WL#629: MODE_CONVERSION_WARNINGS

Affects: Server-5.0   —   Status: Un-Assigned   —   Priority: Medium

Add a new SQL mode:  MODE_CONVERSION_WARNINGS

In this case one should get a warning for each number used as a string and 
each string used as a number.

For example:

SELECT "1"+1;

Should give the warning:

Aritmetic operation with string