本文整理汇总了Python中db.Db.query方法的典型用法代码示例。如果您正苦于以下问题：Python Db.query方法的具体用法？Python Db.query怎么用？Python Db.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db.Db的用法示例。
在下文中一共展示了Db.query方法的3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: load_evolutionary_dependencies_from_db
# 需要导入模块: from db import Db [as 别名]
# 或者: from db.Db import query [as 别名]
def load_evolutionary_dependencies_from_db():
db = Db()
repository_id = constants.repository_map[args.repository]
types = 'CN,CM,FE,MT'
if args.coarse_grained:
types = 'CL,IN'
graphs_ed = {}
cursor = db.query("""select g.id, g.source, g.max_entities, g.min_confidence,
g.min_support, g.min_date, g.types, de.entidade1, de.entidade2, e.caminho
from dependencias_evolucionarias de
inner join grafos_de g on de.grafo = g.id
inner join entidades e on de.entidade2 = e.id
where g.repositorio = %s and g.types = %s""",
(repository_id,types))
for (id, source, max_entitites, min_confidence, min_support, min_date, types, entity1, entity2, e2_path) in cursor:
if id not in graphs_ed:
graphs_ed[id] = {
'source': source,
'max_entitites': max_entitites,
'min_confidence': min_confidence,
'min_support': min_support,
'min_date': min_date,
'types': types,
'dependencies': {}
}
if entity1 not in graphs_ed[id]['dependencies']:
graphs_ed[id]['dependencies'][entity1] = []
entity2_java_name = to_java_convention(e2_path, args.repository, True)
graphs_ed[id]['dependencies'][entity1].append(entity2_java_name)
db.close()
return graphs_ed示例2: load_entities_from_db
# 需要导入模块: from db import Db [as 别名]
# 或者: from db.Db import query [as 别名]
def load_entities_from_db():
db = Db()
repository_id = constants.repository_map[args.repository]
prefixes = constants.repository_prefixes[args.repository]['db']
db_entities = {}
sql_args = (repository_id,)
prefixes_str = ''
for prefix in prefixes:
sql_args += (prefix + '%',)
if len(prefixes_str) > 0: prefixes_str += ' or '
prefixes_str += 'caminho like %s'
cursor = db.query(
"select id, caminho from entidades where repositorio = %s and (" + prefixes_str + ")", sql_args)
for (id, path) in cursor:
key = to_java_convention(path, args.repository, True)
if not key in db_entities: db_entities[key] = {'id': id, 'path': path}
db.close()
return db_entities示例3: in_str
# 需要导入模块: from db import Db [as 别名]
# 或者: from db.Db import query [as 别名]
(s, types) = in_str(args.types.split(','))
db = Db()
repository_id = constants.repository_map[args.repository]
graph = {}
entities = []
previous_id = None
if args.store_on_db:
graphs = db.query("""select id
from grafos_de
where repositorio=%s
and source=%s
and max_entities=%s
and min_confidence=%s
and min_support=%s
and min_date=%s
and types=%s""",
(repository_id,args.source,args.max_entities,args.min_confidence,args.min_support,args.min_date,args.types), cursor=False)
if len(graphs) == 0:
graph_id = db.insert("insert into grafos_de(repositorio,source,max_entities,min_confidence,min_support,min_date,types) values (%s,%s,%s,%s,%s,%s,%s)",
(repository_id,args.source,args.max_entities,args.min_confidence,args.min_support,args.min_date,args.types))
else:
graph_id = graphs[0][0]
db.delete("delete from dependencias_evolucionarias where grafo = %s", (graph_id,))
cursor = db.query(sql[args.source].replace('?in?', s), (repository_id, args.min_date) + types)
for (id, entity) in cursor:
if previous_id != id: