BTREE_SINGLE     54984 ext/sqlite3/libsqlite/sqlite3.c   assert( (flags & BTREE_UNORDERED)==0 || (flags & BTREE_SINGLE)!=0 );
BTREE_SINGLE     54987 ext/sqlite3/libsqlite/sqlite3.c   assert( (flags & BTREE_SINGLE)==0 || isTempDb );
BTREE_SINGLE     61010 ext/sqlite3/libsqlite/sqlite3.c   assert( (pBt->openFlags & BTREE_SINGLE)==0 || pgnoRoot==2 );
BTREE_SINGLE     74245 ext/sqlite3/libsqlite/sqlite3.c                         BTREE_OMIT_JOURNAL | BTREE_SINGLE | pOp->p5, vfsFlags);