to make cursor numbers right on nested subqueries. Also added OP_Gosub and
OP_Return but have not actually used them for anything yet. (CVS 727)
FossilOrigin-Name: c602603e7cd8dc5c8bb9db2748eacab650de5bf0
into account the iTable and iColumn fields of the Expr structure. Otherwise,
"min(a)" and "min(b)" will compare equal to each other in views. (CVS 658)
FossilOrigin-Name: 85793a4f03250166c21007cab3525709592d0866
doing the flattening optimization or evaluating subqueries. Otherwise, the
result set column names are generated incorrectly or after they are needed. (CVS 553)
FossilOrigin-Name: 08f27cb36805d38648274b6fe91dec43a5910057
entered. This works around the problem of what to do if a table is deleted
that a view refers to. (CVS 415)
FossilOrigin-Name: 6121e5ab9328c90c64d40ade3de73ad11d4aaf4e