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ibx/trunk/fbintf/changelog (file contents), Revision 280 by tony, Tue Feb 5 09:46:35 2019 UTC vs.
ibx/branches/udr/changelog (file contents), Revision 375 by tony, Sun Jan 9 23:42:58 2022 UTC

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1 + FBINTF Change Log  version          (1.4-0 Build 12952) Tue, 07 Dec 2021 11:53:46 +0000
2 +
3 + 1. Client side journaling support added. Interface changes
4 +   IAttachment
5 +    function JournalingActive: boolean;
6 +    function GetJournalOptions: TJournalOptions;
7 +    function StartJournaling(aJournalLogFile: AnsiString): integer; overload;
8 +    function StartJournaling(aJournalLogFile: AnsiString; Options: TJournalOptions): integer; overload;
9 +    function StartJournaling(S: TStream; Options: TJournalOptions): integer; overload;
10 +    procedure StopJournaling(RetainJournal: boolean);
11 +
12 + 2. Transactions may now be given a local transaction name:
13 +   IFirebirdAPI
14 +     function StartTransaction(Attachments: array of IAttachment;
15 +             TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
16 +             TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit;
17 +             aName: AnsiString=''): ITransaction; overload;
18 +     function StartTransaction(Attachments: array of IAttachment;
19 +             TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
20 +             TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit;
21 +             aName: AnsiString=''): ITransaction; overload;
22 +
23 +   IAttachment
24 +    function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
25 +    function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
26 +    function StartTransaction(TPB: array of byte;
27 +                              DefaultCompletion: TTransactionCompletion=taCommit;
28 +                              aName: AnsiString=''): ITransaction; overload;
29 +    function StartTransaction(TPB: ITPB;
30 +                              DefaultCompletion: TTransactionCompletion=taCommit;
31 +                              aName: AnsiString=''): ITransaction; overload;
32 +
33 +  ITransaction
34 +    function GetTransactionName: AnsiString;
35 +    procedure SetTransactionName(aValue: AnsiString);
36 +
37 + 3. Additional Transaction information
38 +     ITPB.function AsText: AnsiString; {Returns TPB as a text string}
39 +
40 +   ITransaction
41 +     function GetDefaultCompletion: TTransactionCompletion;
42 +     function GetJournalingActive(attachment: IAttachment): boolean; {attachment must be specified when multi-database transaction}
43 +
44 + 4. New IAttachment helper functions
45 +     function HasTable(aTableName: AnsiString): boolean;
46 +     function HasFunction(aFunctionName: AnsiString): boolean;
47 +     function HasProcedure(aProcName: AnsiString): boolean;
48 +     function GetAttachmentID: integer;
49 +     function GetCharSetID: integer;
50 +
51 + 5. IStatement: if the BatchRowLimit is set to maxint, the maximum possible buffer size
52 +   will be allocted for batch operations.
53 +
54 + 6. IStatement, IColumnMetaData and ISQLParam all now consistently provide:
55 +    function GetStatement: IStatement;
56 +    function GetTransaction: ITransaction;
57 +    function GetAttachment: IAttachment;
58 +
59 + 7. Internal: a more disciplined approach to the handling of Firebird.IReferenceCounted
60 +   interfaces.
61 +
62 + 8. New interface type: IFBNumeric. IFBNumeric is implemented in the unit FBNumeric
63 +   and concentrates all handling of Fixed Point numbers. New ISQLItem and ISQLParam
64 +   functions getAsNumeric and setAsNumeric allow for direct retrival and manipulation
65 +   of numerics without loss of precision.
66 +
67 + 9. TryStrToNumeric and NumericToDouble moved from IBUtils to FBNumeric.
68 +
69 + 10. ISQLParams new method "Clear"
70 +
71 + 11. Support package fbudr added for support of User Defined Routines (UDRs).
72 +
73 + 12. Package layout changed with introduction of udr support. IB*.pas files moved from
74 +    root directory to "client". IBHeader move to "Client".
75 +
76 + 13. Connection Info (e.g. ODS Version, Remote Protocol) now retrieved on first
77 +    request rather than on attachment connect.
78 +
79 +
80 + FBINTF Change Log  version          (1.3-3 Build 12935) Mon, 06 Dec 2021 23:17:13 +0000
81 +
82 + 1. Fix compile error with fpc trunk (3.3.1 and later), due to type change to tzname in "unix" unit.
83 +
84 + 2. Remove constraint in IAttachment.HasScollableCursors that returned false when
85 +   using remote protocol. Scrollable cursors with remote database expected to
86 +   be support for Firebird 4.0.1 onwards. Note: Firebird 4.0.0 will return
87 +   a not supported error.
88 +
89 + 3. IStatement: new function;
90 +    TStatementFlag = (stHasCursor,stRepeatExecute,stScrollable);
91 +    TStatementFlags = set of TStatementFlag;
92 +    function GetFlags: TStatementFlags;
93 +
94 + 4. Revised behaviour for IStatement.ExecuteQuery in order to preserve backwards
95 +   compatibility.
96 +   In Firebird 5, Update..Returning may returns multiple rows and hence the statemen
97 +   type changes from ExecProcedure to Select. So that ExecuteQuery can continue
98 +   to be used with Update...Retruning statements that return a singleton row,
99 +   instead of raising an exception when ExecuteQuery is used with a (SELECT) statement,
100 +   it will open the cursor and return the first row only.
101 +
102 + 5. ITransaction: new functions:
103 +    function GetIsReadOnly: boolean;
104 +    function GetTransactionID: integer;
105 +    function GetTrInformation(Requests: array of byte): ITrInformation; overload;
106 +    function GetTrInformation(Request: byte): ITrInformation; overload;
107 +
108 +   The latter two return the Transaction Information block. The first two extract
109 +   information the Transaction Information block
110 +
111 + 6. New function TSQLTokeniser.ReadCharacters
112 +   Used internally.
113 +
114 + 7. IStatement: GetProcessedSQL bug fix. No longer raises and error if SQL contains
115 +   parameter placeholders instead of named parameters.
116 +
117 + 8. ITransaction (Firebird 3 and later): An exception raised when freeing an underlying
118 +   transaction handle is now ignored if Rollback/Commit is called with Force=true
119 +
120 + 9. Tidy up of exception handling code. Under the legacy API, fb_interpret is now
121 +   used to get an IBError Message instead of isc_interprete.
122 +
123 + 10. Internal tidyup. Native code now used for decoding integers and the events
124 +    buffer. Avoids dependencies on fbclient functions isc_portable_integer,
125 +    isc_event_block and isc_event_counts.
126 +
127 + 11. New IAttachment function
128 +     function GetAttachmentID: integer;
129 +
130 + 12. Internal changes to TFBClientAPI, TFBAttachment and TFBTransaction and TFB30
131 +    subclasses to enable UDR support.
132 +
133 + FBINTF Change Log  version          (1.3-2 Build 12889) Sun, 24 Oct 2021 13:49:28 +0100
134 +
135 + 1. TFBClientAPI.GetProcAddr. Add check for nil reference.
136 +
137 + 2. IStatement: new methods:
138 +    procedure SetStaleReferenceChecks(Enable:boolean); {default true}
139 +    function GetStaleReferenceChecks: boolean;
140 +
141 +   In previous versions, stale reference checks were always enabled. This allows the
142 +   user to disable them on a per statement basis. Note this can risk out-of-date
143 +   statement BLR. See User Guide.
144 +
145 + 3. IBUtils: TSQLwithNamedParamsTokeniser now recognises a CASE...END block within a
146 +   stored procedure and hence avoids replacing named parameters within a containing
147 +   BEGIN..END block.
148 +
149 + 4. ISQLParam: using a string value to set an integer field with a scale factor of
150 +   zero is now treated as a special case to avoid the risk of floating point
151 +   rounding errors affecting pure integers.
152 +
153 + 5. ISQLParam:  Review and tidy-up of SetAsString for numeric types.
154 +
155 + 6. ISQLParam is now subclassed from IParamMetaData, which provides access to the mutable
156 +   SQL Parameter metadata (methods moved from ISQLParam).
157 +
158 + 7. ISQLParam: new method
159 +     function getColMetadata: IParamMetaData;
160 +   This instance of IParamMetaData returns the original column metadata which is unmutable.
161 +   Note: ISQLParam metadata can change after a parameter value has been set e.g when
162 +   setting a VARCHAR column to an integer value.
163 +
164 + 8. IStatement: can now set cursor name when opening a cursor. New overloaded method:
165 +    procedure Prepare(CursorName: AnsiString; aTransaction: ITransaction=nil); overload;
166 +   also IAttachment:
167 +    function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; CursorName: AnsiString=''): IStatement; overload;
168 +    function Prepare(transaction: ITransaction; sql: AnsiString; CursorName: AnsiString=''): IStatement; overload;
169 +    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
170 +                       aSQLDialect: integer; GenerateParamNames: boolean=false;
171 +                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
172 +    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
173 +                       GenerateParamNames: boolean=false;
174 +                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
175 +
176 + 9. Support for scrollable cursors added. New/updated methods:
177 +   IAttachment:
178 +    function HasScollableCursors: boolean;
179 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
180 +                             Scrollable: boolean=false): IResultSet; overload;
181 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
182 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
183 +                             params: array of const): IResultSet; overload;
184 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false;
185 +                             params: array of const): IResultSet; overload;
186 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
187 +                             params: array of const): IResultSet; overload;
188 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
189 +                             Scrollable: boolean=false): IResultSet; overload;
190 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
191 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean;
192 +                             params: array of const): IResultSet; overload;
193 +    function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
194 +    function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean;
195 +                             params: array of const): IResultSet; overload;
196 +   IStatement:
197 +     function OpenCursor(Scrollable: boolean; CursorName: AnsiString =''; aTransaction: ITransaction=nil): IResultSet; overload;
198 +   IResultSet:
199 +    function FetchPrior: boolean; {fetch previous record}
200 +    function FetchFirst:boolean; {fetch first record}
201 +    function FetchLast: boolean; {fetch last record}
202 +    function FetchAbsolute(position: Integer): boolean; {fetch record by its absolute position in result set}
203 +    function FetchRelative(offset: Integer): boolean; {fetch record by position relative to current}
204 +    function IsBof: boolean;
205 +
206 + 10. IArray: tidyup of SetAsString method to ensure correct handling of fixed point numbers.
207 +
208 + 11. IBUtils: TSQLTokeniser. CRLF now combined by low level parser into sqltEOL token. This
209 +    may be noticeable when a line separator occurs inside quoted text. The quoted text
210 +    output by the tokeniser will now use the platform specific lineEnding regardless
211 +    of whether the input uses the CRLF or LF as a line separator.
212 +
213 + 12. IStatement, IResultsSet: Support for scrollable cursors added (note: local databases only)
214 +
215 +
216 + FBINTF Change Log  version          (1.3-1 Build 12776) Mon, 23 Aug 2021 11:09:33 +0100
217 +
218 + 1. Integer decodes in information blocks (e.g. IDBInfoItem) widened from 32 bit to 64-bit integers.
219 +
220 + 2. Support for inline blob encoding. Blob values pass using the "SetAsString" method
221 +   will now be encoded inline (i.e. as part of the parameter buffer) if they are
222 +   shorter than a pre-set limit. Longer values continue to be saved as blobs as a
223 +   separate server interaction. This is intended as a performance optimisation.
224 +
225 +   The pre-set limit defaults to 8192 bytes and can be inspected/modified using the new
226 +   IAttachment interface functions:
227 +
228 +    function GetInlineBlobLimit: integer;
229 +    procedure SetInlineBlobLimit(limit: integer);
230 +
231 + 3. Support for Firebird 4 IBatch interface added. This is largely transparent to the API
232 +   user as the functionality is embedded in the implementation of the IStatement
233 +   interface. Three new functions are defined:
234 +
235 +    procedure AddToBatch;
236 +    function ExecuteBatch(aTransaction: ITransaction=nil): IBatchCompletion;
237 +    procedure CancelBatch;
238 +    function GetBatchCompletion: IBatchCompletion;
239 +    function GetBatchRowLimit: integer;
240 +    procedure SetBatchRowLimit(aLimit: integer);
241 +
242 +   Also
243 +
244 +    function IsInBatchMode: boolean;        {true after call to execute(eaDefer)}
245 +    function HasBatchMode: boolean;         {true if and only if IBatch Supported}
246 +
247 +   For more information see the User Guide.
248 +
249 + 4. Default error message contents. Now aligned with User Guide section 10.2 i.e. error messages
250 +   provided with the EIBInterBaseError now include all three parts.
251 +
252 + 5. Firebird.pas and include files updated to Firebird 4.0.0
253 +
254 + 6. New IStatement method: function GetSQLStatementTypeName: AnsiString;
255 +   Returns SQL Statement type as a text string;
256 +
257 + 7. ISQLData.AsInteger and AsInt64 now use "Round" to convert a float field to
258 +   an integer instead of "trunc". This is for compatibility with TFloatField.AsInteger.
259 +
260 + FBINTF Change Log  version          (1.2-1 Build 12552) Wed, 09 Jun 2021 13:05:40 +0100
261 +
262 + 1. Big fix for Firebird 4.0. A internal change in Firebird 4.0.0 from RC1 flushed out a
263 +   typo in FB30Statement.pas that caused an unknown parameter error.
264 +
265 + FBINTF Change Log  version          (1.2-0 Build 12520) Fri, 19 Feb 2021 13:27:23 +0000
266 +
267 + 1. Imported (Firebird) constants updated for Firebird 4.
268 +
269 + 2. Firebird.pas from Firebird 4 integrated into source code tree.
270 +
271 + 3. Added Support for TIMETAMP WITH TIME ZONE and TIME WITH TIME ZONE data types.
272 +
273 + 4. Added Support for SQL_DEC16, SQL_DEC34 and extended NUMERIC precision.
274 +
275 + 5. New unit 'FBClientLib.pas' added and provides new interface IFBIMasterProvider.
276 +   QueryInterface may be used to coerce this interface from IFirebirdAPI. The
277 +   interface provides a single method "function GetIMasterIntf: IMaster". This provides
278 +   type safe access to the Firebird IMaster interface and avoids the need to turn
279 +   off object checks when coercing "function GetIMaster: TObject" to IMaster.
280 +
281 + 6. New IFirebirdAPI Calls:
282 +    function HasLocalTZDB: boolean;
283 +    function HasTimeZoneSupport: boolean;
284 +    function HasExtendedTZSupport: boolean;
285 +    procedure SQLDecFloatEncode(aValue: tBCD; SQLType: cardinal; bufptr: PByte);
286 +    function SQLDecFloatDecode(SQLType: cardinal; scale: integer; bufptr: PByte): tBCD;
287 +
288 + 7. New IAttachment Calls:
289 +    function HasDecFloatSupport: boolean;
290 +    function GetTimeZoneServices: ITimeZoneServices;
291 +    function HasTimeZoneSupport: boolean;
292 +
293 + 8. New Interface ITimeZoneServices.
294 +
295 + 9. New ISQLData API Calls:
296 +    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
297 +    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
298 +    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
299 +    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
300 +    function GetAsUTCDateTime: TDateTime;
301 +    function GetAsBCD: tBCD;
302 +
303 + 10. New ISQLParam API Calls
304 +    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
305 +    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
306 +    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
307 +    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
308 +    function GetAsUTCDateTime: TDateTime;
309 +    function GetAsBCD: tBCD;
310 +    function GetStatement: IStatement;
311 +    function GetTransaction: ITransaction;
312 +    procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
313 +    procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
314 +    procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
315 +    procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
316 +    procedure SetAsUTCDateTime(aUTCTime: TDateTime);
317 +    procedure SetAsBcd(aValue: tBCD);
318 +
319 + 11. New IArray API Calls
320 +    procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
321 +    procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
322 +    procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
323 +    procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
324 +    function GetAsUTCDateTime(index: array of integer): TDateTime;
325 +    procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
326 +    procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZone: AnsiString); overload;
327 +    procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
328 +    procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
329 +
330 + 12. Utility functions in IBUtils
331 +    function ParseDateTimeTZString(aDateTimeStr: Ansistring; var aDateTime: TDateTime;
332 +              var aTimezone: AnsiString; aFormatSettings: TFormatSettings; TimeOnly: boolean=false): boolean;
333 +    procedure FBDecodeTime(aTime: TDateTime; var Hour, Minute, Second: word; var DeciMillisecond: cardinal);
334 +    function FBEncodeTime(Hour, Minute, Second, DeciMillisecond: cardinal): TDateTime;
335 +    function FBFormatDateTime(fmt: AnsiString; aDateTime: TDateTime): AnsiString;
336 +    function FormatTimeZoneOffset(EffectiveTimeOffsetMins: integer): AnsiString;
337 +    function DecodeTimeZoneOffset(TZOffset: AnsiString; var dstOffset: integer): boolean;
338 +
339 + 13. IDPB, ITPB and ISPB: new interface method
340 +      function AddByTypeName(ParamTypeName: AnsiString): IDPBItem/ITPBItem/ISPBItem;
341 +    This is used to add a parameter block item by the string equivalent of its
342 +    symbolic type name. e.g. DPB.AddByTypeName('isc_dpb_user_name').AsString := '...'
343 +
344 + 14. IDPBItem/ITPBItem/ISPBItem: new interface method:
345 +      function getParamTypeName: AnsiString;
346 +
347 + 15. fb_shutdown now called before unloading Firebird library. This can avoid a
348 +     SIGEVENT error when a programme using the embeded server is unloaded.
349 +
350 + FBINTF Change Log  version          (1.1-6 Build 12237) Tue, 21 Jul 2020 08:54:21 +0100
351 +
352 + 1. GetImplementationVersion now correctly returns '3.0' for Firebird 3 API
353 +   with a Firebrid 3 client library.
354 +
355 + 2. Linux Only: FIREBIRD environment variable is now checked when loading the client library.
356 +    If a client library path is not explicitly provided and the FIREBIRD environment
357 +    variable is set then the directory given by this variable and any 'lib' subdirectory
358 +    are searched for the Firebird client library. Only if none is found, is the default
359 +    client library used.
360 +
361 + 3.  IUtil.FormatStatus now used to format error messages when using new API
362 +
363 + 4.  Fixed Array SDL: array_desc_scale now correctly encoded as a signed integer.
364 +
365 + 5.  SQL_TEXT handling changed. When the value of an SQL_TEXT (i.e. fixed width string) column is
366 +    returned using GetAsString and the string codepage is UTF8, the string is truncated so
367 +    that the byte length corresponds to the number of characters specified for the column.
368 +    SQL_TEXT strings are no longer automatically trimmed to remove all trailing white space. This is
369 +    correct behaviour but may affect some implementations that relied upon automatic
370 +    trimming of trailing white space.
371 +
372 + 6.  New IFirebirdAPI Calls:
373 +      function GetClientMajor: integer;
374 +      function GetClientMinor: integer;
375 +
376 + 7.  IColumnMetaData and IArrayMetaData: new method
377 +      function GetCharSetWidth: integer;
378 +
379 + FBINTF Change Log  version          (1.1-5 Build 12022) Fri, 17 Apr 2020 10:35:55 +0100
380 +
381 + 1. ISQLParams.GetHasCaseSensitiveParams added. Returns true if param names are
382 +   case sensitive
383 +
384 + 2. Single line SQL comments starting with '--' are now recognised by SQL Parser.
385 +
386 + 3. New API Calls:
387 +        IColumnMetaData.GetStatement
388 +        IColumnMetaData.GetTransaction
389 +        ISQLData.GetStrDataLength
390 +        IResults.GetStatement
391 +        IAttachment.OpenBlob (using Blob metadata)
392 +        IAttachment.OpenArray (using array metadata)
393 +
394 + 4. FBMessages: removal of unused messages
395 +
396 + 5. TFBArray.Create (2nd case): ensure that FFirebirdClientAPI is correctly set.
397 +
398 + 6. TIBSQLStatementType: SQLSavePoint added to end of enumeration.
399 +
400   FBINTF Change Log  version          (1.1-4 Build 11515)  Fri, 28 Dec 2018 10:04:19 +0000
401  
402   1. Fix a problem with the SQL parameter parser that failed to recognise parameters

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