def __get():
for key, value in self.tuples.iterator(start=pack(uid)):
other, key = unpack(key)
if other == uid:
value = unpack(value)[0]
yield key, value
else:
break
def ref(self, uid, key):
match = [uid, key]
for key, value in self.tuples.iterator(start=pack(uid, key)):
other = unpack(key)
if other == match:
value = unpack(value)[0]
return value
else:
return None
def delete(self, uid):
tuples = self.tuples.write_batch(transaction=True)
index = self.index.write_batch(transaction=True)
for key, value in self.tuples.iterator(start=pack(uid)):
other, name = unpack(key)
if uid == other:
tuples.delete(key)
value = unpack(value)[0]
index.delete(pack(name, value, uid))
else:
break
tuples.write()
index.write()
def ref(self, uid, key):
with self.tuples() as cursor:
cursor.set_key(uid, key)
if cursor.search() != WT_NOT_FOUND:
value = cursor.get_value()
value = unpack(value)[0]
return value
def query(self, key, value=''):
with self.index() as cursor:
match = (key, value) if value else (key,)
cursor.set_key(key, pack(value), 0)
code = cursor.search_near()
if code == WT_NOT_FOUND:
return
if code == -1:
if cursor.next() == WT_NOT_FOUND:
return
while True:
key, value, uid = cursor.get_key()
value = unpack(value)[0]
other = (key, value)
ok = reduce(
lambda previous, x: (cmp(*x) == 0) and previous,
zip(match, other),
True
)
if ok:
yield [key, value, uid]
if cursor.next() == WT_NOT_FOUND:
break
else:
break
def get_keys(self): '''get_keys(self) -> (object, ...) @copydoc WT_CURSOR::get_key''' if self.is_column: return [self._get_recno(),] else: return unpack(self.key_format, self._get_key())
def get_keys(self): '''get_keys(self) -> (object, ...) @copydoc WT_ASYNC_OP::get_key''' if self.is_column: return [self._get_recno(),] else: return unpack(self.key_format, self._get_key())
def get_values(self): '''get_values(self) -> (object, ...) @copydoc WT_CURSOR::get_value''' if self.is_json: return [self._get_json_value()] else: return unpack(self.value_format, self._get_value())
def get_values(self):
'''get_values(self) -> (object, ...)
@copydoc WT_CURSOR::get_value'''
if self.is_json:
return [self._get_json_value()]
else:
return unpack(self.value_format, self._get_value())
def get_keys(self): '''get_keys(self) -> (object, ...) @copydoc WT_CURSOR::get_key''' if self.is_json: return [self._get_json_key()] elif self.is_column: return [self._get_recno(),] else: return unpack(self.key_format, self._get_key())
def check_common(fmt, verbose, *v):
v = list(v)
packed = pack(fmt, *v)
unpacked = unpack(fmt, packed)
if unpacked == v:
result = 'ok'
else:
result = '** FAIL!'
print '* %s as %s: %s' % (repr(v), fmt, result)
if verbose or unpacked != v:
print '** packed: ', ''.join('%02x' % ord(c) for c in packed)
print '** unpacked: ', unpacked
def check_common(fmt, verbose, *v):
v = list(v)
packed = pack(fmt, *v)
unpacked = unpack(fmt, packed)
if unpacked == v:
result = 'ok'
else:
result = '** FAIL!'
print '* %s as %s: %s' % (repr(v), fmt, result)
if verbose or unpacked != v:
print '** packed: ', ''.join('%02x' % ord(c) for c in packed)
print '** unpacked: ', unpacked
def query(self, key, value=''):
match = (key, value) if value else (key,)
iterator = self.index.iterator(start=pack(key, value))
for key, value in iterator:
other = unpack(key)
ok = reduce(
lambda previous, x: (cmp(*x) == 0) and previous,
zip(match, other),
True
)
if ok:
yield other
else:
break
def decode_arg(arg, allocsize):
addr = arg.decode("hex")
version = ord(addr[0])
print arg + ': '
if version != 1:
print '**** ERROR: unknown version ' + str(version)
addr = addr[1:]
result = unpack('iiiiiiiiiiiiii', addr)
if len(result) != 14:
print '**** ERROR: result len unexpected: ' + str(len(result))
show_triple(result[0:3], 'root', allocsize)
show_triple(result[3:6], 'alloc', allocsize)
show_triple(result[6:9], 'avail', allocsize)
show_triple(result[9:12], 'discard', allocsize)
file_size = result[12]
ckpt_size = result[13]
show_one('file size', file_size)
show_one('checkpoint size', ckpt_size)
def decode_arg(arg, allocsize):
addr = arg.decode("hex")
version = ord(addr[0])
print arg + ': '
if version != 1:
print '**** ERROR: unknown version ' + str(version)
addr = addr[1:]
result = unpack('iiiiiiiiiiiiii',addr)
if len(result) != 14:
print '**** ERROR: result len unexpected: ' + str(len(result))
show_triple(result[0:3], 'root', allocsize)
show_triple(result[3:6], 'alloc', allocsize)
show_triple(result[6:9], 'avail', allocsize)
show_triple(result[9:12], 'discard', allocsize)
file_size = result[12]
ckpt_size = result[13]
show_one('file size', file_size)
show_one('checkpoint size', ckpt_size)
def __get():
with self.tuples() as cursor:
cursor.set_key(uid, '')
code = cursor.search_near()
if code == WT_NOT_FOUND:
return
if code == -1:
if cursor.next() == WT_NOT_FOUND:
return
while True:
other, key = cursor.get_key()
value = cursor.get_value()
if other == uid:
value = unpack(value)[0]
yield key, value
if cursor.next() == WT_NOT_FOUND:
break
else:
break
def get_values(self): '''get_values(self) -> (object, ...) @copydoc WT_ASYNC_OP::get_value''' return unpack(self.value_format, self._get_value())
def get_values(self): '''get_values(self) -> (object, ...) @copydoc WT_CURSOR::get_value''' return unpack(self.value_format, self._get_value())
def debug(self):
for key, value in self.tuples.iterator():
uid, key = unpack(key)
value = unpack(value)[0]
print(uid, key, value)
