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-rw-r--r--activerecord/lib/active_record/associations.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb15
2 files changed, 9 insertions, 8 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index 1c5a737696..830c633c36 100644
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -1435,7 +1435,7 @@ module ActiveRecord
# belongs_to :firm, foreign_key: "client_of"
# belongs_to :person, primary_key: "name", foreign_key: "person_name"
# belongs_to :author, class_name: "Person", foreign_key: "author_id"
- # belongs_to :valid_coupon, ->(o) { where "discounts > #{o.payments_count}" },
+ # belongs_to :valid_coupon, ->(o) { where "discounts > ?", o.payments_count },
# class_name: "Coupon", foreign_key: "coupon_id"
# belongs_to :attachable, polymorphic: true
# belongs_to :project, readonly: true
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index 10753defc2..4957e1ac80 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -43,13 +43,14 @@ module ActiveRecord
# index_exists?(:suppliers, :company_id, name: "idx_company_id")
#
def index_exists?(table_name, column_name, options = {})
- column_names = Array(column_name)
- index_name = options.key?(:name) ? options[:name].to_s : index_name(table_name, :column => column_names)
- if options[:unique]
- indexes(table_name).any?{ |i| i.unique && i.name == index_name }
- else
- indexes(table_name).any?{ |i| i.name == index_name }
- end
+ column_names = Array(column_name).map(&:to_s)
+ index_name = options.key?(:name) ? options[:name].to_s : index_name(table_name, column: column_names)
+ checks = []
+ checks << lambda { |i| i.name == index_name }
+ checks << lambda { |i| i.columns == column_names }
+ checks << lambda { |i| i.unique } if options[:unique]
+
+ indexes(table_name).any? { |i| checks.all? { |check| check[i] } }
end
# Returns an array of Column objects for the table specified by +table_name+.