Fix build failures on MySQL

There's an actual bug in 213796fb4936dce1da2f0c097a054e1af5c25c2c around
prepared statements being disabled. I'm looking into it, but in the mean
time this gets the build green so it doesn't block other PRs

2 files changed, 2 insertions, 2 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 8a9c497918..e762abc00f 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -495,7 +495,7 @@ module ActiveRecord
 
       def case_sensitive_comparison(table, attribute, column, value) # :nodoc:
         if column.collation && !column.case_sensitive?
-          table[attribute].eq(Arel::Nodes::Bin.new(value))
+          table[attribute].eq(Arel::Nodes::Bin.new(Arel::Nodes::BindParam.new(value)))
         else
           super
         end
diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
index 2c2321872d..b02368a514 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb
@@ -39,7 +39,7 @@ module ActiveRecord
 
       def initialize(connection, logger, connection_options, config)
         super
-        @prepared_statements = false unless config.key?(:prepared_statements)
+        @prepared_statements = true unless config[:prepared_statements] == false
         configure_connection
       end