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Report From: Delphi-BCB/Database/Core VCL [ Add a report in this area ]

Report #: 29889

Status: Closed

ftFixedWideChar type checking is missing in many places

Project: Delphi

Build #: 10.0.2288.4245

Version: 10.0

Submitted By: Eivind Bakkestuen

Report Type: Crash / Data loss / Total failure

Date Reported: 6/7/2006 6:25:18 AM

Severity: Serious / Highly visible problem

Last Updated: 3/20/2012 2:24:39 AM

Platform: All versions

Internal Tracking #: 240374

Resolution: Fixed (Resolution Comments)

Resolved in Build: :

Duplicate of: None

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Description

In db.pas, ftFixedWideChar has been added to the TFieldType array. However, searching through db.pas shows that it is missing from all places where there are CASE fieldtype OF ... constructs. This affects methods like TParam.GetDataSize, TParam.GetData... etc etc.

no test program should be necessary; it is obvious from db.pas that the new fieldtype is not fully implemented yet.

Steps to Reproduce:

If, like NexusDB, you implement your TDataset descendant with support for this new fieldtype, you will get a nasty surprise when trying to use it with parameters etc.

Workarounds

None

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