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- Token (or term) - the single entry in the index, which is the result of tokenization and analyzing of the string
- For text fields (e.g. title, or sentences), each word or stem of the word is token.
- For keyword fields (e.g. barcode or other identifiers) it is whole value is token. Or
- Field - JSON field in instance (or holding or item), which is idexed as field in elastic document. Every field can have no value, single value or array of values.
- Elastic document - json string with fields, which is stored in elastic. For each field in Elastic there is a mapping
- Mapping - metadata how to index the value of the field. Contains inforamtion about tokenizer, analyzer, etc.
| Efficiency level | |||
| Rank | Elastic | Postgre | Description |
|---|---|---|---|
| 1 | |||
| 2 | |||
| 3 | |||
| 4 | |||
| 5 | |||
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