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relational
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Use lists for partial content 

So conversion to set is done only once.
master
Salvo 'LtWorf' Tomaselli 2020-08-15 09:17:23 +07:00
parent 683ff6f26d
commit 519cc35b18
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1 changed files with 7 additions and 7 deletions
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14
relational/relation.py
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@ -118,7 +118,7 @@ class Relation(NamedTuple):
except:
raise Exception('Failed to compile expression: %s' % expr)
content = set()
content = []
for i in self.content:
# Fills the attributes dictionary with the values of the tuple
attributes = {attr: i[j].autocast()
@ -127,7 +127,7 @@ class Relation(NamedTuple):
try:
if eval(c_expr, attributes):
content.add(i)
content.append(i)
except Exception as e:
raise Exception(
"Failed to evaluate %s\n%s" % (expr, e.__str__()))
@ -277,7 +277,7 @@ class Relation(NamedTuple):
# Non shared ids of the other relation
noid = [i for i in range(len(other.header)) if i not in oid]
content = set()
content = []
for i in self.content:
# Tuple partecipated to the join?
added = False
@ -289,12 +289,12 @@ class Relation(NamedTuple):
if match:
item = chain(i, (j[l] for l in noid))
content.add(tuple(item))
content.append(tuple(item))
added = True
# If it didn't partecipate, adds it
if not added:
item = chain(i, repeat(Rstring('---'), len(noid)))
content.add(tuple(item))
content.append(tuple(item))
return Relation(header, frozenset(content))
@ -320,7 +320,7 @@ class Relation(NamedTuple):
# Non shared ids of the other relation
noid = [i for i in range(len(other.header)) if i not in oid]
content = set()
content = []
for i in self.content:
for j in other.content:
match = True
@ -329,7 +329,7 @@ class Relation(NamedTuple):
if match:
item = chain(i, (j[l] for l in noid))
content.add(tuple(item))
content.append(tuple(item))
return Relation(header, frozenset(content))