def scan(table):
from TeraSdk import ScanDescriptor
scan_desc = ScanDescriptor("")
scan_desc.SetBufferSize(1024 * 1024) # 1MB
try:
stream = table.Scan(scan_desc)
except TeraSdkException as e:
print(e.reason)
return
while not stream.Done():
row = stream.RowName()
column = stream.ColumnName()
timestamp = str(stream.Timestamp())
val = stream.Value()
print row + ":" + column + ":" + timestamp + ":" + val
stream.Next()
def scan_with_filter(table):
from TeraSdk import ScanDescriptor
scan_desc = ScanDescriptor("")
scan_desc.SetBufferSize(1024 * 1024) # 1MB
if not scan_desc.SetFilter("SELECT * WHERE int64 cf0 >= 0"):
print("invalid filter")
return
try:
stream = table.Scan(scan_desc)
except TeraSdkException as e:
print(e.reason)
return
while not stream.Done():
row = stream.RowName()
column = stream.ColumnName()
timestamp = str(stream.Timestamp())
val = stream.ValueInt64()
print row + ":" + column + ":" + timestamp + ":" + str(val)
stream.Next()
def scan_with_filter(table, filter_str):
from TeraSdk import ScanDescriptor
scan_desc = ScanDescriptor("")
scan_desc.SetBufferSize(1024 * 1024) # 1MB
if not scan_desc.SetFilter(filter_str):
print("invalid filter")
return list()
try:
stream = table.Scan(scan_desc)
except TeraSdkException as e:
print(e.reason)
return list()
res = list()
while not stream.Done():
row = stream.RowName()
col = stream.ColumnName()
val = stream.ValueInt64()
res.append(row + ":" + col + ":" + str(val))
stream.Next()
return res
