Re: Adding collation to utf8mb4 charset
Posted by: Xing Zhang
Date: May 01, 2018 10:00PM

This is because you choose a wrong collation id.

Your collation id for utf8mb4_myown_ci is 213, which conflicts with utf8_croatian_ci, which is a utf8 collation. All your input is checked by utf8_croation_ci.

Please refer to: to choose a good id, then it will work. (I checked this with 501).

mysql> select * from information_schema.collations order by id;
| utf8mb4_myown_ci | utf8mb4 | 501 | | | 8 | PAD SPACE |
271 rows in set (0.03 sec)

mysql> use test;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed

mysql> create table t1(a varchar(10) collate utf8mb4_myown_ci);
Query OK, 0 rows affected (0.57 sec)

mysql> insert into t1 values(_utf32 0x0001f37a);
Query OK, 1 row affected (0.14 sec)

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Re: Adding collation to utf8mb4 charset
May 01, 2018 10:00PM

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