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FBINTF Change Log version (1.3-2 Build 12806) Wed, 06 Oct 2021 09:07:03 +0100 |
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FBINTF Change Log version (1.3-3 Build 12935) Mon, 06 Dec 2021 23:17:13 +0000 |
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1. Fix compile error with fpc trunk (3.3.1 and later), due to type change to tzname in "unix" unit. |
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2. Remove constraint in IAttachment.HasScollableCursors that returned false when |
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using remote protocol. Scrollable cursors with remote database expected to |
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be support for Firebird 4.0.1 onwards. Note: Firebird 4.0.0 will return |
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a not supported error. |
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3. IStatement: new function; |
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TStatementFlag = (stHasCursor,stRepeatExecute,stScrollable); |
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TStatementFlags = set of TStatementFlag; |
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function GetFlags: TStatementFlags; |
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4. Revised behaviour for IStatement.ExecuteQuery in order to preserve backwards |
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compatibility. |
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In Firebird 5, Update..Returning may returns multiple rows and hence the statemen |
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type changes from ExecProcedure to Select. So that ExecuteQuery can continue |
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to be used with Update...Retruning statements that return a singleton row, |
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instead of raising an exception when ExecuteQuery is used with a (SELECT) statement, |
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it will open the cursor and return the first row only. |
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5. ITransaction: new functions: |
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function GetIsReadOnly: boolean; |
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function GetTransactionID: integer; |
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function GetTrInformation(Requests: array of byte): ITrInformation; overload; |
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function GetTrInformation(Request: byte): ITrInformation; overload; |
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The latter two return the Transaction Information block. The first two extract |
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information the Transaction Information block |
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6. New function TSQLTokeniser.ReadCharacters |
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Used internally. |
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7. IStatement: GetProcessedSQL bug fix. No longer raises and error if SQL contains |
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parameter placeholders instead of named parameters. |
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8. ITransaction (Firebird 3 and later): An exception raised when freeing an underlying |
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transaction handle is now ignored if Rollback/Commit is called with Force=true |
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FBINTF Change Log version (1.3-2 Build 12889) Sun, 24 Oct 2021 13:49:28 +0100 |
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1. TFBClientAPI.GetProcAddr. Add check for nil reference. |
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stored procedure and hence avoids replacing named parameters within a containing |
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BEGIN..END block. |
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4. ISQLParam: using a string value to set an integer field with a scale factor of |
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zero is now treated as a special case to avoid the risk of floating point |
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rounding errors affecting pure integers. |
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5. ISQLParam: Review and tidy-up of SetAsString for numeric types. |
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6. ISQLParam is now subclassed from IParamMetaData, which provides access to the mutable |
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SQL Parameter metadata (methods moved from ISQLParam). |
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7. ISQLParam: new method |
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function getColMetadata: IParamMetaData; |
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This instance of IParamMetaData returns the original column metadata which is unmutable. |
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Note: ISQLParam metadata can change after a parameter value has been set e.g when |
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setting a VARCHAR column to an integer value. |
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8. IStatement: can now set cursor name when opening a cursor. New overloaded method: |
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procedure Prepare(CursorName: AnsiString; aTransaction: ITransaction=nil); overload; |
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also IAttachment: |
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function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; CursorName: AnsiString=''): IStatement; overload; |
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function Prepare(transaction: ITransaction; sql: AnsiString; CursorName: AnsiString=''): IStatement; overload; |
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function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString; |
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aSQLDialect: integer; GenerateParamNames: boolean=false; |
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CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload; |
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function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString; |
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GenerateParamNames: boolean=false; |
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CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload; |
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9. Support for scrollable cursors added. New/updated methods: |
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IAttachment: |
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function HasScollableCursors: boolean; |
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function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; |
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Scrollable: boolean=false): IResultSet; overload; |
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function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload; |
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function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean; |
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params: array of const): IResultSet; overload; |
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function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false; |
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params: array of const): IResultSet; overload; |
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function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean; |
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params: array of const): IResultSet; overload; |
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function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; |
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Scrollable: boolean=false): IResultSet; overload; |
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function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload; |
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function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean; |
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params: array of const): IResultSet; overload; |
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function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean=false): IResultSet; overload; |
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function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean; |
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params: array of const): IResultSet; overload; |
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IStatement: |
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function OpenCursor(Scrollable: boolean; CursorName: AnsiString =''; aTransaction: ITransaction=nil): IResultSet; overload; |
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IResultSet: |
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function FetchPrior: boolean; {fetch previous record} |
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function FetchFirst:boolean; {fetch first record} |
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function FetchLast: boolean; {fetch last record} |
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function FetchAbsolute(position: Integer): boolean; {fetch record by its absolute position in result set} |
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function FetchRelative(offset: Integer): boolean; {fetch record by position relative to current} |
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function IsBof: boolean; |
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10. IArray: tidyup of SetAsString method to ensure correct handling of fixed point numbers. |
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11. IBUtils: TSQLTokeniser. CRLF now combined by low level parser into sqltEOL token. This |
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may be noticeable when a line separator occurs inside quoted text. The quoted text |
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output by the tokeniser will now use the platform specific lineEnding regardless |
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of whether the input uses the CRLF or LF as a line separator. |
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12. IStatement, IResultsSet: Support for scrollable cursors added (note: local databases only) |
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FBINTF Change Log version (1.3-1 Build 12776) Mon, 23 Aug 2021 11:09:33 +0100 |
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1. Integer decodes in information blocks (e.g. IDBInfoItem) widened from 32 bit to 64-bit integers. |
