本文整理汇总了Python中connection.Connection.query方法的典型用法代码示例。如果您正苦于以下问题：Python Connection.query方法的具体用法？Python Connection.query怎么用？Python Connection.query使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类connection.Connection的用法示例。
在下文中一共展示了Connection.query方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: all
# 需要导入模块: from connection import Connection [as 别名]
# 或者: from connection.Connection import query [as 别名]
def all(cls, schema, table):
data = Connection.query(
""" SELECT conname,
pg_catalog.pg_get_constraintdef(r.oid, true) as condef
FROM pg_catalog.pg_constraint r
WHERE conrelid::regclass = (%s || '.' || %s)::regclass
""",
(schema, table,)
)
return [Constraint(name=reg[0], definition=reg[1]) for reg in data]示例2: with_name
# 需要导入模块: from connection import Connection [as 别名]
# 或者: from connection.Connection import query [as 别名]
def with_name(cls, name):
""" Retorna um objeto Schema referente ao schema com nome indicado.
None caso não haja nenhum.
"""
data = Connection.query(
"SELECT nspname as name, "
"pg_catalog.obj_description(ns.oid,'pg_namespace') as description "
" FROM pg_catalog.pg_namespace ns WHERE nspname = %s", (name,))
if data:
return Schema(name=data[0][0], description=data[0][1])
else:
return None示例3: implements
# 需要导入模块: from connection import Connection [as 别名]
# 或者: from connection.Connection import query [as 别名]
def implements(self):
"""
Inspects the wiki triples for "implements" links and returns them with their namespace removed.
@return: the list of features
@rtype list of str
"""
if not '_Member__implements' in self.__dict__:
self.__implements = []
connection = Connection('http://triples.101companies.org/openrdf-sesame/')
connection.use_repository('Testing_2')
connection.addnamespace('onto', 'http://101companies.org/ontology#')
connection.addnamespace('res', 'http://101companies.org/resources#')
res = connection.query('SELECT DISTINCT ?feature WHERE { <http://101companies.org/resources#'+self.name+'> <http://101companies.org/ontology#implements> ?feature }')
for feature in res:
val = feature['feature']['value'].replace('http://101companies.org/resources#','').replace('_',' ')
self.__implements.append(val)
return self.__implements示例4: checkHirerarchy
# 需要导入模块: from connection import Connection [as 别名]
# 或者: from connection.Connection import query [as 别名]
def checkHirerarchy():
env = Environment(loader=FileSystemLoader('tmpl'))
connection = Connection('http://triples.101companies.org:8080/openrdf-sesame/')
connection.use_repository('sandbox')
connection.addnamespace('onto', 'http://101companies.org/ontology#')
connection.addnamespace('res', 'http://101companies.org/resources#')
template = env.get_template('subtypeCheck')
print "Subtyping check"
query = template.render()
res = connection.query(query)
x = list()
for r in res:
print r
if not r.has_key('c'):
t = ("Base: " + r['a']['value'], "First Child: " + r['b']['value'])
else:
t = ("Base: " + r['a']['value'], "First Child: " + r['b']['value'], "Second Child: " + r['c']['value'])
if not t in x:
x.append(t)
print x
with open('subtyping_errors.json', 'w') as outfile:
json.dump(x, outfile)示例5: __init__
# 需要导入模块: from connection import Connection [as 别名]
# 或者: from connection.Connection import query [as 别名]
class Entity:
def __init__(self, fn):
json_data = open(fn)
data = json.load(json_data)
#self.context = data['@context']
if 'properties' in data:
self.properties = data['properties']
else:
self.properties = None
self.id = data['@id']
self.type = data['@type']
self.env = Environment(loader=FileSystemLoader('tmpl'))
self.connection = Connection('http://triples.101companies.org:8080/openrdf-sesame/')
self.connection.use_repository('sandbox')
self.connection.addnamespace('onto', 'http://101companies.org/ontology#')
self.connection.addnamespace('res', 'http://101companies.org/resources#')
def checkCardinality(self):
template = self.env.get_template('cardinalityCheck')
type = self.id
if self.properties is None:
return
for prop in self.properties:
p = prop['property']
c = int(prop['minCardinality'])
print "Cardinality check for class: %s and relationship: %s" % (type, p)
query = template.render(ontoClass=type, relationship=p)
res2 = self.connection.query(query)
for r in res2:
#print ">># of relationships declared: %s" % r['count']['value']
if int(r['count']['value']) >= 0:
#print r
#print r['count']['value']
v = int(r['count']['value'])
if v < c:
print "ERROR"
def checkRelationsExistance(self):
print "Existence check"
template = self.env.get_template('existenceCheck')
if self.properties is None:
return
for prop in self.properties:
p = prop['property']
query = template.render(ontoClass=self.id, relationship=p)
res1 = self.connection.query(query)
for r in res1:
print ">>", r
@staticmethod
def checkHirerarchy():
env = Environment(loader=FileSystemLoader('tmpl'))
connection = Connection('http://triples.101companies.org:8080/openrdf-sesame/')
connection.use_repository('sandbox')
connection.addnamespace('onto', 'http://101companies.org/ontology#')
connection.addnamespace('res', 'http://101companies.org/resources#')
template = env.get_template('subtypeCheck')
print "Subtyping check"
query = template.render()
res = connection.query(query)
x = list()
for r in res:
print r
if not r.has_key('c'):
t = ("Base: " + r['a']['value'], "First Child: " + r['b']['value'])
else:
t = ("Base: " + r['a']['value'], "First Child: " + r['b']['value'], "Second Child: " + r['c']['value'])
if not t in x:
x.append(t)
print x
with open('subtyping_errors.json', 'w') as outfile:
json.dump(x, outfile)