INSERT INTO ..... RETURNING COL Issues

[mreis1]

1. If an error occurs executing this type of query, subsequent queries can lead to Invalid handle being returned by the server
2. The auto upgrade transaction implementation (which retries the query in an upgraded WRITE transaction) could lead to process termination abruptly due to unhandled exception (for this i updated the describe function.

function describe(ret, statement) { 
Line 4197: 
while (br.pos < br.buffer?.length) {

and executeStatement 
Line :4560
if (input?.length)