def getResults(query):
"""Generator that will fetch all the data from the server in a
series of small transactions"""
conn = client.connect("localhost", "juncture")
qs = conn.lookup("QueryHome")
# TODO: The first time this method is called, add the column headers
offset = 0
limit = 1024
headers = []
buffer = []
while 1:
if len(buffer) == 0:
# We're out of results try to get some more
batch = "%s LIMIT %s OFFSET %s" % (query, limit, offset )
conn.begin()
try:
recordSet = qs.query(batch)
try:
results = recordSet.fetchMany("query", limit)
except epo.StopIteration:
# We've exhausted the query
results = None
conn.commit()
except:
conn.rollback()
raise
if results is None:
# We didn't get any results, so this ends the generator
break
else:
if headers == []:
tc=results.typecode().content_type()
for x in range(tc.member_count()):
headers.append(tc.member_name(x))
buffer.append(headers)
results = results.value()
# Up the offset, so the next time we call query we get new leads
offset += len(results)
buffer.extend([flatten(r, headers) for r in results])
else:
yield buffer.pop(0)
def query(query):
conn = client.connect("localhost", "juncture")
qs = conn.lookup("QueryHome")
data = []
conn.begin()
try:
recordSet = qs.query(query)
while 1:
try:
results = recordSet.fetchMany("query", 1024)
data.extend(results.value())
except epo.StopIteration:
break
conn.commit()
except epo.QueryError, e:
print "Error executing query:"
print "-" * 20
print e.details
print "-" * 20
return data
if __name__ == "__main__":
import sys
if len(sys.argv) == 1:
print 'Enter Query and press enter'
while 1:
queryStr = raw_input("=> ")
if queryStr:
query(queryStr)
else:
query= " ".join(sys.argv[1:])
conn = client.connect("192.168.1.15", "juncture")
qs = conn.lookup("QueryHome")
data=bulkDL(query, conn,qs)
#sys.exit()
# Execute the command line query
## data=[]
## for result in getResults(query):
## #print ",".join(result)
## #print result
## data.append(result[0])
print len(data)
return data
if __name__ == "__main__":
import sys
if len(sys.argv) == 1:
print 'Enter Query and press enter'
while 1:
queryStr = raw_input("=> ")
if queryStr:
query(queryStr)
else:
query= " ".join(sys.argv[1:])
conn = client.connect("localhost", "juncture")
qs = conn.lookup("QueryHome")
data=bulkDL(query, conn,qs)
#sys.exit()
# Execute the command line query
## data=[]
## for result in getResults(query):
## #print ",".join(result)
## #print result
## data.append(result[0])
print len(data)
