Apache Solr has the following field types:
- String type (string)
- Numeric types (pint, pfloat, plong, pdouble)
- Date type (pdate)
- Boolean type (boolean)
- Binary type (binary)
- Random type (random)
- Text types for various languages (text_XX) (where XX corresponds to the language code, such as ja for Japanese, en for English, etc.)
