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Revision 29 by tony, Sat May 9 11:37:49 2015 UTC vs.
Revision 303 by tony, Fri Jul 17 22:29:57 2020 UTC

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1	<	IBX Change Log  version                                                              (1.2-4) Sat, 09 May 2015 12:38:29 +0100
1	>	FBINTF Change Log  version          (1.1-6 Build 12214) Fri, 17 Jul 2020 23:10:11 +0100
2
3	<	1.  Firebird Services: avoid List Index error when opening a service with an
4	<	empty Params property.
3	>	1. GetImplementationVersion now correctly returns '3.0' for Firebird 3 API
4	>	with a Firebrid 3 client library.
5
6	<	2.  IBControls: Fix problem with new link mechanism introduced in 1.2.3.
7	<	Link now set up in Loaded method - avoids occasional failure to apply
8	<	SQL markup on initial open.
6	>	2. Linux Only: FIREBIRD environment variable is now checked when loading the client library.
7	>	If a client library path is not explicitly provided and the FIREBIRD environment
8	>	variable is set then the directory given by this variable and any 'lib' subdirectory
9	>	are searched for the Firebird client library. Only if none is found, is the default
10	>	client library used.
11
12	<	3.  "Employees" example performance improvements when scrolling.
12	>	3.  IUtil.FormatStatus now used to format error messages when using new API
13
14	<	4.  DBControlGrid: Correctly handle edit panel removal when panel is child control of a
13	<	TFrame. Force recaching of selected frame to avoid GTK race (results in a
14	<	random image cached).
14	>	4.  Fixed Array SDL: array_desc_scale now correctly encoded as a signed integer.
15
16	<	5.  DBControlGrid: Should now react to changes in panel height at run time.
16	>	5.  SQL_TEXT handling changed. When the value of an SQL_TEXT (i.e. fixed width string) column is
17	>	returned using GetAsString and the string codepage is UTF8, the string is truncated so
18	>	that the byte length corresponds to the number of characters specified for the column.
19	>	SQL_TEXT strings are no longer automatically trimmed to remove all trailing white space. This is
20	>	correct behaviour but may affect some implementations that relied upon automatic
21	>	trimming of trailing white space.
22
23	<	6.  IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid
24	<	even when further rows exist.
23	>	6.  New IFirebirdAPI Calls:
24	>	function GetClientMajor: integer;
25	>	function GetClientMinor: integer;
26
21	–	7.  DBControlGrid: DefaultRowHeight is no longer a published property as it should
22	–	always be derived from panel height and setting this property can cause confusion.
23	–	Note for existing projects: to avoid a missing property error at run time,
24	–	each form using the DBControlGrid must be opened, updated and saved in the IDE
25	–	in order to remove the property value from the lfm.
27
28	+	FBINTF Change Log  version          (1.1-5 Build 12044) Fri, 17 Apr 2020 12:30:01 +0100
29
30	<	IBX Change Log  version                                                          (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
30	>	1. ISQLParams.GetHasCaseSensitiveParams added. Returns true if param names are
31	>	case sensitive
32
33	<	1.  TIBStoredProc. Prepare now called by ParamByName to avoid need to always
31	<	call Prepare before setting parameter values.
33	>	2. Single line SQL comments starting with '--' are now recognised by SQL Parser.
34
35	<	2.  Error message on ParamByName (all cases) not found now includes name of missing parameter.
35	>	3. New API Calls:
36	>	IColumnMetaData.GetStatement
37	>	IColumnMetaData.GetTransaction
38	>	ISQLData.GetStrLength
39	>	IResults.GetStatement
40	>	IAttachment.OpenBlob (using Blob metadata)
41	>	IAttachment.OpenArray (using array metadata)
42
43	<	3.  Code tidyup and more robust handling of dsql information result vector.
43	>	4. FBMessages: removal of unused messages
44
45	<	4.  Support for centralised handling of transaction status changes. TIBTransaction
38	<	has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
39	<	and "AfterExecQuery". The first three are called after the same event is called
40	<	for an IBCustomDataSet descendent using the Transaction. The fourth is called
41	<	after a call to TIBSQL.ExecQuery, again using this transaction. These new events
42	<	enable monitoring of transaction status changes for a given transaction to be
43	<	handled in a single place. For example, when a change to the dataset occurs
44	<	an indicator can be set that shows the user that in order to save changes,
45	<	the transaction should be committed.  Rather than doing this per dataset, this
46	<	can now be done per transaction.
45	>	5. TFBArray.Create (2nd case): ensure that FFirebirdClientAPI is correctly set.
46
47	<	5.  TDataSet.CheckBrowseMode automatically posts changes to the current row when
49	<	the dataset is scrolled. However, any changes to the current row are, by default,
50	<	discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
51	<	have a new property "DataSetCloseAction" that adds automatic posting of changes
52	<	on dataset close. If this property is set to dcDiscardChanges (default) then the
53	<	behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
54	<	then IBX will attempt to post any unsaved changes before the dataset is closed
55	<	(and after the BeforeClose event handler is called). The exception is when the
56	<	dataset is being closed as a result of a transaction rollback. In this case,
57	<	no action is taken and any unsaved  changes are discarded. This avoids both
58	<	unnecessary overhead and the risk that a validation error may occur in the Post
59	<	raising an exception and thereby preventing a rollback.
47	>	6. TIBSQLStatementType: SQLSavePoint added to end of enumeration.
48
49	<	6.  String Field sizes and Display Widths should now be correct for multi-byte character sets.
62	<	In earlier versions, the Display Width was set to the maximum byte width rather than the character
63	<	width. Display Widths are now corrected by dividing by the max byte width per character.
64	<	For UTF8 character sets, the byte width is four and hence the Display Width will be
65	<	the byte width divided by 4. The byte width of each character set is determined
66	<	dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
67	<	system table. (see also http://bugs.freepascal.org/view.php?id=27766).
49	>	FBINTF Change Log  version          (1.1-4 Build 11515)  Fri, 28 Dec 2018 10:04:19 +0000
50
51	<	7.  SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
51	>	1. Fix a problem with the SQL parameter parser that failed to recognise parameters
52	>	where the second character of the parameter name is a numeric.
53
54	<	8.  IBLookupComboEditBox: List should now always be restored to full list when the
55	<	control loses focus. Default Key press default interval reduced to 200ms.
54	>	2. New method for IAttachment: procedure getFBVersion(version: TStrings);
55	>	This returns the isc_version connection information as one or more lines.
56	>	This is the same information as returned by isql with the -z option.
57
58	<	9.  DBControlGrid: Ensure that selection is changed to newly appended row, even
59	<	when dataset rows are less than visible rows.
58	>	3. If -dFIREBIRD3APIONLY is used as a compiler option then the legacy Firebird API
59	>	is no longer compiled in. Likewise, if -dLEGACYFIREBIRDAPIONLY is used as a
60	>	compiler option then the Firebird 3 API is no longer compiled in.
61
62	<	10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
78	<	does not exist or DataSet is empty. More responsive on dataset open. New event
79	<	OnRestorePosition. Column sort disabled if no header row.
62	>	4. IColumnMetaData: new method.
63
64	<	11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
65	<	while dataset state is dsInsert. Avoids posting errors.
64	>	TIBDateTimeFormats = (dfTimestamp, {SQL TIMESTAMP}
65	>	dfDateTime,   {SQL DATETIME}
66	>	dfTime);
67
68	<	12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
85	<	avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
68	>	function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
69
70	<	13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
70	>	This returns the max. number of characters returned by the "AsString" method
71	>	when the SQL type of the column is respectively TIMESTAMP, DATETIME or TIME.
72
73	<	14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
74	<	to solve a specific problem. That is when the dataset cursor is moved (e.g. by
91	<	a grid mouse click and the current row is being edited or inserted. In this case, TDataset
92	<	always "posts" the current record regardless or whether or not it may be more appropriate
93	<	to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
94	<	"MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
95	<	as the first action of the "Post" method and allows the handler to convert the Post
96	<	into a Cancel if that is the appropriate action on moving to a different row. This is
97	<	achieved by returning with "CancelPost" argument set to true. Note that an exception could be
98	<	raised here, but it may still be more appropriate to validate a post and signal
99	<	a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
73	>	5. Additional argument for IAttachment.PrepareWithNamedParameters -
74	>	CaseSensitiveParams: boolean = false
75
76	<	15. On Unix derived systems, the Firebird library name can now be given as a colon
77	<	separated list. Each library name on the list is tried in turn, in left to right
78	<	order with the first found being used as the firebird library. By default, on Linux,
104	<	the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
105	<	overidden by the FBLIB environment variable or the OnGetLibraryName function.
76	>	If this argument is set to true then SQL parameter names are assumed to be case
77	>	sensitive and must be referenced (using ISQLParams.ByName) using the case
78	>	sensitive name.
79
80	<	Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
81	<	then it will still attempt to access the database via the Firebird Server and will
82	<	require a username and password. If only the pathname is given, then the username
83	<	and password should be omitted and the unix file permissions are used to grant
111	<	access.
80	>	6. Bug fix: when setting a query parameter, it is now possible, when the parameter
81	>	is of type VarChar or Char to set the parameter to a numeric value (e.g. using
82	>	.AsCurrency) and then subsequently to update the value to a non-numeric string
83	>	using .AsString.
84
113	–	IBX Change Log  version                                                    (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
85
115	–	1.  A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
116	–	rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
117	–	that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
118	–	corresponds to a row of the linked DataSource. Any data aware control on the
119	–	replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
86
87	<	2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
122	<	When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
123	<	takes place during database access. This may be useful when there are performance issues with
124	<	the change of cursor. Setting the property to false suppresses the change of cursor.
87	>	FBINTF Change Log  version                  (1.1-3) Wed, 05 Dec 2018 14:28:10 +0000
88
89	<	3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
127	<	and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
128	<	Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
129	<	making all changes permanent immediately rather than when the transaction is explicitly
130	<	committed.
89	>	1. DARWIN only syntax error: fix missing semi-colon in TFBClientAPI.LoadIBLibrary
90
91	<	4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
92	<	using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
91	>	2. Restrict IsMultiThread check to Unix only for compatibility with
92	>	https://bugs.freepascal.org/view.php?id=30535
93
94	<	IBX Change Log  version                                                   (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
94	>	3. New SQL Tokeniser added to IBUtils. This is used to pre-process SQL with
95	>	named parameters and is intended to avoid problems with (e.g.) Execute Block
96	>	and processing internal parameters as statement parameters.
97
98	<	Development version only.
98	>	4. New interface IFirebirdLibrary provides access to the underlying firebird DLL
99	>	or shared object. Available via a new member (GetFBLibrary) of IFirebirdAPI.
100
101	<	IBX Change Log  version                                      (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
101	>	5. New function added to IB.pas
102
103	<	1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
142	<	This is typically used during an "OnBeforeOpen" event handler to manipulate the
143	<	"Where" and "Having" clauses to implement user specified filters of arbitrary
144	<	complexity.
103	>	function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary
104
105	<	2. A new Component Palette entry "Firebird Data Controls" is now available. This has
106	<	three new data aware controls dependent on IBX and which make use of the SQL Parser.
107	<	These are:
105	>	This allows a Firebird Library to be loaded from an explicit path. use the
106	>	IFirebirdLibrary.GetFirebirdAPI member function to get the Firebird API using
107	>	the library. It is possible to load Firebird libraries from different locations
108	>	simultaneously, each with a distinct IFirebirdAPI.
109
110	<	- TIBLookupComboEditBox
151	<	- TIBDynamicGrid
152	<	- TIBTreeview
110	>	FBINTF Change Log  version               (1.1-2) Mon, 16 Apr 2018 09:30:32 +0100
111
112	<	TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
113	<	of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
156	<	to revise the available list and restrict it to items that are prefixed by the
157	<	typed text (either case sensitive or case insensitive). Autoinsert allows a
158	<	newly typed entry to be added to the list dataset and included in the available
159	<	list items.
112	>	1. Firebird.pas: {$OBJECTCHECKS OFF} added to file to avoid runtime error when
113	>	program compiled with -CR command line switch.
114
115	<	TIBDynamicGrid is a TDBGrid descendent that provides for:
116	<	- automatic resizing of selected columns to fill the available row length
117	<	- automatic positioning and sizing of a "totals" control, typically at the
164	<	column footer, on a per column basis.
165	<	- DataSet resorting on header row click, sorting the dataset by the selected column.
166	<	A second click on the same header cell reversed the sort order.
167	<	- Support for a "Panel Editor". That is on clicking the indicator column, the row
168	<	is automatically expanded and a panel superimposed on it. The panel can have any
169	<	number of child controls, typically data aware controls with the same datasource
170	<	as the grid allowing for editing of additional fields and more complex editors.
171	<	- Reselection of the same row following resorting.
172	<	- A new cell editor that provides the same functionality as TIBLookupComboEditBox.
173	<	Its properties are specified on a per column basis and allows for one or more
174	<	columns to have their values selected from a list provided by a dataset.
175	<	Autocomplete and autoinsert are also available. The existing picklist editor
176	<	is unaffected by the extension.
115	>	2. IServiceManager additions (informational):
116	>	function getProtocol: TProtocol;
117	>	function getPortNo: AnsiString;
118
119	<	TIBTreeView is a data aware TCustomTreeView.
119	>	3. IServiceManager improved error handling. Interfaces changed:
120	>	function Start(Request: ISRB; RaiseExceptionOnError: boolean=true): boolean;
121	>	function Query(SQPB: ISQPB; Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
122	>	function Query(Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
123
124	<	3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
125	<	zero scale will no longer return an error. An Int64 will be returned instead.
124	>	4. IAttachment addition (informational)
125	>	function GetSecurityDatabase: AnsiString;
126
127	<	4. TIBTransaction now has events for Before and After Transaction End and a new function
128	<	"GetEndAction" allowing the EndAction to be accessed by these event handlers.
127	>	5. IStatement: performance counters now updated after each Fetch. GetPerfStatistics
128	>	thus now returns accumulated stats for a select statement from opening a cursor
129	>	up to the last fetch.
130
131	<	5. TIBQuery can now handle correctly queries which contain the same keyword parameter
132	<	repeated multiple times.
131	>	6. DARWIN: uloadlibrary.inc bug fix. Many thanks to Luigi Naimi for correcting
132	>	the problem.
133
134	<	6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
135	<	check used to get in the way of using Stored Procedures, and "Update or Insert"
191	<	statements.
134	>	7. Type change: "TPerfCounters = array[TPerfStats] of Int64". Note "Int64"
135	>	replaces deprecated "comp" type.
136
137	<	7. Insert, Modify and Delete property Editors now support Query Generation from
194	<	Stored Procedures.
137	>	10. Testsuite Test10 updated to include thread synchronisation for event reporting.
138
139	<	8. Three new examples illustrate the use of the new IB Controls
139	>	11. URL Connection Strings: inet4 and inet6 now recognised.
140
141	+	12. IBUtils: Parse and Make Connect String now recognise URL style loopback syntax.
142
143	<	IBX Change Log  version                      (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
143	>	13. IAttachment.CharSetName2CharSetID is now performed case insensitive.
144
201	–	1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
202	–	setting performance. See "readme.field+param.names in the doc folder.(Thanks to
203	–	Gabor Boros for reporting this problem and for testing the improvements).
145
146	<	2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
206	<	See readme.field+param.names in the doc folder.
146	>	FBINTF Change Log  version (1.1-1) Tue, 27 Feb 2018 16:51:16 +0000
147
148	<	3. IBX SQL Editors will now automatically add double quotes around column names when the database
209	<	dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
148	>	1. IBUtils.QuoteIdentifierIfNeeded: Add check for space character.
149
150	<	4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
150	>	2. IAttachment: add two new methods
151	>	function HasDefaultCharSet: boolean;
152	>	function GetDefaultCharSetID: integer;
153
154	<	5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
155	<	actions.
154	>	These return, respectively, true if a connection default character set was
155	>	specified and the character set id of the connection default character set.
156	>	The DefaultCharSetID is cached when the connection is opened and hence does not
157	>	require a database lookup.
158
159	<	6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
217	<	thanks to Yuriy Kopnin for pointing this out).
159	>	3. Avoid exception when a text blob is a stored procedure parameter.
160
161	<	7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
161	>	4. Update test suite to include a test for a stored proc returning a text blob.
162
163	<	8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
164	<	for both fields and parameter setting.
163	>	5. IAttachment: add
164	>	function GetRemoteProtocol: AnsiString;
165	>	function GetODSMajorVersion: integer;
166	>	function GetODSMinorVersion: integer;
167	>	function GetAuthenticationMethod: AnsiString;
168
169	<	9. Changes to the Select SQL in an IBCustomDataset descendent should now be
170	<	visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
169	>	These results are cached when the connection is opened and hence do not
170	>	require a database lookup.
171
172	<	10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
173	<	when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
172	>	6. IAttachment: add "function GetConnectString: AnsiString;" This returns the
173	>	connect string used to create/connect to the database.
174
175	<	11. TIBTable now has a property editor for "MasterFields"
175	>	7. IAttachment: Create Database using SQL statement. The username and password
176	>	are now extracted and used to populate a DPB made available via IAttachment.getDPB.
177	>	It is now possible to use IAttachment disconnect/connect to reconnect to
178	>	a database for which the initial connection was established by a create
179	>	database sql statement. Available in FPC only.
180
181	<	12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
233	<	GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
181	>	8. Update Test 1 to test 5, 6 and 7 above.
182
183	<	13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
236	<	of settings is unrecognised. Selecting this radio button has no effect on the settings.
237	<
183	>	9. IBUtils code tidy up.
184
185	<	IBX Change Log  version                 (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
185	>	10. Parameter Block interfaces "find" method. As documented, this should have
186	>	returned a nil interface when the item could not be found. Instead, an empty
187	>	interface item was returned. "Find" now works as documented and will return
188	>	a nil interface if the item cannot be found.
189
190	<	1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.
190	>	11. DBInformation: support added for isc_info_active_tran_count and isc_info_creation_date.
191
192	<	IBX Change Log  version          (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000
192	>	12. DBInformation: New interfaces: IDIRB and IDIRBItem added to support DB Information
193	>	requests with additional parameters. This is to enable support for fb_info_page_contents
194	>	(return of page contents). Response to fb_info_page_contents returned as
195	>	a string with code page CP_NONE.
196
197	<	1. In a TIBCustomDataset descendent, a generator now only sets the value when
198	<	it is null. This allows for alternative user defined setting of the generator
197	>	13. DBInformation: Support for fb_info_pages_used and fb_info_pages_free added, plus
198	>	test suite updated.
199
200	<	Many thanks to Julio Jiménez for this fix
200	>	14. DBInformation: Support for fb_info_crypt_key (Firebird 3.0.3 onwards) added as
201	>	a string type, and fb_info_conn_flags (Firebird 3.0.3 onwards) added as an integer type.
202
203	<	2. An Error Dialog is now displayed in the Lazarus IDE if IBX cannot find the Firebird Library
204	<	and suggests that the user may have forgotten to install it.
203	>	15. Service Manager: List of protocols supported expanded to include inet, wnet and xnet.
204	>	An overloaded version of IIFirebirdAPI.GetServiceManager also allows a non
205	>	default connection port to be specified.
206
207	<	IBX Change Log  version         (1.0-3) Thu, 22 Nov 2012 22:53:39 +0000
207	>	FBINTF Change Log  version                             (1.1-0) Sun, 07 Jan 2018 15:20:02 +0000
208
209	<	1. Conditional compilation used to limit registration of TIntegerField to
210	<	Lazarus versions less than 1.1
209	>	1. Fix issues with setting SQL Param values using SetAsString with Numeric types.
210	>	Scale is no longer ignored.
211
212	<	2. When a database connection is created, character set is now by default set
213	<	to UTF8 (Unix) or to the current Windows code page (Windows) if in the range
214	<	1250 to 1254.
212	>	2. Fix issues with setting SQL Param values using SetAsString with Date values
213	>	not in locale format but which are recognised by Firebird. Date values that
214	>	cannot be converted to a string using Pascal library are now passed through
215	>	to Firebird as Text Strings.
216
217	+	3. Lookup character set name by codepage amended to ensure that CP_UTF8 returns
218	+	UTF8 and not UNICODE_FSS.
219
220	<	IBX Change Log  version     (1.0-2) Tue, 09 Oct 2012 09:10:30 +0100
220	>	4. Charset ID problem. When using Firebird 3, with no default database character set
221	>	and a column has a non-default collation specified, an incorrect character set
222	>	id was being reported that could result in a 'division by zero' error when
223	>	used by IBX. This has now been fixed.
224
225	<	1. TBookmark change conditional compile changed to > 2.6.2 to match expected availability of change.
225	>	5. Move GetCharsetName, CharSetID2CodePage, CodePage2CharSetID, CharSetName2CharSetID,
226	>	CharSetWidth from IFirebirdAPI to IAttachment. This is a better data model as
227	>	the character sets supported can be updated on a per database basis. That is
228	>	it is possible to add a (Firebird) user defined character set to a database.
229
230	+	6. Add RegisterCharSet to IAttachment. This is used to register a user defined character
231	+	set supported by Firebird with the API.
232
233	<	IBX Change Log  version    (1.0-1) Sun, 05 Aug 2012 20:00:04 +0100
233	>	7. Add missing isc_info_db_read_only to list of decoded Database Information items
234	>	in FBOutputBlock.pas and update test suite to include this item.
235
236	<	1. In IBCustomDataset. Changed CurBookmark from string to TBookmark for compiler versions > 2.6.0
271	<	Necessary because of TBookmark type and TDataSet.Bookmark property change in fpc 2.7.1
236	>	8. FB30Client: avoid always using "StartMultiple" when only a single database attachment.
237
238	<	2. IBX now registers TIntegerField as a "No Icon" component. This may be removed if the fpc DB
239	<	package is changed to do this (which it should do).
238	>	9. Loading Windows fbclient.dll: when using the FIREBIRD variable to locate the client
239	>	library or finding it by disk location, the PATH environment variable is now also set to
240	>	include the FIREBIRD directory. This is to ensure that the correct dlls in the
241	>	firebird client library dependencies are loaded.
242
243	<	IBX Change Log  version (1.0-0)  Sat, 28 Apr 2012 16:43:00 +0100
243	>	10. Testsuite: Ensure consistent UTF-8 output on Windows console.
244
245	<	1. Add "if active then active := false" to TIBCustomDataset destructor. (Avoid error on database close).
245	>	11. Testsuite: Update Windows script to include FPC 3.0.4 in search path.
246
247	<	2. Make use of $STATIC conditional in IBSQLMonitor (Needed for FPC 2.6.0 compliance)
247	>	12. FB30Statement: Protect call to "Move" and avoid calling with a nil pointer
248
249	<	3. Database Property Editor: Character Set drop down box now uses "OnChange" rather than "OnCloseUp" to react to changes
249	>	13. FB30Statement: A check has been added to ensure that all SQL Parameters
250	>	have been given a value (including NULL). Previously, failing to set the
251	>	value of an SQL Parameter could give rise to unpredictable results or
252	>	an SQLDA error.
253
254	<	4. Property editors should now correctly resize.
254	>	14. FB30Statement/FB25Statement: Set SQLParam "modified" when string value set.
255
256	<	5. In IBDatabaseEdit.TestClick, the LoginPrompt is now set to the state of the LoginPrompt Checkbox
257	<	(restored original functionality)
256	>	15. FBAttachment: Avoid string reference count error when processing an Ansistring
257	>	parameter in an array of const passed to IAttachment.OpenCursor, etc.
258	>
259	>	16. FBAttachment: Allow for WideString and UnicodeString parameters in an array
260	>	of const passed to IAttachment.OpenCursor, etc.
261	>
262	>
263	>	FBINTF Change Log  version             (1.0-2) Sat, 04 Mar 2017 14:43:56 +0000
264	>
265	>	1. Change syntax to Mode Delphi
266	>
267	>	2. Change all uses of string type to explicit AnsiString in order to ensure
268	>	compatibility between Delphi and FPC.
269	>
270	>	3. Various syntax changes to ensure Delphi and FPC compilation including GUIDs
271	>	defined for each interface.
272	>
273	>	4. Generics syntax variations for Delphi added
274	>
275	>	5. PChar replaced with PByte expect where an actual string is being referenced,
276	>	where PAnsiChar is used instead.
277	>
278	>	6. Review of type definitions in IBExternals to ensure Delphi compatibility
279	>
280	>	7. Testsuite updated for Delphi
281	>
282	>	FBINTF Change Log  version            (1.0-1) Fri, 24 Feb 2017 12:17:57 +0000
283	>
284	>	1. Limit maximum Blob segment read/write to MaxuShort. Avoids data loss with
285	>	large blobs and the FB3 API.
286	>
287	>	2. Update Event Handling algorithm to avoid looping due to recreation of the
288	>	event block.
289	>
290	>	3. Avoid invalid XSQLDA error when the only parameter is updated to null
291	>
292	>	4. Array Handling: fix problem with text arrays with character set none. When the
293	>	DB connection has a default character set (e.g. UTF8), an error is raised by
294	>	Firebird if the space allocated is not enough to allow for transliteration, even
295	>	though it is not required for character set none.
296	>
297	>	5. IBUtils: List of reserved words brought up-to-date
298	>
299	>	6. Add ISQL style performance statistics collection to IStatement
300	>
301	>	7. Add IFirebirdAPI.CreateDatabase variant to allow execution of user provided
302	>	CREATE DATABASE statement.
303	>
304	>	8. Update SQL Statement parsing to allow for Array Dimensions. That is so that the ':' in
305	>	an array dimension is not mistaken for a named parameter prefix.
306	>
307	>	9. Trim function no longer applied to result of GetAsString for SQL_TEXT
308	>	when Character set is octets. Avoids loss of non printable characters at start of string.
309	>
310	>	10. Add function GetPerfStatistics to IStatement. This returns ISQL like performance
311	>	statistics for the last action. Requires use of procedure IStatement.EnableStatistics
312	>	to enable stats gathering.
313	>
314	>	11. API Version information added as constants to IB.pas
315	>
316	>	12. BlobMetaData character set id should now be the same as that given by IColumnMetaData.GetCharSetID
317	>
318	>	13. Firebird Character set "NONE" now interpreted as codepage CP_ACP.
319	>
320	>	FBINTF Change Log  version                                      (1.0-0) Tue, 06 Dec 2016 10:33:47 +0000
321	>
322	>	1. Initial Release
323
289	–	6. Under OSX, if IBX fails to load libfbclient.dylib, it will now try and load the firebird
290	–	library using the absolute path /Library/Frameworks/Firebird.framework/Firebird.

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