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readme.txt for MSR2C.DLL
List of bugs fixed and changes made by build (most recent build first)
Build 4211
Changes made:
Replaced usage of IRowsetAsynch with new IDBAsychStatus.
Added support for new IRowsetFind definition.
Build 4204
Bugs Fixed:
Fixed coding bug in checking state of dwPositionFlags.
Fixed bug 97
Build 4130
Changes made:
Added support for new row position spec.
Build 4122
Bugs Fixed:
Fixed bug 93
Fixed bug 3147
Build 4116
Bugs Fixed:
Fixed bug 88
Fixed bug 90
Fixed bug 94
Build 4106
Bugs Fixed:
Fixed bug 87
Changes made:
Started compiling code with VC++ 5.0.
Build 4024
Changes made:
Recompiled with new OLEDB header.
Build 4023
Bugs Fixed:
Fixed bug 82
Changes made:
Added support for new version of IRowPosition interfaces.
Build 4002
Bugs Fixed:
Fixed problem where the number of metadata columns was not being computed correctly.
Build 3826
Bugs Fixed:
Fixed bug 83
Build 3731
Bugs Fixed:
Fixed bug 79
Fixed bug 68
Fixed bug reported by the ADC Group, in which a cursor client cancelling an action in OKToDo phase was ignored by CVDNotifier. Changes made:
Added support for IRowPosition interfaces.
Now compile under VC++ 4.2b (fixed a few warnings that resulted)
Build 3716
Bugs Fixed: Fixed bug 78
Build 3526
Bugs Fixed: Fixed bug 66 Fixed bug 69 Fixed bug 70 Fixed bug 72 Fixed bug 74 Fixed bug 75 Fixed bug 76 Fixed bug 77
Changes made: A move notification is now generated when calling CVDCursor::Move, specifying the current actual bookmark (not constant) with an offset of zero. (fixed as a result of Advanced Data Connector bug 0779)
Fixed problem in metadata cursor, where CVDMetadataCursor::ReturnData_LPWSTR was incorrectly reporting the amount of out-of-line memory used. (found while adding support for multibyte character sets)
Build 3324:
Bugs Fixed: Fixed bug 62 Fixed bug 64 Fixed bug 66 Fixed bug 67
Changes made:
Build 3315:
Bugs Fixed: Fixed bug 63
Changes made:
Build 3326:
Bugs Fixed: Fixed bug 61
Fixed problem with retrieving variants for columns of type byte, date/time and memo.
Changes made: Added code which first attempts to get requested interface from the rowset when a call is made to IEntryID::GetInterface.
Also, added preprocessor instructions to optionally remove emulation of IStream if not supported by rowset when calling IEntryID::GetInterface. (just #define VD_DONT_IMPLEMENT_ISTREAM in stdafx.h)
Changed code to send the following notification when an undo occurs: dwEventWhat -> CURSOR_DBEVENT_CURRENT_ROW_CHANGED | CURSOR_DBEVENT_CURRENT_ROW_DATA_CHANGED | CURSOR_DBEVENT_NONCURRENT_ROW_DATA_CHANGED; dwReason -> CURSOR_DBREASON_REFRESH;
Added code to check for required rowset properties. (they are DBPROP_IRowsetLocate and DBPROP_CANHOLDROWS)
Moved firing of SyncAfter to DidEvent for reentrant safety.
Build 3313:
Bugs Fixed: Added code to initialize variants before they are fetched to resolve a problem where Kagera did not return anything if the data was NULL.
Fixed problem where DBGrid would fail to bind to certain datatypes.
Fixed problem where DBGrid would get out-of-synch, because of our mishandling of beginning/end bookmarks.
Changes made:
Build 3310:
Bugs Fixed: Removed datatype coercion validation function, which caused problems by saying certain valid coercions were not allowed.
Changes made: Changed updating functions so they do not call IRowsetUpdate::Update, rather they cache their changed in CVDCursorPosition, and call IRowsetChange::SetData when updated.
Reduced size of release build by only expanding inline functions and disabling exception handling.
Build 3304:
Bugs Fixed: Fixed string manipulation problems under Win95, where calls were made to unimplemented APIs (orginally discovered in phase I).
Fixed bug where calls to ICursorMove::Move placed current row to the row after the last row fetched, rather than the last row fetched.
Fixed bug where ICursorMove::Move generated notifications when caller fetched the current row only.
Fixed bug in columns cursor, where returned string values/pointers where garbage, when the underlying value null.
Removed hard-coded testing code, which always returned 174 from ICursorScroll:GetApproximateCount.
Fixed clean-up code in ICursorFind::FindByValues, which used fMemAllocated rather than fMemAllocated[ul].
Fixed bug in CVDCursorMain::Create, where the variable propsetid was initialized to have a guid {0, 0, 0, 0}, rather than being initialized to DBPROPSET_ROWSET.
Changes made: Changed column identifiers to always be type CURSOR_DBCOLKIND_GUID_NUMBER, where the guid == CURSOR_GUID_NUMBERONLY and lNumber == ulCursorOrdinal.
Added support for entryIDs.
Build 3227:
Bugs Fixed: Fixed bug that was disallowing coercion of bookmark columns to blobs for CURSOR_DBTYPE_UI4.
Fixed bug where CVDCursor::FetchAtBookmark was producing invalid bookmarks in the case where pBookmark was CURSOR_DBBMK_CURRENT and the status was VDBOOKMARKSTATUS_BEGINNING or VDBOOKMARKSTATUS_END.
Fixed bug where notifications were coming out of CVDCursor::Move even when the bookmark was CURSOR_DBBMK_CURRENT and dlOffset was zero.
Changes made: Completed ICursorUpdateARow methods for updating, adding and deleting
Build 3221:
Bugs Fixed:
Changes made: Converted code to M10 OLE DB spec, these are the changes made: 1. included M10 headers 2. changed IRowsetNotify methods' first parameter to IRowset* 3. changed DBCOLUMNINFO cbMaxLength to ulColumnSize 4. modified code to pass NULL in IAccessor::ReleaseAccessor's new pcRefCount 5. changed DBBINDING bPart to dwPart 6. changed DBBINDING bMemOwner to dwMemOwner 7. set IRowset::ReleaseRows' new rgRowOptions to NULL 8. converted to new DBSTATUS codes 9. changed IRowsetResynch::ResynchRows call to pass NULL in new parameters 10. linked with M10 libraries for new IIDs.
Build 3215:
Bugs Fixed:
Changes made: Modified CVDCursor::ReCreateAccessors and CVDCursor::FillConsumersBuffer to create an use an array of accessors for retrieving out-of-line data. Also, added a helper accessor which gets length and status information prior to retrieving true variable length data. Fixed length data which is retrieved in out-of-line memory, (i.e. an I2 represented as a string) uses a table approach to obtain length information, since the length information returned for these types using an accessor is number of bytes of the intrinsic type. This change enabled us to optimized our allocations of out-of-line memory.
Added code for getting extended metadata via the IColumnsRowset interface.
Started implementation of ICursorUpdateARow methods for updating, none of these functions are complete however.
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