No, I did not mean anything special.
This is an example. The query may not work there is no table so no type.
2014/1/6 Igor Tandetnik <i...@tandetnik.org>
> On 1/6/2014 3:33 PM, trash Spam wrote:
>
>> void myFunc( sqlite3_context* ctx, int nArgs, sqlite3_value** values )
>> {
>> //....
>> const char* expr = (const char*)sqlite3_value_text( values[ 0 ] ):
>> //....
>> }
>>
>> select
>> myFunc( col1 + col2 )
>> ;
>>
>> The expression "col1 + col2" is evaluated when i call sqlite3_value_text
>> or
>> before the call of myFunc ?
>>
>
> Before the call to myFunc. I'm pretty sure SQLite doesn't do lazy
> evaluation here.
>
> Also, you probably meant "col1 || col2": '+' does not perform string
> concatenation (unless you do intend to add two numbers, then have SQLite
> convert the result to text).
> --
> Igor Tandetnik
>
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