master
結愛すみか 1 month ago
parent 2d5db639fb
commit b343bb2468

1
.gitignore vendored

@ -1 +1,2 @@
playground.*
__pycache__

@ -1,26 +1,23 @@
# You can change these variables to use a different base image, but
# you must ensure that your base image inherits from one of ours.
# You can also override these at build time with --build-arg flags
ARG BASE_REPO=gradescope/autograder-base
ARG TAG=latest
FROM ${BASE_REPO}:${TAG}
ADD source /autograder/source
RUN python3 -m pip install pymongo
RUN cp /autograder/source/run_autograder /autograder/run_autograder
RUN curl -fsSL https://pgp.mongodb.com/server-7.0.asc | gpg -o /usr/share/keyrings/mongodb-server-7.0.gpg --dearmor
RUN export OS_VER=`cat /etc/os-release | grep VERSION_CODENAME` && \
export OS_VER=${OS_VER#*=} && \
printf "deb [ arch=amd64,arm64 signed-by=/usr/share/keyrings/mongodb-server-7.0.gpg ] https://repo.mongodb.org/apt/ubuntu "${OS_VER}"/mongodb-org/7.0 multiverse\n">/etc/apt/sources.list.d/mongodb.list
# Ensure that scripts are Unix-friendly and executable
RUN dos2unix /autograder/run_autograder /autograder/source/setup.sh
RUN chmod +x /autograder/run_autograder
RUN apt-get update
RUN mkdir -p /data/db
RUN apt install -y mongodb-org
RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
# Do whatever setup was needed in setup.sh, including installing apt packages
# Cleans up the apt cache afterwards in the same step to keep the image small
RUN apt-get update && \
bash /autograder/source/setup.sh && \
apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
ADD source /autograder/source
# You can also use RUN commands in the Dockerfile to install things
# instead of using a bash script
RUN cp /autograder/source/run_autograder /autograder/run_autograder
# The base image defines the CMD and ENTRYPOINT, so don't redefine those
RUN dos2unix /autograder/run_autograder
RUN chmod +x /autograder/run_autograder

@ -1,159 +1,184 @@
import pymongo, json
print('ver: 1.5')
# dbprep
fsroot = '/autograder/source/'
datasets = ['congress', 'bills']
db = pymongo.MongoClient('mongodb://127.0.0.1')['test']
def postproc_str(data : str): # relaxed str matching
import re
data = re.sub(r'[\s|_|.]', '', data.lower())
return re.sub(r'sponser', 'sponsor', data)
def comparator(a, b):
cmp = lambda x, y: 1 if x < y else -1 if x > y else 0
try:
return cmp(a, b)
except Exception:
from collections.abc import Iterable
def itcmp(a: Iterable, b: Iterable):
if len(a) < len(b):
return -1
elif len(a) == len(b):
for aa, bb in zip(a, b):
c = comparator(aa, bb)
if c != 0:
return c
else: return 1
return 0
from bson import ObjectId
match (a, b):
case (dict(), dict()):
return itcmp([*a.keys(), *a.values()], [*b.keys(), *b.values()])
case (ObjectId(aa), ObjectId(bb)):
return cmp(aa, bb)
case (Iterable(), Iterable()):
return itcmp(a, b)
case _ if type(a) == type(b):
return cmp(f'{a}', f'{b}')
case _:
return cmp(hash(type(a)), hash(type(b)))
def postproc_iter(data):
from collections.abc import Iterable
from functools import cmp_to_key
try:
match data:
case str():
return postproc_str(data)
case dict():
return { postproc_iter(k):postproc_iter(v) for k, v in data.items() }
case Iterable(): # flatten, remove order and empty iterables
res = type(data)(
sorted(
[postproc_iter(d) for d in data
if not isinstance(d, Iterable) or d]
, key = cmp_to_key(comparator))
)
return res[0] if len(res) == 1 else res
case _: # primitives
return data
except Exception as e: # fail proof
print(e)
return data
def evaluate(query : str):
import re
query = re.sub(r'//[^\n]*', '', query)
query = re.sub(r'(\$?[\d\w_]+)[\s\r\n]*:', r'"\1" :', query)
query = re.sub(r'[\r\n]|.\s*pretty\s*\(\s*\)|.\s*sort\s*\([^\)]*\)', '', query).strip()
query = re.sub(r'.\s*aggregate\s*\(\s*([^\[^\s][^\)]*)\)', r'.aggregate([\1])', query)
if query.endswith(';'): query = query[:-1]
true = True
return postproc_iter(list(eval(query))) if query else None
for d in datasets:
with open(fsroot + d + '.json', encoding = 'utf-8') as f:
db[d].insert_many(json.load(f))
from solution import sols
answers = [evaluate(s) for s in sols]
# grading
from os import listdir
from importlib.util import module_from_spec, spec_from_file_location
subroot = '/autograder/submission/'
feedback = ''
submissions = [subroot + f for f in listdir(subroot) if f.strip().lower().endswith('.py')]
grade = 0
n_queries = len(sols)
def grade78(ans, i):
sol = answers[i]
others = ('otherbill', 'otherperson')[i - 6]
if type(ans) != list or len(ans) != len(sol):
return False
for a in ans:
if a not in sol:
if type(a) is dict:
try:
for ak in a.keys():
if ak.startswith(others):
key_others = ak[len(others):]
t = a[key_others]
a[key_others] = a[ak]
a[ak] = t
if a not in sol:
return False
else:
sol.remove(a)
except Exception as e:
print(e)
return False
else:
return False
return True
if submissions:
submission = submissions[0]
for i in range(n_queries):
feedback += f'Query {i + 1}: '
try:
spec = spec_from_file_location('curr', submission)
module = module_from_spec(spec)
spec.loader.exec_module(module)
q = getattr(module, f'query{i + 1}')()
ans = evaluate(q)
def eq(i):
if i in (6, 7):
return grade78(ans, i)
else:
return ans == answers[i]
if eq(i):
grade += 1
feedback += 'Correct.\n'
else:
feedback += 'Wrong Answer.\n'
print('ans: ', ans, '\nsol: ', answers[i])
except Exception as e:
feedback += 'Runtime Error.\n'
print (e)
else:
feedback += 'No python file in submission.\n'
# output
results = {
'output': feedback,
'score': grade * 100 / n_queries,
'max_score': 100,
}
with open('/autograder/results/results.json', 'w') as res:
json.dump(results, res)
import pymongo, json, re
from bson import json_util
print('ver: 1.5')
# dbprep
fsroot = '/autograder/source/'
datasets = ['movies', 'comments']
db = pymongo.MongoClient('mongodb://127.0.0.1')['test']
points = (4,4,5,5,8,8,8,8)
def postproc_str(data : str): # relaxed str matching
return re.sub(r'[\s|_|.]', '', data.lower())
def postproc_keys(data : str):
if type(data) is not str:
return postproc_iter(data)
_dict = {}
data = postproc_str(data)
for k, v in _dict.items():
data = re.sub(k, v, data)
return data
def comparator(a, b):
cmp = lambda x, y: 1 if x < y else -1 if x > y else 0
try:
return cmp(a, b)
except Exception:
from collections.abc import Iterable
def itcmp(a: Iterable, b: Iterable):
if len(a) < len(b):
return -1
elif len(a) == len(b):
for aa, bb in zip(a, b):
c = comparator(aa, bb)
if c != 0:
return c
else: return 1
return 0
from bson import ObjectId
match (a, b):
case (dict(), dict()):
return itcmp([*a.keys(), *a.values()], [*b.keys(), *b.values()])
case (ObjectId(aa), ObjectId(bb)):
return cmp(aa, bb)
case (Iterable(), Iterable()):
return itcmp(a, b)
case _ if type(a) == type(b):
return cmp(f'{a}', f'{b}')
case _:
return cmp(hash(type(a)), hash(type(b)))
def postproc_iter(data, naive = False):
from collections.abc import Iterable
from functools import cmp_to_key
try:
match data:
case str():
return postproc_str(data)
case dict():
return {
(i if naive else postproc_keys(k)) : postproc_iter(v, naive)
for i, (k, v) in enumerate(data.items())
}
case Iterable(): # flatten, remove order and empty iterables
res = type(data)(
sorted(
[postproc_iter(d, naive) for d in data
if not isinstance(d, Iterable) or d]
, key = cmp_to_key(comparator))
)
return res[0] if len(res) == 1 else res
case _: # primitives
return data
except Exception as e: # fail proof
print(e)
return data
def evaluate(query : str):
if type(query) is not str:
return tuple(evaluate(q) for q in query)
query = re.sub(r'//[^\n]*', '', query)
query = re.sub(r'(\$?[\d\w_]+)[\s\r\n]*:', r'"\1" :', query)
query = re.sub(r'[\r\n]|.\s*pretty\s*\(\s*\)|.\s*sort\s*\([^\)]*\)', '', query).strip()
if not query: return [None] * 2
query = re.sub(r'.\s*aggregate\s*\(\s*([^\[^\s][^\)]*)\)', r'.aggregate([\1])', query)
if query.endswith(';'): query = query[:-1]
true = True
data = list(eval(query))
return [postproc_iter(data, n) if query else None for n in (True, False)]
for d in datasets:
with open(fsroot + d + '.json', encoding = 'utf-8') as f:
# ds = re.sub(r'{\s*"\$oid"\s*:\s*("\w*")\s*}', r'ObjectId(\1)', f.read())
jsonds = '[' + f.read().strip().replace('\n', ',') + ']'
db[d].insert_many(json.loads(jsonds, object_hook=json_util.object_hook))
from solution import sols
answers = [evaluate(s) for s in sols]
# grading
from os import listdir
from importlib.util import module_from_spec, spec_from_file_location
subroot = '/autograder/submission/'
feedback = ''
submissions = [subroot + f for f in listdir(subroot) if f.strip().lower().endswith('.py')]
grade = 0
n_queries = len(sols)
def grade78(ans, i):
sol = answers[i]
others = ('otherbill', 'otherperson')[i - 6]
if type(ans) != list or len(ans) != len(sol):
return False
for a in ans:
if a not in sol:
if type(a) is dict:
try:
for ak in a.keys():
if ak.startswith(others):
key_others = ak[len(others):]
t = a[key_others]
a[key_others] = a[ak]
a[ak] = t
if a not in sol:
return False
else:
sol.remove(a)
except Exception as e:
print(e)
return False
else:
return False
return True
wa = rte = False
if submissions:
submission = submissions[0]
for i in range(n_queries):
feedback += f'Query {i + 1}: '
try:
spec = spec_from_file_location('curr', submission)
module = module_from_spec(spec)
spec.loader.exec_module(module)
q = getattr(module, f'query{i + 1}')()
ans = evaluate(q)
def eq(i):
_cmp = lambda a, b: any(aa == bb for aa, bb in zip(a, b))
if type(answers[i]) is tuple:
return any(_cmp(ans, aa) for aa in answers[i])
else:
return _cmp(ans, answers[i])
if eq(i):
grade += points[i]
feedback += 'Correct.\n'
else:
feedback += 'Wrong Answer.\n'
wa = True
print('ans: ', ans, '\nsol: ', answers[i])
except Exception as e:
rte = True
feedback += 'Runtime Error.\n'
print (e)
else:
feedback += 'No python file in submission.\n'
max_score = sum(points)
if rte:
feedback += ('\nPlease check for syntax errors first if you encountered runtime errors.\n' +
'If you believe it\'s a mistake, contact the TA at sun1226@purdue.edu for assistance.')
# output
results = {
'output': feedback,
'score': grade,
'max_score': max_score,
}
with open('/autograder/results/results.json', 'w') as res:
json.dump(results, res)

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@ -8,13 +8,3 @@ cd -
python3 /autograder/source/autograder.py
# files_submitted=$(ls /autograder/submission)
# num_files_submitted=$(ls /autograder/submission/ | wc -l)
# cat > /autograder/results/results.json <<EOF
# {
# "output": "Good job, you passed! Submitted ${num_files_submitted} files: ${files_submitted}",
# "score": 10,
# "max_score": 10
# }
# EOF

@ -1,10 +0,0 @@
apt install -y curl python3 python3-pip
curl -fsSL https://pgp.mongodb.com/server-7.0.asc | gpg -o /usr/share/keyrings/mongodb-server-7.0.gpg --dearmor
export OS_VER=`cat /etc/os-release | grep VERSION_CODENAME` &&\
export OS_VER=${OS_VER#*=} &&\
printf "deb [ arch=amd64,arm64 signed-by=/usr/share/keyrings/mongodb-server-7.0.gpg ] https://repo.mongodb.org/apt/ubuntu "${OS_VER}"/mongodb-org/7.0 multiverse\n">/etc/apt/sources.list.d/mongodb.list
apt update
apt install -y mongodb-org
mkdir -p /data/db
cd /data
python3 -m pip install pymongo

@ -1,47 +1,77 @@
sols = ['db.bills.find({sponsor_name:"Marco Rubio"}, {_id:0, title: 1, sponsor_name:1, sponsor_state:1})',
'db.bills.find({cosponsors:{$gte:3, $lte:5}}, {_id:0, title:1, sponsor_name:1, cosponsors:1})',
'db.bills.find({$or:[{cosponsors:{$gte:3, $lte:5}}, {sponsor_name:"Marco Rubio"}]}, {_id:0, title:1, sponsor_name:1, cosponsors:1})',
'''db.congress.aggregate([
{ $match: {"state": "IN"} },
{ $group: {_id: "$role_type", count_of_this_role: {$sum:1} } },
{ $sort: {count_of_this_role: -1} },
{ $project: {_id: 1, count_of_this_role: 1} }
])''',
'''db.bills.aggregate([
{ $lookup: {
from: "congress",
localField: "sponsor_id",
foreignField: "person.bioguideid",
as:"congressMember"} },
{ $unwind: "$congressMember" },
{ $project: {_id: 0, title:1, sponsor_name: 1, "description": "$congressMember.description", "DOB": "$congressMember.person.birthday"} }
])''',
'''db.bills.aggregate([
{ $unwind: "$committee_codes" },
{ $project: {committee_codes: 1} },
{ $group: {_id: "$committee_codes", countOfCommittee: {$sum:1} } },
{ $sort: {countOfCommittee: -1} },
])''',
'''db.bills.aggregate([
{ $project: {_id: 1, title:1, sponsor_name: 1, sponsor_state:1}},
{ $lookup: {
from: "bills",
localField: "sponsor_state",
foreignField: "sponsor_state",
as:"otherBills"} },
{ $unwind: "$otherBills" },
{ $project: {title: 1, sponsor_name: 1, sponsor_state: 1, otherbill_id: "$otherBills._id", otherbill_title: "$otherBills.title", otherbill_sponsor_name: "$otherBills.sponsor_name", otherbill_sponsor_state: "$otherBills.sponsor_state"}},
{ $match: {$expr: {$lt: ["$_id", "$otherbill_id"]}}}
])''',
'''db.congress.aggregate([
{ $project: {_id: 1, firstname: "$person.firstname", lastname: "$person.lastname", state: 1}},
{ $lookup: {
from: "congress",
localField: "lastname",
foreignField: "person.lastname",
as:"otherPersons"} },
{ $unwind: "$otherPersons" },
{ $match: {$expr: {$lt: ["$_id", "$otherPersons._id"]}}},
{ $project: {_id:1, firstname: 1, lastname: 1, state:1, otherPerson_id: "$otherPersons._id", otherPerson_firstname: "$otherPersons.person.firstname", otherPerson_lastname: "$otherPersons.person.lastname", otherPerson_state: "$otherPersons.state"}},
{ $match: {$expr: {$eq: ["$state", "$otherPerson_state"]}}},
])''']
sols = ['db.movies.find({year: 1928}, {_id: 0, title: 1, plot: 1})',
"""db.movies.find({'awards.wins' :{$gt: 200}}, {_id: 0, title: 1, 'awards_wins': '$awards.wins'})""",
"""db.movies.find({'imdb.votes' :{$gt: 100}, 'imdb.rating':{$gt: 9.0}}, {_id: 0, title: 1, 'imdb.votes': 1, 'imdb.rating':1})""",
"""
db.movies.aggregate([{$unwind: '$directors'},
{$match: {year: {$gte: 1915, $lte: 1920}}},
{$group: {_id: '$directors', count_of_movies: {$sum: 1}}},
{ $sort: {count_of_movies: -1} }
])
""",
"""
db.comments.aggregate([
{ $lookup: {
from: "movies",
localField: "movie_id",
foreignField: "_id",
as:"MovieDetails"}},
{ $unwind: "$MovieDetails" },
{$project: {name:1, "Movie_imdb_rating": "$MovieDetails.imdb.rating"}},
{$group: {_id: '$name', count_of_comments: {$sum:1}, average_movie_ratings: {$avg: "$Movie_imdb_rating"}}},
{$match: {count_of_comments: {$gt: 250}}}
])
""",
("""
db.movies.aggregate([
{$unwind: "$cast"},
{$match: {year:1996}},
{$project: {cast: 1}},
{$group: {_id: "$cast", CountOfMovies: {$sum:1}}},
{$match: {CountOfMovies:{$gt: 3}}},
{ $sort: {CountOfMovies: -1} }
])
""",
"""
db.movies.aggregate([
{$unwind: "$cast"},
{$match: {year:1996}},
{$project: {cast: 1}},
{$group: {_id: "$cast", CountOfMovies: {$sum:1}}},
{$match: {CountOfMovies:{$gte: 3}}},
{ $sort: {CountOfMovies: -1} }
])
"""),
("""
db.comments.aggregate([
{ $lookup: {
from: "movies",
localField: "movie_id",
foreignField: "_id",
as:"MovieDetails"}},
{$unwind: '$MovieDetails'},{$unwind: '$MovieDetails.genres'},
{$group: {_id: {name: '$name', Genres: '$MovieDetails.genres'}, comment_count: {$sum: 1}}},
{$match:{"_id.Genres": "Crime", comment_count:{$gt: 35}}},
{$project: {_id:0, name : "$_id.name", comment_count: 1}}
])
""",
"""
db.comments.aggregate([
{ $lookup: {
from: "movies",
localField: "movie_id",
foreignField: "_id",
as:"MovieDetails"}},
{$unwind: '$MovieDetails'},{$unwind: '$MovieDetails.genres'},
{$group: {_id: {name: '$name', Genres: '$MovieDetails.genres'}, comment_count: {$sum: 1}}},
{$match:{"_id.Genres": "Crime", comment_count:{$gte: 35}}},
{$project: {_id:0, name : "$_id.name", comment_count: 1}}
])
"""),
"""
db.movies.aggregate([
{$unwind: '$cast'},
{$unwind: '$directors'},
{$match: {$expr: {$eq: ["$cast", "$directors"]}}},
{$project: {title:1, directors: 1}}
])
"""]

@ -1,26 +1,22 @@
# You can change these variables to use a different base image, but
# you must ensure that your base image inherits from one of ours.
# You can also override these at build time with --build-arg flags
ARG BASE_REPO=gradescope/autograder-base
ARG TAG=latest
FROM ${BASE_REPO}:${TAG}
ADD source /autograder/source
RUN cp /autograder/source/run_autograder /autograder/run_autograder
# Ensure that scripts are Unix-friendly and executable
RUN dos2unix /autograder/run_autograder /autograder/source/setup.sh
RUN chmod +x /autograder/run_autograder
RUN curl -fsSL https://debian.neo4j.com/neotechnology.gpg.key | gpg --dearmor -o /usr/share/keyrings/neo4j.gpg
RUN echo "deb [signed-by=/usr/share/keyrings/neo4j.gpg] https://debian.neo4j.com stable latest" > /etc/apt/sources.list.d/neo4j.list
# Do whatever setup was needed in setup.sh, including installing apt packages
# Cleans up the apt cache afterwards in the same step to keep the image small
RUN apt-get update && \
bash /autograder/source/setup.sh && \
apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
RUN python3 -m pip install neo4j
RUN apt-get update
RUN apt install -y neo4j
RUN sed -i '1s/^/server.default_listen_address=0.0.0.0\n/' /etc/neo4j/neo4j.conf
RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
# You can also use RUN commands in the Dockerfile to install things
# instead of using a bash script
RUN service neo4j start
RUN neo4j-admin dbms set-initial-password 4Sfz541Lm --require-password-change=false
ADD source /autograder/source
# The base image defines the CMD and ENTRYPOINT, so don't redefine those
RUN cp /autograder/source/run_autograder /autograder/run_autograder
RUN dos2unix /autograder/run_autograder
RUN chmod +x /autograder/run_autograder

@ -1 +1 @@
docker build -t sunyinqi0508/neo4j_autograder . && docker push sunyinqi0508/neo4j_autograder
docker build -t sunyinqi0508/neo4j_autograder . && docker push sunyinqi0508/neo4j_autograder

@ -1,47 +0,0 @@
CREATE
(gorman:Author {name:"Gorman, Michael"}),
(toner:Author {name:"Toner, Patrick"}),
(koslicki:Author {name:"Koslicki, Kathrin"}),
(fine:Author {name:"Fine, Kit"}),
(roger:Author {name:"Roger, Cat"}),
(beth:Author {name:"Beth, Dog"}),
(art1:Article {doi:"10.5840/ipq20064626", title:"Independence and Substance"}),
(art2:Article {doi:"10.1007/s11098-010-9521-4", title:"Independence Accounts of Substance and Substantial Parts"}),
(art3:Article {doi:"10.1007/s11098-011-9708-3", title:"On Substantial Independence: a Reply to Patrick Toner"}),
(art4:Article {doi:"10.1080/05568640609485174", title:"Substance and Identity-Dependence"}),
(art5:Article {doi:"10.2307/4545221", title:"Ontological Dependence"}),
(art6:Article {doi:"10.2307/4519752", title:"Yet Another Title"}),
(art7:Article {doi:"10.2308/4547590", title:"Seventh Title"}),
(chp1:Chapter {no:9, title:"Substance, Independence, and Unity"}),
(chp2:Chapter {no:10, title:"Chapter on Making Chapters"}),
(ipq:Journal {title:"International Philosophical Quarterly", ISSN:"0019-0365", onlineISSN:"2153-8077"}),
(ps:Journal {title:"Philosophical Studies", ISSN:"0031-8116", onlineISSN:"1573-0883"}),
(pp:Journal {title:"Philosophical Papers", ISSN:"0556-8641", onlineISSN:"1996-8523"}),
(pas:Journal {title:"Proceedings of the Aristotelian Society", ISSN:"0066-7374", onlineISSN:"1467-9264"}),
(hitm:Journal {title:"History in the making", ISSN:"0084-7649", onlineISSN:"1235-7549"}),
(ssj:Journal {title:"Something Something Journal", ISSN:"0420-6729", onlineISSN:"5964-3248"}),
(gorman)-[:WRITES]->(art1)-[:IN {pp:[147,159]} ]->(:Issue {volume:46, issue:2, year:2006, month:6})-[:OF]->(ipq),
(toner)-[:WRITES]->(art2)-[:IN {pp:[37,43]} ]->(:Issue {volume:155, issue:1, year:2011, month:8})-[:OF]->(ps),
(gorman)-[:WRITES]->(art3)-[:IN {pp:[239,297]} ]->(:Issue {volume:159, issue:2, year:2012, month:6})-[:OF]->(ps),
(gorman)-[:WRITES]->(art4)-[:IN {pp:[103,118]} ]->(:Issue {volume:35, issue:1, year:2006, month:3})-[:OF]->(pp),
(fine)-[:WRITES]->(art5)-[:IN {pp:[269,290]} ]->(:Issue {volume:95, year:1995})-[:OF]->(pas),
(roger)-[:WRITES]->(art6)-[:IN {pp:[206,300]} ]->(:Issue {volume:24, year:1996})-[:OF]->(hitm),
(beth)-[:WRITES]->(art7)-[:IN {pp:[0,5]} ]->(:Issue {volume:32, year:1903})-[:OF]->(ssj),
(koslicki)-[:WRITES]->(chp1)-[:IN {pp:[169,195]} ]->(book:Book {title:"Aristotle on Method and Metaphysics", `ISBN-10`:"0230360912", `ISBN-13`:"978-0230360914", year:2013, month:7})<-[:EDITS]-(feser:Author {name:"Feser, Edward"}),
(beth)-[:WRITES]->(chp2)-[:IN {pp:[104,109]} ]->(book2:Book {title:"Book Name is Two", `ISBN-10`:"023546382", `ISBN-13`:"978-0230346584", year:2003, month:9})<-[:EDITS]-(tim:Author {name:"Tim, Bob"}),
(book)<-[:PUBLISHED_BY]-(pub:Publisher {location:"London", name:"Palgrave Macmillan"}),
(book2)<-[:PUBLISHED_BY]-(pub2:Publisher {location:"Madagascar", name:"Alex Lion"}),
(art1)-[:CITES]->(art5),
(art2)-[:CITES]->(art1),
(art2)-[:CITES]->(art4),
(art3)-[:CITES]->(art2),
(art3)-[:CITES]->(art4),
(art5)-[:CITES]->(art6),
(art7)-[:CITES]->(art3),
(art6)-[:CITES]->(art1),
(chp1)-[:CITES]->(art1),
(chp1)-[:CITES]->(art2),
(chp2)-[:CITES]->(art3),
(chp1)-[:CITES]->(art6),
(chp2)-[:CITES]->(art7),
(chp1)-[:CITES]->(art3)

@ -1,126 +1,151 @@
import neo4j, json
print('ver: 1.3')
# dbprep
fsroot = '/autograder/source/'
datasets = ['Neo4J_dataset']
db = neo4j.GraphDatabase.driver('bolt://localhost:7687', auth = ('neo4j', '4Sfz541Lm')).session()
def postproc_str(data : str): # relaxed str matching
import re
return re.sub(r'[\s|_|.]', '', data.lower())
def comparator(a, b):
cmp = lambda x, y: 1 if x < y else -1 if x > y else 0
try:
return cmp(a, b)
except Exception:
from collections.abc import Iterable
def itcmp(a: Iterable, b: Iterable):
if len(a) < len(b):
return -1
elif len(a) == len(b):
for aa, bb in zip(a, b):
c = comparator(aa, bb)
if c != 0:
return c
else: return 1
return 0
match (a, b):
case (dict(), dict()):
return itcmp([*a.keys(), *a.values()], [*b.keys(), *b.values()])
case (Iterable(), Iterable()):
return itcmp(a, b)
case _ if type(a) == type(b):
return cmp(f'{a}', f'{b}')
case _:
return cmp(hash(type(a)), hash(type(b)))
def postproc_iter(data):
from collections.abc import Iterable
from functools import cmp_to_key
try:
match data:
case str():
return postproc_str(data)
case dict():
return { postproc_iter(k):postproc_iter(v) for k, v in data.items() }
case Iterable(): # flatten, remove order and empty iterables
res = type(data)(
sorted(
[postproc_iter(d) for d in data
if not isinstance(d, Iterable) or d]
, key = cmp_to_key(comparator))
)
return res[0] if len(res) == 1 else res
case _: # primitives
return data
except Exception as e: # fail proof
print(e)
return data
def evaluate(query : str):
query = query.strip()
return postproc_iter(db.run(query).data()) if query else None
while True:
try:
db.run('RETURN 0')
break
except:
continue
for d in datasets:
with open(fsroot + d + '.txt', encoding = 'utf-8') as f:
db.run(f.read())
from solution import sols
answers = [evaluate(s) if type(s) is str else tuple(evaluate(k) for k in s) for s in sols ]
# grading
from os import listdir
from importlib.util import module_from_spec, spec_from_file_location
subroot = '/autograder/submission/'
feedback = ''
submissions = [subroot + f for f in listdir(subroot) if f.strip().lower().endswith('.py')]
grade = 0
n_queries = len(sols)
if submissions:
submission = submissions[0]
for i in range(n_queries):
feedback += f'Query {i + 1}: '
try:
spec = spec_from_file_location('curr', submission)
module = module_from_spec(spec)
spec.loader.exec_module(module)
q = getattr(module, f'query{i + 1}')()
def eq(a: list, b):
if type(b) is tuple:
return any(eq(a, bb) for bb in b)
else: return a == b
ans = evaluate(q)
if eq(ans, answers[i]):
grade += 1
feedback += 'Correct.\n'
else:
feedback += 'Wrong Answer.\n'
print('ans: ', ans, '\nsol: ', answers[i])
except Exception as e:
feedback += 'Runtime Error.\n'
print(e)
else:
feedback += 'No python file in submission.\n'
# output
results = {
'output': feedback,
'score': round(grade * 100 / n_queries, 1),
'max_score': 100,
}
with open('/autograder/results/results.json', 'w') as res:
json.dump(results, res)
import neo4j, json, re
print('ver: 1.33')
# dbprep
fsroot = '/autograder/source/'
datasets = ['databaseCreateQueries']
db = neo4j.GraphDatabase.driver('bolt://localhost:7687', auth = ('neo4j', '4Sfz541Lm')).session()
points = (5,)*10
def postproc_str(data : str): # relaxed str matching
return re.sub(r'[\s|_|.]', '', data.lower())
def postproc_keys(data : str):
if type(data) is not str:
return postproc_iter(data)
_dict = {r'count\(\*\)': 'cnt',
r'efamily': 'family',
r'sname': 'aname',
r'size\(continents\)': 'numberofcontinent'}
data = postproc_str(data)
for k, v in _dict.items():
data = re.sub(k, v, data)
return data
def comparator(a, b):
cmp = lambda x, y: 1 if x < y else -1 if x > y else 0
try:
return cmp(a, b)
except Exception:
from collections.abc import Iterable
def itcmp(a: Iterable, b: Iterable):
if len(a) < len(b):
return -1
elif len(a) == len(b):
for aa, bb in zip(a, b):
c = comparator(aa, bb)
if c != 0:
return c
else: return 1
return 0
match (a, b):
case (dict(), dict()):
return itcmp([*a.keys(), *a.values()], [*b.keys(), *b.values()])
case (Iterable(), Iterable()):
return itcmp(a, b)
case _ if type(a) == type(b):
return cmp(f'{a}', f'{b}')
case _:
return cmp(hash(type(a)), hash(type(b)))
def postproc_iter(data, naive = False):
from collections.abc import Iterable
from functools import cmp_to_key
try:
match data:
case str():
return postproc_str(data)
case dict():
return {
(i if naive else postproc_keys(k)) : postproc_iter(v, naive)
for i, (k, v) in enumerate(data.items())
}
case Iterable(): # flatten, remove order and empty iterables
res = type(data)(
sorted(
[postproc_iter(d, naive) for d in data
if not isinstance(d, Iterable) or d]
, key = cmp_to_key(comparator))
)
return res[0] if len(res) == 1 else res
case _: # primitives
return data
except Exception as e: # fail proof
print(e)
return data
def evaluate(query : str):
query = query.strip()
return [postproc_iter(db.run(query).data(), n)
if query else None for n in (False, True)]
while True:
try:
db.run('RETURN 0')
break
except:
continue
for d in datasets:
with open(fsroot + d + '.txt', encoding = 'utf-8') as f:
db.run(f.read())
from solution import sols
answers = [evaluate(s) if type(s) is str else tuple(evaluate(k) for k in s) for s in sols ]
# grading
from os import listdir
from importlib.util import module_from_spec, spec_from_file_location
subroot = '/autograder/submission/'
feedback = ''
submissions = [subroot + f for f in listdir(subroot) if f.strip().lower().endswith('.py')]
grade = 0
n_queries = len(sols)
wa = rte = False
if submissions:
submission = submissions[0]
for i in range(n_queries):
feedback += f'Query {i + 1}: '
try:
spec = spec_from_file_location('curr', submission)
module = module_from_spec(spec)
spec.loader.exec_module(module)
q = getattr(module, f'query{i + 1}')()
def eq(a: list, b):
if type(b) is tuple:
return any(eq(a, bb) for bb in b)
else:
return any(aa == bb for aa, bb in zip(a, b))
ans = evaluate(q)
if eq(ans, answers[i]):
grade += points[i]
feedback += 'Correct.\n'
else:
wa = True
feedback += 'Wrong Answer.\n'
print('ans: ', ans, '\nsol: ', answers[i])
except Exception as e:
rte = True
feedback += 'Runtime Error.\n'
print(e)
else:
feedback += 'No python file in submission.\n'
if rte:
feedback += ('\nPlease check for syntax errors if you encountered runtime errors.\n' +
'If you believe it\'s a mistake, contact the TA at sun1226@purdue.edu for assistance.')
# output
results = {
'output': feedback,
'score': grade,
'max_score': sum(points),
}
with open('/autograder/results/results.json', 'w') as res:
json.dump(results, res)

@ -0,0 +1,488 @@
CREATE (continent1:Continent{name:'North America'})
CREATE (continent2:Continent{name:'South America'})
CREATE (continent3:Continent{name:'Asia'})
CREATE (continent4:Continent{name:'Europe'})
CREATE (continent5:Continent{name:'Australia'})
CREATE (region1:Region{name:'N. Virginia', launched:2006})
CREATE (region2:Region{name:'Oregon', launched:2011})
CREATE (region3:Region{name:'N. California', launched:2009})
CREATE (region4:Region{name:'Ireland', launched:2007})
CREATE (region5:Region{name:'Singapore', launched:2010})
CREATE (region6:Region{name:'Tokyo', launched:2011})
CREATE (region7:Region{name:'Sydney', launched:2012})
CREATE (region8:Region{name:'Sao Paulo', launched:2011})
CREATE (region9:Region{name:'GovCloud', launched:2011})
CREATE (region10:Region{name:'Beijing', launched:2014})
CREATE (availabilityzone1:AvailabilityZone{name:'eu-west-1a'})
CREATE (availabilityzone2:AvailabilityZone{name:'eu-west-1b'})
CREATE (availabilityzone3:AvailabilityZone{name:'eu-west-1c'})
CREATE (availabilityzone4:AvailabilityZone{name:'us-east-1a'})
CREATE (availabilityzone5:AvailabilityZone{name:'us-east-1b'})
CREATE (availabilityzone6:AvailabilityZone{name:'us-east-1c'})
CREATE (availabilityzone7:AvailabilityZone{name:'us-east-1d'})
CREATE (availabilityzone8:AvailabilityZone{name:'us-west-2a'})
CREATE (availabilityzone9:AvailabilityZone{name:'us-west-2b'})
CREATE (availabilityzone10:AvailabilityZone{name:'us-west-2c'})
CREATE (availabilityzone11:AvailabilityZone{name:'us-west-1a'})
CREATE (availabilityzone12:AvailabilityZone{name:'us-west-1c'})
CREATE (availabilityzone13:AvailabilityZone{name:'ap-southeast-1a'})
CREATE (availabilityzone14:AvailabilityZone{name:'ap-southeast-1b'})
CREATE (availabilityzone15:AvailabilityZone{name:'ap-northeast-1a'})
CREATE (availabilityzone16:AvailabilityZone{name:'ap-northeast-1b'})
CREATE (availabilityzone17:AvailabilityZone{name:'ap-northeast-1c'})
CREATE (availabilityzone18:AvailabilityZone{name:'ap-southeast-2a'})
CREATE (availabilityzone19:AvailabilityZone{name:'ap-southeast-2b'})
CREATE (availabilityzone20:AvailabilityZone{name:'sa-east-1a'})
CREATE (availabilityzone21:AvailabilityZone{name:'sa-east-1b'})
CREATE (region1)-[:IS_LOCATED_IN]->(continent1)
CREATE (region2)-[:IS_LOCATED_IN]->(continent1)
CREATE (region3)-[:IS_LOCATED_IN]->(continent1)
CREATE (region4)-[:IS_LOCATED_IN]->(continent4)
CREATE (region5)-[:IS_LOCATED_IN]->(continent3)
CREATE (region6)-[:IS_LOCATED_IN]->(continent3)
CREATE (region7)-[:IS_LOCATED_IN]->(continent5)
CREATE (region8)-[:IS_LOCATED_IN]->(continent2)
CREATE (region9)-[:IS_LOCATED_IN]->(continent1)
CREATE (region10)-[:IS_LOCATED_IN]->(continent3)
CREATE (region4)-[:HAS_ISOLATED]->(availabilityzone1)
CREATE (region4)-[:HAS_ISOLATED]->(availabilityzone2)
CREATE (region4)-[:HAS_ISOLATED]->(availabilityzone3)
CREATE (region1)-[:HAS_ISOLATED]->(availabilityzone4)
CREATE (region1)-[:HAS_ISOLATED]->(availabilityzone5)
CREATE (region1)-[:HAS_ISOLATED]->(availabilityzone6)
CREATE (region1)-[:HAS_ISOLATED]->(availabilityzone7)
CREATE (region2)-[:HAS_ISOLATED]->(availabilityzone8)
CREATE (region2)-[:HAS_ISOLATED]->(availabilityzone9)
CREATE (region2)-[:HAS_ISOLATED]->(availabilityzone10)
CREATE (region3)-[:HAS_ISOLATED]->(availabilityzone11)
CREATE (region3)-[:HAS_ISOLATED]->(availabilityzone12)
CREATE (region5)-[:HAS_ISOLATED]->(availabilityzone13)
CREATE (region5)-[:HAS_ISOLATED]->(availabilityzone14)
CREATE (region6)-[:HAS_ISOLATED]->(availabilityzone15)
CREATE (region6)-[:HAS_ISOLATED]->(availabilityzone16)
CREATE (region6)-[:HAS_ISOLATED]->(availabilityzone17)
CREATE (region7)-[:HAS_ISOLATED]->(availabilityzone18)
CREATE (region7)-[:HAS_ISOLATED]->(availabilityzone19)
CREATE (region8)-[:HAS_ISOLATED]->(availabilityzone20)
CREATE (region8)-[:HAS_ISOLATED]->(availabilityzone21)
CREATE (service1:Service{name:'Amazon Elastic Compute Cloud'})
CREATE (service2:Service{name:'Amazon CloudWatch'})
CREATE (service3:Service{name:'Amazon Virtual Private Cloud'})
CREATE (service4:Service{name:'Amazon Simple Storage Service'})
CREATE (service5:Service{name:'Amazon Elastic Block Store'})
CREATE (service6:Service{name:'Auto Scaling'})
CREATE (service7:Service{name:'Amazon Simple Queue Service'})
CREATE (service8:Service{name:'Amazon Simple Notification Service'})
CREATE (service9:Service{name:'Elastic Load Balancing'})
CREATE (service10:Service{name:'AWS Support'})
CREATE (service11:Service{name:'Amazon DynamoDB'})
CREATE (service12:Service{name:'Amazon Relational Database Service'})
CREATE (service13:Service{name:'Amazon Simple Workflow Service'})
CREATE (service14:Service{name:'Amazon Elastic MapReduce'})
CREATE (service15:Service{name:'AWS Direct Connect'})
CREATE (service16:Service{name:'AWS CloudFormation'})
CREATE (service17:Service{name:'VM Import/Export'})
CREATE (service18:Service{name:'AWS Elastic Beanstalk'})
CREATE (service19:Service{name:'AWS Storage Gateway'})
CREATE (service20:Service{name:'Amazon SimpleDB'})
CREATE (service21:Service{name:'Amazon ElastiCache'})
CREATE (service22:Service{name:'Amazon Elastic Transcoder'})
CREATE (service23:Service{name:'Amazon Redshift'})
CREATE (service24:Service{name:'Amazon CloudSearch'})
CREATE (service25:Service{name:'AWS Import/Export'})
CREATE (service26:Service{name:'Amazon Glacier'})
CREATE (service27:Service{name:'High Performance Computing'})
CREATE (service28:Service{name:'AWS CloudHSM'})
CREATE (service29:Service{name:'AWS CloudTrail'})
CREATE (service30:Service{name:'Amazon Simple Email Service'})
CREATE (service31:Service{name:'AWS Data Pipeline'})
CREATE (service32:Service{name:'Amazon Kinesis'})
CREATE (region1)-[:OFFERS_SERVICE]->(service1)
CREATE (region1)-[:OFFERS_SERVICE]->(service2)
CREATE (region1)-[:OFFERS_SERVICE]->(service3)
CREATE (region1)-[:OFFERS_SERVICE]->(service4)
CREATE (region1)-[:OFFERS_SERVICE]->(service5)
CREATE (region1)-[:OFFERS_SERVICE]->(service6)
CREATE (region1)-[:OFFERS_SERVICE]->(service7)
CREATE (region1)-[:OFFERS_SERVICE]->(service8)
CREATE (region1)-[:OFFERS_SERVICE]->(service9)
CREATE (region1)-[:OFFERS_SERVICE]->(service10)
CREATE (region1)-[:OFFERS_SERVICE]->(service11)
CREATE (region1)-[:OFFERS_SERVICE]->(service12)
CREATE (region1)-[:OFFERS_SERVICE]->(service13)
CREATE (region1)-[:OFFERS_SERVICE]->(service14)
CREATE (region1)-[:OFFERS_SERVICE]->(service15)
CREATE (region1)-[:OFFERS_SERVICE]->(service16)
CREATE (region1)-[:OFFERS_SERVICE]->(service17)
CREATE (region1)-[:OFFERS_SERVICE]->(service18)
CREATE (region1)-[:OFFERS_SERVICE]->(service19)
CREATE (region1)-[:OFFERS_SERVICE]->(service20)
CREATE (region1)-[:OFFERS_SERVICE]->(service21)
CREATE (region1)-[:OFFERS_SERVICE]->(service22)
CREATE (region1)-[:OFFERS_SERVICE]->(service23)
CREATE (region1)-[:OFFERS_SERVICE]->(service24)
CREATE (region1)-[:OFFERS_SERVICE]->(service25)
CREATE (region1)-[:OFFERS_SERVICE]->(service26)
CREATE (region1)-[:OFFERS_SERVICE]->(service27)
CREATE (region1)-[:OFFERS_SERVICE]->(service28)
CREATE (region1)-[:OFFERS_SERVICE]->(service29)
CREATE (region1)-[:OFFERS_SERVICE]->(service30)
CREATE (region1)-[:OFFERS_SERVICE]->(service31)
CREATE (region1)-[:OFFERS_SERVICE]->(service32)
CREATE (region2)-[:OFFERS_SERVICE]->(service1)
CREATE (region2)-[:OFFERS_SERVICE]->(service2)
CREATE (region2)-[:OFFERS_SERVICE]->(service3)
CREATE (region2)-[:OFFERS_SERVICE]->(service4)
CREATE (region2)-[:OFFERS_SERVICE]->(service5)
CREATE (region2)-[:OFFERS_SERVICE]->(service6)
CREATE (region2)-[:OFFERS_SERVICE]->(service7)
CREATE (region2)-[:OFFERS_SERVICE]->(service8)
CREATE (region2)-[:OFFERS_SERVICE]->(service9)
CREATE (region2)-[:OFFERS_SERVICE]->(service10)
CREATE (region2)-[:OFFERS_SERVICE]->(service11)
CREATE (region2)-[:OFFERS_SERVICE]->(service12)
CREATE (region2)-[:OFFERS_SERVICE]->(service13)
CREATE (region2)-[:OFFERS_SERVICE]->(service14)
CREATE (region2)-[:OFFERS_SERVICE]->(service15)
CREATE (region2)-[:OFFERS_SERVICE]->(service16)
CREATE (region2)-[:OFFERS_SERVICE]->(service17)
CREATE (region2)-[:OFFERS_SERVICE]->(service18)
CREATE (region2)-[:OFFERS_SERVICE]->(service19)
CREATE (region2)-[:OFFERS_SERVICE]->(service20)
CREATE (region2)-[:OFFERS_SERVICE]->(service21)
CREATE (region2)-[:OFFERS_SERVICE]->(service22)
CREATE (region2)-[:OFFERS_SERVICE]->(service23)
CREATE (region2)-[:OFFERS_SERVICE]->(service24)
CREATE (region2)-[:OFFERS_SERVICE]->(service25)
CREATE (region2)-[:OFFERS_SERVICE]->(service26)
CREATE (region2)-[:OFFERS_SERVICE]->(service27)
CREATE (region2)-[:OFFERS_SERVICE]->(service28)
CREATE (region2)-[:OFFERS_SERVICE]->(service29)
CREATE (region3)-[:OFFERS_SERVICE]->(service1)
CREATE (region3)-[:OFFERS_SERVICE]->(service2)
CREATE (region3)-[:OFFERS_SERVICE]->(service3)
CREATE (region3)-[:OFFERS_SERVICE]->(service4)
CREATE (region3)-[:OFFERS_SERVICE]->(service5)
CREATE (region3)-[:OFFERS_SERVICE]->(service6)
CREATE (region3)-[:OFFERS_SERVICE]->(service7)
CREATE (region3)-[:OFFERS_SERVICE]->(service8)
CREATE (region3)-[:OFFERS_SERVICE]->(service9)
CREATE (region3)-[:OFFERS_SERVICE]->(service10)
CREATE (region3)-[:OFFERS_SERVICE]->(service11)
CREATE (region3)-[:OFFERS_SERVICE]->(service12)
CREATE (region3)-[:OFFERS_SERVICE]->(service13)
CREATE (region3)-[:OFFERS_SERVICE]->(service14)
CREATE (region3)-[:OFFERS_SERVICE]->(service15)
CREATE (region3)-[:OFFERS_SERVICE]->(service16)
CREATE (region3)-[:OFFERS_SERVICE]->(service17)
CREATE (region3)-[:OFFERS_SERVICE]->(service18)
CREATE (region3)-[:OFFERS_SERVICE]->(service19)
CREATE (region3)-[:OFFERS_SERVICE]->(service20)
CREATE (region3)-[:OFFERS_SERVICE]->(service21)
CREATE (region3)-[:OFFERS_SERVICE]->(service22)
CREATE (region3)-[:OFFERS_SERVICE]->(service24)
CREATE (region3)-[:OFFERS_SERVICE]->(service25)
CREATE (region3)-[:OFFERS_SERVICE]->(service26)
CREATE (region4)-[:OFFERS_SERVICE]->(service1)
CREATE (region4)-[:OFFERS_SERVICE]->(service2)
CREATE (region4)-[:OFFERS_SERVICE]->(service3)
CREATE (region4)-[:OFFERS_SERVICE]->(service4)
CREATE (region4)-[:OFFERS_SERVICE]->(service5)
CREATE (region4)-[:OFFERS_SERVICE]->(service6)
CREATE (region4)-[:OFFERS_SERVICE]->(service7)
CREATE (region4)-[:OFFERS_SERVICE]->(service8)
CREATE (region4)-[:OFFERS_SERVICE]->(service9)
CREATE (region4)-[:OFFERS_SERVICE]->(service10)
CREATE (region4)-[:OFFERS_SERVICE]->(service11)
CREATE (region4)-[:OFFERS_SERVICE]->(service12)
CREATE (region4)-[:OFFERS_SERVICE]->(service13)
CREATE (region4)-[:OFFERS_SERVICE]->(service14)
CREATE (region4)-[:OFFERS_SERVICE]->(service15)
CREATE (region4)-[:OFFERS_SERVICE]->(service16)
CREATE (region4)-[:OFFERS_SERVICE]->(service17)
CREATE (region4)-[:OFFERS_SERVICE]->(service18)
CREATE (region4)-[:OFFERS_SERVICE]->(service19)
CREATE (region4)-[:OFFERS_SERVICE]->(service20)
CREATE (region4)-[:OFFERS_SERVICE]->(service21)
CREATE (region4)-[:OFFERS_SERVICE]->(service22)
CREATE (region4)-[:OFFERS_SERVICE]->(service23)
CREATE (region4)-[:OFFERS_SERVICE]->(service24)
CREATE (region4)-[:OFFERS_SERVICE]->(service25)
CREATE (region4)-[:OFFERS_SERVICE]->(service26)
CREATE (region4)-[:OFFERS_SERVICE]->(service27)
CREATE (region4)-[:OFFERS_SERVICE]->(service28)
CREATE (region4)-[:OFFERS_SERVICE]->(service30)
CREATE (region5)-[:OFFERS_SERVICE]->(service1)
CREATE (region5)-[:OFFERS_SERVICE]->(service2)
CREATE (region5)-[:OFFERS_SERVICE]->(service3)
CREATE (region5)-[:OFFERS_SERVICE]->(service4)
CREATE (region5)-[:OFFERS_SERVICE]->(service5)
CREATE (region5)-[:OFFERS_SERVICE]->(service6)
CREATE (region5)-[:OFFERS_SERVICE]->(service7)
CREATE (region5)-[:OFFERS_SERVICE]->(service8)
CREATE (region5)-[:OFFERS_SERVICE]->(service9)
CREATE (region5)-[:OFFERS_SERVICE]->(service10)
CREATE (region5)-[:OFFERS_SERVICE]->(service11)
CREATE (region5)-[:OFFERS_SERVICE]->(service12)
CREATE (region5)-[:OFFERS_SERVICE]->(service13)
CREATE (region5)-[:OFFERS_SERVICE]->(service14)
CREATE (region5)-[:OFFERS_SERVICE]->(service15)
CREATE (region5)-[:OFFERS_SERVICE]->(service16)
CREATE (region5)-[:OFFERS_SERVICE]->(service17)
CREATE (region5)-[:OFFERS_SERVICE]->(service18)
CREATE (region5)-[:OFFERS_SERVICE]->(service19)
CREATE (region5)-[:OFFERS_SERVICE]->(service20)
CREATE (region5)-[:OFFERS_SERVICE]->(service21)
CREATE (region5)-[:OFFERS_SERVICE]->(service22)
CREATE (region5)-[:OFFERS_SERVICE]->(service23)
CREATE (region5)-[:OFFERS_SERVICE]->(service24)
CREATE (region5)-[:OFFERS_SERVICE]->(service25)
CREATE (region6)-[:OFFERS_SERVICE]->(service1)
CREATE (region6)-[:OFFERS_SERVICE]->(service2)
CREATE (region6)-[:OFFERS_SERVICE]->(service3)
CREATE (region6)-[:OFFERS_SERVICE]->(service4)
CREATE (region6)-[:OFFERS_SERVICE]->(service5)
CREATE (region6)-[:OFFERS_SERVICE]->(service6)
CREATE (region6)-[:OFFERS_SERVICE]->(service7)
CREATE (region6)-[:OFFERS_SERVICE]->(service8)
CREATE (region6)-[:OFFERS_SERVICE]->(service9)
CREATE (region6)-[:OFFERS_SERVICE]->(service10)
CREATE (region6)-[:OFFERS_SERVICE]->(service11)
CREATE (region6)-[:OFFERS_SERVICE]->(service12)
CREATE (region6)-[:OFFERS_SERVICE]->(service13)
CREATE (region6)-[:OFFERS_SERVICE]->(service14)
CREATE (region6)-[:OFFERS_SERVICE]->(service15)
CREATE (region6)-[:OFFERS_SERVICE]->(service16)
CREATE (region6)-[:OFFERS_SERVICE]->(service17)
CREATE (region6)-[:OFFERS_SERVICE]->(service18)
CREATE (region6)-[:OFFERS_SERVICE]->(service19)
CREATE (region6)-[:OFFERS_SERVICE]->(service20)
CREATE (region6)-[:OFFERS_SERVICE]->(service21)
CREATE (region6)-[:OFFERS_SERVICE]->(service22)
CREATE (region6)-[:OFFERS_SERVICE]->(service23)
CREATE (region6)-[:OFFERS_SERVICE]->(service26)
CREATE (region6)-[:OFFERS_SERVICE]->(service27)
CREATE (region7)-[:OFFERS_SERVICE]->(service1)
CREATE (region7)-[:OFFERS_SERVICE]->(service2)
CREATE (region7)-[:OFFERS_SERVICE]->(service3)
CREATE (region7)-[:OFFERS_SERVICE]->(service4)
CREATE (region7)-[:OFFERS_SERVICE]->(service5)
CREATE (region7)-[:OFFERS_SERVICE]->(service6)
CREATE (region7)-[:OFFERS_SERVICE]->(service7)
CREATE (region7)-[:OFFERS_SERVICE]->(service8)
CREATE (region7)-[:OFFERS_SERVICE]->(service9)
CREATE (region7)-[:OFFERS_SERVICE]->(service10)
CREATE (region7)-[:OFFERS_SERVICE]->(service11)
CREATE (region7)-[:OFFERS_SERVICE]->(service12)
CREATE (region7)-[:OFFERS_SERVICE]->(service13)
CREATE (region7)-[:OFFERS_SERVICE]->(service14)
CREATE (region7)-[:OFFERS_SERVICE]->(service15)
CREATE (region7)-[:OFFERS_SERVICE]->(service16)
CREATE (region7)-[:OFFERS_SERVICE]->(service17)
CREATE (region7)-[:OFFERS_SERVICE]->(service18)
CREATE (region7)-[:OFFERS_SERVICE]->(service19)
CREATE (region7)-[:OFFERS_SERVICE]->(service20)
CREATE (region7)-[:OFFERS_SERVICE]->(service21)
CREATE (region7)-[:OFFERS_SERVICE]->(service23)
CREATE (region7)-[:OFFERS_SERVICE]->(service26)
CREATE (region7)-[:OFFERS_SERVICE]->(service28)
CREATE (region8)-[:OFFERS_SERVICE]->(service1)
CREATE (region8)-[:OFFERS_SERVICE]->(service2)
CREATE (region8)-[:OFFERS_SERVICE]->(service3)
CREATE (region8)-[:OFFERS_SERVICE]->(service4)
CREATE (region8)-[:OFFERS_SERVICE]->(service5)
CREATE (region8)-[:OFFERS_SERVICE]->(service6)
CREATE (region8)-[:OFFERS_SERVICE]->(service7)
CREATE (region8)-[:OFFERS_SERVICE]->(service8)
CREATE (region8)-[:OFFERS_SERVICE]->(service9)
CREATE (region8)-[:OFFERS_SERVICE]->(service10)
CREATE (region8)-[:OFFERS_SERVICE]->(service11)
CREATE (region8)-[:OFFERS_SERVICE]->(service12)
CREATE (region8)-[:OFFERS_SERVICE]->(service13)
CREATE (region8)-[:OFFERS_SERVICE]->(service14)
CREATE (region8)-[:OFFERS_SERVICE]->(service15)
CREATE (region8)-[:OFFERS_SERVICE]->(service16)
CREATE (region8)-[:OFFERS_SERVICE]->(service18)
CREATE (region8)-[:OFFERS_SERVICE]->(service19)
CREATE (region8)-[:OFFERS_SERVICE]->(service20)
CREATE (region8)-[:OFFERS_SERVICE]->(service21)
CREATE (region9)-[:OFFERS_SERVICE]->(service1)
CREATE (region9)-[:OFFERS_SERVICE]->(service2)
CREATE (region9)-[:OFFERS_SERVICE]->(service3)
CREATE (region9)-[:OFFERS_SERVICE]->(service4)
CREATE (region9)-[:OFFERS_SERVICE]->(service5)
CREATE (region9)-[:OFFERS_SERVICE]->(service6)
CREATE (region9)-[:OFFERS_SERVICE]->(service7)
CREATE (region9)-[:OFFERS_SERVICE]->(service8)
CREATE (region9)-[:OFFERS_SERVICE]->(service9)
CREATE (region9)-[:OFFERS_SERVICE]->(service10)
CREATE (region9)-[:OFFERS_SERVICE]->(service11)
CREATE (region9)-[:OFFERS_SERVICE]->(service12)
CREATE (region9)-[:OFFERS_SERVICE]->(service13)
CREATE (region9)-[:OFFERS_SERVICE]->(service14)
CREATE (region9)-[:OFFERS_SERVICE]->(service15)
CREATE (region9)-[:OFFERS_SERVICE]->(service16)
CREATE (region9)-[:OFFERS_SERVICE]->(service27)
CREATE (region10)-[:OFFERS_SERVICE]->(service1)
CREATE (region10)-[:OFFERS_SERVICE]->(service2)
CREATE (region10)-[:OFFERS_SERVICE]->(service3)
CREATE (region10)-[:OFFERS_SERVICE]->(service4)
CREATE (region10)-[:OFFERS_SERVICE]->(service5)
CREATE (region10)-[:OFFERS_SERVICE]->(service6)
CREATE (region10)-[:OFFERS_SERVICE]->(service7)
CREATE (region10)-[:OFFERS_SERVICE]->(service8)
CREATE (region10)-[:OFFERS_SERVICE]->(service9)
CREATE (region10)-[:OFFERS_SERVICE]->(service10)
CREATE (region10)-[:OFFERS_SERVICE]->(service11)
CREATE (region10)-[:OFFERS_SERVICE]->(service12)
CREATE (region10)-[:OFFERS_SERVICE]->(service13)
CREATE (region10)-[:OFFERS_SERVICE]->(service14)
CREATE (region10)-[:OFFERS_SERVICE]->(service16)
CREATE (region10)-[:OFFERS_SERVICE]->(service17)
CREATE (region10)-[:OFFERS_SERVICE]->(service19)
CREATE (region10)-[:OFFERS_SERVICE]->(service21)
CREATE (region10)-[:OFFERS_SERVICE]->(service26)
CREATE (instance1:EC2InstanceType{name:'m1.small', family:'general purpose', memory:1.7 })-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance2:EC2InstanceType{name:'m1.medium', family:'general purpose', memory:3.75})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance3:EC2InstanceType{name:'m1.large', family:'general purpose', memory:7.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance4:EC2InstanceType{name:'m1.xlarge', family:'general purpose', memory:15})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance5:EC2InstanceType{name:'m3.xlarge', family:'general purpose', memory:15 })-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance6:EC2InstanceType{name:'m3.2xlarge', family:'general purpose', memory:30})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance7:EC2InstanceType{name:'c1.medium', family:'Compute optimized', memory:1.7})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance8:EC2InstanceType{name:'c1.xlarge', family:'Compute optimized', memory:7})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance9:EC2InstanceType{name:'c3.large', family:'Compute optimized', memory:3.75})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance10:EC2InstanceType{name:'c3.xlarge', family:'Compute optimized', memory:7.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance11:EC2InstanceType{name:'c3.2xlarge', family:'Compute optimized', memory:15})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance12:EC2InstanceType{name:'c3.4xlarge', family:'Compute optimized', memory:30})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance13:EC2InstanceType{name:'c3.8xlarge', family:'Compute optimized', memory:60})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance14:EC2InstanceType{name:'cc2.8xlarge', family:'Compute optimized', memory:60.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance15:EC2InstanceType{name:'m2.xlarge', family:'Memory optimized', memory:17.1})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance16:EC2InstanceType{name:'m2.2xlarge', family:'Memory optimized', memory:34.2})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance17:EC2InstanceType{name:'m2.4xlarge', family:'Memory optimized', memory:68.4})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance18:EC2InstanceType{name:'cr1.8xlarge', family:'Memory optimized', memory:244})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance19:EC2InstanceType{name:'hi1.4xlarge', family:'Storage optimized', memory:60.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance20:EC2InstanceType{name:'hs1.8xlarge', family:'Storage optimized', memory:117})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance21:EC2InstanceType{name:'i2.xlarge', family:'Storage optimized', memory:30.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance22:EC2InstanceType{name:'Â i2.2xlarge', family:'Storage optimized', memory:61})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance23:EC2InstanceType{name:'i2.4xlarge ', family:'Storage optimized', memory:122})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance24:EC2InstanceType{name:'i2.8xlarge', family:'Storage optimized', memory:244})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance25:EC2InstanceType{name:'t1.micro', family:'Micro instances', memory:.615})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance26:EC2InstanceType{name:'cg1.4xlarge', family:'GPU instances', memory:22.5})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance27:EC2InstanceType{name:'g2.2xlarge', family:'GPU instances', memory:15})-[:IS_EC2_INSTANCE_TYPE]->(service1)
CREATE (instance27)-[:IS_EC2_INSTANCE_TYPE]->(service2)
CREATE (instance1)-[:IS_EC2_INSTANCE_TYPE]->(service3)
CREATE (instance22)-[:IS_EC2_INSTANCE_TYPE]->(service3)
CREATE (instance11)-[:IS_EC2_INSTANCE_TYPE]->(service3)
CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service4)
CREATE (instance3)-[:IS_EC2_INSTANCE_TYPE]->(service5)
CREATE (instance17)-[:IS_EC2_INSTANCE_TYPE]->(service5)
CREATE (instance22)-[:IS_EC2_INSTANCE_TYPE]->(service6)
CREATE (instance11)-[:IS_EC2_INSTANCE_TYPE]->(service7)
CREATE (instance1)-[:IS_EC2_INSTANCE_TYPE]->(service8)
CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service8)
CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service8)
CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service9)
CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service2)
CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service10)
CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service11)
CREATE (instance6)-[:IS_EC2_INSTANCE_TYPE]->(service12)
CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service13)
CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service14)
CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service15)
CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service16)
CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service17)
CREATE (instance2)-[:IS_EC2_INSTANCE_TYPE]->(service18)
CREATE (instance3)-[:IS_EC2_INSTANCE_TYPE]->(service19)
CREATE (instance3)-[:IS_EC2_INSTANCE_TYPE]->(service20)
CREATE (instance3)-[:IS_EC2_INSTANCE_TYPE]->(service21)
CREATE (instance4)-[:IS_EC2_INSTANCE_TYPE]->(service22)
CREATE (instance3)-[:IS_EC2_INSTANCE_TYPE]->(service23)
CREATE (instance26)-[:IS_EC2_INSTANCE_TYPE]->(service16)
CREATE (instance5)-[:IS_EC2_INSTANCE_TYPE]->(service17)
CREATE (instance5)-[:IS_EC2_INSTANCE_TYPE]->(service10)
CREATE (instance5)-[:IS_EC2_INSTANCE_TYPE]->(service11)
CREATE (instance5)-[:IS_EC2_INSTANCE_TYPE]->(service12)
CREATE (instance7)-[:IS_EC2_INSTANCE_TYPE]->(service13)
CREATE (instance17)-[:IS_EC2_INSTANCE_TYPE]->(service14)
CREATE (instance10)-[:IS_EC2_INSTANCE_TYPE]->(service15)
CREATE (instance10)-[:IS_EC2_INSTANCE_TYPE]->(service16)
CREATE (instance10)-[:IS_EC2_INSTANCE_TYPE]->(service17)
CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service17)
CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service10)
CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service11)
CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service12)
CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service13)
CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service14)
CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service15)
CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service16)
CREATE (instance25)-[:IS_EC2_INSTANCE_TYPE]->(service17)
//instance 9
CREATE (price1:Price{name:'PriceBook', desc:'region 1 price book', cost_per_hour:0.150})
CREATE (price2:Price{name:'PriceBook', desc:'region 2 pricebook', cost_per_hour:0.150})
CREATE (price3:Price{name:'PriceBook', desc:'region 3 pricebook', cost_per_hour:0.171})
CREATE (region1)-[:CHARGES]->(price1)-[:FOR_INSTANCE]->(instance9)
CREATE (region2)-[:CHARGES]->(price2)-[:FOR_INSTANCE]->(instance9)
CREATE (region3)-[:CHARGES]->(price3)-[:FOR_INSTANCE]->(instance9)
//instance1
CREATE (price4:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.060})
CREATE (region1)-[:CHARGES]->(price4)-[:FOR_INSTANCE]->(instance1)
//instance 10
CREATE (price5:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.300})
CREATE (price6:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.300})
CREATE (price7:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.342})
CREATE (region1)-[:CHARGES]->(price5)-[:FOR_INSTANCE]->(instance10)
CREATE (region2)-[:CHARGES]->(price6)-[:FOR_INSTANCE]->(instance10)
CREATE (region3)-[:CHARGES]->(price7)-[:FOR_INSTANCE]->(instance10)
//instance 11
CREATE (price8:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.600})
CREATE (price9:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.600})
CREATE (price10:Price{name:'PriceBook', desc:'foo', cost_per_hour:0.683})
CREATE (region9)-[:CHARGES]->(price8)-[:FOR_INSTANCE]->(instance11)
CREATE (region2)-[:CHARGES]->(price9)-[:FOR_INSTANCE]->(instance11)
CREATE (region3)-[:CHARGES]->(price10)-[:FOR_INSTANCE]->(instance11)
//instance 12
CREATE (price11:Price{name:'PriceBook', desc:'foo', cost_per_hour:1.200})
CREATE (price12:Price{name:'PriceBook', desc:'foo', cost_per_hour:1.200})
CREATE (price13:Price{name:'PriceBook', desc:'foo', cost_per_hour:1.366})
CREATE (region1)-[:CHARGES]->(price11)-[:FOR_INSTANCE]->(instance12)
CREATE (region2)-[:CHARGES]->(price12)-[:FOR_INSTANCE]->(instance12)
CREATE (region3)-[:CHARGES]->(price13)-[:FOR_INSTANCE]->(instance12)
//instance 13
CREATE (price14:Price{name:'PriceBook', desc:'foo', cost_per_hour:2.400})
CREATE (price15:Price{name:'PriceBook', desc:'foo', cost_per_hour:2.400})
CREATE (price16:Price{name:'PriceBook', desc:'foo', cost_per_hour:2.732})
CREATE (region1)-[:CHARGES]->(price14)-[:FOR_INSTANCE]->(instance13)
CREATE (region2)-[:CHARGES]->(price15)-[:FOR_INSTANCE]->(instance13)
CREATE (region3)-[:CHARGES]->(price16)-[:FOR_INSTANCE]->(instance13)

@ -6,13 +6,3 @@ service neo4j start
python3 /autograder/source/autograder.py
# files_submitted=$(ls /autograder/submission)
# num_files_submitted=$(ls /autograder/submission/ | wc -l)
# cat > /autograder/results/results.json <<EOF
# {
# "output": "Good job, you passed! Submitted ${num_files_submitted} files: ${files_submitted}",
# "score": 10,
# "max_score": 10
# }
# EOF

@ -1,10 +0,0 @@
apt install -y curl python3 python3-pip
curl -fsSL https://debian.neo4j.com/neotechnology.gpg.key | gpg --dearmor -o /usr/share/keyrings/neo4j.gpg
echo "deb [signed-by=/usr/share/keyrings/neo4j.gpg] https://debian.neo4j.com stable latest" > /etc/apt/sources.list.d/neo4j.list
apt update
apt install -y neo4j
sed -i '1s/^/server.default_listen_address=0.0.0.0\n/' /etc/neo4j/neo4j.conf
systemctl enable --now neo4j
neo4j-admin dbms set-initial-password 4Sfz541Lm --require-password-change=false
python3 -m pip install neo4j

@ -1,73 +1,57 @@
sols = [
'''
MATCH (author:Author)-[:WRITES]->(article:Article)
RETURN author.name, article.title
''',
('''
match (author:Author)-[:WRITES]->(paper_or_chapter)
return author.name, paper_or_chapter.title, labels(paper_or_chapter)
''',
'''
MATCH (author:Author)-[:WRITES]->(paper_or_chapter)
WITH author, paper_or_chapter, labels(paper_or_chapter) as publicationType
WHERE publicationType=["Article"] or publicationType=["Chapter"]
RETURN author.name, paper_or_chapter.title, publicationType
'''),
('''
match (author:Author)-[:WRITES|EDITS]->(publication)
return author.name, publication.title, labels(publication)
''',
'''
MATCH (author:Author)-[]->(publication)
WHERE publication:Article or publication:Chapter or publication:Book
RETURN author.name, publication.title, labels(publication)
'''),
('''
match (author:Author)-[:WRITES|EDITS]->(publication)
return author.name, count(publication) as publication_count
''',
'''
MATCH (author:Author)-[]->(publication)
WHERE publication:Article OR publication:Chapter or publication:Book
RETURN author.name, count(publication) as publication_count
'''),
('''
match(a:Article)-[in:IN]->(:Issue)
where (in.pp[1] - in.pp[0]) <= 10
return a.title, (in.pp[1] - in.pp[0] + 1) as NumberOfPages
''',
'''
MATCH (a:Article)-[e:IN]->(:Issue)
WITH a, e.pp[1]-e.pp[0]+1 as NumberOfPages
WHERE NumberOfPages <=10
RETURN a.title, NumberOfPages
'''),
'''
MATCH (p2:Article)<-[]-(a1:Author)-[]->(p1:Article),(p1)-[:CITES]->(p2)
RETURN a1.name, p1.title, p2.title
''',
'''
MATCH (publication)<-[:CITES]-()
WITH publication, count(*) as publication_count
WHERE (publication:Article or publication:Chapter) and publication_count >= 2
RETURN publication.title, publication_count
''',
('''
match (journal:Journal)<-[:OF]-(issue:Issue)<-[:IN]-(article:Article)<-[:CITES]-(someOtherPublication)
with journal, article, count(someOtherPublication) as citations_count
where citations_count > 1
match (article)<-[:WRITES]-(author:Author)
return journal.title, article.title, citations_count, author.name
''',
'''
MATCH (author:Author)-[:WRITES]->(article:Article)-[:IN]->()-[]->(journal:Journal), ()-[e:CITES]->(article:Article)
WITH journal, article, author, count(e) as citation_count
WHERE citation_count >= 2
RETURN journal.title, article.title, citation_count, author.name
'''),
'''
MATCH (a1:Article)-[:IN]->(i1:Issue)-[]->(:Journal)<-[]-(i2:Issue)<-[]-(a2:Article)
WHERE (a1)-[:CITES]->(a2)
RETURN a1.title, i1.issue, a2.title, i2.issue
'''
]
sols = [
'''
MATCH (region:Region)-[:IS_LOCATED_IN]-(continent:Continent)
RETURN region.name, continent.name
''',
'''
MATCH (region:Region)-[:HAS_ISOLATED]-(azone:AvailabilityZone)
RETURN region.name,azone.name
''',
'''
MATCH(e:EC2InstanceType)
return e.family, count(*)
''',
'''
MATCH(e:EC2InstanceType)--(p:Price)
with e, p.cost_per_hour/e.memory as price_per_GB
Order by price_per_GB
Return e.name, price_per_GB
Limit 1
''',
'''
match (service:Service)-[:OFFERS_SERVICE]-(region:Region)
with service, count(region) as number_of_region, collect(region.name) as region_name_collection
where number_of_region > 5
return service.name, number_of_region,region_name_collection
order by number_of_region desc, service.name asc
''',
'''
match (instance:EC2InstanceType)--(price:Price)--(region:Region {name: "N. Virginia"})
where price.cost_per_hour > 1
return instance.name, price.cost_per_hour, region.name
''',
'''
match(a:Service)--(:Region)--(c:Continent)
with a, count(distinct c) as number_of_continent
where number_of_continent = 5
return a.name, number_of_continent
''',
'''
match (r:Region)-[:OFFERS_SERVICE]->(s1:Service {name:'AWS Data Pipeline'}), (r)-[:OFFERS_SERVICE]->(s2:Service {name:'Amazon Kinesis'})
return r.name
''',
'''
match (r:Region)-[:OFFERS_SERVICE]->(s1:Service {name:'Amazon Simple Email Service'})
WHERE NOT (r)-[:OFFERS_SERVICE]->(:Service {name:'AWS Data Pipeline'})
return r.name
''',
'''
match(a:Service)<-[]-(e:EC2InstanceType {name: 'Â i2.2xlarge'})
where NOT (a)<-[]-(:EC2InstanceType {name: 'c3.2xlarge'})
return a.name, 'offered only on i2.2xlarge' as description
union
match(a:Service)<-[]-(e:EC2InstanceType {name: 'Â i2.2xlarge'})
where (a)<-[]-(:EC2InstanceType {name: 'c3.2xlarge'})
return a.name, 'offered on i2.2xlarge and c3.2xlarge' as description
'''
]

@ -0,0 +1,45 @@
instr = '''Instructions:
Please put the queries under the corresponding functions below.
Running this python file will check if the formatting is okay.
'''
def query1():
return """
"""
def query2():
return """
"""
def query3():
return """
"""
def query4():
return """
"""
def query5():
return """
"""
def query6():
return """
"""
def query7():
return """
"""
def query8():
return """
"""
if __name__ == "__main__":
try:
if all(type(eval(f'query{f}()'))==str for f in range(1,9)):
print('Your submission is valid.')
else:
raise TypeError('Invalid Return Types.')
except Exception as e:
print(f'Your submission is invalid.\n{instr}\n{e}')

@ -0,0 +1,53 @@
instr = '''Instructions:
Please put the queries under the corresponding functions below.
Running this python file will check if the formatting is okay.
'''
def query1():
return """
"""
def query2():
return """
"""
def query3():
return """
"""
def query4():
return """
"""
def query5():
return """
"""
def query6():
return """
"""
def query7():
return """
"""
def query8():
return """
"""
def query9():
return """
"""
def query10():
return """
"""
if __name__ == "__main__":
try:
if all(type(eval(f'query{f}()'))==str for f in range(1,11)):
print('Your submission is valid.')
else:
raise TypeError('Invalid Return Types.')
except Exception as e:
print(f'Your submission is invalid.\n{instr}\n{e}')
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