Change the schema_table_statistics views to use another view using the TEMPTABLE algorithm to allow the optimizer to add an ad-hoc index like it can on the matialised subqueries.
Change the schema_table_statistics_with_buffer views to use another view using the TEMPTABLE algorithm to allow the optimizer to add an ad-hoc index like it can on the matialised subqueries.
Updating the README file for the new definitions of schema_table_statistics and schema_table_statistics_with_buffer
Merge pull request #24 from JesperWisborgKrogh/dev/schema_table_statistics_performance

schema_table_statistics and schema_table_statistics_with_buffer performance