isChanged        51873 ext/sqlite3/libsqlite/sqlite3.c   int isChanged = 0;              /* True if a new wal-index header is loaded */
isChanged        51925 ext/sqlite3/libsqlite/sqlite3.c     rc = walIndexReadHdr(pWal, &isChanged);
isChanged        51926 ext/sqlite3/libsqlite/sqlite3.c     if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){
isChanged        51946 ext/sqlite3/libsqlite/sqlite3.c   if( isChanged ){