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IBX Change Log version (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100 |
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IBX Change Log version (2.2-0) Mon, 22 Jan 2018 14:21:12 +0000 |
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1. IBExtract: Identity columns - add additional check for null column for generator name. |
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2. 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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3. 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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4. 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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5. TIBTable: The GeneratorField property is now published. |
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6. 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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|
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7. 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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8. TIBGenerator: small performance improvement by not preparing query each time |
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a new value is generated. |
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9. TIBSQL: Free resources when transaction changed - ensures new transaction is used. |
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10. 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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11. 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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12. 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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13. 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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14. 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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15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting |
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for password on reconnect. |
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16. IBDatabase: use IAttachment for connection default character set id, code page |
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and character set name. |
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17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise |
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DB info lookups" |
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18. IBExtract: now supports DDL Triggers. |
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IBX Change Log version (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000 |
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1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf |
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changes. |
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2. 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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3. Changes consequential on moving fbintf character set utility functions from |
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IFirebirdAPI to IAttachment. |
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4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true |
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5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally |
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results in autocomplete ignoring prefix text. |
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6. 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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7. IBCustomDataset: ensure that TIBStringField uses the field size reported by |
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Firebird rather than recomputing it. |
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8. 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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10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node. |
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11. 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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12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows. |
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13. TIBXScript: Allow for override of database filename in Create Database statements. |
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14. 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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15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised. |
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16. IBLocaldb: Drop database if error creating an empty database. |
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17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset |
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unless selected node not in current dataset. |
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18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package) |
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to TIBCustomService, and IBlocalDB code tidy up. |
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|
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19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable |
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behaviour due to uninitialised variable. |
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|
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20. 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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21. IBSQL: When Database changed ensure that all resources are freed. |
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22. IBCustomDataset: When database changed ensure that queries an unprepared. |
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23. 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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|
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24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d). |
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25. 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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26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open. |
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27. 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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1. 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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2. 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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3. 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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4. SQLParser: only call "OnChanging" event handler when value is different. |
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5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit |
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6. 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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|
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7. 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 |
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1. TIBEvents: Fix uninitialised variable that could result in lost events. |
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2. TIBExtract: Added support for FB3 "USAGE" privilege. |
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|
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3. TIBExtract: data formatted as Charset set "octets" is now output using |
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hexadecimal notation. |
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|
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4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements |
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using a simple XML format. |
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|
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5. TIBExtract: extract of individual Triggers and Stored Procedures can now include |
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grants to these objects. |
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|
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6. TIBExtract: Stored Procedures and Views output in dependency order to avoid |
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dependency problems restoring complex databases. |
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|
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7. TIBXScript: This component has been restructured to allow for the processing of |
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embedded XML in INSERT statements and to support interactive sources in addition |
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to non-interactive data sources such as files. |
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|
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8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported. |
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9. TIBXScript: ISQL compatiable Set statements are now supported: |
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SET SQL DIALECT |
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SET TERM |
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SET AUTODDL |
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SET BAIL |
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SET ECHO |
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SET COUNT |
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SET STATS |
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SET NAMES <character set> |
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|
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10. IBVersion unit added to hold current IBX Version Number information. |
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11. TIBExtract: Use character rather than byte length for VarChar procedure arguments., |
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and domain definitions. |
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12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers |
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fully supported. |
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13. TIBExtract: when a database dump includes data, the generator values are now also set. |
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14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later. |
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IBX Change Log version (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000 |
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See also doc/IBX4LazarusGuide.pdf for important information on |
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upgrading to IBX2. |
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1. Size property of TIBStringField is now the width in characters of the field |
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and not the byte length. This applies only to multi-byte character sets such |
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as UTF8. The original approach aligned with TStringField. However, the TStringField |
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code is not recognised as a bug and hence this change to align the behaviour. |
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The TStringField change is expected in fpc 3.2.0. |
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|
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2. A new property AutoFieldSize: boolean has been added to TIBStringField. When |
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true (default) then Size property value saved in the lfm is ignored. Size is |
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always set from the dynamic information read from the database. It is unclear |
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why anyone would want to override this and set Size to false. |
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|
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3. ibxscript: should now handle correctly a Case..End statement within a procedure |
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block. |
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|
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4. IBDatabase: new property - CreateIfNotExists. If true and database does not |
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exist when an attempt is made to connect to it (run time only) then an attempt |
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is made to create the database. |
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5. IBDatabase: new event - OnCreateDatabase. This event is called after a database |
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has been successfully created as a result of a call to CreateDatabase or when |
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creating a database after it was found not to exist. |
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|
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6. DBControlGrid: a race condition could result in the wrong row image being |
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written to the cache. This has been avoided by a trip round the message |
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loop before rendering the row image. |
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|
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7. DBControlGrid: It is strongly recommended not to open the source DataSet for |
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a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is |
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known to risk corrupt rendering of row images when the control is first |
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displayed. If necessary use "Application.QueueAsyncCall" to delay opening |
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of the dataset (see DBControlGrid examples) until the Form's Window has been created. |
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|
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8. DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with |
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a TDateEdit control located on an editor panel. |
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9. TIBExtract: brought up-to-date plus many bug fixes. |
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10. DBControlGrid: Removed memory leak when updating rows. |
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11. TIBCMLocalDBSupport: fixed invalid free on upgrade. |
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IBX Change Log version (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100 |
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1. IBCustomDataset: When calling SetCodePage, no longer request transliteration |
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when target codepage is CP_NONE. This is a workaround for |
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http://bugs.freepascal.org/view.php?id=30622. |
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|
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2. DBLog option removed from TIBStatisticalService - not supported by server |
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since Firebird 1.5. |
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|
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3. ibxscript: An error is no longer generated for "on commit preserve rows" or |
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similar. |
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|
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4. IBCodePage: updated mapping between codepages and character id. |
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|
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5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in |
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Firebird. Character sets with a char width of two are not UTF16. |
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|
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6. Strings received from the database are now always transliterated into UTF8 |
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regardless of the database character set or connection character set. This |
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is for compatibility with the LCL. |
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|
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IBX Change Log version (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100 |
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1. IBBlob: Defer reading of blob until read method called. This avoids having to |
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read in an entire blob just to get the size of the blob. General performance |
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improvement when opening datasets containing blobs. |
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|
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2. Clearing a Blob now sets the corresponding field's modified flag. |
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|
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3. IBLookupCombo: When not performing auto-complete, original query sort order |
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is now used. |
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|
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4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically |
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determined. |
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|
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5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened. |
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|
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6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post |
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lazarus 1.6.0 |
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|
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7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages" |
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compilation error. |
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|
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IBX Change Log version (1.4-1) Tue, 17 May 2016 09:14:51 +0100 |
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1. No character set specified for connection: when a text blob is retrieved, the |
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character set is determined by looking up the native character set using then |
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Firebird API. Otherwise a text mode blob is assumed to have the same character |
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set as the connection. |
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|
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2. TIBGUIInterface: this is an internal interface. Minor type changes to allow |
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for Login Dialog returing a change to the database path. |
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|
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3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name |
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to be changed from that given in the TIBDatabase/TIBServer component and for the |
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entered value to be saved on a project specific basis (design time only). |
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|
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4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the |
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column fieldname. If they are the same then it is acts as a look up for the KeyValue |
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Otherwise, it sets the column text to the selected ListField Value. |
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|
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5. IBDynamicGrid: Only visible columns are now taken into account When recalculating |
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column width. |
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|
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6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given |
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and a case insensitive search is requested. |
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|
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7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls |
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or column ListSource. |
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|
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8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an |
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unprepare) when closing and the text has not changed. |
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|
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9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer. |
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Less likely to cause a cursor re-use error on Windows. |
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|
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10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin. |
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Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0. |
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|
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11. TIBTreeView: Guard against nil destination on record changed |
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|
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12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a |
| 360 |
> |
string type with the code page set to reflect the returned field encoding after |
| 361 |
> |
Firebird driver transliteration, if any. FPC 3.0.0 onwards only. Behaviour unchanged for |
| 362 |
> |
earlier versions. |
| 363 |
> |
|
| 364 |
> |
13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString |
| 365 |
> |
will now result in transliteration to the code page specified for the Firebird driver |
| 366 |
> |
if the assigned string has a different code page. FPC 3.0.0 onwards only. |
| 367 |
> |
|
| 368 |
> |
14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter |
| 369 |
> |
is ignored and the lc_ctype value, when the database is opened, is set to align with |
| 370 |
> |
the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure |
| 371 |
> |
platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC |
| 372 |
> |
3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when |
| 373 |
> |
the GETACP is used to determine the Windows code page. |
| 374 |
> |
|
| 375 |
> |
15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set |
| 376 |
> |
name used as the lc_ctype when the database was opened. Only valid while the |
| 377 |
> |
Database is connected. |
| 378 |
> |
|
| 379 |
> |
16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage |
| 380 |
> |
id that corresponds to the DefaultCharSetName. |
| 381 |
> |
|
| 382 |
> |
IBX Change Log version (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000 |
| 383 |
> |
|
| 384 |
> |
1. Unix: If Firebird Embedded Server shared object is loaded and a local database |
| 385 |
> |
path is given and database attach fails due to access permission issues on the |
| 386 |
> |
temp directory or security database, then the attach is retried with "localhost:" |
| 387 |
> |
prefixing the databasename. This should avoid problems when the database has to |
| 388 |
> |
be accessed by a local (e.g. classic) server and libfbembed is used. |
| 389 |
> |
|
| 390 |
> |
2. Windows: revised search order for Firebird DLL: |
| 391 |
> |
i. The Firebird Embedded Server in the application Directory. |
| 392 |
> |
ii. If the FIREBIRD environment variable is set then the directory this |
| 393 |
> |
points to is searched for the FB Client DLL and then then underlying |
| 394 |
> |
"bin" directory. |
| 395 |
> |
iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances |
| 396 |
> |
is used to locate the Firebird installation directory and the underlying |
| 397 |
> |
"bin" directory is searched for the FB Client DLL. |
| 398 |
> |
iv. The Default installation directories C:\Program Files\Firebird\Firebird_2_x |
| 399 |
> |
are searched for the FB Client DLL. |
| 400 |
> |
v. The PATH Environment variable is used to search for the FB Client DLL. |
| 401 |
> |
vi. Finally the PATH Environment variable is used to search for IBASE.DLL. |
| 402 |
> |
|
| 403 |
> |
3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine. |
| 404 |
> |
See doc/readme.scriptengine and example applications. |
| 405 |
> |
|
| 406 |
> |
4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to |
| 407 |
> |
simplify the use of the embedded firebird server on both Linux and Windows platforms. |
| 408 |
> |
See dpc/readme.localdatabase and example applications. |
| 409 |
> |
|
| 410 |
> |
5. IBDynamicGrid: Reordering on column header click should now also work for |
| 411 |
> |
dynamic columns. |
| 412 |
> |
|
| 413 |
> |
6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition |
| 414 |
> |
between incrementing/decrementing the lock count and signalling the event. |
| 415 |
> |
|
| 416 |
> |
IBX Change Log version (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000 |
| 417 |
> |
|
| 418 |
> |
1.3.2 was never formally released and only made available as beta copies. |
| 419 |
> |
|
| 420 |
> |
1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo |
| 421 |
> |
|
| 422 |
> |
2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column |
| 423 |
> |
|
| 424 |
> |
3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early |
| 425 |
> |
|
| 426 |
> |
4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset |
| 427 |
> |
i.e. when it is a calculated field |
| 428 |
> |
|
| 429 |
> |
5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid. |
| 430 |
> |
This problem was due to a race condition between recalculating row heights and |
| 431 |
> |
determining which row was selected by the mouse click. The row height calculation |
| 432 |
> |
is now deferred by an extra trip round the message loop allowing the row to |
| 433 |
> |
be always calculated on the current grid layout rather than risking it being |
| 434 |
> |
calculated on the grid layout after the expanded row has been shrunk. |
| 435 |
> |
|
| 436 |
> |
6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on |
| 437 |
> |
Windows. |
| 438 |
> |
|
| 439 |
> |
7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer; |
| 440 |
> |
These properties allow the (Firebird) character set name for the field and the max number of bytes per character |
| 441 |
> |
to be determined at runtime. See doc/readme.charactersets.html. |
| 442 |
> |
|
| 443 |
> |
8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from |
| 444 |
> |
TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html. |
| 445 |
> |
|
| 446 |
> |
9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from |
| 447 |
> |
TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of |
| 448 |
> |
1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html. |
| 449 |
> |
|
| 450 |
> |
Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated |
| 451 |
> |
from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero |
| 452 |
> |
implies no truncation. |
| 453 |
> |
|
| 454 |
> |
10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active. |
| 455 |
> |
|
| 456 |
> |
11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state |
| 457 |
> |
(avoids "Not in Edit Mode" error). |
| 458 |
> |
|
| 459 |
> |
12. IBDynamicGrid: Correctly resize grid when one column width plus indicator. |
| 460 |
> |
|
| 461 |
> |
13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling |
| 462 |
> |
DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control. |
| 463 |
> |
|
| 464 |
> |
14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent. |
| 465 |
> |
|
| 466 |
> |
15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls |
| 467 |
> |
|
| 468 |
> |
16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked. |
| 469 |
> |
|
| 470 |
> |
17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened. |
| 471 |
> |
|
| 472 |
> |
IBX Change Log version (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100 |
| 473 |
> |
|
| 474 |
> |
1. OnCloseUp Event Handler added to TDBLookupProperties |
| 475 |
> |
|
| 476 |
> |
2. IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids |
| 477 |
> |
problem with row size when exception is called. |
| 478 |
> |
|
| 479 |
> |
3. IBLookupComboEditBox: Force pending autocomplete on combobox exit. |
| 480 |
> |
|
| 481 |
> |
4. IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if |
| 482 |
> |
in a TCustomComboBox and ignores return key if in a TCustomMemo |
| 483 |
> |
|
| 484 |
> |
5. IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text |
| 485 |
> |
keyed in i.e. when autocomplete not performed |
| 486 |
> |
|
| 487 |
> |
6. Cleanup of "Uses" clauses and add console mode support. IBX should now support |
| 488 |
> |
console mode applications with all LCL required functions (builtin dialogs and |
| 489 |
> |
cursor management) centralised in the IBDialogs unit. As long as "IBDialogs" is |
| 490 |
> |
not included in your project, IBX should compile and link with a console mode program. |
| 491 |
> |
See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a |
| 492 |
> |
console mode application or the IDE will automatically assume that your |
| 493 |
> |
application is GUI based. Instead, you should include the ibexpressconsolemode package. |
| 494 |
> |
|
| 495 |
> |
IMPORTANT NOTE: IBDialogs must be included in GUI applications in order |
| 496 |
> |
to use the built in dialogs and cursor management. IBDialogs is |
| 497 |
> |
included by default if "ibexpress" is in your project source's "uses" clause. |
| 498 |
> |
This should be the case for all projects created through the IDE. This is why |
| 499 |
> |
you do not want to add the ibexpress package to console mode applications. The |
| 500 |
> |
ibexpressconsolemode package has been created to allow console mode programs |
| 501 |
> |
to avoid adding LCL dependencies when using IBX, while still having the |
| 502 |
> |
unit search paths set up correctly. |
| 503 |
> |
|
| 504 |
> |
Existing users should check to ensure that the "ibexpress" unit is included in |
| 505 |
> |
each project's source file (*.lpr). |
| 506 |
> |
|
| 507 |
> |
You may find that in order for the IDE to recognise that ibexpressconsolemode |
| 508 |
> |
exists, you have to first open the package in the IDE and then close it. This |
| 509 |
> |
adds it to the most recently accessed packages list. To make it permanently |
| 510 |
> |
available, add the package name to lazarus' staticpackages.inc file. |
| 511 |
> |
|
| 512 |
> |
Thanks to Julio Jiménez for suggesting support of console mode. |
| 513 |
> |
|
| 514 |
> |
7. SQL Parser can now accept quoted strings that include new lines |
| 515 |
> |
|
| 516 |
> |
8. IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end |
| 517 |
> |
of text on start of edit. This is particularly useful when tabbing to a |
| 518 |
> |
column and then inserting text. |
| 519 |
> |
|
| 520 |
> |
9. New Examples provided for IB Services and ISQLMonitor. |
| 521 |
> |
|
| 522 |
> |
10. Fix error when writing to blob streams that recorded only the last buffer |
| 523 |
> |
write in the blob stream. In most cases, this did not cause a problem as the |
| 524 |
> |
IB Blob Stream is written in a single write. However, with the TDBImage, write |
| 525 |
> |
of a graphic type prefix was lost which caused a problem when the image could |
| 526 |
> |
not be automatically recognised. |
| 527 |
> |
|
| 528 |
> |
11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor |
| 529 |
> |
already open" errors due to random numbers used for the cursor name being identical. |
| 530 |
> |
|
| 531 |
> |
12. IBTable: corrected error that could result in an "Index out of bounds" error |
| 532 |
> |
when opening the table and the Primary Key is the last or only column in the |
| 533 |
> |
table. Thanks to Rick Hoover for the fix. |
| 534 |
> |
|
| 535 |
> |
13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead |
| 536 |
> |
of "UTF-8", and update list of available database character sets. Existing |
| 537 |
> |
users should check the current lc_ctype setting in their applications. |
| 538 |
> |
|
| 539 |
> |
IBX Change Log version (1.2-4) Sat, 09 May 2015 12:38:29 +0100 |
| 540 |
> |
|
| 541 |
> |
1. Firebird Services: avoid List Index error when opening a service with an |
| 542 |
> |
empty Params property. |
| 543 |
> |
|
| 544 |
> |
2. IBControls: Fix problem with new link mechanism introduced in 1.2.3. |
| 545 |
> |
Link now set up in Loaded method - avoids occasional failure to apply |
| 546 |
> |
SQL markup on initial open. |
| 547 |
> |
|
| 548 |
> |
3. "Employees" example performance improvements when scrolling. |
| 549 |
> |
|
| 550 |
> |
4. DBControlGrid: Correctly handle edit panel removal when panel is child control of a |
| 551 |
> |
TFrame. Force recaching of selected frame to avoid GTK race (results in a |
| 552 |
> |
random image cached). |
| 553 |
> |
|
| 554 |
> |
5. DBControlGrid: Should now react to changes in panel height at run time. |
| 555 |
> |
|
| 556 |
> |
6. IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid |
| 557 |
> |
even when further rows exist. |
| 558 |
> |
|
| 559 |
> |
7. DBControlGrid: DefaultRowHeight is no longer a published property as it should |
| 560 |
> |
always be derived from panel height and setting this property can cause confusion. |
| 561 |
> |
Note for existing projects: to avoid a missing property error at run time, |
| 562 |
> |
each form using the DBControlGrid must be opened, updated and saved in the IDE |
| 563 |
> |
in order to remove the property value from the lfm. |
| 564 |
> |
|
| 565 |
> |
|
| 566 |
> |
IBX Change Log version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100 |
| 567 |
> |
|
| 568 |
> |
1. TIBStoredProc. Prepare now called by ParamByName to avoid need to always |
| 569 |
> |
call Prepare before setting parameter values. |
| 570 |
> |
|
| 571 |
> |
2. Error message on ParamByName (all cases) not found now includes name of missing parameter. |
| 572 |
> |
|
| 573 |
> |
3. Code tidyup and more robust handling of dsql information result vector. |
| 574 |
> |
|
| 575 |
> |
4. Support for centralised handling of transaction status changes. TIBTransaction |
| 576 |
> |
has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost" |
| 577 |
> |
and "AfterExecQuery". The first three are called after the same event is called |
| 578 |
> |
for an IBCustomDataSet descendent using the Transaction. The fourth is called |
| 579 |
> |
after a call to TIBSQL.ExecQuery, again using this transaction. These new events |
| 580 |
> |
enable monitoring of transaction status changes for a given transaction to be |
| 581 |
> |
handled in a single place. For example, when a change to the dataset occurs |
| 582 |
> |
an indicator can be set that shows the user that in order to save changes, |
| 583 |
> |
the transaction should be committed. Rather than doing this per dataset, this |
| 584 |
> |
can now be done per transaction. |
| 585 |
> |
|
| 586 |
> |
5. TDataSet.CheckBrowseMode automatically posts changes to the current row when |
| 587 |
> |
the dataset is scrolled. However, any changes to the current row are, by default, |
| 588 |
> |
discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now |
| 589 |
> |
have a new property "DataSetCloseAction" that adds automatic posting of changes |
| 590 |
> |
on dataset close. If this property is set to dcDiscardChanges (default) then the |
| 591 |
> |
behaviour is unchanged from previous versions. if the value is set to dcSaveChanges |
| 592 |
> |
then IBX will attempt to post any unsaved changes before the dataset is closed |
| 593 |
> |
(and after the BeforeClose event handler is called). The exception is when the |
| 594 |
> |
dataset is being closed as a result of a transaction rollback. In this case, |
| 595 |
> |
no action is taken and any unsaved changes are discarded. This avoids both |
| 596 |
> |
unnecessary overhead and the risk that a validation error may occur in the Post |
| 597 |
> |
raising an exception and thereby preventing a rollback. |
| 598 |
> |
|
| 599 |
> |
6. String Field sizes and Display Widths should now be correct for multi-byte character sets. |
| 600 |
> |
In earlier versions, the Display Width was set to the maximum byte width rather than the character |
| 601 |
> |
width. Display Widths are now corrected by dividing by the max byte width per character. |
| 602 |
> |
For UTF8 character sets, the byte width is four and hence the Display Width will be |
| 603 |
> |
the byte width divided by 4. The byte width of each character set is determined |
| 604 |
> |
dynamically when the database connection is estabished from the RDB$CHARACTER_SETS |
| 605 |
> |
system table. (see also http://bugs.freepascal.org/view.php?id=27766). |
| 606 |
> |
|
| 607 |
> |
7. SQLParser will now correctly parse SQL Text which contains ':' within quoted string. |
| 608 |
> |
|
| 609 |
> |
8. IBLookupComboEditBox: List should now always be restored to full list when the |
| 610 |
> |
control loses focus. Default Key press default interval reduced to 200ms. |
| 611 |
> |
|
| 612 |
> |
9. DBControlGrid: Ensure that selection is changed to newly appended row, even |
| 613 |
> |
when dataset rows are less than visible rows. |
| 614 |
> |
|
| 615 |
> |
10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource |
| 616 |
> |
does not exist or DataSet is empty. More responsive on dataset open. New event |
| 617 |
> |
OnRestorePosition. Column sort disabled if no header row. |
| 618 |
> |
|
| 619 |
> |
11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset |
| 620 |
> |
while dataset state is dsInsert. Avoids posting errors. |
| 621 |
> |
|
| 622 |
> |
12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to |
| 623 |
> |
avoid conflict with DisableControls/EnableControls with Master/Detail linked tables. |
| 624 |
> |
|
| 625 |
> |
13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes. |
| 626 |
> |
|
| 627 |
> |
14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced |
| 628 |
> |
to solve a specific problem. That is when the dataset cursor is moved (e.g. by |
| 629 |
> |
a grid mouse click and the current row is being edited or inserted. In this case, TDataset |
| 630 |
> |
always "posts" the current record regardless or whether or not it may be more appropriate |
| 631 |
> |
to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the |
| 632 |
> |
"MoveBy" function is implemented by TDataSet. The OnValidatePost event is called |
| 633 |
> |
as the first action of the "Post" method and allows the handler to convert the Post |
| 634 |
> |
into a Cancel if that is the appropriate action on moving to a different row. This is |
| 635 |
> |
achieved by returning with "CancelPost" argument set to true. Note that an exception could be |
| 636 |
> |
raised here, but it may still be more appropriate to validate a post and signal |
| 637 |
> |
a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml) |
| 638 |
> |
|
| 639 |
> |
15. On Unix derived systems, the Firebird library name can now be given as a colon |
| 640 |
> |
separated list. Each library name on the list is tried in turn, in left to right |
| 641 |
> |
order with the first found being used as the firebird library. By default, on Linux, |
| 642 |
> |
the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be |
| 643 |
> |
overidden by the FBLIB environment variable or the OnGetLibraryName function. |
| 644 |
> |
|
| 645 |
> |
Note: when using the libfbembed.so, if you prefix the database name with "localhost:" |
| 646 |
> |
then it will still attempt to access the database via the Firebird Server and will |
| 647 |
> |
require a username and password. If only the pathname is given, then the username |
| 648 |
> |
and password should be omitted and the unix file permissions are used to grant |
| 649 |
> |
access. |
| 650 |
> |
|
| 651 |
> |
IBX Change Log version (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000 |
| 652 |
> |
|
| 653 |
> |
1. A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike |
| 654 |
> |
rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid |
| 655 |
> |
that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row |
| 656 |
> |
corresponds to a row of the linked DataSource. Any data aware control on the |
| 657 |
> |
replicated (e.g.) TPanel will then appear to have the appropriate value for the row. |
| 658 |
> |
|
| 659 |
> |
2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase. |
| 660 |
> |
When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change |
| 661 |
> |
takes place during database access. This may be useful when there are performance issues with |
| 662 |
> |
the change of cursor. Setting the property to false suppresses the change of cursor. |
| 663 |
> |
|
| 664 |
> |
3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery |
| 665 |
> |
and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to |
| 666 |
> |
Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of |
| 667 |
> |
making all changes permanent immediately rather than when the transaction is explicitly |
| 668 |
> |
committed. |
| 669 |
> |
|
| 670 |
> |
4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still |
| 671 |
> |
using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature. |
| 672 |
> |
|
| 673 |
> |
IBX Change Log version (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000 |
| 674 |
> |
|
| 675 |
> |
Development version only. |
| 676 |
> |
|
| 677 |
> |
IBX Change Log version (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000 |
| 678 |
> |
|
| 679 |
> |
1. An internal select SQL Parser is now available for TIBCustomDataset descendents. |
| 680 |
> |
This is typically used during an "OnBeforeOpen" event handler to manipulate the |
| 681 |
> |
"Where" and "Having" clauses to implement user specified filters of arbitrary |
| 682 |
> |
complexity. |
| 683 |
> |
|
| 684 |
> |
2. A new Component Palette entry "Firebird Data Controls" is now available. This has |
| 685 |
> |
three new data aware controls dependent on IBX and which make use of the SQL Parser. |
| 686 |
> |
These are: |
| 687 |
> |
|
| 688 |
> |
- TIBLookupComboEditBox |
| 689 |
> |
- TIBDynamicGrid |
| 690 |
> |
- TIBTreeview |
| 691 |
> |
|
| 692 |
> |
TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete" |
| 693 |
> |
of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation |
| 694 |
> |
to revise the available list and restrict it to items that are prefixed by the |
| 695 |
> |
typed text (either case sensitive or case insensitive). Autoinsert allows a |
| 696 |
> |
newly typed entry to be added to the list dataset and included in the available |
| 697 |
> |
list items. |
| 698 |
> |
|
| 699 |
> |
TIBDynamicGrid is a TDBGrid descendent that provides for: |
| 700 |
> |
- automatic resizing of selected columns to fill the available row length |
| 701 |
> |
- automatic positioning and sizing of a "totals" control, typically at the |
| 702 |
> |
column footer, on a per column basis. |
| 703 |
> |
- DataSet resorting on header row click, sorting the dataset by the selected column. |
| 704 |
> |
A second click on the same header cell reversed the sort order. |
| 705 |
> |
- Support for a "Panel Editor". That is on clicking the indicator column, the row |
| 706 |
> |
is automatically expanded and a panel superimposed on it. The panel can have any |
| 707 |
> |
number of child controls, typically data aware controls with the same datasource |
| 708 |
> |
as the grid allowing for editing of additional fields and more complex editors. |
| 709 |
> |
- Reselection of the same row following resorting. |
| 710 |
> |
- A new cell editor that provides the same functionality as TIBLookupComboEditBox. |
| 711 |
> |
Its properties are specified on a per column basis and allows for one or more |
| 712 |
> |
columns to have their values selected from a list provided by a dataset. |
| 713 |
> |
Autocomplete and autoinsert are also available. The existing picklist editor |
| 714 |
> |
is unaffected by the extension. |
| 715 |
> |
|
| 716 |
> |
TIBTreeView is a data aware TCustomTreeView. |
| 717 |
> |
|
| 718 |
> |
3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a |
| 719 |
> |
zero scale will no longer return an error. An Int64 will be returned instead. |
| 720 |
> |
|
| 721 |
> |
4. TIBTransaction now has events for Before and After Transaction End and a new function |
| 722 |
> |
"GetEndAction" allowing the EndAction to be accessed by these event handlers. |
| 723 |
> |
|
| 724 |
> |
5. TIBQuery can now handle correctly queries which contain the same keyword parameter |
| 725 |
> |
repeated multiple times. |
| 726 |
> |
|
| 727 |
> |
6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error |
| 728 |
> |
check used to get in the way of using Stored Procedures, and "Update or Insert" |
| 729 |
> |
statements. |
| 730 |
> |
|
| 731 |
> |
7. Insert, Modify and Delete property Editors now support Query Generation from |
| 732 |
> |
Stored Procedures. |
| 733 |
> |
|
| 734 |
> |
8. Three new examples illustrate the use of the new IB Controls |
| 735 |
> |
|
| 736 |
> |
|
| 737 |
> |
IBX Change Log version (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100 |
| 738 |
|
|
| 739 |
|
1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter |
| 740 |
|
setting performance. See "readme.field+param.names in the doc folder.(Thanks to |
