBTreeView: Call to FindNode: param type change from "array of Variant" to
-+
+    TVariantArray. Seems to avoid memory corruption in Windows (probably a
-+
+    workaround for a problem in fpc 3.0.4 win64).
-+
-+
+. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
-+
-+
+. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
-+
+IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
+. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
+   that BindFields is called when the query is next activated. Avoids FieldName
+   not found error.
-+
+. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
-+
+   purpose and allows the programmer to define any action they want for Update, Insert
-+
+   or Delete. This may be complex SQL (similar to a Trigger), application specific
-+
+   filtering of updates, or use of statements such as Grant or Revoke instead of
-+
+   normal DML. See User Manual for more information.
-+
+IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
+. TIBEvents: Fix uninitialised variable that could result in lost events.

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Comparing ibx/trunk/changelog (file contents): Revision 60 by tony, Mon Mar 27 15:21:02 2017 UTC vs. Revision 338 by tony, Wed Jun 9 12:07:56 2021 UTC

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Comparing ibx/trunk/changelog (file contents):
Revision 60 by tony, Mon Mar 27 15:21:02 2017 UTC vs.
Revision 338 by tony, Wed Jun 9 12:07:56 2021 UTC