本文整理汇总了Python中MySQLdb.paramstyle方法的典型用法代码示例。如果您正苦于以下问题：Python MySQLdb.paramstyle方法的具体用法？Python MySQLdb.paramstyle怎么用？Python MySQLdb.paramstyle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MySQLdb的用法示例。
在下文中一共展示了MySQLdb.paramstyle方法的9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: query
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import paramstyle [as 别名]
def query(self, paramstyle=None):
"""
Returns the query part of the sql query.
>>> q = SQLQuery(["SELECT * FROM test WHERE name=", SQLParam('joe')])
>>> q.query()
'SELECT * FROM test WHERE name=%s'
>>> q.query(paramstyle='qmark')
'SELECT * FROM test WHERE name=?'
"""
s = []
for x in self.items:
if isinstance(x, SQLParam):
x = x.get_marker(paramstyle)
s.append(safestr(x))
else:
x = safestr(x)
# automatically escape % characters in the query
# For backward compatability, ignore escaping when the query looks already escaped
if paramstyle in ['format', 'pyformat']:
if '%' in x and '%%' not in x:
x = x.replace('%', '%%')
s.append(x)
return "".join(s) 示例2: __init__
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import paramstyle [as 别名]
def __init__(self, **keywords):
if 'pw' in keywords:
keywords['password'] = keywords.pop('pw')
db_module = import_driver(["psycopg2", "psycopg", "pgdb"], preferred=keywords.pop('driver', None))
if db_module.__name__ == "psycopg2":
import psycopg2.extensions
psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
if db_module.__name__ == "pgdb" and 'port' in keywords:
keywords["host"] += ":" + str(keywords.pop('port'))
# if db is not provided postgres driver will take it from PGDATABASE environment variable
if 'db' in keywords:
keywords['database'] = keywords.pop('db')
self.dbname = "postgres"
self.paramstyle = db_module.paramstyle
DB.__init__(self, db_module, keywords)
self.supports_multiple_insert = True
self._sequences = None 示例3: __init__
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import paramstyle [as 别名]
def __init__(self, **keywords):
if 'pw' in keywords:
keywords['password'] = keywords.pop('pw')
db_module = import_driver(["psycopg2", "psycopg", "pgdb"], preferred=keywords.pop('driver', None))
if db_module.__name__ == "psycopg2":
import psycopg2.extensions
psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
# if db is not provided postgres driver will take it from PGDATABASE environment variable
if 'db' in keywords:
keywords['database'] = keywords.pop('db')
self.dbname = "postgres"
self.paramstyle = db_module.paramstyle
DB.__init__(self, db_module, keywords)
self.supports_multiple_insert = True
self._sequences = None 示例4: __init__
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import paramstyle [as 别名]
def __init__(self, **keywords):
if 'pw' in keywords:
keywords['password'] = keywords.pop('pw')
db_module = import_driver(["psycopg2", "psycopg", "pgdb"], preferred=keywords.pop('driver', None))
if db_module.__name__ == "psycopg2":
import psycopg2.extensions
psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
if db_module.__name__ == "pgdb" and 'port' in keywords:
keywords["host"] += ":" + str(keywords.pop('port'))
# if db is not provided postgres driver will take it from PGDATABASE environment variable
if 'db' in keywords:
keywords['database'] = keywords.pop('db')
self.dbname = "postgres"
self.paramstyle = db_module.paramstyle
DB.__init__(self, db_module, keywords)
self.supports_multiple_insert = True
self._sequences = None 示例5: get_marker
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import paramstyle [as 别名]
def get_marker(self, paramstyle='pyformat'):
if paramstyle == 'qmark':
return '?'
elif paramstyle == 'numeric':
return ':1'
elif paramstyle is None or paramstyle in ['format', 'pyformat']:
return '%s'
raise UnknownParamstyle, paramstyle 示例6: _param_marker
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import paramstyle [as 别名]
def _param_marker(self):
"""Returns parameter marker based on paramstyle attribute if this database."""
style = getattr(self, 'paramstyle', 'pyformat')
if style == 'qmark':
return '?'
elif style == 'numeric':
return ':1'
elif style in ['format', 'pyformat']:
return '%s'
raise UnknownParamstyle, style 示例7: _process_query
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import paramstyle [as 别名]
def _process_query(self, sql_query):
"""Takes the SQLQuery object and returns query string and parameters.
"""
paramstyle = getattr(self, 'paramstyle', 'pyformat')
query = sql_query.query(paramstyle)
params = sql_query.values()
return query, params 示例8: get_marker
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import paramstyle [as 别名]
def get_marker(self, paramstyle='pyformat'):
if paramstyle == 'qmark':
return '?'
elif paramstyle == 'numeric':
return ':1'
elif paramstyle is None or paramstyle in ['format', 'pyformat']:
return '%s'
raise UnknownParamstyle(paramstyle) 示例9: _param_marker
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import paramstyle [as 别名]
def _param_marker(self):
"""Returns parameter marker based on paramstyle attribute if this database."""
style = getattr(self, 'paramstyle', 'pyformat')
if style == 'qmark':
return '?'
elif style == 'numeric':
return ':1'
elif style in ['format', 'pyformat']:
return '%s'
raise UnknownParamstyle(style)