本文整理汇总了Python中MySQLdb.update方法的典型用法代码示例。如果您正苦于以下问题：Python MySQLdb.update方法的具体用法？Python MySQLdb.update怎么用？Python MySQLdb.update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.update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: update
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import update [as 别名]
def update(self, tables, where, vars=None, _test=False, **values):
"""
Update `tables` with clause `where` (interpolated using `vars`)
and setting `values`.
>>> db = DB(None, {})
>>> name = 'Joseph'
>>> q = db.update('foo', where='name = $name', name='bob', age=2,
... created=SQLLiteral('NOW()'), vars=locals(), _test=True)
>>> q
<sql: "UPDATE foo SET age = 2, name = 'bob', created = NOW() WHERE name = 'Joseph'">
>>> q.query()
'UPDATE foo SET age = %s, name = %s, created = NOW() WHERE name = %s'
>>> q.values()
[2, 'bob', 'Joseph']
"""
if vars is None: vars = {}
where = self._where(where, vars)
query = (
"UPDATE " + sqllist(tables) +
" SET " + sqlwhere(values, ', ') +
" WHERE " + where)
if _test: return query
db_cursor = self._db_cursor()
self._db_execute(db_cursor, query)
if not self.ctx.transactions:
self.ctx.commit()
return db_cursor.rowcount 示例2: update
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import update [as 别名]
def update(self, tables, where, vars=None, _test=False, **values):
"""
Update `tables` with clause `where` (interpolated using `vars`)
and setting `values`.
>>> db = DB(None, {})
>>> name = 'Joseph'
>>> q = db.update('foo', where='name = $name', name='bob', age=2,
... created=SQLLiteral('NOW()'), vars=locals(), _test=True)
>>> q
<sql: "UPDATE foo SET age = 2, name = 'bob', created = NOW() WHERE name = 'Joseph'">
>>> q.query()
'UPDATE foo SET age = %s, name = %s, created = NOW() WHERE name = %s'
>>> q.values()
[2, 'bob', 'Joseph']
"""
if vars is None: vars = {}
where = self._where(where, vars)
query = (
"UPDATE " + sqllist(tables) +
" SET " + sqlwhere(values, ', ') +
" WHERE " + where)
if _test: return query
db_cursor = self._db_cursor()
self._db_execute(db_cursor, query)
if not self.ctx.transactions:
self.ctx.commit()
return db_cursor.rowcount 示例3: update
# 需要导入模块: import MySQLdb [as 别名]
# 或者: from MySQLdb import update [as 别名]
def update(self, tables, where, vars=None, _test=False, **values):
"""
Update `tables` with clause `where` (interpolated using `vars`)
and setting `values`.
>>> db = DB(None, {})
>>> name = 'Joseph'
>>> q = db.update('foo', where='name = $name', name='bob', age=2,
... created=SQLLiteral('NOW()'), vars=locals(), _test=True)
>>> q
<sql: "UPDATE foo SET age = 2, created = NOW(), name = 'bob' WHERE name = 'Joseph'">
>>> q.query()
'UPDATE foo SET age = %s, created = NOW(), name = %s WHERE name = %s'
>>> q.values()
[2, 'bob', 'Joseph']
"""
if vars is None: vars = {}
where = self._where(where, vars)
values = sorted(values.items(), key=lambda t: t[0])
query = (
"UPDATE " + sqllist(tables) +
" SET " + sqlwhere(values, ', ') +
" WHERE " + where)
if _test: return query
db_cursor = self._db_cursor()
self._db_execute(db_cursor, query)
if not self.ctx.transactions:
self.ctx.commit()
return db_cursor.rowcount