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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/quoting.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/savepoints.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/transaction.rb2
11 files changed, 22 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
index 627b753f01..c11b7b012f 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "thread"
require "concurrent/map"
require "monitor"
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb
index 407e019326..7a9e7add24 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
module ConnectionAdapters # :nodoc:
module DatabaseLimits
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
index 879626b72a..f2715cdab0 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
module ConnectionAdapters # :nodoc:
module DatabaseStatements
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 c352ddfc11..077e8beba9 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
module ConnectionAdapters # :nodoc:
module QueryCache
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
index de78c6db44..b637518fc8 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "active_support/core_ext/big_decimal/conversions"
require "active_support/multibyte/chars"
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/savepoints.rb b/activerecord/lib/active_record/connection_adapters/abstract/savepoints.rb
index 3a06f75292..52a796b926 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/savepoints.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/savepoints.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
module ConnectionAdapters
module Savepoints
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
index 8865e7c703..8bf3879a4c 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "active_support/core_ext/string/strip"
module ActiveRecord
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
index a30fbe0e05..3b2c51ef94 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
module ConnectionAdapters #:nodoc:
# Abstract representation of an index definition on a table. Instances of
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
index 34036d8a1d..9be26254b2 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
module ConnectionAdapters # :nodoc:
# The goal of this module is to move Adapter specific column
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 475463c4fd..989ebc81a9 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require_relative "../../migration/join_table"
require "active_support/core_ext/string/access"
require "digest"
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
index f63d09039f..147e16e9fa 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/transaction.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveRecord
module ConnectionAdapters
class TransactionState