[nem-bug] [Nemerle 0000992]: Nemerle.Data.ExecuteReaderLoop macro: nullable types from DB

feedback at nemerle.org feedback at nemerle.org
Mon Apr 23 22:45:10 CEST 2007


The following issue has been RESOLVED.
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<http://nemerle.org/bugs/view.php?id=992> 
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Reported By:                apanteleev
Assigned To:                nazgul
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Project:                    Nemerle
Issue ID:                   992
Category:                   The Macro Library
Reproducibility:            always
Severity:                   tweak
Priority:                   normal
Status:                     resolved
Resolution:                 fixed
Fixed in Version:           
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Date Submitted:             04-23-2007 15:22 CEST
Last Modified:              04-23-2007 22:45 CEST
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Summary:                    Nemerle.Data.ExecuteReaderLoop macro: nullable types
from DB
Description: 
1. Not all columns returned from database are nullable => no need to
generate nullable variables for those that are not. So I've added a
compile-time check for nullableness, patch included. Tested with MySQL.

2. Why is System.Nullable[T] used instead of option[T]? That would be more
convinient.
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----------------------------------------------------------------------
 nazgul - 04-23-07 22:45 
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Thanks for the patch.

Fixed on trunk (r7616).

As for Nullable - it is closer to the current .NET standard, also with a
bit better performance.

Issue History
Date Modified  Username       Field                    Change              
======================================================================
04-23-07 15:22 apanteleev     New Issue                                    
04-23-07 15:22 apanteleev     File Added: not_nullable.patch                    
04-23-07 22:45 nazgul         Status                   new => resolved     
04-23-07 22:45 nazgul         Resolution               open => fixed       
04-23-07 22:45 nazgul         Assigned To               => nazgul          
04-23-07 22:45 nazgul         Note Added: 0001849                          
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