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Replaced set |= operator with update() to avoid temporary set.

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Jon Dufresne 2017-04-27 05:16:19 -07:00 • committed by Tim Graham
parent 59f8118c86
commit 7be94e0335
3 changed files with 4 additions and 7 deletions
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django/db/models/sql/query.py
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@ -1017,7 +1017,7 @@ class Query:
)
# The used_joins for a tuple of expressions is the union of
# the used_joins for the individual expressions.
used_joins |= set(k for k, v in self.alias_refcount.items() if v > pre_joins.get(k, 0))
used_joins.update(k for k, v in self.alias_refcount.items() if v > pre_joins.get(k, 0))
# For Oracle '' is equivalent to null. The check needs to be done
# at this stage because join promotion can't be done at compiler
# stage. Using DEFAULT_DB_ALIAS isn't nice, but it is the best we