Commit f11a0afa authored by Dmitry Vasiliev's avatar Dmitry Vasiliev

Optimizations

parent 7833a9e1
......@@ -1801,9 +1801,12 @@ class FileIterator(Iterator, FileStorageFormatter):
def _skip_to_start(self, start):
# Scan through the transaction records doing almost no sanity
# checks.
file = self._file
read = file.read
seek = file.seek
while 1:
self._file.seek(self._pos)
h = self._file.read(16)
seek(self._pos)
h = read(16)
if len(h) < 16:
return
tid, stl = unpack(">8s8s", h)
......@@ -1816,13 +1819,12 @@ class FileIterator(Iterator, FileStorageFormatter):
self._pos = long(self._pos) + tl + 8
if __debug__:
# Sanity check
self._file.seek(self._pos - 8, 0)
rtl = self._file.read(8)
seek(self._pos - 8, 0)
rtl = read(8)
if rtl != stl:
pos = self._file.tell() - 8
pos = file.tell() - 8
panic("%s has inconsistent transaction length at %s "
"(%s != %s)",
self._file.name, pos, u64(rtl), u64(stl))
"(%s != %s)", file.name, pos, u64(rtl), u64(stl))
def next(self, index=0):
if self._file is None:
......
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