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Fixes #11539: Use BooleanFilter for 'empty' lookups (#11784)

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* Use BooleanFilter for 'empty' lookups

* Always use BooleanFilter for 'empty' lookups

* Restore Empty lookup logic
This commit is contained in:
Jeremy Stretch
2023-05-25 15:20:08 -04:00
committed by GitHub
parent bf1c191b2e
commit 24a51dd86e
2 changed files with 17 additions and 6 deletions
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12
netbox/extras/lookups.py
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@@ -7,12 +7,14 @@ class Empty(Lookup):
Filter on whether a string is empty.
"""
lookup_name = 'empty'
prepare_rhs = False
def as_sql(self, qn, connection):
lhs, lhs_params = self.process_lhs(qn, connection)
rhs, rhs_params = self.process_rhs(qn, connection)
params = lhs_params + rhs_params
return 'CAST(LENGTH(%s) AS BOOLEAN) != %s' % (lhs, rhs), params
def as_sql(self, compiler, connection):
sql, params = compiler.compile(self.lhs)
if self.rhs:
return f"CAST(LENGTH({sql}) AS BOOLEAN) IS NOT TRUE", params
else:
return f"CAST(LENGTH({sql}) AS BOOLEAN) IS TRUE", params
class NetContainsOrEquals(Lookup):