fix: Support for changes in Rails 7.2.0.

see:
rails/rails#50064
rails/rails@0016280#diff-9c10b17f0ee079f3e5294d17264e7e06986f6192cff165f6628fe99886c38c24L76
rails/rails@eabcff2#diff-88e231c48eb5559ac3be58a024b019e86f7c74d388f5d49fac3f4e47bf851cc6R516

.github/workflows/nightly-unit-tests.yaml

@@ -12,7 +12,7 @@ jobs:
       matrix:
         # Run acceptance tests all supported combinations of Ruby and ActiveRecord.
         ruby: ["2.7", "3.0", "3.1", "3.2", "3.3"]
-        ar: ["~> 6.1.0", "~> 7.0.0", "~> 7.1.0"]
+        ar: ["~> 6.1.0", "~> 7.0.0", "~> 7.1.0", "~> 7.2.0"]
         # Exclude combinations that are not supported.
         exclude:
           - ruby: "2.7"

lib/active_record/connection_adapters/spanner/database_statements.rb

@@ -21,15 +21,15 @@ def execute sql, name = nil, binds = []
           internal_execute sql, name, binds
         end
 
-        def internal_exec_query sql, name = "SQL", binds = [], prepare: false, async: false
-          result = internal_execute sql, name, binds, prepare: prepare, async: async
+        def internal_exec_query sql, name = "SQL", binds = [], prepare: false, async: false, allow_retry: false
+          result = internal_execute sql, name, binds, prepare: prepare, async: async, allow_retry: allow_retry
           ActiveRecord::Result.new(
             result.fields.keys.map(&:to_s), result.rows.map(&:values)
           )
         end
 
         def internal_execute sql, name = "SQL", binds = [],
-                             prepare: false, async: false # rubocop:disable Lint/UnusedMethodArgument
+                             prepare: false, async: false, allow_retry: false # rubocop:disable Lint/UnusedMethodArgument, Metrics/LineLength
           statement_type = sql_statement_type sql
           # Call `transform` to invoke any query transformers that might have been registered.
           sql = transform sql

lib/active_record/connection_adapters/spanner/quoting.rb

@@ -36,11 +36,11 @@ module Quoting
         QUOTED_TABLE_NAMES = Concurrent::Map.new # :nodoc:
 
         def quote_column_name name
-          QUOTED_COLUMN_NAMES[name] ||= "`#{super.gsub '`', '``'}`".freeze
+          QUOTED_COLUMN_NAMES[name] ||= "`#{name.to_s.gsub '`', '``'}`".freeze
         end
 
         def quote_table_name name
-          QUOTED_TABLE_NAMES[name] ||= super.gsub(".", "`.`").freeze
+          QUOTED_TABLE_NAMES[name] ||= "`#{name.to_s.gsub '.', '`.`'}`".freeze
         end
 
         STR_ESCAPE_REGX = /[\n\r'\\]/.freeze

lib/active_record/connection_adapters/spanner_adapter.rb

@@ -28,16 +28,18 @@
 require "activerecord_spanner_adapter/transaction"
 
 module ActiveRecord
-  module ConnectionHandling # :nodoc:
-    def spanner_connection config
-      connection = ActiveRecordSpannerAdapter::Connection.new config
-      connection.connect!
-      ConnectionAdapters::SpannerAdapter.new connection, logger, nil, config
-    rescue Google::Cloud::Error => error
-      if error.instance_of? Google::Cloud::NotFoundError
-        raise ActiveRecord::NoDatabaseError
-      end
-      raise error
+  if ActiveRecord.version < Gem::Version.new("7.2")
+    module ConnectionHandling # :nodoc:
+      def spanner_connection config
+        connection = ActiveRecordSpannerAdapter::Connection.new config
+        connection.connect!
+        ConnectionAdapters::SpannerAdapter.new connection, logger, nil, config
+      rescue Google::Cloud::Error => error
+        if error.instance_of? Google::Cloud::NotFoundError
+          raise ActiveRecord::NoDatabaseError
+        end
+        raise error
+      end
     end
   end
 
@@ -69,11 +71,18 @@ class SpannerAdapter < AbstractAdapter
       # Determines whether or not to log query binds when executing statements
       class_attribute :log_statement_binds, instance_writer: false, default: false
 
-      def initialize connection, logger, connection_options, config
-        @connection = connection
-        @connection_options = connection_options
-        super connection, logger, config
-        @raw_connection ||= connection
+      def initialize config_or_deprecated_connection, deprecated_logger = nil, deprecated_connection_options = nil, deprecated_config = nil # rubocop:disable Metrics/LineLength
+        if config_or_deprecated_connection.is_a? Hash
+          @connection = ActiveRecordSpannerAdapter::Connection.new config_or_deprecated_connection
+          @connection.connect!
+          super config_or_deprecated_connection
+          @raw_connection ||= @connection
+        else
+          @connection = config_or_deprecated_connection
+          @connection_options = deprecated_connection_options
+          super config_or_deprecated_connection, deprecated_logger, deprecated_config
+          @raw_connection ||= config_or_deprecated_connection
+        end
       end
 
       def max_identifier_length

lib/activerecord-spanner-adapter.rb

@@ -15,7 +15,11 @@ class SpannerRailtie < ::Rails::Railtie
         end
 
         ActiveSupport.on_load :active_record do
-          require "active_record/connection_adapters/spanner_adapter"
+          if Rails.version >= '7.2.0'
+            ActiveRecord::ConnectionAdapters.register("spanner", "ActiveRecord::ConnectionAdapters::SpannerAdapter")
+          else
+            require "active_record/connection_adapters/spanner_adapter"
+          end
         end
       end
     end

lib/activerecord_spanner_adapter/base.rb

@@ -16,6 +16,7 @@ class TableMetadata # :nodoc:
 
   class Base
     VERSION_7_1 = Gem::Version.create "7.1.0"
+    VERSION_7_2 = Gem::Version.create "7.2.0"
 
     # Creates an object (or multiple objects) and saves it to the database. This method will use mutations instead
     # of DML if there is no active transaction, or if the active transaction has been created with the option
@@ -48,7 +49,13 @@ def self.buffered_mutations?
       spanner_adapter? && connection&.current_spanner_transaction&.isolation == :buffered_mutations
     end
 
-    def self._insert_record values, returning = []
+    def self._insert_record *args
+      if ActiveRecord.gem_version < VERSION_7_2
+        values, returning = args
+      else
+        _connection, values, returning = []
+      end
+
       if !(buffered_mutations? || (primary_key && values.is_a?(Hash))) || !spanner_adapter?
         return super values if ActiveRecord.gem_version < VERSION_7_1
         return super