Store the owning connection inside QueryIntent

Ref: rails/rails@b57d485

Author: aidanharan

lib/active_record/connection_adapters/sqlserver/database_statements.rb

@@ -71,7 +71,7 @@ def delete(arel, name = nil, binds = [])
             ActiveRecord::Base.clear_query_caches_for_current_thread
           end
 
-          intent = QueryIntent.new(arel: arel, name: name, binds: binds)
+          intent = QueryIntent.new(adapter: self, arel: arel, name: name, binds: binds)
 
           # Compile Arel to get SQL
           compile_arel_in_intent(intent)
@@ -91,7 +91,7 @@ def update(arel, name = nil, binds = [])
             ActiveRecord::Base.clear_query_caches_for_current_thread
           end
 
-          intent = QueryIntent.new(arel: arel, name: name, binds: binds)
+          intent = QueryIntent.new(adapter: self, arel: arel, name: name, binds: binds)
 
           # Compile Arel to get SQL
           compile_arel_in_intent(intent)
@@ -269,7 +269,7 @@ def execute_procedure(proc_name, *variables)
           end.join(", ")
           sql = "EXEC #{proc_name} #{vars}".strip
 
-          intent = QueryIntent.new(processed_sql: sql)
+          intent = QueryIntent.new(adapter: self, processed_sql: sql)
 
           log(intent, "Execute Procedure") do |notification_payload|
             with_raw_connection do |conn|
@@ -594,7 +594,7 @@ def get_columns_with_uniqueness_constraints(insert_all:, insert:)
             # Discard constraints that are not fully included on insert.keys. Prevents invalid queries.
             # Example: ignore unique index for columns ["name"] if insert keys is ["description"]
             (insert_all.send(:unique_indexes).map(&:columns) + [insert_all.primary_keys]).select do |columns|
-              columns.to_set.subset?(insert.keys)
+              columns.to_set.subset?(insert.keys.to_set)
             end
           end
         end

lib/active_record/connection_adapters/sqlserver/schema_statements.rb

@@ -33,7 +33,7 @@ def drop_table(*table_names, **options)
 
         def indexes(table_name)
           data = begin
-            intent = QueryIntent.new(raw_sql: "EXEC sp_helpindex #{quote(table_name)}", name: "SCHEMA")
+            intent = QueryIntent.new(adapter: self, raw_sql: "EXEC sp_helpindex #{quote(table_name)}", name: "SCHEMA")
             select(intent)
           rescue
             []

lib/active_record/connection_adapters/sqlserver/showplan.rb

@@ -30,7 +30,7 @@ def with_showplan_on
         end
 
         def set_showplan_option(enable = true)
-          intent = QueryIntent.new(raw_sql: "SET #{showplan_option} #{enable ? "ON" : "OFF"}", name: "SCHEMA")
+          intent = QueryIntent.new(adapter: self, raw_sql: "SET #{showplan_option} #{enable ? "ON" : "OFF"}", name: "SCHEMA")
           raw_execute(intent)
         rescue
           raise ActiveRecordError, "#{showplan_option} could not be turned #{enable ? "ON" : "OFF"}, perhaps you do not have SHOWPLAN permissions?"