ForEachFilter reflects the struct an executes fn.

OpenConnection opens the connection pool.

ConnectionConfig is the parameters to open connection pool.

FilterPerson filters the results of select statement.

Person represents a customer model.

Filter represents the methods that must be implemented by any filter.

PersonMethods represents the person's methods that must be implemented.

QueryBuilder represents the methods that must be implemented.

ForEachFunc is the function that executes the query builder.