def duplicate_c0_lc(kvdb: hse.Kvdb, kvs: hse.Kvs, cursor_sync: bool = False):
with kvdb.transaction() as t:
kvs.put(b"ab01", b"val-cn", txn=t)
with kvdb.transaction() as t:
kvs.put(b"ab02", b"val-lc", txn=t)
kvdb.sync()
with kvdb.transaction() as t:
kvs.put(b"ab02", b"val-c0", txn=t)
with kvdb.transaction() as t:
with kvs.cursor(filt=b"ab", txn=t) as c:
if cursor_sync:
kvdb.sync()
# Point Get
assert kvs.get(b"ab01", txn=t) == b"val-cn"
assert kvs.get(b"ab02", txn=t) == b"val-c0"
# Probe
cnt, *kv = kvs.prefix_probe(b"ab0", txn=t)
assert cnt == hse.KvsPfxProbeCnt.MUL
assert kv == [b"ab02", b"val-c0"]
# Read all keys
assert c.read() == (b"ab01", b"val-cn")
assert c.read() == (b"ab02", b"val-c0")
assert c.read() == (None, None) and c.eof == True
# Seek, read
c.seek(b"ab00")
assert c.read() == (b"ab01", b"val-cn")
c.seek(b"ab01")
assert c.read() == (b"ab01", b"val-cn")
c.seek(b"ab02")
assert c.read() == (b"ab02", b"val-c0")
c.seek(b"ab03")
assert c.read() == (None, None) and c.eof == True
# Read, update, read
c.seek(b"ab01")
##c.update()
assert c.read() == (b"ab01", b"val-cn")
##c.update()
assert c.read() == (b"ab02", b"val-c0")
##c.update()
assert c.read() == (None, None) and c.eof == True
# Seek, update, read
c.seek(b"ab01")
##c.update()
assert c.read() == (b"ab01", b"val-cn")
c.seek(b"ab02")
##c.update()
assert c.read() == (b"ab02", b"val-c0")
c.seek(b"ab03")
##c.update()
assert c.read() == (None, None) and c.eof == True
def separate_keys(kvdb: hse.Kvdb, kvs: hse.Kvs):
with kvdb.transaction() as t:
kvs.put(b"ab01", b"val-cn", txn=t)
with kvdb.transaction() as t:
kvs.put(b"ab02", b"val-lc", txn=t)
kvdb.sync()
with kvdb.transaction() as t:
kvs.put(b"ab03", b"val-c0", txn=t)
with kvdb.transaction() as t:
# Point Get
assert kvs.get(b"ab01", txn=t) == b"val-cn"
assert kvs.get(b"ab02", txn=t) == b"val-lc"
assert kvs.get(b"ab03", txn=t) == b"val-c0"
# Probe
cnt, *kv = kvs.prefix_probe(b"ab0", txn=t)
assert cnt == hse.KvsPfxProbeCnt.MUL
assert kv == [b"ab03", b"val-c0"]
# Cursor
with kvs.cursor(filt=b"ab", txn=t) as c:
# Read all keys
assert c.read() == (b"ab01", b"val-cn")
assert c.read() == (b"ab02", b"val-lc")
assert c.read() == (b"ab03", b"val-c0")
assert c.read() == (None, None) and c.eof == True
# Seek, read
c.seek(b"ab01")
assert c.read() == (b"ab01", b"val-cn")
c.seek(b"ab02")
assert c.read() == (b"ab02", b"val-lc")
c.seek(b"ab03")
assert c.read() == (b"ab03", b"val-c0")
# Read, update, read
c.seek(b"ab01")
##c.update()
assert c.read() == (b"ab01", b"val-cn")
##c.update()
assert c.read() == (b"ab02", b"val-lc")
##c.update()
assert c.read() == (b"ab03", b"val-c0")
##c.update()
assert c.read() == (None, None) and c.eof == True
# Seek, update, read
c.seek(b"ab01")
##c.update()
assert c.read() == (b"ab01", b"val-cn")
c.seek(b"ab02")
##c.update()
assert c.read() == (b"ab02", b"val-lc")
c.seek(b"ab03")
##c.update()
assert c.read() == (b"ab03", b"val-c0")
def tombs_c0_lc(kvdb: hse.Kvdb, kvs: hse.Kvs, cursor_sync: bool = False):
with kvdb.transaction() as t:
kvs.put(b"ab01", b"val-cn", txn=t)
with kvdb.transaction() as t:
kvs.put(b"ab02", b"val-lc", txn=t)
kvdb.sync()
with kvdb.transaction() as t:
kvs.delete(b"ab02", txn=t)
# Cursor
with kvs.cursor(filt=b"ab") as c:
if cursor_sync:
kvdb.sync()
# Point Get
assert kvs.get(b"ab01")[0] == b"val-cn"
assert kvs.get(b"ab02")[0] == None
# Probe
cnt, k, _, v, _ = kvs.prefix_probe(b"ab0")
assert cnt == hse.KvsPfxProbeCnt.ONE
assert (k, v) == (b"ab01", b"val-cn")
# Read all keys
assert c.read() == (b"ab01", b"val-cn")
assert c.read() == (None, None) and c.eof == True
# Seek, read
c.seek(b"ab00")
assert c.read() == (b"ab01", b"val-cn")
c.seek(b"ab01")
assert c.read() == (b"ab01", b"val-cn")
c.seek(b"ab02")
assert c.read() == (None, None) and c.eof == True
# Read, update, read
c.seek(b"ab01")
c.update_view()
assert c.read() == (b"ab01", b"val-cn")
c.update_view()
assert c.read() == (None, None) and c.eof == True
# Seek, update, read
c.seek(b"ab01")
c.update_view()
assert c.read() == (b"ab01", b"val-cn")
c.seek(b"ab02")
c.update_view()
assert c.read() == (None, None) and c.eof == True
def ptombs_c0_lc(kvdb: hse.Kvdb, kvs: hse.Kvs, cursor_sync: bool = False):
with kvdb.transaction() as t:
kvs.put(b"ab01", b"val-cn", txn=t)
with kvdb.transaction() as t:
kvs.put(b"ab02", b"val-lc", txn=t)
kvdb.sync()
with kvdb.transaction() as t:
kvs.prefix_delete(b"ab", txn=t)
# Cursor
with kvdb.transaction() as t:
with kvs.cursor(filt=b"ab", txn=t) as c:
if cursor_sync:
kvdb.sync()
# Point Get
assert kvs.get(b"ab01", txn=t) == None
assert kvs.get(b"ab02", txn=t) == None
# Probe
cnt, *_ = kvs.prefix_probe(b"ab0", txn=t)
assert cnt == hse.KvsPfxProbeCnt.ZERO
# Read all keys
assert c.read() == (None, None) and c.eof == True
# Seek, read
c.seek(b"ab00")
assert c.read() == (None, None) and c.eof == True
c.seek(b"ab01")
assert c.read() == (None, None) and c.eof == True
c.seek(b"ab02")
assert c.read() == (None, None) and c.eof == True
c.seek(b"ab03")
assert c.read() == (None, None) and c.eof == True
# Read, update, read
c.seek(b"ab01")
##c.update()
assert c.read() == (None, None) and c.eof == True
# Seek, update, read
c.seek(b"ab01")
##c.update()
assert c.read() == (None, None) and c.eof == True
c.seek(b"ab02")
##c.update()
assert c.read() == (None, None) and c.eof == True
def run_test_4(kvdb: hse.Kvdb, kvs: hse.Kvs):
with kvdb.transaction() as t:
kvs.put(b"jkl01", b"val1", txn=t)
kvs.put(b"jkl02", b"val1", txn=t)
kvs.put(b"jkl03", b"val1", txn=t)
with kvdb.transaction() as t:
kvs.prefix_delete(b"jkl", txn=t)
kvs.put(b"jkl03", b"val2", txn=t)
kvdb.sync()
assert kvs.get(b"jkl01", txn=t) is None
assert kvs.get(b"jkl03", txn=t) == b"val2"
cnt, *kv = kvs.prefix_probe(b"jkl", txn=t)
assert cnt == hse.KvsPfxProbeCnt.ONE
assert kv == [b"jkl03", b"val2"]
pass
def run_test_3(kvdb: hse.Kvdb, kvs: hse.Kvs):
with kvdb.transaction() as t:
kvs.put(b"jkl01", b"val1", txn=t)
kvs.put(b"jkl02", b"val1", txn=t)
kvs.put(b"jkl03", b"val1", txn=t)
with kvdb.transaction() as t:
kvs.prefix_delete(b"jkl", txn=t)
kvs.put(b"jkl03", b"val2", txn=t)
kvdb.sync()
assert kvs.get(b"jkl01", txn=t)[0] is None
assert kvs.get(b"jkl03", txn=t)[0] == b"val2"
cnt, k, _, v, _ = kvs.prefix_probe(b"jkl", txn=t)
assert cnt == hse.KvsPfxProbeCnt.ONE
assert (k, v) == (b"jkl03", b"val2")
pass
def duplicate_lc_cn(kvdb: hse.Kvdb, kvs: hse.Kvs, cursor_sync: bool = False):
with kvdb.transaction() as t:
kvs.put(b"ab01", b"val-cn", txn=t)
with kvdb.transaction() as t:
kvs.put(b"ab01", b"val-lc", txn=t)
kvdb.sync()
with kvdb.transaction() as t:
kvs.put(b"ab02", b"val-c0", txn=t)
# Cursor
with kvs.cursor(filt=b"ab") as c:
probe_kv = (b"ab02", b"val-c0")
if cursor_sync:
probe_kv = (b"ab01", b"val-lc")
kvdb.sync()
# Point Get
assert kvs.get(b"ab01")[0] == b"val-lc"
assert kvs.get(b"ab02")[0] == b"val-c0"
# Probe
cnt, k, _, v, _ = kvs.prefix_probe(b"ab0")
assert cnt == hse.KvsPfxProbeCnt.MUL
assert (k, v) == probe_kv
# Read all keys
assert c.read() == (b"ab01", b"val-lc")
assert c.read() == (b"ab02", b"val-c0")
assert c.read() == (None, None) and c.eof == True
# Seek, read
c.seek(b"ab00")
assert c.read() == (b"ab01", b"val-lc")
c.seek(b"ab01")
assert c.read() == (b"ab01", b"val-lc")
c.seek(b"ab02")
assert c.read() == (b"ab02", b"val-c0")
c.seek(b"ab03")
assert c.read() == (None, None) and c.eof == True
# Read, update, read
c.seek(b"ab01")
c.update_view()
assert c.read() == (b"ab01", b"val-lc")
c.update_view()
assert c.read() == (b"ab02", b"val-c0")
c.update_view()
assert c.read() == (None, None) and c.eof == True
# Seek, update_view, read
c.seek(b"ab01")
c.update_view()
assert c.read() == (b"ab01", b"val-lc")
c.seek(b"ab02")
c.update_view()
assert c.read() == (b"ab02", b"val-c0")
c.seek(b"ab03")
c.update_view()
assert c.read() == (None, None) and c.eof == True