preprocessor bug?

IMO this is a rather serious bug:

{
exec sql begin declare section;
	long i;
exec sql end declare section;
	...
	{
		exec sql begin declare section;
        		short i;
		exec sql end declare section;
		...
	}
	...
	some DB access into i;

The code produced by ecpg now lists i with size 2 bytes, i.e. it still
thinks i is a short.

I believe I have found a way to work around this and disregard variable
definitions as soon as they are no longer valid.

To my big surprise though I noticed that ORACLE's proc suffers from the same
bug. I hope it's okay with you that I don't care about compatibility and fix
this. :-)

Michael

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