本文整理汇总了Python中sqlparse.sql.Where方法的典型用法代码示例。如果您正苦于以下问题：Python sql.Where方法的具体用法？Python sql.Where怎么用？Python sql.Where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sqlparse.sql的用法示例。
在下文中一共展示了sql.Where方法的6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: group_where
# 需要导入模块: from sqlparse import sql [as 别名]
# 或者: from sqlparse.sql import Where [as 别名]
def group_where(tlist):
[group_where(sgroup) for sgroup in tlist.get_sublists()
if not isinstance(sgroup, sql.Where)]
idx = 0
token = tlist.token_next_match(idx, T.Keyword, 'WHERE')
stopwords = ('ORDER', 'GROUP', 'LIMIT', 'UNION', 'EXCEPT', 'HAVING')
while token:
tidx = tlist.token_index(token)
end = tlist.token_next_match(tidx + 1, T.Keyword, stopwords)
if end is None:
end = tlist._groupable_tokens[-1]
else:
end = tlist.tokens[tlist.token_index(end) - 1]
group = tlist.group_tokens(sql.Where,
tlist.tokens_between(token, end),
ignore_ws=True)
idx = tlist.token_index(group)
token = tlist.token_next_match(idx, T.Keyword, 'WHERE') 示例2: group_where
# 需要导入模块: from sqlparse import sql [as 别名]
# 或者: from sqlparse.sql import Where [as 别名]
def group_where(tlist):
tidx, token = tlist.token_next_by(m=sql.Where.M_OPEN)
while token:
eidx, end = tlist.token_next_by(m=sql.Where.M_CLOSE, idx=tidx)
if end is None:
end = tlist._groupable_tokens[-1]
else:
end = tlist.tokens[eidx - 1]
# TODO: convert this to eidx instead of end token.
# i think above values are len(tlist) and eidx-1
eidx = tlist.token_index(end)
tlist.group_tokens(sql.Where, tidx, eidx)
tidx, token = tlist.token_next_by(m=sql.Where.M_OPEN, idx=tidx) 示例3: test_identifiers
# 需要导入模块: from sqlparse import sql [as 别名]
# 或者: from sqlparse.sql import Where [as 别名]
def test_identifiers(self):
s = 'select foo.bar from "myscheme"."table" where fail. order'
parsed = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(parsed))
self.assert_(isinstance(parsed.tokens[2], sql.Identifier))
self.assert_(isinstance(parsed.tokens[6], sql.Identifier))
self.assert_(isinstance(parsed.tokens[8], sql.Where))
s = 'select * from foo where foo.id = 1'
parsed = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(parsed))
self.assert_(isinstance(parsed.tokens[-1].tokens[-1].tokens[0],
sql.Identifier))
s = 'select * from (select "foo"."id" from foo)'
parsed = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(parsed))
self.assert_(isinstance(parsed.tokens[-1].tokens[3], sql.Identifier))
s = "INSERT INTO `test` VALUES('foo', 'bar');"
parsed = sqlparse.parse(s)[0]
types = [l.ttype for l in parsed.tokens if not l.is_whitespace()]
self.assertEquals(types, [T.DML, T.Keyword, None,
T.Keyword, None, T.Punctuation])
s = "select 1.0*(a+b) as col, sum(c)/sum(d) from myschema.mytable"
parsed = sqlparse.parse(s)[0]
self.assertEqual(len(parsed.tokens), 7)
self.assert_(isinstance(parsed.tokens[2], sql.IdentifierList))
self.assertEqual(len(parsed.tokens[2].tokens), 4)
identifiers = list(parsed.tokens[2].get_identifiers())
self.assertEqual(len(identifiers), 2)
self.assertEquals(identifiers[0].get_alias(), u"col") 示例4: test_where
# 需要导入模块: from sqlparse import sql [as 别名]
# 或者: from sqlparse.sql import Where [as 别名]
def test_where(self):
s = 'select * from foo where bar = 1 order by id desc'
p = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(p))
self.assertTrue(len(p.tokens), 16)
s = 'select x from (select y from foo where bar = 1) z'
p = sqlparse.parse(s)[0]
self.ndiffAssertEqual(s, unicode(p))
self.assertTrue(isinstance(p.tokens[-1].tokens[0].tokens[-2], sql.Where)) 示例5: group_where
# 需要导入模块: from sqlparse import sql [as 别名]
# 或者: from sqlparse.sql import Where [as 别名]
def group_where(tlist):
def end_match(token):
stopwords = ('ORDER', 'GROUP', 'LIMIT', 'UNION', 'EXCEPT', 'HAVING',
'WHEN', # for Oracle10g merge
'CONNECT', # for Oracle connect by
)
if token.match(T.Keyword, stopwords):
return True
if token.match(T.DML, ('DELETE')): # for Oracle10g merge
return True
if token.match(T.DML, ('START')): # for Oracle connect by
return True
return False
[group_where(sgroup) for sgroup in tlist.get_sublists()
if not isinstance(sgroup, sql.Where)]
idx = 0
token = tlist.token_next_match(idx, T.Keyword, 'WHERE')
while token:
tidx = tlist.token_index(token)
end = tlist.token_matching(tidx + 1, (end_match, ))
if end is None:
end = tlist._groupable_tokens[-1]
else:
end = tlist.tokens[tlist.token_index(end) - 1]
group = tlist.group_tokens(sql.Where,
tlist.tokens_between(token, end),
ignore_ws=True)
idx = tlist.token_index(group)
token = tlist.token_next_match(idx, T.Keyword, 'WHERE') 示例6: is_where
# 需要导入模块: from sqlparse import sql [as 别名]
# 或者: from sqlparse.sql import Where [as 别名]
def is_where(token):
"""
WHERE句判定
"""
return isinstance(token, sql.Where)