Upgrade to rails 6

lib/active_record/connection_adapters/odbc_adapter.rb

@@ -136,7 +136,7 @@ def disconnect!
       # Build a new column object from the given options. Effectively the same
       # as super except that it also passes in the native type.
       # rubocop:disable Metrics/ParameterLists
-      def new_column(name, default, sql_type_metadata, null, table_name, default_function = nil, collation = nil, native_type = nil)
+      def new_column(name, default, sql_type_metadata, null, default_function = nil)
         ::ODBCAdapter::Column.new(name, default, sql_type_metadata, null, table_name, default_function, collation, native_type)
       end
 

lib/odbc_adapter/column.rb

@@ -5,8 +5,8 @@ class Column < ActiveRecord::ConnectionAdapters::Column
     # Add the native_type accessor to allow the native DBMS to report back what
     # it uses to represent the column internally.
     # rubocop:disable Metrics/ParameterLists
-    def initialize(name, default, sql_type_metadata = nil, null = true, table_name = nil, native_type = nil, default_function = nil, collation = nil)
-      super(name, default, sql_type_metadata, null, table_name, default_function, collation)
+    def initialize(name, default, sql_type_metadata = nil, null = true, native_type = nil, default_function = nil)
+      super(name, default, sql_type_metadata, null, default_function)
       @native_type = native_type
     end
   end

lib/odbc_adapter/schema_statements.rb

@@ -83,7 +83,7 @@ def columns(table_name, _name = nil)
         end
         sql_type_metadata = ActiveRecord::ConnectionAdapters::SqlTypeMetadata.new(**args)
 
-        cols << new_column(format_case(col_name), col_default, sql_type_metadata, col_nullable, table_name, col_native_type)
+        cols << new_column(format_case(col_name), col_default, sql_type_metadata, col_nullable, col_native_type)
       end
     end
 

odbc_adapter.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'activerecord', '>= 5.2.1'
+  spec.add_dependency 'activerecord', '>= 6.0.1'
   spec.add_dependency 'ruby-odbc', '~> 0.9'
 
   spec.add_development_dependency 'bundler', '~> 1.14'