SKIP_INVALID     1068 ext/sqlite/libsqlite/src/btree.c   pCur->eSkip = SKIP_INVALID;
SKIP_INVALID     1647 ext/sqlite/libsqlite/src/btree.c   assert( pCur->eSkip!=SKIP_INVALID );
SKIP_INVALID     1703 ext/sqlite/libsqlite/src/btree.c   assert( pCur->eSkip!=SKIP_INVALID );
SKIP_INVALID     2669 ext/sqlite/libsqlite/src/btree.c   pCur->eSkip = SKIP_INVALID;