Mysql - Mysql2::Error: Incorrect string value:

Question

So I built a scraper and am pulling in some objects. The issue is some are foreign languages and it is tripping the mysql db up a bit. This is the error I got. Any idea what I can do with this? Thanks!

Mysql2::Error: Incorrect string value: '\xC5\x8Dga, ...' for column 'description' at row 1: INSERT INTO sammiches (country, created_at, description, image, name, updated_at) VALUES ('Japan', '2013-05-03 01:17:06', 'A hot dog bun stuffed with fried noodles, frequently topped with pickles, such as beni shōga, with mayonnaise', '/wiki/File:Yakisoba_sandwich_by_kaex0r.jpg', 'Yakisoba-pan', '2013-05-03

Use UTF-8 in the database? – michaelb958--GoFundMonica May 03 '13 at 01:43 — michaelb958--GoFundMonica, May 03 '13 at 01:43

Mikey · Answer 1 · 2014-07-22T14:50:25.297

17

This can also be triggered if the string you're trying to insert has invalid UTF-8 byte sequences. For example, in ruby you can remove any invalid characters using

string_with_invalid_sequences.encode('utf-8', 'binary', invalid: :replace, undef: :replace, replace: '')

String#scrub can be used in ruby 2.1 onwards

string_with_invalid_sequences.scrub

edited Jul 22 '14 at 14:50

answered Nov 05 '13 at 16:13

Mikey

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I don't know why, but you first suggestion helped me and scrub doesn't worked for me. – across Nov 03 '15 at 04:55
@across - does this work for you: `string_with_invalid_sequences.scrub('')`? – Mikey Nov 03 '15 at 11:43
string_with_invalid_sequences.encode only this works for me..., none of the above solutions worked, scrub didn't work as well. – user1735921 May 24 '16 at 06:41
@ user1735921 still not working? did you check your ruby version? – d1jhoni1b Apr 13 '18 at 01:34

score 10 · Answer 2 · edited Feb 01 '15 at 19:12

10

Probably your table is set to a non Utf8 CHARACTER SET. You can change this with this sql:

ALTER TABLE `your_database_name`.`your_table` CONVERT TO CHARACTER SET utf8

edited Feb 01 '15 at 19:12

user160917

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answered Aug 28 '13 at 21:07

Pedro Assumpcao

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Inside of a migration use: `ModelName.connection.execute('ALTER TABLE model_names CONVERT TO CHARACTER SET utf8')` – Michael Yagudaev Apr 29 '14 at 00:29
@TomRossi it could be because it is outside the multilingual plane (https://dev.mysql.com/doc/refman/5.5/en/faqs-cjk.html#qandaitem-A-11-1-16) – Carson Reinke Sep 18 '15 at 16:51

score 5 · Answer 3 · edited May 23 '17 at 12:18

You can find the answer here. I am not sure how to report duplicate. Mysql2::Error: Incorrect string value Rails 3 UTF8

For your convenience, let me reiterate my answer

I had encountered this issue recently. It's essentially mysql default collation type is not utf8_unicode_ci.

Do the following. Backup your data if you have to. I had to drop the database and recreate it

rake db:drop
rake db:create

Change mysql database collation to utf8_unicode_ci ( phpMyAdmin might come in handy here) Finally, restore your migration.

rake db:migrate

Enjoy.

Mysql - Mysql2::Error: Incorrect string value:

3 Answers3

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