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relational
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More pythonic code

master
Salvo 'LtWorf' Tomaselli 2020-06-09 23:48:43 +07:00
parent d7145171de
commit 74e92d2211
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GPG Key ID: B3A7CF0C801886CF
1 changed files with 3 additions and 19 deletions
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22
relational/optimizations.py
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@ -515,13 +515,7 @@ def selection_and_product(n: parser.Node, rels: Dict[str, Relation]) -> parser.N
# Preparing left selection
if left:
l_prop = ''
while len(left) > 0:
c = left.pop(0)
for i in c:
l_prop += i + ' '
if len(left) > 0:
l_prop += ' and '
l_prop = ' and '.join((' '.join(i) for i in left))
if '(' in l_prop:
l_prop = '(%s)' % l_prop
l_node = parser.Unary(SELECTION, l_prop, n.child.left)
@ -530,12 +524,7 @@ def selection_and_product(n: parser.Node, rels: Dict[str, Relation]) -> parser.N
# Preparing right selection
if right:
r_prop = ''
while len(right) > 0:
c = right.pop(0)
r_prop += ' '.join(c)
if len(right) > 0:
r_prop += ' and '
r_prop = ' and '.join((' '.join(i) for i in right))
if '(' in r_prop:
r_prop = '(%s)' % r_prop
r_node = parser.Unary(SELECTION, r_prop, n.child.right)
@ -546,12 +535,7 @@ def selection_and_product(n: parser.Node, rels: Dict[str, Relation]) -> parser.N
# Changing main selection
if both:
both_prop = ''
while len(both) > 0:
c = both.pop(0)
both_prop += ' '.join(c)
if len(both) > 0:
both_prop += ' and '
both_prop = ' and '.join((' '.join(i) for i in both))
if '(' in both_prop:
both_prop = '(%s)' % both_prop
r = parser.Unary(SELECTION, both_prop, b_node)