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IBX Change Log version > (1.0-1) Sun, 05 Aug 2012 19:28:14 +0100 |
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IBX Change Log version (1.3-0) Tue, 14 Jul 2015 16:32:40 +0100 |
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1. OnCloseUp Event Handler added to TDBLookupProperties |
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2. IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids |
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problem with row size when exception is called. |
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3. IBLookupComboEditBox: Force pending autocomplete on combobox exit. |
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4. IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if |
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in a TCustomComboBox and ignores return key if in a TCustomMemo |
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5. IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text |
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keyed in i.e. when autocomplete not performed |
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6. Cleanup of "Uses" clauses and console mode support. IBX should now support |
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console mode applications with all LCL required functions centralised in the |
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IBDialogs unit. As long as "IBDialogs" is not included in your project, IBX |
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should compile and link with a console mode program. See consolemode example |
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for further guidence. DO NOT add the ibexpress package to a console mode |
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application or the IDE will automatically assume that you application is |
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GUI based. Instead, you should include the ibexpressconsolemode package. |
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IMPORTANT NOTE: IBDialogs must be included in GUI applications in order |
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to use the built in dialogs and cursor management. IBDialogs is |
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included by default if "ibexpress" is in your project source "uses" clause. |
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This should be the case for all projects created through the IDE. This is why |
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you do not want to add the ibexpress package to console mode applications. The |
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ibexpressconsolemode package has been created to allow console mode programs |
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to avoid adding LCL dependencies when using IBX, while still having the |
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unit search paths set up correctly. |
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You may find that in order for the IDE to recognise that ibexpressconsolemode |
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exists, you have to first open the package in the IDE and then close it. This |
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adds it to the most recently accessed packages list. To make it permanently |
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available, add the package name to lazarus' staticpackages.inc file. |
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Under Windows, the TISQLMonitor OnSQL Event Handler may require a new call to |
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Application.ProcessMessages in order to display an event journal correctly. See |
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example. This was previously called by TISQLMonitor itself but removed to avoid |
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a GUI dependency. |
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Thansk to Julio Jiménez for suggesting support of console mode. |
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7. SQL Parser can now accept quoted strings that include new lines |
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8. IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end |
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of text on start of edit. This is particularly useful when tabbing to a |
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column and then inserting text. |
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9. New Examples provided for IB Services and ISQLMonitor. |
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10. Fix error when writing to blob streams that recorded only the last buffer |
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write in the blob stream. In most cases, this did not cause a problem as the |
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IB Blob Stream is written in a single write. However, with the TDBImage, write |
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of a graphic type prefix was lost which caused a problem when the image could |
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not be automatically recognised. |
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11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor |
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already open" errors due to random numbers being identical. |
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12. IBTable: corrected error that could result in an "Index out of bounds" error |
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when opening the table and the Primary Key is the last or only column in the |
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table. Thanks to Rick Hoover for the fix. |
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IBX Change Log version (1.2-4) Sat, 09 May 2015 12:38:29 +0100 |
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1. Firebird Services: avoid List Index error when opening a service with an |
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empty Params property. |
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2. IBControls: Fix problem with new link mechanism introduced in 1.2.3. |
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Link now set up in Loaded method - avoids occasional failure to apply |
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SQL markup on initial open. |
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3. "Employees" example performance improvements when scrolling. |
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4. DBControlGrid: Correctly handle edit panel removal when panel is child control of a |
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TFrame. Force recaching of selected frame to avoid GTK race (results in a |
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random image cached). |
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5. DBControlGrid: Should now react to changes in panel height at run time. |
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6. IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid |
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even when further rows exist. |
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7. DBControlGrid: DefaultRowHeight is no longer a published property as it should |
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always be derived from panel height and setting this property can cause confusion. |
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Note for existing projects: to avoid a missing property error at run time, |
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each form using the DBControlGrid must be opened, updated and saved in the IDE |
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in order to remove the property value from the lfm. |
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IBX Change Log version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100 |
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1. TIBStoredProc. Prepare now called by ParamByName to avoid need to always |
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call Prepare before setting parameter values. |
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2. Error message on ParamByName (all cases) not found now includes name of missing parameter. |
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3. Code tidyup and more robust handling of dsql information result vector. |
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4. Support for centralised handling of transaction status changes. TIBTransaction |
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has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost" |
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and "AfterExecQuery". The first three are called after the same event is called |
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for an IBCustomDataSet descendent using the Transaction. The fourth is called |
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after a call to TIBSQL.ExecQuery, again using this transaction. These new events |
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enable monitoring of transaction status changes for a given transaction to be |
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handled in a single place. For example, when a change to the dataset occurs |
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an indicator can be set that shows the user that in order to save changes, |
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the transaction should be committed. Rather than doing this per dataset, this |
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can now be done per transaction. |
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5. TDataSet.CheckBrowseMode automatically posts changes to the current row when |
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the dataset is scrolled. However, any changes to the current row are, by default, |
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discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now |
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have a new property "DataSetCloseAction" that adds automatic posting of changes |
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on dataset close. If this property is set to dcDiscardChanges (default) then the |
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behaviour is unchanged from previous versions. if the value is set to dcSaveChanges |
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then IBX will attempt to post any unsaved changes before the dataset is closed |
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(and after the BeforeClose event handler is called). The exception is when the |
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dataset is being closed as a result of a transaction rollback. In this case, |
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no action is taken and any unsaved changes are discarded. This avoids both |
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unnecessary overhead and the risk that a validation error may occur in the Post |
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raising an exception and thereby preventing a rollback. |
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6. String Field sizes and Display Widths should now be correct for multi-byte character sets. |
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In earlier versions, the Display Width was set to the maximum byte width rather than the character |
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width. Display Widths are now corrected by dividing by the max byte width per character. |
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For UTF8 character sets, the byte width is four and hence the Display Width will be |
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the byte width divided by 4. The byte width of each character set is determined |
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dynamically when the database connection is estabished from the RDB$CHARACTER_SETS |
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system table. (see also http://bugs.freepascal.org/view.php?id=27766). |
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7. SQLParser will now correctly parse SQL Text which contains ':' within quoted string. |
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8. IBLookupComboEditBox: List should now always be restored to full list when the |
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control loses focus. Default Key press default interval reduced to 200ms. |
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9. DBControlGrid: Ensure that selection is changed to newly appended row, even |
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when dataset rows are less than visible rows. |
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10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource |
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does not exist or DataSet is empty. More responsive on dataset open. New event |
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OnRestorePosition. Column sort disabled if no header row. |
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11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset |
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while dataset state is dsInsert. Avoids posting errors. |
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12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to |
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avoid conflict with DisableControls/EnableControls with Master/Detail linked tables. |
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13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes. |
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14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced |
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to solve a specific problem. That is when the dataset cursor is moved (e.g. by |
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a grid mouse click and the current row is being edited or inserted. In this case, TDataset |
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always "posts" the current record regardless or whether or not it may be more appropriate |
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to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the |
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"MoveBy" function is implemented by TDataSet. The OnValidatePost event is called |
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as the first action of the "Post" method and allows the handler to convert the Post |
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into a Cancel if that is the appropriate action on moving to a different row. This is |
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achieved by returning with "CancelPost" argument set to true. Note that an exception could be |
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raised here, but it may still be more appropriate to validate a post and signal |
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a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml) |
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15. On Unix derived systems, the Firebird library name can now be given as a colon |
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separated list. Each library name on the list is tried in turn, in left to right |
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order with the first found being used as the firebird library. By default, on Linux, |
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the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be |
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overidden by the FBLIB environment variable or the OnGetLibraryName function. |
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Note: when using the libfbembed.so, if you prefix the database name with "localhost:" |
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then it will still attempt to access the database via the Firebird Server and will |
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require a username and password. If only the pathname is given, then the username |
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and password should be omitted and the unix file permissions are used to grant |
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access. |
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IBX Change Log version (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000 |
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1. A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike |
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rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid |
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that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row |
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corresponds to a row of the linked DataSource. Any data aware control on the |
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replicated (e.g.) TPanel will then appear to have the appropriate value for the row. |
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2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase. |
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When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change |
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takes place during database access. This may be useful when there are performance issues with |
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the change of cursor. Setting the property to false suppresses the change of cursor. |
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3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery |
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and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to |
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Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of |
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making all changes permanent immediately rather than when the transaction is explicitly |
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committed. |
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4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still |
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using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature. |
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IBX Change Log version (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000 |
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Development version only. |
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IBX Change Log version (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000 |
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1. An internal select SQL Parser is now available for TIBCustomDataset descendents. |
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This is typically used during an "OnBeforeOpen" event handler to manipulate the |
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"Where" and "Having" clauses to implement user specified filters of arbitrary |
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complexity. |
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2. A new Component Palette entry "Firebird Data Controls" is now available. This has |
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three new data aware controls dependent on IBX and which make use of the SQL Parser. |
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These are: |
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- TIBLookupComboEditBox |
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- TIBDynamicGrid |
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- TIBTreeview |
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TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete" |
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of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation |
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to revise the available list and restrict it to items that are prefixed by the |
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typed text (either case sensitive or case insensitive). Autoinsert allows a |
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newly typed entry to be added to the list dataset and included in the available |
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list items. |
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TIBDynamicGrid is a TDBGrid descendent that provides for: |
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- automatic resizing of selected columns to fill the available row length |
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- automatic positioning and sizing of a "totals" control, typically at the |
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column footer, on a per column basis. |
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- DataSet resorting on header row click, sorting the dataset by the selected column. |
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A second click on the same header cell reversed the sort order. |
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- Support for a "Panel Editor". That is on clicking the indicator column, the row |
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is automatically expanded and a panel superimposed on it. The panel can have any |
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number of child controls, typically data aware controls with the same datasource |
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as the grid allowing for editing of additional fields and more complex editors. |
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- Reselection of the same row following resorting. |
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- A new cell editor that provides the same functionality as TIBLookupComboEditBox. |
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Its properties are specified on a per column basis and allows for one or more |
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columns to have their values selected from a list provided by a dataset. |
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Autocomplete and autoinsert are also available. The existing picklist editor |
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is unaffected by the extension. |
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TIBTreeView is a data aware TCustomTreeView. |
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3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a |
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zero scale will no longer return an error. An Int64 will be returned instead. |
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4. TIBTransaction now has events for Before and After Transaction End and a new function |
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"GetEndAction" allowing the EndAction to be accessed by these event handlers. |
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5. TIBQuery can now handle correctly queries which contain the same keyword parameter |
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repeated multiple times. |
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6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error |
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check used to get in the way of using Stored Procedures, and "Update or Insert" |
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statements. |
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7. Insert, Modify and Delete property Editors now support Query Generation from |
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Stored Procedures. |
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8. Three new examples illustrate the use of the new IB Controls |
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IBX Change Log version (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100 |
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1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter |
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setting performance. See "readme.field+param.names in the doc folder.(Thanks to |
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Gabor Boros for reporting this problem and for testing the improvements). |
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2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case. |
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See readme.field+param.names in the doc folder. |
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3. IBX SQL Editors will now automatically add double quotes around column names when the database |
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dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word. |
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4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc |
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5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once" |
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actions. |
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6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with |
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thanks to Yuriy Kopnin for pointing this out). |
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7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet. |
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8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types |
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for both fields and parameter setting. |
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9. Changes to the Select SQL in an IBCustomDataset descendent should now be |
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visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property. |
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10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test, |
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when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true. |
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11. TIBTable now has a property editor for "MasterFields" |
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12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the |
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GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters. |
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13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination |
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of settings is unrecognised. Selecting this radio button has no effect on the settings. |
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IBX Change Log version (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000 |
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1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change. |
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IBX Change Log version (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000 |
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1. In a TIBCustomDataset descendent, a generator now only sets the value when |
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it is null. This allows for alternative user defined setting of the generator |
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Many thanks to Julio Jiménez for this fix |
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2. An Error Dialog is now displayed in the Lazarus IDE if IBX cannot find the Firebird Library |
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and suggests that the user may have forgotten to install it. |
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IBX Change Log version (1.0-3) Thu, 22 Nov 2012 22:53:39 +0000 |
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1. Conditional compilation used to limit registration of TIntegerField to |
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Lazarus versions less than 1.1 |
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2. When a database connection is created, character set is now by default set |
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to UTF8 (Unix) or to the current Windows code page (Windows) if in the range |
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1250 to 1254. |
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IBX Change Log version (1.0-2) Tue, 09 Oct 2012 09:10:30 +0100 |
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1. TBookmark change conditional compile changed to > 2.6.2 to match expected availability of change. |
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IBX Change Log version (1.0-1) Sun, 05 Aug 2012 20:00:04 +0100 |
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1. In IBCustomDataset. Changed CurBookmark from string to TBookmark for compiler versions > 2.6.0 |
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Necessary because of TBookmark type and TDataSet.Bookmark property change in fpc 2.7.1 |
