本文整理汇总了Python中eulexistdb.query.Xquery.xq_var方法的典型用法代码示例。如果您正苦于以下问题：Python Xquery.xq_var方法的具体用法？Python Xquery.xq_var怎么用？Python Xquery.xq_var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eulexistdb.query.Xquery的用法示例。
在下文中一共展示了Xquery.xq_var方法的8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: test_return_also_raw
# 需要导入模块: from eulexistdb.query import Xquery [as 别名]
# 或者: from eulexistdb.query.Xquery import xq_var [as 别名]
def test_return_also_raw(self):
xq = Xquery(xpath='/el')
xq.xq_var = '$n'
xq._raw_prefix = 'r_'
xq.return_also({'myid': 'count(util:expand(%(xq_var)s/@id))'}, raw=True)
self.assert_('<r_myid>{count(util:expand($n/@id))}</r_myid>' in xq._constructReturn())
xq = Xquery(xpath='/el')
xq.xq_var = '$n'
xq._raw_prefix = 'r_'
xq.return_also({'myid': '@id'}, raw=True)
self.assert_('<r_myid>{@id}</r_myid>' in xq._constructReturn())示例2: test_prep_xpath
# 需要导入模块: from eulexistdb.query import Xquery [as 别名]
# 或者: from eulexistdb.query.Xquery import xq_var [as 别名]
def test_prep_xpath(self):
xq = Xquery()
xq.xq_var = '$n'
# handle attributes
self.assertEqual('<field>{$n/@id}</field>', xq.prep_xpath('@id', return_field=True))
self.assertEqual('<field>{$n/../@id}</field>', xq.prep_xpath('../@id', return_field=True))
self.assertEqual('<field>{$n/parent::root/@id}</field>', xq.prep_xpath('parent::root/@id', return_field=True))
# handle regular nodes
self.assertEqual('<field>{$n/title}</field>', xq.prep_xpath('title', return_field=True))
# function call - regular node
self.assertEqual('substring($n/title,1,1)', xq.prep_xpath('substring(title,1,1)'))
# function call - abbreviated step
self.assertEqual('substring($n/.,1,1)', xq.prep_xpath('substring(.,1,1)'))
# xpath with OR - absolute paths
self.assertEqual('<field>{$n/name|$n/title}</field>', xq.prep_xpath('/name|/title', return_field=True))
# xpath with OR - relative paths
self.assertEqual('<field>{$n/name|$n/title}</field>', xq.prep_xpath('name|title', return_field=True))
# xpath with OR - mixed absolute and relative paths
self.assertEqual('<field>{$n/name|$n/title}</field>', xq.prep_xpath('/name|title', return_field=True))
# multiple ORs
self.assertEqual('<field>{$n/name|$n/title|$n/@year}</field>',
xq.prep_xpath('/name|/title|@year', return_field=True))
# .//node inside a function call
self.assertEqual('<field>{normalize-space($n/.//name)}</field>',
xq.prep_xpath('normalize-space($n/.//name)', return_field=True))
# node|node inside a function call
self.assertEqual('fn:lower-case($n/name|$n/title)',
xq.prep_xpath('fn:lower-case(name|title)'))示例3: test_set_limits
# 需要导入模块: from eulexistdb.query import Xquery [as 别名]
# 或者: from eulexistdb.query.Xquery import xq_var [as 别名]
def test_set_limits(self):
# subsequence with xpath
xq = Xquery(xpath='/el')
xq.xq_var = '$n'
xq.set_limits(low=0, high=4)
self.assertEqual('subsequence(/el, 1, 4)', xq.getQuery())
# subsequence with FLWR query
xq.return_only({'name': 'name'})
self.assert_('subsequence(for $n in' in xq.getQuery())
# additive limits
xq = Xquery(xpath='/el')
xq.set_limits(low=2, high=10)
xq.set_limits(low=1, high=5)
self.assertEqual('subsequence(/el, 4, 4)', xq.getQuery())
# no high specified
xq = Xquery(xpath='/el')
xq.set_limits(low=10)
self.assertEqual('subsequence(/el, 11, )', xq.getQuery())
# no low
xq = Xquery(xpath='/el')
xq.set_limits(high=15)
self.assertEqual('subsequence(/el, 1, 15)', xq.getQuery())示例4: test_return_only
# 需要导入模块: from eulexistdb.query import Xquery [as 别名]
# 或者: from eulexistdb.query.Xquery import xq_var [as 别名]
def test_return_only(self):
xq = Xquery(xpath='/el')
xq.xq_var = '$n'
xq.return_only({'myid': '@id', 'some_name': 'name',
'first_letter': 'substring(@n,1,1)'})
xq_return = xq._constructReturn()
self.assert_('return <el>' in xq_return)
self.assert_('<field>{$n/@id}</field>' in xq_return)
self.assert_('<field>{$n/name}</field>' in xq_return)
self.assert_('<field>{substring($n/@n,1,1)}</field>' in xq_return)
self.assert_('</el>' in xq_return)
xq = Xquery(xpath='/some/el/notroot')
xq.return_only({'id': '@id'})
self.assert_('return <notroot>' in xq._constructReturn())
# case where node test can't be the return element
xq = Xquery(xpath='/foo/bar/node()')
xq.return_only({'myid': '@id'})
xq_return = xq._constructReturn()
self.assert_('return <node>' in xq_return)
xq = Xquery(xpath='/foo/bar/*')
xq.return_only({'myid': '@id'})
xq_return = xq._constructReturn()
self.assert_('return <node>' in xq_return)示例5: test_sort
# 需要导入模块: from eulexistdb.query import Xquery [as 别名]
# 或者: from eulexistdb.query.Xquery import xq_var [as 别名]
def test_sort(self):
xq = Xquery(collection="mycoll")
xq.xq_var = '$n'
xq.sort('@id')
self.assert_('order by $n/@id ascending' in xq.getQuery())
self.assert_('collection("/db/mycoll")' in xq.getQuery())
# prep_xpath function should clean up more complicated xpaths
xq.sort('name|@id')
self.assert_('order by $n/name|$n/@id' in xq.getQuery())
# sort descending
xq.sort('@id', ascending=False)
self.assert_('order by $n/@id descending' in xq.getQuery())
# sort case-insensitive
xq.sort('@id', case_insensitive=True)
self.assert_('order by fn:lower-case($n/@id) ascending' in xq.getQuery())
# case-insensitive and descending
xq.sort('@id', case_insensitive=True, ascending=False)
self.assert_('order by fn:lower-case($n/@id) descending' in xq.getQuery())示例6: test_return_also__highlight
# 需要导入模块: from eulexistdb.query import Xquery [as 别名]
# 或者: from eulexistdb.query.Xquery import xq_var [as 别名]
def test_return_also__highlight(self):
xq = Xquery(xpath='/el')
xq.xq_var = '$n'
xq.return_also({'fulltext_score': ''})
xq.add_filter('.', 'highlight', 'dog star')
self.assert_('(/el[ft:query(., "dog star")]|/el)' in xq.getQuery())示例7: test_return_also__fulltext_score
# 需要导入模块: from eulexistdb.query import Xquery [as 别名]
# 或者: from eulexistdb.query.Xquery import xq_var [as 别名]
def test_return_also__fulltext_score(self):
xq = Xquery(xpath='/el')
xq.xq_var = '$n'
xq.return_also({'fulltext_score': ''})
self.assert_('let $fulltext_score := ft:score($n)' in xq.getQuery())
self.assert_('<fulltext_score>{$fulltext_score}</fulltext_score>' in xq._constructReturn())示例8: test_return_also
# 需要导入模块: from eulexistdb.query import Xquery [as 别名]
# 或者: from eulexistdb.query.Xquery import xq_var [as 别名]
def test_return_also(self):
xq = Xquery(xpath='/el')
xq.xq_var = '$n'
xq.return_also({'myid': '@id', 'some_name': 'name'})
self.assert_('{$n}' in xq._constructReturn())
self.assert_('<field>{$n/@id}</field>' in xq._constructReturn())