fix decoding keys in query condition

This commit is contained in:
Peter Gorniak 2016-11-29 14:04:23 -08:00
parent 5a7c711a74
commit 2c50561563
2 changed files with 10 additions and 6 deletions

View File

@ -119,9 +119,9 @@ class Item(object):
value = value.lstrip(":").rstrip(",")
for k, v in expression_attribute_names.items():
value = value.replace(k, v)
if action == "REMOVE" or action == 'remove':
if action == "REMOVE":
self.attrs.pop(value, None)
elif action == 'SET' or action == 'set':
elif action == 'SET':
key, value = value.split("=")
key = key.strip()
value = value.strip()
@ -129,6 +129,8 @@ class Item(object):
self.attrs[key] = DynamoType(expression_attribute_values[value])
else:
self.attrs[key] = DynamoType({"S": value})
else:
raise NotImplementedError('{} update action not yet supported'.format(action))
def update_with_attribute_updates(self, attribute_updates):
for attribute_name, update_action in attribute_updates.items():
@ -323,7 +325,6 @@ class Table(object):
def query(self, hash_key, range_comparison, range_objs, limit,
exclusive_start_key, scan_index_forward, index_name=None, **filter_kwargs):
results = []
if index_name:
all_indexes = (self.global_indexes or []) + (self.indexes or [])
indexes_by_name = dict((i['IndexName'], i) for i in all_indexes)

View File

@ -279,19 +279,22 @@ class DynamoHandler(BaseResponse):
else:
index = table.schema
key_map = [column for _, column in sorted((k, v) for k, v in self.body['ExpressionAttributeNames'].items())]
reverse_attribute_lookup = {v: k for k, v in self.body['ExpressionAttributeNames'].iteritems()}
if " AND " in key_condition_expression:
expressions = key_condition_expression.split(" AND ", 1)
index_hash_key = [key for key in index if key['KeyType'] == 'HASH'][0]
hash_key_index_in_key_map = key_map.index(index_hash_key['AttributeName'])
hash_key_var = reverse_attribute_lookup.get(index_hash_key['AttributeName'], index_hash_key['AttributeName'])
i, hash_key_expression = ((i, e) for i, e in enumerate(expressions) if re.search(r'[\s(]#n1\b'.format(hash_key_var), e)).next()
hash_key_expression = hash_key_expression.strip('()')
expressions.pop(i)
hash_key_expression = expressions.pop(hash_key_index_in_key_map).strip('()')
# TODO implement more than one range expression and OR operators
range_key_expression = expressions[0].strip('()')
range_key_expression_components = range_key_expression.split()
range_comparison = range_key_expression_components[1]
if 'AND' in range_key_expression:
range_comparison = 'BETWEEN'
range_values = [