def run(uri, auth=None, routing=False, secure=False):
""" Run one or more Cypher queries through the client console, or
open the console for interactive use if no queries are specified.
"""
profile = ConnectionProfile(uri, auth=auth, secure=secure)
g = Graph(profile, routing=routing)
result = [()]
def iterate_result():
for _ in result[0]:
pass
scale = 250000
print("Scale = {}".format(scale))
##########
# TEST 1 #
##########
def run_long_narrow(p):
p.result = p.graph.run("UNWIND range(1, $n) AS _ "
"RETURN 0",
pull=scale)
print("Iterating long narrow result... ", end="", flush=True)
print("{:.03f}s".format(
ResultIterationPerformer(profile, run_long_narrow).run()))
##########
# TEST 2 #
##########
def run_long_triple_string(p):
p.result = p.graph.run(
"UNWIND range(1, $n) AS _ RETURN 'aaaaaaaaa' AS a, "
"'bbbbbbbbb' AS b, 'ccccccccc' AS c",
pull=scale)
print("Iterating long triple string result... ", end="", flush=True)
print("{:.03f}s".format(
ResultIterationPerformer(profile, run_long_triple_string).run()))
##########
# TEST 3 #
##########
def run_long_multi_type(p):
p.result = p.graph.run(
"UNWIND range(1, $n) AS _ RETURN null, true, 0, 3.14, "
"'Abc', [1, 2, 3], {one: 1, two: 2, three: 3}",
pull=scale)
print("Iterating long multi-type result... ", end="", flush=True)
print("{:.03f}s".format(
ResultIterationPerformer(profile, run_long_multi_type).run()))
def __init__(self, profile=None, *_, **settings):
super(ClientConsole, self).__init__(__name__, verbosity=settings.get("verbosity", 0))
self.output_file = settings.pop("file", None)
welcome = settings.get("welcome", True)
if welcome:
self.write(TITLE)
self.write()
self.write(dedent(QUICK_HELP))
self.write()
self.profile = ConnectionProfile(profile, **settings)
try:
self.graph = Graph(self.profile)
except OSError as error:
self.critical("Could not connect to <%s> (%s)", self.profile.uri, " ".join(map(str, error.args)))
raise
else:
self.debug("Connected to <%s>", self.graph.service.uri)
try:
makedirs(HISTORY_FILE_DIR)
except OSError:
pass
self.history = FileHistory(path_join(HISTORY_FILE_DIR, HISTORY_FILE))
self.lexer = CypherLexer()
self.result_writer = Table.write
self.commands = {
"//": self.set_multi_line,
"/e": self.edit,
"/?": self.help,
"/h": self.help,
"/help": self.help,
"/x": self.exit,
"/exit": self.exit,
"/play": self.play,
"/csv": self.set_csv_result_writer,
"/table": self.set_tabular_result_writer,
"/tsv": self.set_tsv_result_writer,
"/config": self.config,
"/kernel": self.kernel,
}
self.tx = None
self.qid = 0
def connection_profile(uri):
return ConnectionProfile(uri)