[ViewVC] Diff of: public/ibx/branches/journaling/changelog

Comparing ibx/trunk/changelog (file contents):
Revision 47 by tony, Mon Jan 9 15:31:51 2017 UTC vs.
Revision 141 by tony, Thu Jan 25 14:18:12 2018 UTC

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+IBX Change Log  version                                              (2.2-0) Thu, 25 Jan 2018 13:56:39 +0000
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+. IBExtract: Identity columns - add additional check for null column for generator name.
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+. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
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+   The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
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+   information). However, this is also a very useful mechanism for returning updated computed by
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+   column values. Values returned as a result of executing an Insert or Update statement
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+   replace existing values in the current row for each corresponding column.
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+   Previously, if a dataset's select query included read only (computed by) fields then
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+   an automatic row refresh was performed after an insert or update query had been processed,
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+   irrespective of the setting of the "ForcedUpdates" property. This has changed such
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+   that an automatic refresh is no longer performed if an insert or update query contains
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+   a returning clause that updates one or more fields on the current row. A full row
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+   refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
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+   field values and the select query contains read only fields. Use of Insert/update
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+   returning should be significantly more efficient than executing a refresh query.
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+   This behaviour change is intended to be backwards compatible and there should be no need to change
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+   existing programs, other than to improve performance by using the new capability.
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+. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
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+   they are called when the dataset row is being deleted, there is no value in
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+   updating the current record from the query result. Instead, a new event handler
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+   "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
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+   an OnDeleteReturning event handler is provided then it is called with the IResults returned
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+   by the query. The event handler can then interrogate the query results and
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+   perform whatever action is necessary. For example to confirm, to the user,
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+   the deletion of a row with the returned values.
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+. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
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+   any Computed By or Identity Columns. The IBTables example has been updated to
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+   illustrate the computation of the employee Full Name on update.
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+. TIBTable: The GeneratorField property is now published.
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+. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
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+   When InsertSQL is generated, the Identity columns are not included in the list of values to
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+   be inserted. A RETURNING clause is added to the insert statement to return the value of
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+   each Identity column after the insert is executed.
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+. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
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+   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
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+   Insert..Returning clause.
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+. TIBGenerator: small performance improvement by not preparing query each time
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+   a new value is generated.
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+. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
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+. Property editors will now sync table name to a System Table when "Include System
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+    Tables" is selected and the query is for a System Table.
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+. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
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+    values are no longer converted to milliseconds from TDateTime and then back again
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+    to TDateTime (the conversion to milliseconds is the default TDataset approach).
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+. Property Editors handling of Stored Procedures.
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+    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
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+      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
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+      query).
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+    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
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+. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
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+    can be used to select a package. If non-empty, the stored procedure name is
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+    expected to be a stored procedure defined in the specified package and the
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+    generated SQL will be as required for a stored procedure located in a package.
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+. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
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+    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
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+    which a stored procedure can be selected. With no package name selected, non-package
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+    stored procedures are listed.
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+. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
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+    for password on reconnect.
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+. IBDatabase: use IAttachment for connection default character set id, code page
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+    and character set name.
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+. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
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+    DB info lookups"
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+. IBExtract: now supports DDL Triggers.
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+. Add a property Editor for TIBUpdate.RefreshSQL.
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+. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
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+    parameters. This stops an exception being raised when the field cannot be
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+    located in the record buffer.
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+. Property Editors now automatically include System Tables when opened and when the query table
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+    is a System Table.
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+. FB3UserManager example added to illustrate use if IBX for managing user logins, passwords
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+    and connections using IBX and with single or multiple security databases.
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+IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
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+. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
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+   changes.
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+. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
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+   Bug could result in truncated multi-byte character set values.
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+. Changes consequential on moving fbintf character set utility functions from
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+   IFirebirdAPI to IAttachment.
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+. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
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+. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
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+   results in autocomplete ignoring prefix text.
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+. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
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+   entering a new name into the text box.
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+. IBCustomDataset: ensure that TIBStringField uses the field size reported by
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+   Firebird rather than recomputing it.
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+. Property Editor positioning tidy up: All IBX Property editors should now be
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+   screen centre. Previously some were "poDesigned" which may be inappropriate
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+   for multi monitor desktops.
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+. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
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+. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
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+    a transaction and always reset the object.
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+. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
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+. TIBXScript: Allow for override of database filename in Create Database statements.
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+. IBLocaldb: Support initialisation of the database from an SQL script in addition
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+    to a gbak format archive.
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+. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
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+. IBLocaldb: Drop database if error creating an empty database.
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+. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
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+    unless selected node not in current dataset.
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+. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
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+    to TIBCustomService, and IBlocalDB code tidy up.
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+. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
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+    behaviour due to uninitialised variable.
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+. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
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+    integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
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+. IBSQL: When Database changed ensure that all resources are freed.
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+. IBCustomDataset: When database changed ensure that queries an unprepared.
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+. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
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+    * Line Wrap on SQL Token boundaries (on user command)
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+    * auto-complete table names in drop down list of table names
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+    * Double click on tablename or field name adds to SQL text
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+. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
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+. IBTreeView: Call to FindNode: param type change from "array of Variant" to
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+    TVariantArray. Seems to avoid memory corruption in Windows (probably a
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+    workaround for a problem in fpc 3.0.4 win64).
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+. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
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+. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
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+IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
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+. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
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+   include remote system name.
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+. TIBExtract: No longer include comment header and COMMIT statement for empty
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+   tables when data included in output.
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+. Profiling: IBSQL now has conditional compilation flags to enable query performance
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+   and timing information to be written to stdout. This may be used to locate
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+   performance bottlenecks.
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+. SQLParser: only call "OnChanging" event handler when value is different.
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+. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
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+. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
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+   that BindFields is called when the query is next activated. Avoids FieldName
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+   not found error.
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+. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
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+   purpose and allows the programmer to define any action they want for Update, Insert
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+   or Delete. This may be complex SQL (similar to a Trigger), application specific
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+   filtering of updates, or use of statements such as Grant or Revoke instead of
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+   normal DML. See User Manual for more information.
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+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.
+IBX Change Log  version     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
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+See also doc/readme.upgrade-4-x.to.2-0-0.xhtml for important information on
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+See also doc/IBX4LazarusGuide.pdf for important information on
+upgrading to IBX2.
+. Size property of TIBStringField is now the width in characters of the field

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Comparing ibx/trunk/changelog (file contents): Revision 47 by tony, Mon Jan 9 15:31:51 2017 UTC vs. Revision 141 by tony, Thu Jan 25 14:18:12 2018 UTC

Diff Legend

Comparing ibx/trunk/changelog (file contents):
Revision 47 by tony, Mon Jan 9 15:31:51 2017 UTC vs.
Revision 141 by tony, Thu Jan 25 14:18:12 2018 UTC