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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb17
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb3
2 files changed, 6 insertions, 14 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb
index 2afd6064ad..81a2e56b34 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb
@@ -72,21 +72,12 @@ module ActiveRecord
private
def cache_sql(sql)
- result =
- if @query_cache.has_key?(sql)
- log_info(sql, "CACHE", 0.0)
- @query_cache[sql]
- else
- @query_cache[sql] = yield
- end
-
- if Array === result
- result.collect { |row| row.dup }
+ if @query_cache.has_key?(sql)
+ log_info(sql, "CACHE", 0.0)
+ @query_cache[sql]
else
- result.duplicable? ? result.dup : result
+ @query_cache[sql] = yield.freeze
end
- rescue TypeError
- result
end
end
end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 856435517a..74da0d9c85 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -761,7 +761,8 @@ module ActiveRecord
begin
execute "ALTER TABLE #{quoted_table_name} ALTER COLUMN #{quote_column_name(column_name)} TYPE #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"
- rescue ActiveRecord::StatementInvalid
+ rescue ActiveRecord::StatementInvalid => e
+ raise e if postgresql_version > 80000
# This is PostgreSQL 7.x, so we have to use a more arcane way of doing it.
begin
begin_db_transaction