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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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