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it works, thanks; <br />
and i can also with the same method (accessing the DAO objects hidden within the CDao objects) rename a field, modify attributes of a relation, ...
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it works, thanks;
and i can also with the same method (accessing the DAO objects hidden within the CDao objects) rename a field, modify attributes of a relation, ...

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It's neat, it took me a while to find this functionality some time ago. &nbsp;Not everything available in DAO is exposed by the CDao classes (unfortunately).
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It's neat, it took me a while to find this functionality some time ago.  Not everything available in DAO is exposed by the CDao classes (unfortunately).

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i have a table with a text field whose definition does not allow empty string; <br />
now i want to change this field definition to allow empty strings;<br />
<br />
the table already has records so i can't simply delete the delete the field with CDaoTableDef::DeleteField<br />
then recreate it &nbsp;(CDaoTableDef::CreateField<wbr />).<br />
<br />
I don't see how to do that neither by the Cdao classes nor by SQL<br />

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i have a table with a text field whose definition does not allow empty string; 
now i want to change this field definition to allow empty strings;

the table already has records so i can't simply delete the delete the field with CDaoTableDef::DeleteField
then recreate it  (CDaoTableDef::CreateField).

I don't see how to do that neither by the Cdao classes nor by SQL


with CDaoRecordSet is it possible to change a field definition ?

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