7.16. Function — Groonga v16.1.0 documentation

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# 7.16. Function

Function can be used in some commands. For example, you can use function in `--filter`, `--scorer` and `output_columns` options of select.

This section describes about function and built-in functions.

TODO: Add documentations about function.

- 7.16.1. `between`
- 7.16.2. `cast_loose`
- 7.16.3. edit_distance
- 7.16.4. `escalate`
- 7.16.5. `fuzzy_search`
- 7.16.6. `geo_distance`
- 7.16.7. geo_in_circle
- 7.16.8. geo_in_rectangle
- 7.16.9. `highlight`
- 7.16.10. `highlight_full`
- 7.16.11. `highlight_html`
- 7.16.12. `html_untag`
- 7.16.13. `in_records`
- 7.16.14. `in_values`
- 7.16.15. `json_extract`
- 7.16.16. `language_model_knn`
- 7.16.17. `language_model_vectorize`
- 7.16.18. `math_abs`
- 7.16.19. now
- 7.16.20. `number_classify`
- 7.16.21. `prefix_rk_search`
- 7.16.22. `query`
- 7.16.23. `query_parallel_or`
- 7.16.24. rand
- 7.16.25. `snippet`
- 7.16.26. `snippet_html`
- 7.16.27. `string_length`
- 7.16.28. `string_slice`
- 7.16.29. `string_substring`
- 7.16.30. `string_truncate`
- 7.16.31. `sub_filter`
- 7.16.32. `time_classify_day`
- 7.16.33. `time_classify_day_of_week`
- 7.16.34. `time_classify_hour`
- 7.16.35. `time_classify_minute`
- 7.16.36. `time_classify_month`
- 7.16.37. `time_classify_second`
- 7.16.38. `time_classify_week`
- 7.16.39. `time_classify_year`
- 7.16.40. `vector_find`
- 7.16.41. `vector_new`
- 7.16.42. `vector_size`
- 7.16.43. `vector_slice`