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authorPiotr Sarnacki <drogus@gmail.com>2012-05-19 23:52:22 -0700
committerPiotr Sarnacki <drogus@gmail.com>2012-05-19 23:55:11 -0700
commit0d73d6e7b6dd1900f105397460b777ef6c03d3b6 (patch)
treeba68b542c53fc300e2e744e212cec4a73253f1ee /activerecord/lib/active_record/validations
parentf7d01ecf753ab8db3ba1b0a10586590b0855a31a (diff)
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Fix uniqueness validator with `allow_nil: false` also for mysql
MySQL's adapter was changing value for case sensitive comparison. We don't need to do it for `nil`.
Diffstat (limited to 'activerecord/lib/active_record/validations')
-rw-r--r--activerecord/lib/active_record/validations/uniqueness.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb
index 2e2bcec922..154aacef9f 100644
--- a/activerecord/lib/active_record/validations/uniqueness.rb
+++ b/activerecord/lib/active_record/validations/uniqueness.rb
@@ -60,7 +60,7 @@ module ActiveRecord
# will use SQL LOWER function before comparison, unless it detects a case insensitive collation
relation = klass.connection.case_insensitive_comparison(table, attribute, column, value)
else
- value = klass.connection.case_sensitive_modifier(value)
+ value = klass.connection.case_sensitive_modifier(value) if value
relation = table[attribute].eq(value)
end