Solr - Query over all fields best practice

Question

schema.xml snippet:

Answer 1

The best solution is to build a field, that collects the data of all fields like this

The only thing you have to do now is, copy the contents of all fields into that field:

....

Be aware that the copyField block has to be defined BELOW this:

....

Now you can search only on the field collector and you will find any text in any of your fields.