だが!
バックアップ元のシステムの文字コードがlatin1、データベースがUTF-8となっていて、
$ mysql -u myswluser -p
mysql> show variables like ‘collation%’;
+———————-+——————-+
| Variable_name | Value |
+———————-+——————-+
| collation_connection | latin1_swedish_ci |
| collation_database | latin1_swedish_ci |
| collation_server | latin1_swedish_ci |
+———————-+——————-+
3 rows in set (0.00 sec)
mysql> SHOW VARIABLES LIKE ‘char%’;
+————————–+—————————-+
| Variable_name | Value |
+————————–+—————————-+
| character_set_client | latin1 |
| character_set_connection | latin1 |
| character_set_database | utf8 |
| character_set_filesystem | binary |
| character_set_results | latin1 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
+————————–+—————————-+
8 rows in set (0.00 sec)
mysql> show variables like ‘collation%’;
+———————-+—————–+
| Variable_name | Value |
+———————-+—————–+
| collation_connection | utf8_general_ci |
| collation_database | utf8_general_ci |
| collation_server | utf8_general_ci |
+———————-+—————–+
3 rows in set (0.00 sec)
mysql> SHOW VARIABLES LIKE ‘char%’;+————————–+—————————-+| Variable_name | Value |+————————–+—————————-+| character_set_client | utf8 || character_set_connection | utf8 || character_set_database | utf8 || character_set_filesystem | binary || character_set_results | utf8 || character_set_server | utf8 || character_set_system | utf8 || character_sets_dir | /usr/share/mysql/charsets/ |+————————–+—————————-+8 rows in set (0.00 sec)
$ sudo mysqldump -u username -p –default-character-set=latin1 dbname > dump.sql
ファイル中のlatin1の部分をutf8に置換。
$ sed -i -e ‘s/SET NAMES latin1/SET NAMES utf8/g’ dump.sql
$ mysql -u mysqluser -p dbname < dump.sql