pOldMethod       31882 ext/sqlite3/libsqlite/sqlite3.c   sqlite3_io_methods const *pOldMethod;     /* Original I/O methods for close */
pOldMethod       32668 ext/sqlite3/libsqlite/sqlite3.c     pCtx->pOldMethod = pFile->pMethod;
pOldMethod       32874 ext/sqlite3/libsqlite/sqlite3.c     pFile->pMethod = pCtx->pOldMethod;