in heap memory when VACUUMing a database, even if it should use a temp file.
This could cause SQLITE_NOMEM errors when vacuuming very large databases on
32-bit systems.
FossilOrigin-Name: 3028845329c9b7acdec2ec8b01d00d782347454c
name as an argument to the VACUUM command. Since version 2.0, VACUUM has
accepted an argument which was silently ignored. Now it has meaning.
FossilOrigin-Name: 29d63059b4d2bb612523ac55ebfef040d054a64f