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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb3
1 files changed, 3 insertions, 0 deletions
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 d5ae4058ed..e95e97e4a8 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -688,6 +688,9 @@ module ActiveRecord
if options[:null] == false
sql << " NOT NULL"
end
+ if options[:auto_increment] == true
+ sql << " AUTO_INCREMENT"
+ end
end
# SELECT DISTINCT clause for a given set of columns and a given ORDER BY clause.