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Revision 267 by tony, Fri Dec 28 10:44:23 2018 UTC vs.
Revision 305 by tony, Fri Jul 17 22:51:19 2020 UTC

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1 < IBX Change Log  version (2.3-3 Build 11288) Fri, 28 Dec 2018 10:04:17 +0000
1 > FBINTF Change Log  version          (1.1-5 Build 12044) Fri, 17 Apr 2020 12:30:01 +0100
2  
3 < 1. New property for TIBDatabase and TIBXServicesConnection. This is "ConfigOverrides"
4 <   and is used to override the default settings in the client side "firebird.conf" This
5 <   includes "WireCompression" and "WireCrypt". The value of this property is a "TStrings".
6 <   Each line of the string list should be a setting in the same format as "firebird.conf".
7 <   For example "WireCompression = true" in order to request wire compression on the client side.
3 > 1. ISQLParams.GetHasCaseSensitiveParams added. Returns true if param names are
4 >   case sensitive
5  
6 <   Note: explicit settings in the client side "firebird.conf" appear to take precedence
10 <   over settings given in TIBDatabase and TIBXServicesConnection. Many client side settings
11 <   also require a compatible setting in the server side "firebird.conf". For example
12 <   "WireCompression = true" must also be set in the server's "firebird.conf" for wire
13 <   compression to be used.
6 > 2. Single line SQL comments starting with '--' are now recognised by SQL Parser.
7  
8 <   Whether or not WireCompression or WireCrypt are in use can be checked using the information
9 <   returned with the Client/Server protocol version. See ibx/examples/dbadmin and
10 <   ibx/examples/dbinfo for examples of how to display this information.
8 > 3. New API Calls:
9 >        IColumnMetaData.GetStatement
10 >        IColumnMetaData.GetTransaction
11 >        ISQLData.GetStrLength
12 >        IResults.GetStatement
13 >        IAttachment.OpenBlob (using Blob metadata)
14 >        IAttachment.OpenArray (using array metadata)
15  
16 < 2. New property for TIBDatabase and TIBXServicesConnection: "WireCompression". This
20 <   is a "convenience" property. If set the "WireCompression=true" is added to the
21 <   ConfigOverrides. If unchecked then this setting is removed.
16 > 4. FBMessages: removal of unused messages
17  
18 < IBX Change Log  version (2.3-2) Wed, 05 Dec 2018 12:19:23 +0000
18 > 5. TFBArray.Create (2nd case): ensure that FFirebirdClientAPI is correctly set.
19  
20 < 1. Remove need to check for IsMultiThread by providing access to GUI timers via
26 <   IBGUIInterface. Note: master/detail delay timer does not apply to console
27 <   mode apps.
20 > 6. TIBSQLStatementType: SQLSavePoint added to end of enumeration.
21  
22 < 2. TIBCustomDataSet: SQLParser ignored if it does not contain a valid select
30 <   statement. This avoids problems if "Execute Block" is used as the Query.
22 > FBINTF Change Log  version          (1.1-4 Build 11515)  Fri, 28 Dec 2018 10:04:19 +0000
23  
24 < 3. IBSQLParser now uses the common SQL tokeniser from fbintf. This replaces the
25 <   internal SQL tokeniser routines.
24 > 1. Fix a problem with the SQL parameter parser that failed to recognise parameters
25 >   where the second character of the parameter name is a numeric.
26  
27 < 4. IBSQLParser: new property NotaSelectStmt. Set to true if SQL fails to parse
28 <   as a select statement, with or without CTEs.
27 > 2. New method for IAttachment: procedure getFBVersion(version: TStrings);
28 >   This returns the isc_version connection information as one or more lines.
29 >   This is the same information as returned by isql with the -z option.
30  
31 < 5. IBSQLParser: parser now recognises the "ROWS" clause.
31 > 3. If -dFIREBIRD3APIONLY is used as a compiler option then the legacy Firebird API
32 >   is no longer compiled in. Likewise, if -dLEGACYFIREBIRDAPIONLY is used as a
33 >   compiler option then the Firebird 3 API is no longer compiled in.
34  
35 < 6. TIBXScript now uses the common SQL tokeniser from fbintf. This replaces the
41 <   internal SQL tokeniser routines.
35 > 4. IColumnMetaData: new method.
36  
37 < 7.  Fix error in TIBXScript processing of "set" statements. This avoids exceptions
38 <    being raised for valid set statements processed by a data formatter.
37 >   TIBDateTimeFormats = (dfTimestamp, {SQL TIMESTAMP}
38 >                        dfDateTime,   {SQL DATETIME}
39 >                        dfTime);
40  
41 < 8. New published property for TIBDatabase and TIBXServicesConnection. This is
47 <   FirebirdLibraryPathName: string. If not empty it is used to explicitly specify
48 <   the path of the Firebird Library used by the database/services connection.
41 >   function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
42  
43 < 9. New read only public property for TIBDatabase and TIBXServicesConnection. This
44 <   is FirebirdAPI and returns the IFirebirdAPI interface used by the database/
52 <   services connection.
43 >   This returns the max. number of characters returned by the "AsString" method
44 >   when the SQL type of the column is respectively TIMESTAMP, DATETIME or TIME.
45  
46 < 10.SQL Property editors now quote parameter names if "Quote identifier" is selected
47 <   or param name is not a valid SQL identifier.
46 > 5. Additional argument for IAttachment.PrepareWithNamedParameters -
47 >     CaseSensitiveParams: boolean = false
48  
49 < 11. IBLookupComboEditBox: In Lazarus 2.0, TDBLookupComboBox takes a more restrictive
50 <    view of whether the text box should be editable when no DataSource is specified.
51 <    TIBLookupComboEditBox has been updated to workaround this problem. As long as
60 <    ReadOnly is false, the text box is editable when no DataSource is specified.
49 >   If this argument is set to true then SQL parameter names are assumed to be case
50 >   sensitive and must be referenced (using ISQLParams.ByName) using the case
51 >   sensitive name.
52  
53 < 12. AllowUseOfFBLIB is now set to "true" at design time. This is to allow use of
54 <    the FBLIB environment variable. If you do not want to permit this then you
55 <    must modify the Register procedure in the design/IBDBReg.pas unit to remove
56 <    this setting.
53 > 6. Bug fix: when setting a query parameter, it is now possible, when the parameter
54 >   is of type VarChar or Char to set the parameter to a numeric value (e.g. using
55 >   .AsCurrency) and then subsequently to update the value to a non-numeric string
56 >   using .AsString.
57  
67 IBX Change Log  version                 (2.3-1) Thu, 25 Oct 2018 14:39:45 +0100
58  
69 1. IBCustomDataset: replace deprecated function ValidUTF8String with call to
70   Utf8EscapeControlChars
59  
60 < IBX Change Log  version                (2.3-0) Mon, 16 Apr 2018 09:48:06 +0100
60 > FBINTF Change Log  version                  (1.1-3) Wed, 05 Dec 2018 14:28:10 +0000
61  
62 < IMPORTANT: the source code tree has been re-organised for IBX 2.3. Please remove
75 < all previous copies of the IBX source code tree before installing this release.
62 > 1. DARWIN only syntax error: fix missing semi-colon in TFBClientAPI.LoadIBLibrary
63  
64 < The IBX packages used by most users have not changed, with one exception. The
65 < IBServices unit has been moved to the package iblegacyServices.lpk. To continue
79 < to use the IBServices unit in your applications, please add the iblegacyServices
80 < to the list of dependencies. To do this, open the Project Inspector and select
81 < Add->New Requirement and select "ibLegacyServices" from the list of available
82 < packages.
64 > 2. Restrict IsMultiThread check to Unix only for compatibility with
65 >   https://bugs.freepascal.org/view.php?id=30535
66  
67 < 1. New unit IBXServices. The IBXServices unit is a re-architectured update of
68 <   the IBServices unit providing what is intended to be a clearer and easier to
69 <   use set of IB Services components. See Chapter 10 of the IBX User Guide for
87 <   more information and the guide to "Firebird Service Management Using IBX".
88 <   As indicated above, the legacy services components are still available and
89 <   provided in a separate package. There is no need to update working applications
90 <   using the older versions except for an additional package dependency.
67 > 3. New SQL Tokeniser added to IBUtils. This is used to pre-process SQL with
68 >   named parameters and is intended to avoid problems with (e.g.) Execute Block
69 >   and processing internal parameters as statement parameters.
70  
71 < 2. The IBX packages and source code tree have been re-organised in an attempt to
72 <   finally get rid of the "duplicate ppu" warnings. This re-organisation should
94 <   not affect existing users. Section 2.3 of the IBX User Guide describes the
95 <   new set of IBX packages.
71 > 4. New interface IFirebirdLibrary provides access to the underlying firebird DLL
72 >   or shared object. Available via a new member (GetFBLibrary) of IFirebirdAPI.
73  
74 < 3. The ibx/examples/DBAdmin and the ibx/examples/services example have been
98 <   updated to use the new Services API components.
74 > 5. New function added to IB.pas
75  
76 < 4. The iblocal package has been updated to use the new Services API components.
76 >   function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary
77  
78 < 5. procedure SetAutoAdmin; in the new IBX Services this method is now a member of
79 <   TIBXSecurityService. It had been wrongly classified in the previous version
80 <   as a per database configuration item. It is global to a server and hence
81 <   correctly positioned as part of the Security Package. In the DBAdmin example,
106 <   the setting has moved to the mappings page.
78 >   This allows a Firebird Library to be loaded from an explicit path. use the
79 >   IFirebirdLibrary.GetFirebirdAPI member function to get the Firebird API using
80 >   the library. It is possible to load Firebird libraries from different locations
81 >   simultaneously, each with a distinct IFirebirdAPI.
82  
83 < 6. TIBXScript: IgnoreCreateDatabase added. If true then CREATE DATABASE statements
109 <   are ignored.
83 > FBINTF Change Log  version               (1.1-2) Mon, 16 Apr 2018 09:30:32 +0100
84  
85 < 7. TIBDatabase: DropDatabase now ensures that all transactions have been properly
86 <   closed before the database is dropped. Before and After Disconnect event handlers
113 <   are also fired.
85 > 1. Firebird.pas: {$OBJECTCHECKS OFF} added to file to avoid runtime error when
86 >   program compiled with -CR command line switch.
87  
88 < 8. TIBTransaction: OnStartTransaction event now fires every time the transaction
89 <   is started and not just the first time.
88 > 2. IServiceManager additions (informational):
89 >    function getProtocol: TProtocol;
90 >    function getPortNo: AnsiString;
91  
92 < 9. IBDataOutput: Use FormatFloat for all performance statistics to avoid platform
93 <   depenendency with comp type.
92 > 3. IServiceManager improved error handling. Interfaces changed:
93 >    function Start(Request: ISRB; RaiseExceptionOnError: boolean=true): boolean;
94 >    function Query(SQPB: ISQPB; Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
95 >    function Query(Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
96  
97 < 10. IBDataOutput: select query data output is now sent to stdout instead of stderr.
97 > 4. IAttachment addition (informational)
98 >    function GetSecurityDatabase: AnsiString;
99  
100 < 11. TIBDatabase: Remove regression. If a user login dialog changes the DatabaseName
101 <    then this is recognised and not ignored.
100 > 5. IStatement: performance counters now updated after each Fetch. GetPerfStatistics
101 >   thus now returns accumulated stats for a select statement from opening a cursor
102 >   up to the last fetch.
103  
104 < 12. TIBDataSet, TIBQuery, TIBTable: additions:
105 <    function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
128 <    function GetPerfStatistics(var stats: TPerfCounters): boolean;
129 <    property EnableStatistics: boolean read FEnableStatistics write SetEnableStatistics;
104 > 6. DARWIN: uloadlibrary.inc bug fix. Many thanks to Luigi Naimi for correcting
105 >   the problem.
106  
107 <    GetRowsAffected returns the affected row counts from the last insert/update/delete
108 <    if EnableStatistics = true then GetPerfStatistics returns the current stats
133 <    counters for the select query. Note: stats accumulate after each fetch from
134 <    the database. To get total query cost after open, call the "Last" method
135 <    and then GetPerfStatistics.
107 > 7. Type change: "TPerfCounters = array[TPerfStats] of Int64". Note "Int64"
108 >   replaces deprecated "comp" type.
109  
110 <    See ibx/examples/consolemode for an example of the use of GetPerfStatistics
110 > 10. Testsuite Test10 updated to include thread synchronisation for event reporting.
111  
112 < 13. TIBExtract: Identity columns DDL. "Start with clause" now correctly encapsulated
140 <    in parenthesises.
112 > 11. URL Connection Strings: inet4 and inet6 now recognised.
113  
114 < 14. TIBExtract: new published property "AlwaysQuoteIdentifiers". If true then in dialect 3
143 <    SQL identifiers are always delimited by double quotes. If false, then they are
144 <    only delimited if the identifier is a reserved word, contains lower case or special
145 <    characters. Set this property to true to retain previous behaviour.
114 > 12. IBUtils: Parse and Make Connect String now recognise URL style loopback syntax.
115  
116 < 15. Insert SQL Property Editor. In Insert Returning Clause, Identity column names
148 <    are now inserted in double quotes if not Reserved Words or valid SQL Identifiers.
116 > 13. IAttachment.CharSetName2CharSetID is now performed case insensitive.
117  
150 16. TIBDataSet, TIBQuery, TIBTable: addition:
151       property MasterDetailDelay: integer {defaults to zero}
118  
119 <    When non-zero and the dataset is a detail table referencing a master table
154 <    through either a MasterSource (TIBTable) or a DataSource (TIBDataSet, TIBQuery)
155 <    then a synchronisation delay is added (in milliseconds) between the master
156 <    row changing and the detail dataset being re-opened. If the master dataset
157 <    is scrolled before the delay expires then the delay is reset. This can be used
158 <    to avoid performance overheads when scrolling through a large master dataset.
119 > FBINTF Change Log  version (1.1-1) Tue, 27 Feb 2018 16:51:16 +0000
120  
121 <    Note: uses fptimer and hence requires a thread manager. Under Linux the
161 <    chreads unit must be included in your project. TTimer is not used in order
162 <    to avoid an LCL dependency. Requires FPC 3.0.2 or later.
121 > 1. IBUtils.QuoteIdentifierIfNeeded: Add check for space character.
122  
123 < 17. TIBExtract: User role grants now excluded when etGrantsToUser not specified
124 <    with Extract Option eoDatabase.
123 > 2. IAttachment: add two new methods
124 >     function HasDefaultCharSet: boolean;
125 >     function GetDefaultCharSetID: integer;
126  
127 < 18. TIBLookupComboEditBox: Workaround added for https://bugs.freepascal.org/view.php?id=33428
128 <    When a deLayoutChanged event is reported on the ListSource dataset, the
129 <    combobox text is updated. This allows a listsource (detail) to be in a Master/Detail
130 <    relationship with the control's datasource (master).
127 >   These return, respectively, true if a connection default character set was
128 >   specified and the character set id of the connection default character set.
129 >   The DefaultCharSetID is cached when the connection is opened and hence does not
130 >   require a database lookup.
131  
132 < 19. TIBExtract: Full BigInt value range now supported for Generators/Sequences.
132 > 3. Avoid exception when a text blob is a stored procedure parameter.
133  
134 < 20. TIBExtract: Select Procedures (Procedure type 1) now include "SUSPEND;" clause in their
175 <    stubs. Pedantic fix really, as procedures output in dependency order anyway.
134 > 4. Update test suite to include a test for a stored proc returning a text blob.
135  
136 < 21. TIBExtract: Package Headers and Package Bodies are now included in the extracted
137 <    DDL (Firebird 3 and later only).
136 > 5. IAttachment: add
137 >      function GetRemoteProtocol: AnsiString;
138 >      function GetODSMajorVersion: integer;
139 >      function GetODSMinorVersion: integer;
140 >      function GetAuthenticationMethod: AnsiString;
141  
142 < 22. TIBLookupComboBox Autocomplete Fixes:
143 <    i. Only appended text is now selected after autocomplete.
182 <    ii. Uppercase keys no longer ignored for autocomplete.
183 <    iii. Retain Prefix case is now honoured correctly.
184 <    iv. When a DataSource is assigned, typing after autocomplete now extends prefix
185 <        before autocomplete performed. i.e. behaviour now the same as when
186 <        no DataSource assigned.
142 >   These results are cached when the connection is opened and hence do not
143 >   require a database lookup.
144  
145 < 23. TIBXScript: Single Line Comments starting with '--' are now ignored when occurring
146 <    between SQL statements.
145 > 6. IAttachment: add "function GetConnectString: AnsiString;" This returns the
146 >   connect string used to create/connect to the database.
147  
148 < 24. TIBExtract: New published property CaseSensitiveObjectNames. If false (default) then
149 <    ObjectNames are converted to upper case before matching against metadata object
150 <    names, unless the objectname is delimited by double quotes, in which case, the
151 <    double quotes are removed and the remaining string is used (unmodified) to match
152 <    against the metadata object name.
148 > 7. IAttachment: Create Database using SQL statement. The username and password
149 >   are now extracted and used to populate a DPB made available via IAttachment.getDPB.
150 >   It is now possible to use IAttachment disconnect/connect to reconnect to
151 >   a database for which the initial connection was established by a create
152 >   database sql statement. Available in FPC only.
153  
154 <    If true then the ObjectName is used as is without modification and matched
198 <    against the metadata object name. No attempt is made to remove double quotes.
154 > 8. Update Test 1 to test 5, 6 and 7 above.
155  
156 < 25. TIBExtract: New Extract Types: etDatabaseTriggers and etDDLTriggers. When used
201 <    with eoTrigger, these extract types can be used to select only Database Triggers,
202 <    or DDL Triggers or both. Ignored when etTable or etTrigger included in Extract Types.
156 > 9. IBUtils code tidy up.
157  
158 < 26. TIBXScript: If an exception occurs during the processing of a statement, the
159 <    statement separate character is now reset to the default (';').
158 > 10. Parameter Block interfaces "find" method. As documented, this should have
159 >   returned a nil interface when the item could not be found. Instead, an empty
160 >   interface item was returned. "Find" now works as documented and will return
161 >   a nil interface if the item cannot be found.
162  
163 < 27. TIBDatabase: Reconnect method added and used by TIBXScript for reconnect.
163 > 11. DBInformation: support added for isc_info_active_tran_count and isc_info_creation_date.
164  
165 < 28. TIBXScript: Transaction is no longer automatically reactivated immediately processing
166 <    a commit or reconnect statement and instead activated only when next SQL statement
167 <    is executed.
165 > 12. DBInformation: New interfaces: IDIRB and IDIRBItem added to support DB Information
166 >    requests with additional parameters. This is to enable support for fb_info_page_contents
167 >    (return of page contents). Response to fb_info_page_contents returned as
168 >    a string with code page CP_NONE.
169  
170 < 29. TIBSQL.HasField should no longer generate and exception when the field does not exist.
170 > 13. DBInformation: Support for fb_info_pages_used and fb_info_pages_free added, plus
171 >    test suite updated.
172  
173 < 30. TIBXScript: case insensitive regex now used when matching statements instead of
174 <    converting statement to upper case.
173 > 14. DBInformation: Support for fb_info_crypt_key (Firebird 3.0.3 onwards) added as
174 >    a string type, and fb_info_conn_flags (Firebird 3.0.3 onwards) added as an integer type.
175  
176 < 31. TIBExtract: metadata comments now supported. New published property
177 <    IncludeMetaDataComments (default true). If true then metadata comments included
178 <    in extracted DDL. New Extract Object member eoComments. This may be used with
221 <    ExtractObject method to list all metadata comments.
176 > 15. Service Manager: List of protocols supported expanded to include inet, wnet and xnet.
177 >    An overloaded version of IIFirebirdAPI.GetServiceManager also allows a non
178 >    default connection port to be specified.
179  
180 < 32. TIBExtract: ListObjectNames method added.
180 > FBINTF Change Log  version                             (1.1-0) Sun, 07 Jan 2018 15:20:02 +0000
181  
182 < 33. Updated Database component editor to support additional connection string
183 <    types.
182 > 1. Fix issues with setting SQL Param values using SetAsString with Numeric types.
183 >   Scale is no longer ignored.
184  
185 < IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
185 > 2. Fix issues with setting SQL Param values using SetAsString with Date values
186 >   not in locale format but which are recognised by Firebird. Date values that
187 >   cannot be converted to a string using Pascal library are now passed through
188 >   to Firebird as Text Strings.
189  
190 < NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
191 < AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
232 < RELEASE.
190 > 3. Lookup character set name by codepage amended to ensure that CP_UTF8 returns
191 >   UTF8 and not UNICODE_FSS.
192  
193 < NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
193 > 4. Charset ID problem. When using Firebird 3, with no default database character set
194 >   and a column has a non-default collation specified, an incorrect character set
195 >   id was being reported that could result in a 'division by zero' error when
196 >   used by IBX. This has now been fixed.
197  
198 < 1. IBExtract: Identity columns - add additional check for null column for generator name.
198 > 5. Move GetCharsetName, CharSetID2CodePage, CodePage2CharSetID, CharSetName2CharSetID,
199 >   CharSetWidth from IFirebirdAPI to IAttachment. This is a better data model as
200 >   the character sets supported can be updated on a per database basis. That is
201 >   it is possible to add a (Firebird) user defined character set to a database.
202  
203 < 2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
204 <   The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
240 <   information). However, this is also a very useful mechanism for returning updated computed by
241 <   column values. Values returned as a result of executing an Insert or Update statement
242 <   replace existing values in the current row for each corresponding column.
203 > 6. Add RegisterCharSet to IAttachment. This is used to register a user defined character
204 >   set supported by Firebird with the API.
205  
206 <   Previously, if a dataset's select query included read only (computed by) fields then
207 <   an automatic row refresh was performed after an insert or update query had been processed,
246 <   irrespective of the setting of the "ForcedUpdates" property. This has changed such
247 <   that an automatic refresh is no longer performed if an insert or update query contains
248 <   a returning clause that updates one or more fields on the current row. A full row
249 <   refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
250 <   field values and the select query contains read only fields. Use of Insert/update
251 <   returning should be significantly more efficient than executing a refresh query.
206 > 7. Add missing isc_info_db_read_only to list of decoded Database Information items
207 >   in FBOutputBlock.pas and update test suite to include this item.
208  
209 <   This behaviour change is intended to be backwards compatible and there should be no need to change
254 <   existing programs, other than to improve performance by using the new capability.
209 > 8. FB30Client: avoid always using "StartMultiple" when only a single database attachment.
210  
211 < 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
212 <   they are called when the dataset row is being deleted, there is no value in
213 <   updating the current record from the query result. Instead, a new event handler
214 <   "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
260 <   an OnDeleteReturning event handler is provided then it is called with the IResults returned
261 <   by the query. The event handler can then interrogate the query results and
262 <   perform whatever action is necessary. For example to confirm, to the user,
263 <   the deletion of a row with the returned values.
211 > 9. Loading Windows fbclient.dll: when using the FIREBIRD variable to locate the client
212 >   library or finding it by disk location, the PATH environment variable is now also set to
213 >   include the FIREBIRD directory. This is to ensure that the correct dlls in the
214 >   firebird client library dependencies are loaded.
215  
216 < 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
266 <   any Computed By or Identity Columns. The IBTables example has been updated to
267 <   illustrate the computation of the employee Full Name on update.
216 > 10. Testsuite: Ensure consistent UTF-8 output on Windows console.
217  
218 < 5. TIBTable: The GeneratorField property is now published.
218 > 11. Testsuite: Update Windows script to include FPC 3.0.4 in search path.
219  
220 < 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
272 <   When InsertSQL is generated, the Identity columns are not included in the list of values to
273 <   be inserted. A RETURNING clause is added to the insert statement to return the value of
274 <   each Identity column after the insert is executed.
220 > 12. FB30Statement: Protect call to "Move" and avoid calling with a nil pointer
221  
222 < 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
223 <   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
224 <   Insert..Returning clause.
222 > 13. FB30Statement: A check has been added to ensure that all SQL Parameters
223 >    have been given a value (including NULL). Previously, failing to set the
224 >    value of an SQL Parameter could give rise to unpredictable results or
225 >    an SQLDA error.
226  
227 < 8. TIBGenerator: small performance improvement by not preparing query each time
281 <   a new value is generated.
227 > 14. FB30Statement/FB25Statement: Set SQLParam "modified" when string value set.
228  
229 < 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
229 > 15. FBAttachment: Avoid string reference count error when processing an Ansistring
230 >    parameter in an array of const passed to IAttachment.OpenCursor, etc.
231  
232 < 10. Property editors will now sync table name to a System Table when "Include System
233 <    Tables" is selected and the query is for a System Table.
232 > 16. FBAttachment: Allow for WideString and UnicodeString parameters in an array
233 >    of const passed to IAttachment.OpenCursor, etc.
234  
288 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
289    values are no longer converted to milliseconds from TDateTime and then back again
290    to TDateTime (the conversion to milliseconds is the default TDataset approach).
235  
236 < 12. Property Editors handling of Stored Procedures.
293 <    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
294 <      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
295 <      query).
296 <    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
236 > FBINTF Change Log  version             (1.0-2) Sat, 04 Mar 2017 14:43:56 +0000
237  
238 < 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
299 <    can be used to select a package. If non-empty, the stored procedure name is
300 <    expected to be a stored procedure defined in the specified package and the
301 <    generated SQL will be as required for a stored procedure located in a package.
238 > 1. Change syntax to Mode Delphi
239  
240 < 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
241 <    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
305 <    which a stored procedure can be selected. With no package name selected, non-package
306 <    stored procedures are listed.
240 > 2. Change all uses of string type to explicit AnsiString in order to ensure
241 >   compatibility between Delphi and FPC.
242  
243 < 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
244 <    for password on reconnect.
243 > 3. Various syntax changes to ensure Delphi and FPC compilation including GUIDs
244 >   defined for each interface.
245  
246 < 16. TIBDatabase: use IAttachment for connection default character set id, code page
312 <    and character set name.
246 > 4. Generics syntax variations for Delphi added
247  
248 < 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
249 <    DB info lookups"
248 > 5. PChar replaced with PByte expect where an actual string is being referenced,
249 >   where PAnsiChar is used instead.
250  
251 < 18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
251 > 6. Review of type definitions in IBExternals to ensure Delphi compatibility
252  
253 < 19. Add a property Editor for TIBUpdate.RefreshSQL.
253 > 7. Testsuite updated for Delphi
254  
255 < 20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
322 <    parameters. This stops an exception being raised when the field cannot be
323 <    located in the record buffer.
255 > FBINTF Change Log  version            (1.0-1) Fri, 24 Feb 2017 12:17:57 +0000
256  
257 < 21. Property Editors now automatically include System Tables when opened and when the query table
258 <    is a System Table.
257 > 1. Limit maximum Blob segment read/write to MaxuShort. Avoids data loss with
258 >   large blobs and the FB3 API.
259  
260 < 22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
261 <    This avoids errors due to a stale SQRB or SRB being used for the next query.
260 > 2. Update Event Handling algorithm to avoid looping due to recreation of the
261 >   event block.
262  
263 < 23. IBServices: Service attach parameters now include "expected_db". This is used to
332 <    add the SPB item isc_spb_expected_db. This names a database using
333 <    an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
334 <    database. examples/services re-written to illustrate use of "expected_db".
263 > 3. Avoid invalid XSQLDA error when the only parameter is updated to null
264  
265 < 24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
266 <    This avoids truncated backups when the server returns a timeout (busy) response.
265 > 4. Array Handling: fix problem with text arrays with character set none. When the
266 >   DB connection has a default character set (e.g. UTF8), an error is raised by
267 >   Firebird if the space allocated is not enough to allow for transliteration, even
268 >   though it is not required for character set none.
269  
270 < 25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
270 > 5. IBUtils: List of reserved words brought up-to-date
271  
272 < 26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
342 <    databasenames. These are respectively expanded to the local system's temp directory
343 <    (including trailing delimiter) or to a prescribed data directory (including
344 <    trailing delimiter). Under Unix systems the data directory is a hidden directory
345 <    in the user's home directory. The hidden directory name is either the string returned
346 <    from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
347 <    Under Windows, the directory is the same as the Data Directory as decribed
348 <    above but instead prefixed by the User's application data path. These may be
349 <    used to improve application portability for Personal Databases.
272 > 6. Add ISQL style performance statistics collection to IStatement
273  
274 < 27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
275 <    this has not worked for a long time and is not useful either. FieldDefs should be
353 <    managed using the Fields Editor as with any other dataset. To access the fields
354 <    editor for a TIBTable component, double click on the component. The fields editor
355 <    is then displayed.
274 > 7. Add IFirebirdAPI.CreateDatabase variant to allow execution of user provided
275 >   CREATE DATABASE statement.
276  
277 < 28. TIBDatabaseInfo: new properties/function
278 <     * DateDBCreated (returns date/time database created)
359 <     * TransactionCount (returns no. of active transactions)
360 <     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
361 <     * PagesFree (Firebird 3 or later)
362 <     * PagesUsed (Firebird 3 or later)
363 <     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
364 <     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
277 > 8. Update SQL Statement parsing to allow for Array Dimensions. That is so that the ':' in
278 >   an array dimension is not mistaken for a named parameter prefix.
279  
280 < 29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
280 > 9. Trim function no longer applied to result of GetAsString for SQL_TEXT
281 >   when Character set is octets. Avoids loss of non printable characters at start of string.
282  
283 < 30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
283 > 10. Add function GetPerfStatistics to IStatement. This returns ISQL like performance
284 >    statistics for the last action. Requires use of procedure IStatement.EnableStatistics
285 >    to enable stats gathering.
286  
287 < 31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
371 <    the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
287 > 11. API Version information added as constants to IB.pas
288  
289 < 32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
374 <    in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
375 <    firing during backup and restore.
289 > 12. BlobMetaData character set id should now be the same as that given by IColumnMetaData.GetCharSetID
290  
291 < 33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
378 <    for verbose output using the new property "StatisticsRequested".
379 <    see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
291 > 13. Firebird Character set "NONE" now interpreted as codepage CP_ACP.
292  
293 < 34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
293 > FBINTF Change Log  version                                      (1.0-0) Tue, 06 Dec 2016 10:33:47 +0000
294  
295 < 35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
384 <    palette. This uses the online validation feature added in Firebird 2.5. The
385 <    services's properties enable inclusion/exclusion of tables and indexes using
386 <    regular expressions. See.
387 <    https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
295 > 1. Initial Release
296  
389 36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
390    option on a database.
391
392 37. TIBCustomService: Assign method implemented to allow copying of service login
393    context between service API components. "Detach" method now only detaches
394    service when last reference to the service interface detaches. Tidy up of
395    code for SetActive and Attach methods including password hiding.
396
397 38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
398    and used to determine the auth method and protocol used for the connection.
399
400 39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
401    a Create Database Statement generated by IBX.
402
403 40. All IBServices now have an additional published property "PortNo". This may
404    be set to a non-standard port number when necessary. If zero then the default
405    port number is used.
406
407 41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
408    and not just the mouse.
409
410 42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
411
412 43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
413    image index and selected image index for each node to be set from a database field.
414
415 44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
416    then database schema includes grants to all users. If not present then the
417    only user grants included are those to User PUBLIC.
418
419 45. TIBTreeView: performance improvement. When expanding include both expanded node
420    and child nodes in dataset.
421
422
423 IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
424
425 1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
426   changes.
427
428 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
429   Bug could result in truncated multi-byte character set values.
430
431 3. Changes consequential on moving fbintf character set utility functions from
432   IFirebirdAPI to IAttachment.
433
434 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
435
436 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
437   results in autocomplete ignoring prefix text.
438
439 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
440   entering a new name into the text box.
441
442 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
443   Firebird rather than recomputing it.
444
445 8. Property Editor positioning tidy up: All IBX Property editors should now be
446   screen centre. Previously some were "poDesigned" which may be inappropriate
447   for multi monitor desktops.
448
449 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
450
451 11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
452    a transaction and always reset the object.
453
454 12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
455
456 13. TIBXScript: Allow for override of database filename in Create Database statements.
457
458 14. IBLocaldb: Support initialisation of the database from an SQL script in addition
459    to a gbak format archive.
460
461 15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
462
463 16. IBLocaldb: Drop database if error creating an empty database.
464
465 17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
466    unless selected node not in current dataset.
467
468 18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
469    to TIBCustomService, and IBlocalDB code tidy up.
470
471 19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
472    behaviour due to uninitialised variable.
473
474 20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
475    integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
476
477 21. IBSQL: When Database changed ensure that all resources are freed.
478
479 22. IBCustomDataset: When database changed ensure that queries an unprepared.
480
481 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
482    * Line Wrap on SQL Token boundaries (on user command)
483    * auto-complete table names in drop down list of table names
484    * Double click on tablename or field name adds to SQL text
485
486 24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
487
488 25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
489    TVariantArray. Seems to avoid memory corruption in Windows (probably a
490    workaround for a problem in fpc 3.0.4 win64).
491
492 26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
493
494 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
495
496 IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
497
498 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
499   include remote system name.
500
501 2. TIBExtract: No longer include comment header and COMMIT statement for empty
502   tables when data included in output.
503
504 3. Profiling: IBSQL now has conditional compilation flags to enable query performance
505   and timing information to be written to stdout. This may be used to locate
506   performance bottlenecks.
507
508 4. SQLParser: only call "OnChanging" event handler when value is different.
509
510 5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
511
512 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
513   that BindFields is called when the query is next activated. Avoids FieldName
514   not found error.
515
516 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
517   purpose and allows the programmer to define any action they want for Update, Insert
518   or Delete. This may be complex SQL (similar to a Trigger), application specific
519   filtering of updates, or use of statements such as Grant or Revoke instead of
520   normal DML. See User Manual for more information.
521
522 IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
523
524 1. TIBEvents: Fix uninitialised variable that could result in lost events.
525
526 2. TIBExtract: Added support for FB3 "USAGE" privilege.
527
528 3. TIBExtract: data formatted as Charset set "octets" is now output using
529   hexadecimal notation.
530
531 4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
532   using a simple XML format.
533
534 5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
535   grants to these objects.
536
537 6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
538   dependency problems restoring complex databases.
539
540 7. TIBXScript: This component has been restructured to allow for the processing of
541   embedded XML in INSERT statements and to support interactive sources in addition
542   to non-interactive data sources such as files.
543
544 8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
545
546 9. TIBXScript: ISQL compatiable Set statements are now supported:
547   SET SQL DIALECT
548   SET TERM
549   SET AUTODDL
550   SET BAIL
551   SET ECHO
552   SET COUNT
553   SET STATS
554   SET NAMES <character set>
555
556 10. IBVersion unit added to hold current IBX Version Number information.
557
558 11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
559    and domain definitions.
560
561 12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
562    fully supported.
563
564 13. TIBExtract: when a database dump includes data, the generator values are now also set.
565
566 14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
567
568 IBX Change Log  version     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
569
570 See also doc/IBX4LazarusGuide.pdf for important information on
571 upgrading to IBX2.
572
573 1. Size property of TIBStringField is now the width in characters of the field
574   and not the byte length. This applies only to multi-byte character sets such
575   as UTF8. The original approach aligned with TStringField. However, the TStringField
576   code is not recognised as a bug and hence this change to align the behaviour.
577   The TStringField change is expected in fpc 3.2.0.
578
579 2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
580   true (default) then Size property value saved in the lfm is ignored. Size is
581   always set from the dynamic information read from the database. It is unclear
582   why anyone would want to override this and set Size to false.
583
584 3. ibxscript: should now handle correctly a Case..End statement within a procedure
585   block.
586
587 4. IBDatabase: new property - CreateIfNotExists. If true and database does not
588   exist when an attempt is made to connect to it (run time only) then an attempt
589   is made to create the database.
590
591 5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
592   has been successfully created as a result of a call to CreateDatabase or when
593   creating a database after it was found not to exist.
594
595 6.  DBControlGrid: a race condition could result in the wrong row image being
596    written to the cache. This has been avoided by a trip round the message
597    loop before rendering the row image.
598
599 7.  DBControlGrid: It is strongly recommended not to open the source DataSet for
600    a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
601    known to risk corrupt rendering of row images when the control is first
602    displayed. If necessary use "Application.QueueAsyncCall" to delay opening
603    of the dataset (see DBControlGrid examples) until the Form's Window has been created.
604
605 8.  DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
606    a TDateEdit control located on an editor panel.
607
608 9.  TIBExtract: brought up-to-date plus many bug fixes.
609
610 10. DBControlGrid: Removed memory leak when updating rows.
611
612 11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
613
614 IBX Change Log  version                                           (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
615
616 1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
617   when target codepage is CP_NONE. This is a workaround for
618   http://bugs.freepascal.org/view.php?id=30622.
619
620 2. DBLog option removed from TIBStatisticalService - not supported by server
621   since Firebird 1.5.
622
623 3. ibxscript: An error is no longer generated for "on commit preserve rows" or
624   similar.
625
626 4. IBCodePage: updated mapping between codepages and character id.
627
628 5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
629   Firebird. Character sets with a char width of two are not UTF16.
630
631 6. Strings received from the database are now always transliterated into UTF8
632   regardless of the database character set or connection character set. This
633   is for compatibility with the LCL.
634
635 IBX Change Log  version  (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
636
637 1. IBBlob: Defer reading of blob until read method called. This avoids having to
638   read in an entire blob just to get the size of the blob. General performance
639   improvement when opening datasets containing blobs.
640
641 2. Clearing a  Blob now sets the corresponding field's modified flag.
642
643 3. IBLookupCombo: When not performing auto-complete, original query sort order
644   is now used.
645
646 4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
647   determined.
648
649 5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
650
651 6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
652   lazarus 1.6.0
653
654 7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
655   compilation error.
656
657 IBX Change Log  version                                 (1.4-1) Tue, 17 May 2016 09:14:51 +0100
658
659 1. No character set specified for connection: when a text blob is retrieved, the
660  character set is determined by looking up the native character set using then
661  Firebird API. Otherwise a text mode blob is assumed to have the same character
662  set as the connection.
663
664 2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
665   for Login Dialog returing a change to the database path.
666
667 3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
668   to be changed from that given in the TIBDatabase/TIBServer component and for the
669   entered value to be saved on a project specific basis (design time only).
670
671 4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
672   column fieldname. If they are the same then it is acts as a look up for the KeyValue
673   Otherwise, it sets the column text to the selected ListField Value.
674
675 5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
676   column width.
677
678 6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
679   and a case insensitive search is requested.
680
681 7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
682   or column ListSource.
683
684 8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
685   unprepare) when closing and the text has not changed.
686
687 9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
688   Less likely to cause a cursor re-use error on Windows.
689
690 10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
691   Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
692
693 11. TIBTreeView: Guard against nil destination on record changed
694
695 12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
696    string type with the code page set to reflect the returned field encoding after
697    Firebird driver transliteration, if any.  FPC 3.0.0 onwards only. Behaviour unchanged for
698    earlier versions.
699
700 13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
701    will now result in transliteration to the code page specified for the Firebird driver
702    if the assigned string has a different code page. FPC 3.0.0 onwards only.
703
704 14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
705    is ignored and the lc_ctype value, when the database is opened, is set to align with
706    the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
707    platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
708    3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
709    the GETACP is used to determine the Windows code page.
710
711 15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
712    name used as the lc_ctype when the database was opened. Only valid while the
713    Database is connected.
714
715 16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
716    id that corresponds to the DefaultCharSetName.
717
718 IBX Change Log  version                          (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
719
720 1. Unix: If Firebird Embedded Server shared object is loaded and a local database
721   path is given and database attach fails due to access permission issues on the
722   temp directory or security database, then the attach is retried with "localhost:"
723   prefixing the databasename. This should avoid problems when the database has to
724   be accessed by a local (e.g. classic) server and libfbembed is used.
725
726 2. Windows: revised search order for Firebird DLL:
727     i.   The Firebird Embedded Server in the application Directory.
728     ii.  If the FIREBIRD environment variable is set then the directory this
729          points to is searched for the FB Client DLL and then then underlying
730          "bin" directory.
731     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
732          is used to locate the Firebird installation directory and the underlying
733          "bin" directory is searched for the FB Client DLL.
734     iv.  The Default installation directories C:\Program Files\Firebird\Firebird_2_x
735          are searched for the FB Client DLL.
736     v.   The PATH Environment variable is used to search for the FB Client DLL.
737     vi.  Finally the  PATH Environment variable is used to search for IBASE.DLL.
738
739 3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
740   See doc/readme.scriptengine and example applications.
741
742 4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
743   simplify the use of the embedded firebird server on both Linux and Windows platforms.
744   See dpc/readme.localdatabase and example applications.
745
746 5. IBDynamicGrid: Reordering on column header click should now also work for
747   dynamic columns.
748
749 6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
750   between incrementing/decrementing the lock count and signalling the event.
751
752 IBX Change Log  version           (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
753
754 1.3.2 was never formally released and only made available as beta copies.
755
756 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
757
758 2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
759
760 3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
761
762 4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
763   i.e. when it is a calculated field
764
765 5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
766   This problem was due to a race condition between recalculating row heights and
767   determining which row was selected by the mouse click. The row height calculation
768   is now deferred by an extra trip round the message loop allowing the row to
769   be always calculated on the current grid layout rather than risking it being
770   calculated on the grid layout after the expanded row has been shrunk.
771
772 6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
773   Windows.
774
775 7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
776   These properties allow the (Firebird) character set name for the field and the max number of bytes per character
777   to be determined at runtime. See doc/readme.charactersets.html.
778
779 8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
780   TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
781
782 9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
783   TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
784   1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
785
786   Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
787   from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
788   implies no truncation.
789
790 10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
791
792 11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
793   (avoids "Not in Edit Mode" error).
794
795 12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
796
797 13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
798    DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
799
800 14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
801
802 15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
803
804 16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
805
806 17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
807
808 IBX Change Log  version        (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
809
810 1.   OnCloseUp Event Handler added to TDBLookupProperties
811
812 2.   IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
813     problem with row size when exception is called.
814
815 3.   IBLookupComboEditBox: Force pending autocomplete on combobox exit.
816
817 4.   IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
818     in a TCustomComboBox and ignores return key if in a TCustomMemo
819
820 5.   IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
821     keyed in i.e. when autocomplete not performed
822
823 6.   Cleanup of "Uses" clauses and add console mode support. IBX should now support
824     console mode applications with all LCL required functions (builtin dialogs and
825     cursor management) centralised in the  IBDialogs unit. As long as "IBDialogs" is
826     not included in your project, IBX should compile and link with a console mode program.
827     See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
828     console mode application or the IDE will automatically assume that your
829     application is GUI based. Instead, you should include the ibexpressconsolemode package.
830
831     IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
832     to use the built in dialogs and cursor management. IBDialogs is
833     included by default if "ibexpress" is in your project source's "uses" clause.
834     This should be the case for all projects created through the IDE. This is why
835     you do not want to add the ibexpress package to console mode applications. The
836     ibexpressconsolemode package has been created to allow console mode programs
837     to avoid adding LCL dependencies when using IBX, while still having the
838     unit search paths set up correctly.
839
840     Existing users should check to ensure that the "ibexpress" unit is included in
841     each project's source file (*.lpr).
842
843     You may find that in order for the IDE to recognise that ibexpressconsolemode
844     exists, you have to first open the package in the IDE and then close it. This
845     adds it to the most recently accessed packages list. To make it permanently
846     available, add the package name to lazarus' staticpackages.inc file.
847
848         Thanks to Julio Jiménez for suggesting support of console mode.
849
850 7.   SQL Parser can now accept quoted strings that include new lines
851
852 8.   IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
853     of text on start of edit. This is particularly useful when tabbing to a
854     column and then inserting text.
855
856 9.   New Examples provided for IB Services and ISQLMonitor.
857
858 10. Fix error when writing to blob streams that recorded only the last buffer
859    write in the blob stream. In most cases, this did not cause a problem as the
860    IB Blob Stream is written in a single write. However, with the TDBImage, write
861    of a graphic type prefix was lost which caused a problem when the image could
862        not be automatically recognised.
863
864 11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
865    already open" errors due to random numbers used for the cursor name being identical.
866
867 12. IBTable: corrected error that could result in an "Index out of bounds" error
868    when opening the table and the Primary Key is the last or only column in the
869    table. Thanks to Rick Hoover for the fix.
870
871 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
872    of "UTF-8", and update list of available database character sets. Existing
873    users should check the current lc_ctype setting in their applications.
874
875 IBX Change Log  version  (1.2-4) Sat, 09 May 2015 12:38:29 +0100
876
877 1.  Firebird Services: avoid List Index error when opening a service with an
878    empty Params property.
879
880 2.  IBControls: Fix problem with new link mechanism introduced in 1.2.3.
881    Link now set up in Loaded method - avoids occasional failure to apply
882    SQL markup on initial open.
883
884 3.  "Employees" example performance improvements when scrolling.
885
886 4.  DBControlGrid: Correctly handle edit panel removal when panel is child control of a
887    TFrame. Force recaching of selected frame to avoid GTK race (results in a
888    random image cached).
889
890 5.  DBControlGrid: Should now react to changes in panel height at run time.
891
892 6.  IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid  
893    even when further rows exist.
894
895 7.  DBControlGrid: DefaultRowHeight is no longer a published property as it should
896    always be derived from panel height and setting this property can cause confusion.
897    Note for existing projects: to avoid a missing property error at run time,
898    each form using the DBControlGrid must be opened, updated and saved in the IDE
899    in order to remove the property value from the lfm.
900
901
902 IBX Change Log  version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
903
904 1.  TIBStoredProc. Prepare now called by ParamByName to avoid need to always
905    call Prepare before setting parameter values.
906
907 2.  Error message on ParamByName (all cases) not found now includes name of missing parameter.
908
909 3.  Code tidyup and more robust handling of dsql information result vector.
910
911 4.  Support for centralised handling of transaction status changes. TIBTransaction
912    has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
913    and "AfterExecQuery". The first three are called after the same event is called
914    for an IBCustomDataSet descendent using the Transaction. The fourth is called
915    after a call to TIBSQL.ExecQuery, again using this transaction. These new events
916    enable monitoring of transaction status changes for a given transaction to be
917    handled in a single place. For example, when a change to the dataset occurs
918    an indicator can be set that shows the user that in order to save changes,
919    the transaction should be committed.  Rather than doing this per dataset, this
920    can now be done per transaction.
921
922 5.  TDataSet.CheckBrowseMode automatically posts changes to the current row when
923    the dataset is scrolled. However, any changes to the current row are, by default,
924    discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
925    have a new property "DataSetCloseAction" that adds automatic posting of changes
926    on dataset close. If this property is set to dcDiscardChanges (default) then the
927    behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
928    then IBX will attempt to post any unsaved changes before the dataset is closed
929    (and after the BeforeClose event handler is called). The exception is when the
930    dataset is being closed as a result of a transaction rollback. In this case,
931    no action is taken and any unsaved  changes are discarded. This avoids both
932    unnecessary overhead and the risk that a validation error may occur in the Post
933    raising an exception and thereby preventing a rollback.
934
935 6.  String Field sizes and Display Widths should now be correct for multi-byte character sets.
936    In earlier versions, the Display Width was set to the maximum byte width rather than the character
937    width. Display Widths are now corrected by dividing by the max byte width per character.
938    For UTF8 character sets, the byte width is four and hence the Display Width will be
939    the byte width divided by 4. The byte width of each character set is determined
940    dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
941    system table. (see also http://bugs.freepascal.org/view.php?id=27766).
942
943 7.  SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
944
945 8.  IBLookupComboEditBox: List should now always be restored to full list when the
946    control loses focus. Default Key press default interval reduced to 200ms.
947
948 9.  DBControlGrid: Ensure that selection is changed to newly appended row, even
949    when dataset rows are less than visible rows.
950
951 10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
952    does not exist or DataSet is empty. More responsive on dataset open. New event
953    OnRestorePosition. Column sort disabled if no header row.
954
955 11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
956    while dataset state is dsInsert. Avoids posting errors.
957
958 12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
959    avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
960
961 13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
962
963 14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
964    to solve a specific problem. That is when the dataset cursor is moved (e.g. by
965    a grid mouse click and the current row is being edited or inserted. In this case, TDataset
966    always "posts" the current record regardless or whether or not it may be more appropriate
967    to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
968    "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
969    as the first action of the "Post" method and allows the handler to convert the Post
970    into a Cancel if that is the appropriate action on moving to a different row. This is
971    achieved by returning with "CancelPost" argument set to true. Note that an exception could be
972    raised here, but it may still be more appropriate to validate a post and signal
973    a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
974
975 15. On Unix derived systems, the Firebird library name can now be given as a colon
976    separated list. Each library name on the list is tried in turn, in left to right
977    order with the first found being used as the firebird library. By default, on Linux,
978    the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
979    overidden by the FBLIB environment variable or the OnGetLibraryName function.
980
981    Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
982    then it will still attempt to access the database via the Firebird Server and will
983    require a username and password. If only the pathname is given, then the username
984    and password should be omitted and the unix file permissions are used to grant
985    access.
986
987 IBX Change Log  version  (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
988
989 1.  A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
990    rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
991    that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
992    corresponds to a row of the linked DataSource. Any data aware control on the
993    replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
994
995 2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
996   When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
997   takes place during database access. This may be useful when there are performance issues with
998   the change of cursor. Setting the property to false suppresses the change of cursor.
999
1000 3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
1001   and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
1002   Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
1003   making all changes permanent immediately rather than when the transaction is explicitly
1004   committed.
1005
1006 4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
1007   using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
1008
1009 IBX Change Log  version      (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
1010
1011 Development version only.
1012
1013 IBX Change Log  version   (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
1014
1015 1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
1016   This is typically used during an "OnBeforeOpen" event handler to manipulate the
1017   "Where" and "Having" clauses to implement user specified filters of arbitrary
1018   complexity.
1019
1020 2. A new Component Palette entry "Firebird Data Controls" is now available. This has
1021   three new data aware controls dependent on IBX and which make use of the SQL Parser.
1022   These are:
1023
1024   - TIBLookupComboEditBox
1025   - TIBDynamicGrid
1026   - TIBTreeview
1027
1028   TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
1029   of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
1030   to revise the available list and restrict it to items that are prefixed by the
1031   typed text (either case sensitive or case insensitive). Autoinsert allows a
1032   newly typed entry to be added to the list dataset and included in the available
1033   list items.
1034
1035   TIBDynamicGrid is a TDBGrid descendent that provides for:
1036   - automatic resizing of selected columns to fill the available row length
1037   - automatic positioning and sizing of a "totals" control, typically at the
1038     column footer, on a per column basis.
1039   - DataSet resorting on header row click, sorting the dataset by the selected column.
1040     A second click on the same header cell reversed the sort order.
1041   - Support for a "Panel Editor". That is on clicking the indicator column, the row
1042     is automatically expanded and a panel superimposed on it. The panel can have any
1043     number of child controls, typically data aware controls with the same datasource
1044     as the grid allowing for editing of additional fields and more complex editors.
1045   - Reselection of the same row following resorting.
1046   - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
1047     Its properties are specified on a per column basis and allows for one or more
1048     columns to have their values selected from a list provided by a dataset.
1049     Autocomplete and autoinsert are also available. The existing picklist editor
1050     is unaffected by the extension.
1051
1052   TIBTreeView is a data aware TCustomTreeView.
1053
1054 3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
1055   zero scale will no longer return an error. An Int64 will be returned instead.
1056
1057 4. TIBTransaction now has events for Before and After Transaction End and a new function
1058   "GetEndAction" allowing the EndAction to be accessed by these event handlers.
1059
1060 5. TIBQuery can now handle correctly queries which contain the same keyword parameter
1061   repeated multiple times.
1062
1063 6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
1064   check used to get in the way of using Stored Procedures, and "Update or Insert"
1065   statements.
1066
1067 7. Insert, Modify and Delete property Editors now support Query Generation from
1068   Stored Procedures.
1069
1070 8. Three new examples illustrate the use of the new IB Controls
1071
1072
1073 IBX Change Log  version  (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
1074
1075 1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
1076   setting performance. See "readme.field+param.names in the doc folder.(Thanks to
1077   Gabor Boros for reporting this problem and for testing the improvements).
1078
1079 2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
1080   See readme.field+param.names in the doc folder.
1081
1082 3. IBX SQL Editors will now automatically add double quotes around column names when the database
1083   dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
1084
1085 4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
1086
1087 5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
1088   actions.
1089
1090 6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
1091   thanks to Yuriy Kopnin for pointing this out).
1092
1093 7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
1094
1095 8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
1096   for both fields and parameter setting.
1097
1098 9. Changes to the Select SQL in an IBCustomDataset descendent should now be
1099   visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
1100
1101 10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
1102    when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
1103
1104 11. TIBTable now has a property editor for "MasterFields"
1105
1106 12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
1107    GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
1108
1109 13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
1110    of settings is unrecognised. Selecting this radio button has no effect on the settings.
1111  
1112
1113 IBX Change Log  version                 (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
1114
1115 1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.
1116
1117 IBX Change Log  version          (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000
1118
1119 1. In a TIBCustomDataset descendent, a generator now only sets the value when
1120   it is null. This allows for alternative user defined setting of the generator
1121
1122   Many thanks to Julio Jiménez for this fix
1123
1124 2. An Error Dialog is now displayed in the Lazarus IDE if IBX cannot find the Firebird Library
1125   and suggests that the user may have forgotten to install it.
1126
1127 IBX Change Log  version         (1.0-3) Thu, 22 Nov 2012 22:53:39 +0000
1128
1129 1. Conditional compilation used to limit registration of TIntegerField to
1130   Lazarus versions less than 1.1
1131
1132 2. When a database connection is created, character set is now by default set
1133   to UTF8 (Unix) or to the current Windows code page (Windows) if in the range
1134   1250 to 1254.
1135
1136
1137 IBX Change Log  version     (1.0-2) Tue, 09 Oct 2012 09:10:30 +0100
1138
1139 1. TBookmark change conditional compile changed to > 2.6.2 to match expected availability of change.
1140
1141
1142 IBX Change Log  version    (1.0-1) Sun, 05 Aug 2012 20:00:04 +0100
1143
1144 1. In IBCustomDataset. Changed CurBookmark from string to TBookmark for compiler versions > 2.6.0
1145   Necessary because of TBookmark type and TDataSet.Bookmark property change in fpc 2.7.1
1146
1147 2. IBX now registers TIntegerField as a "No Icon" component. This may be removed if the fpc DB
1148   package is changed to do this (which it should do).
1149
1150 IBX Change Log  version (1.0-0)  Sat, 28 Apr 2012 16:43:00 +0100
1151
1152 1. Add "if active then active := false" to TIBCustomDataset destructor. (Avoid error on database close).
1153
1154 2. Make use of $STATIC conditional in IBSQLMonitor (Needed for FPC 2.6.0 compliance)
1155
1156 3. Database Property Editor: Character Set drop down box now uses "OnChange" rather than "OnCloseUp" to react to changes
1157
1158 4. Property editors should now correctly resize.
1159
1160 5. In IBDatabaseEdit.TestClick, the LoginPrompt is now set to the state of the LoginPrompt Checkbox
1161   (restored original functionality)
1162
1163 6. Under OSX, if IBX fails to load libfbclient.dylib, it will now try and load the firebird
1164   library using the absolute path /Library/Frameworks/Firebird.framework/Firebird.

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