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Revision 340 by tony, Wed Jul 7 11:53:54 2021 UTC vs.
Revision 359 by tony, Tue Dec 7 09:37:32 2021 UTC

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1 + FBINTF Change Log  version          (1.3-3 Build 12935) Mon, 06 Dec 2021 23:17:13 +0000
2 +
3 + 1. Fix compile error with fpc trunk (3.3.1 and later), due to type change to tzname in "unix" unit.
4 +
5 + 2. Remove constraint in IAttachment.HasScollableCursors that returned false when
6 +   using remote protocol. Scrollable cursors with remote database expected to
7 +   be support for Firebird 4.0.1 onwards. Note: Firebird 4.0.0 will return
8 +   a not supported error.
9 +
10 + 3. IStatement: new function;
11 +    TStatementFlag = (stHasCursor,stRepeatExecute,stScrollable);
12 +    TStatementFlags = set of TStatementFlag;
13 +    function GetFlags: TStatementFlags;
14 +
15 + 4. Revised behaviour for IStatement.ExecuteQuery in order to preserve backwards
16 +   compatibility.
17 +   In Firebird 5, Update..Returning may returns multiple rows and hence the statemen
18 +   type changes from ExecProcedure to Select. So that ExecuteQuery can continue
19 +   to be used with Update...Retruning statements that return a singleton row,
20 +   instead of raising an exception when ExecuteQuery is used with a (SELECT) statement,
21 +   it will open the cursor and return the first row only.
22 +
23 + 5. ITransaction: new functions:
24 +    function GetIsReadOnly: boolean;
25 +    function GetTransactionID: integer;
26 +    function GetTrInformation(Requests: array of byte): ITrInformation; overload;
27 +    function GetTrInformation(Request: byte): ITrInformation; overload;
28 +
29 +   The latter two return the Transaction Information block. The first two extract
30 +   information the Transaction Information block
31 +
32 + 6. New function TSQLTokeniser.ReadCharacters
33 +   Used internally.
34 +
35 + 7. IStatement: GetProcessedSQL bug fix. No longer raises and error if SQL contains
36 +   parameter placeholders instead of named parameters.
37 +
38 + 8. ITransaction (Firebird 3 and later): An exception raised when freeing an underlying
39 +   transaction handle is now ignored if Rollback/Commit is called with Force=true
40 +
41 + FBINTF Change Log  version          (1.3-2 Build 12889) Sun, 24 Oct 2021 13:49:28 +0100
42 +
43 + 1. TFBClientAPI.GetProcAddr. Add check for nil reference.
44 +
45 + 2. IStatement: new methods:
46 +    procedure SetStaleReferenceChecks(Enable:boolean); {default true}
47 +    function GetStaleReferenceChecks: boolean;
48 +
49 +   In previous versions, stale reference checks were always enabled. This allows the
50 +   user to disable them on a per statement basis. Note this can risk out-of-date
51 +   statement BLR. See User Guide.
52 +
53 + 3. IBUtils: TSQLwithNamedParamsTokeniser now recognises a CASE...END block within a
54 +   stored procedure and hence avoids replacing named parameters within a containing
55 +   BEGIN..END block.
56 +
57 + 4. ISQLParam: using a string value to set an integer field with a scale factor of
58 +   zero is now treated as a special case to avoid the risk of floating point
59 +   rounding errors affecting pure integers.
60 +
61 + 5. ISQLParam:  Review and tidy-up of SetAsString for numeric types.
62 +
63 + 6. ISQLParam is now subclassed from IParamMetaData, which provides access to the mutable
64 +   SQL Parameter metadata (methods moved from ISQLParam).
65 +
66 + 7. ISQLParam: new method
67 +     function getColMetadata: IParamMetaData;
68 +   This instance of IParamMetaData returns the original column metadata which is unmutable.
69 +   Note: ISQLParam metadata can change after a parameter value has been set e.g when
70 +   setting a VARCHAR column to an integer value.
71 +
72 + 8. IStatement: can now set cursor name when opening a cursor. New overloaded method:
73 +    procedure Prepare(CursorName: AnsiString; aTransaction: ITransaction=nil); overload;
74 +   also IAttachment:
75 +    function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; CursorName: AnsiString=''): IStatement; overload;
76 +    function Prepare(transaction: ITransaction; sql: AnsiString; CursorName: AnsiString=''): IStatement; overload;
77 +    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
78 +                       aSQLDialect: integer; GenerateParamNames: boolean=false;
79 +                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
80 +    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
81 +                       GenerateParamNames: boolean=false;
82 +                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
83 +
84 + 9. Support for scrollable cursors added. New/updated methods:
85 +   IAttachment:
86 +    function HasScollableCursors: boolean;
87 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
88 +                             Scrollable: boolean=false): IResultSet; overload;
89 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
90 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
91 +                             params: array of const): IResultSet; overload;
92 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false;
93 +                             params: array of const): IResultSet; overload;
94 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
95 +                             params: array of const): IResultSet; overload;
96 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
97 +                             Scrollable: boolean=false): IResultSet; overload;
98 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
99 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean;
100 +                             params: array of const): IResultSet; overload;
101 +    function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
102 +    function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean;
103 +                             params: array of const): IResultSet; overload;
104 +   IStatement:
105 +     function OpenCursor(Scrollable: boolean; CursorName: AnsiString =''; aTransaction: ITransaction=nil): IResultSet; overload;
106 +   IResultSet:
107 +    function FetchPrior: boolean; {fetch previous record}
108 +    function FetchFirst:boolean; {fetch first record}
109 +    function FetchLast: boolean; {fetch last record}
110 +    function FetchAbsolute(position: Integer): boolean; {fetch record by its absolute position in result set}
111 +    function FetchRelative(offset: Integer): boolean; {fetch record by position relative to current}
112 +    function IsBof: boolean;
113 +
114 + 10. IArray: tidyup of SetAsString method to ensure correct handling of fixed point numbers.
115 +
116 + 11. IBUtils: TSQLTokeniser. CRLF now combined by low level parser into sqltEOL token. This
117 +    may be noticeable when a line separator occurs inside quoted text. The quoted text
118 +    output by the tokeniser will now use the platform specific lineEnding regardless
119 +    of whether the input uses the CRLF or LF as a line separator.
120 +
121 + 12. IStatement, IResultsSet: Support for scrollable cursors added (note: local databases only)
122 +
123 +
124 + FBINTF Change Log  version          (1.3-1 Build 12776) Mon, 23 Aug 2021 11:09:33 +0100
125 +
126 + 1. Integer decodes in information blocks (e.g. IDBInfoItem) widened from 32 bit to 64-bit integers.
127 +
128 + 2. Support for inline blob encoding. Blob values pass using the "SetAsString" method
129 +   will now be encoded inline (i.e. as part of the parameter buffer) if they are
130 +   shorter than a pre-set limit. Longer values continue to be saved as blobs as a
131 +   separate server interaction. This is intended as a performance optimisation.
132 +
133 +   The pre-set limit defaults to 8192 bytes and can be inspected/modified using the new
134 +   IAttachment interface functions:
135 +
136 +    function GetInlineBlobLimit: integer;
137 +    procedure SetInlineBlobLimit(limit: integer);
138 +
139 + 3. Support for Firebird 4 IBatch interface added. This is largely transparent to the API
140 +   user as the functionality is embedded in the implementation of the IStatement
141 +   interface. Three new functions are defined:
142 +
143 +    procedure AddToBatch;
144 +    function ExecuteBatch(aTransaction: ITransaction=nil): IBatchCompletion;
145 +    procedure CancelBatch;
146 +    function GetBatchCompletion: IBatchCompletion;
147 +    function GetBatchRowLimit: integer;
148 +    procedure SetBatchRowLimit(aLimit: integer);
149 +
150 +   Also
151 +
152 +    function IsInBatchMode: boolean;        {true after call to execute(eaDefer)}
153 +    function HasBatchMode: boolean;         {true if and only if IBatch Supported}
154 +
155 +   For more information see the User Guide.
156 +
157 + 4. Default error message contents. Now aligned with User Guide section 10.2 i.e. error messages
158 +   provided with the EIBInterBaseError now include all three parts.
159 +
160 + 5. Firebird.pas and include files updated to Firebird 4.0.0
161 +
162 + 6. New IStatement method: function GetSQLStatementTypeName: AnsiString;
163 +   Returns SQL Statement type as a text string;
164 +
165 + 7. ISQLData.AsInteger and AsInt64 now use "Round" to convert a float field to
166 +   an integer instead of "trunc". This is for compatibility with TFloatField.AsInteger.
167 +
168   FBINTF Change Log  version          (1.2-1 Build 12552) Wed, 09 Jun 2021 13:05:40 +0100
169  
170   1. Big fix for Firebird 4.0. A internal change in Firebird 4.0.0 from RC1 flushed out a

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