blog en: add one more entry

en/_posts/2019-03-29-mroonga-9.01.md

@@ -20,9 +20,43 @@ and fulltext search engine.
 
 The main changes are as follows.
 
+  * Improved support for more table and comment parameter about tokenizer/nomalizer/indexes.
   * Added support for latest MariaDB/Percona Server.
   * Added support for building bundled MariaDB package on AppVeyor.
 
+### Improved support for table and comment parameter about tokenizer/nomalizer/indexes
+
+In this release, tokenizer/nomalizer/indexes support is improved.
+
+In storage mode, you can specify tokenizer options in `COMMENT` section.
+
+```sql
+CREATE TABLE foo (...) COMMENT='tokenizer "TokenNgram('n', 4)"'
+```
+
+Note that `default_tokenizer` is deprecated. use `tokenizer` instead.
+
+You can also specify `LEXICON` index parameter.
+
+```sql
+FULLTEXT INDEX foo (bar) LEXICON='terms'
+```
+
+or
+
+```
+FULLTEXT INDEX foo (bar) COMMENT 'lexicon "terms"'
+```
+
+for MariaDB, `TOKENIZER`, `NORMALIER` and `TOKEN_FILTERS` table parameter has been supported.
+
+```sql
+CREATE TABLE foo (...) TOKENIZER='TokenNgram("n", 4)'
+CREATE TABLE foo (...) NORMALIZER='NormalizerNFKC100("unify_kana", true)'
+CREATE TABLE foo (...) TOKEN_FILTERS='TokenFilterNFKC100("unify_katakana_v_sounds", true)'
+```
+
+
 ### Added support for latest MariaDB/Percona Server
 
 In this release, the following latest MariaDB/Percona Server has been supported.