5.5.5. `mroonga_normalize()`¶

New in version 5.11.

5.5.5.1. Summary¶

mroonga_normalize() UDF normalizes text by Groonga’s normalizer.

mroonga_normalize() has required parameter and optional parameter:

mroonga_normalize(string)
mroonga_normalize(string, normalizer_name)

Here is the example query which use Groonga’s NormalizerAuto normalizer to be normalized:

SELECT mroonga_normalize("ABCDあぃうぇ㍑");
abcdあぃうぇリットル

Here is the example query which use Groonga’s NormalizerMySQLUnicodeCIExceptKanaCIKanaWithVoicedSoundMark normalizer to be normalized:

SELECT mroonga_normalize("aBｃＤあぃウェ㍑", "NormalizerMySQLUnicodeCIExceptKanaCIKanaWithVoicedSoundMark");
ABCDあぃうぇ㍑

There is one required parameter, string.

It specifies text which you want to normalize.

There is one optional parameter, normalizer_name.

It specifies Groonga’s normalizer name to normalize.

The default value is NormalizerAuto.

It returns normalized string.