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 DELPHI DEVELOPER SUPPORT

Delphi Developer Support
Delphi 6 Update Pack fixes

DATABASE SECTION


Areas of concentration under: database


Area: database\ado

Reference Number: 112938
Status: Fixed in Delphi 6 Update Pack
Date Reported: 5/25/01
Severity: Serious
Type: Basic Functionality Failure

Problem:

Any use of the new 
TCustomADODataSet.OnRecordsetCreate event 
causes an "Invalid variant type conversion" 
exception.

Area: database\ado

Reference Number: 114766
Status: Fixed in Delphi 6 Update Pack
Date Reported: 7/2/01
Severity: Serious
Type: Crash

Problem:

A problem occurs when opening a form in the IDE 
that has a TADOQuery.  If the query is active, and if 
the connection is no longer valid, the IDE closes 
without any warning.

The same occurs if a form with an active 
TADOQuery is created before the datamodule that 
contains the associated TADOConnection.

Area: database\ado

Reference Number: 115042
Status: Fixed in Delphi 6 Update Pack
Date Reported: 7/10/01
Severity: Commonly Encountered
Type: Minor Functionality Failure

Problem:

Opening a ADOquery in Delphi 6 is much slower 
then it was in Delphi 5 because of extra calls to the 
F.Properties for "every" field in the RecordSet 
regardless of the "already" determined FieldType.

Area: database\core vcl

Reference Number: 116254
Status: Fixed in Delphi 6 Update Pack
Date Reported: 8/10/01
Severity: Serious
Type: Basic Functionality Failure

Problem:

BcdCompare(0, 0) yields wrong result. Variant 
comparison of BCD zeroes fails.

Area: database\dbexpress

Reference Number: 114408
Status: Fixed in Delphi 6 Update Pack
Date Reported: 6/18/01
Severity: Serious
Type: Basic Functionality Failure

Problem:

BcdToStr doesn't work correctly when precision 
and
scale are the same. eg) 0.123 incorretly changes to 
123

Area: database\dbexpress

Reference Number: 115323
Status: Fixed in Delphi 6 Update Pack
Date Reported: 7/18/01
Severity: Serious
Type: Crash

Problem:

Call IsNull on a blob field causes AV


Area: database\dbexpress

Reference Number: 115399
Status: Fixed in Delphi 6 Update Pack
Date Reported: 7/19/01
Severity: Serious
Type: Basic Functionality Failure

Problem:

Trying to get blob at eof (as with an empty table) 
results in an EOF error.

Area: database\dbexpress\tsqldataset

Reference Number: 114136
Status: Fixed in Delphi 6 Update Pack
Date Reported: 6/11/01
Severity: Serious
Type: Basic Functionality Failure

Problem:

SQLDataSet.Refresh causes memory loss.
NOTE: These listings are for informational use only. It is not intended for use when calling Borland's Developer Support Department.
If you have any suggestions or complaints about these 'Delphi Enhancements and Fixes' pages, please contact the Delphi Administrator. This e-mail address is not intended for support issues.

 
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