def test_incomplete_routing_map(self):
crm = _CollectionRoutingMap.CompleteRoutingMap([
({
'id': "2",
'minInclusive': "",
'maxExclusive': "0000000030"
}, 2),
({
'id': "3",
'minInclusive': "0000000031",
'maxExclusive': "FF"
}, 2),
], "")
self.assertIsNone(crm)
crm = _CollectionRoutingMap.CompleteRoutingMap([
({
'id': "2",
'minInclusive': "",
'maxExclusive': "0000000030"
}, 2),
({
'id': "2",
'minInclusive': "0000000030",
'maxExclusive': "FF"
}, 2),
], "")
self.assertIsNotNone(crm)
def test_advanced(self):
partition_key_ranges = [{
u'id': u'0',
u'minInclusive': u'',
u'maxExclusive': u'05C1C9CD673398'
}, {
u'id': u'1',
u'minInclusive': u'05C1C9CD673398',
u'maxExclusive': u'05C1D9CD673398'
}, {
u'id': u'2',
u'minInclusive': u'05C1D9CD673398',
u'maxExclusive': u'05C1E399CD6732'
}, {
u'id': u'3',
u'minInclusive': u'05C1E399CD6732',
u'maxExclusive': u'05C1E9CD673398'
}, {
u'id': u'4',
u'minInclusive': u'05C1E9CD673398',
u'maxExclusive': u'FF'
}]
partitionRangeWithInfo = [(r, True) for r in partition_key_ranges]
pkRange = routing_range._Range("", "FF", True, False)
collection_routing_map = _CollectionRoutingMap.CompleteRoutingMap(
partitionRangeWithInfo, 'sample collection id')
overlapping_partition_key_ranges = collection_routing_map.get_overlapping_ranges(
pkRange)
self.assertEqual(len(overlapping_partition_key_ranges),
len(partition_key_ranges))
self.assertEqual(overlapping_partition_key_ranges,
partition_key_ranges)
def get_overlapping_ranges(self, collection_link, partition_key_ranges):
'''
Given a partition key range and a collection,
returns the list of overlapping partition key ranges
:param str collection_link:
The name of the collection.
:param list partition_key_range:
List of partition key range.
:return:
List of overlapping partition key ranges.
:rtype: list
'''
cl = self._documentClient
collection_id = base.GetResourceIdOrFullNameFromLink(collection_link)
collection_routing_map = self._collection_routing_map_by_item.get(
collection_id)
if collection_routing_map is None:
collection_pk_ranges = list(
cl._ReadPartitionKeyRanges(collection_link))
# for large collections, a split may complete between the read partition key ranges query page responses,
# causing the partitionKeyRanges to have both the children ranges and their parents. Therefore, we need
# to discard the parent ranges to have a valid routing map.
collection_pk_ranges = _PartitionKeyRangeCache._discard_parent_ranges(
collection_pk_ranges)
collection_routing_map = _CollectionRoutingMap.CompleteRoutingMap(
[(r, True) for r in collection_pk_ranges], collection_id)
self._collection_routing_map_by_item[
collection_id] = collection_routing_map
return collection_routing_map.get_overlapping_ranges(
partition_key_ranges)
def createRoutingMap():
_CollectionRoutingMap.CompleteRoutingMap(partitionKeyRanges,
collectionUniqueId)
def test_collection_routing_map(self):
Id = 'id'
MinInclusive = 'minInclusive'
MaxExclusive = 'maxExclusive'
partitionKeyRanges = \
[
({Id : "2",
MinInclusive : "0000000050",
MaxExclusive : "0000000070"},
2),
({Id : "0",
MinInclusive : "",
MaxExclusive : "0000000030"},
0),
({Id : "1",
MinInclusive : "0000000030",
MaxExclusive : "0000000050"},
1),
({Id : "3",
MinInclusive : "0000000070",
MaxExclusive : "FF"},
3)
]
crm = _CollectionRoutingMap.CompleteRoutingMap(partitionKeyRanges, "")
self.assertEqual("0", crm._orderedPartitionKeyRanges[0][Id])
self.assertEqual("1", crm._orderedPartitionKeyRanges[1][Id])
self.assertEqual("2", crm._orderedPartitionKeyRanges[2][Id])
self.assertEqual("3", crm._orderedPartitionKeyRanges[3][Id])
self.assertEqual(0, crm._orderedPartitionInfo[0])
self.assertEqual(1, crm._orderedPartitionInfo[1])
self.assertEqual(2, crm._orderedPartitionInfo[2])
self.assertEqual(3, crm._orderedPartitionInfo[3])
self.assertEqual("0", crm.get_range_by_effective_partition_key("")[Id])
self.assertEqual(
"0",
crm.get_range_by_effective_partition_key("0000000000")[Id])
self.assertEqual(
"1",
crm.get_range_by_effective_partition_key("0000000030")[Id])
self.assertEqual(
"1",
crm.get_range_by_effective_partition_key("0000000031")[Id])
self.assertEqual(
"3",
crm.get_range_by_effective_partition_key("0000000071")[Id])
self.assertEqual("0", crm.get_range_by_partition_key_range_id("0")[Id])
self.assertEqual("1", crm.get_range_by_partition_key_range_id("1")[Id])
fullRangeMinToMaxRange = routing_range._Range(
_CollectionRoutingMap.MinimumInclusiveEffectivePartitionKey,
_CollectionRoutingMap.MaximumExclusiveEffectivePartitionKey, True,
False)
overlappingRanges = crm.get_overlapping_ranges(
[fullRangeMinToMaxRange])
self.assertEqual(4, len(overlappingRanges))
onlyParitionRanges = [item[0] for item in partitionKeyRanges]
def getKey(r):
return r['id']
onlyParitionRanges.sort(key=getKey)
self.assertEqual(overlappingRanges, onlyParitionRanges)
noPoint = routing_range._Range(
_CollectionRoutingMap.MinimumInclusiveEffectivePartitionKey,
_CollectionRoutingMap.MinimumInclusiveEffectivePartitionKey, False,
False)
self.assertEqual(0, len(crm.get_overlapping_ranges([noPoint])))
onePoint = routing_range._Range("0000000040", "0000000040", True, True)
overlappingPartitionKeyRanges = crm.get_overlapping_ranges([onePoint])
self.assertEqual(1, len(overlappingPartitionKeyRanges))
self.assertEqual("1", overlappingPartitionKeyRanges[0][Id])
ranges = [
routing_range._Range("0000000040", "0000000045", True, True),
routing_range._Range("0000000045", "0000000046", True, True),
routing_range._Range("0000000046", "0000000050", True, True)
]
overlappingPartitionKeyRanges = crm.get_overlapping_ranges(ranges)
self.assertEqual(2, len(overlappingPartitionKeyRanges))
self.assertEqual("1", overlappingPartitionKeyRanges[0][Id])
self.assertEqual("2", overlappingPartitionKeyRanges[1][Id])