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authorcoderick142017-05-17 15:40:18 +0530
committercoderick142017-05-17 15:41:00 +0530
commitfe407193c200e03070928c1e2c1a6e067d32893d (patch)
tree1c492aa814754b5db5d644c769f5382306217298 /lib/python2.7/site-packages/django/db/models/sql/datastructures.py
parent9a1393e8470d855762e699abca9911b9cdae6a7d (diff)
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Upgrade to Django 1.11
- Database integration yet to be tested
Diffstat (limited to 'lib/python2.7/site-packages/django/db/models/sql/datastructures.py')
-rw-r--r--lib/python2.7/site-packages/django/db/models/sql/datastructures.py62
1 files changed, 0 insertions, 62 deletions
diff --git a/lib/python2.7/site-packages/django/db/models/sql/datastructures.py b/lib/python2.7/site-packages/django/db/models/sql/datastructures.py
deleted file mode 100644
index daaabbe..0000000
--- a/lib/python2.7/site-packages/django/db/models/sql/datastructures.py
+++ /dev/null
@@ -1,62 +0,0 @@
-"""
-Useful auxilliary data structures for query construction. Not useful outside
-the SQL domain.
-"""
-
-class EmptyResultSet(Exception):
- pass
-
-class MultiJoin(Exception):
- """
- Used by join construction code to indicate the point at which a
- multi-valued join was attempted (if the caller wants to treat that
- exceptionally).
- """
- def __init__(self, names_pos, path_with_names):
- self.level = names_pos
- # The path travelled, this includes the path to the multijoin.
- self.names_with_path = path_with_names
-
-class Empty(object):
- pass
-
-class RawValue(object):
- def __init__(self, value):
- self.value = value
-
-class Date(object):
- """
- Add a date selection column.
- """
- def __init__(self, col, lookup_type):
- self.col = col
- self.lookup_type = lookup_type
-
- def relabeled_clone(self, change_map):
- return self.__class__((change_map.get(self.col[0], self.col[0]), self.col[1]))
-
- def as_sql(self, qn, connection):
- if isinstance(self.col, (list, tuple)):
- col = '%s.%s' % tuple([qn(c) for c in self.col])
- else:
- col = self.col
- return connection.ops.date_trunc_sql(self.lookup_type, col), []
-
-class DateTime(object):
- """
- Add a datetime selection column.
- """
- def __init__(self, col, lookup_type, tzname):
- self.col = col
- self.lookup_type = lookup_type
- self.tzname = tzname
-
- def relabeled_clone(self, change_map):
- return self.__class__((change_map.get(self.col[0], self.col[0]), self.col[1]))
-
- def as_sql(self, qn, connection):
- if isinstance(self.col, (list, tuple)):
- col = '%s.%s' % tuple([qn(c) for c in self.col])
- else:
- col = self.col
- return connection.ops.datetime_trunc_sql(self.lookup_type, col, self.tzname)