SQLITE_Initialized
db->flags &= ~SQLITE_Initialized;
db->flags &= ~SQLITE_Initialized;
if((db->flags & SQLITE_Initialized)==0 && db->init.busy==0 ){
assert( (db->flags & SQLITE_Initialized)==0 );
db->flags |= SQLITE_Initialized;
db->flags &= ~SQLITE_Initialized;
if( (db->flags & SQLITE_Initialized)==0 ){
assert( (db->flags & SQLITE_Initialized)!=0 || db->init.busy );