MySQL Syntax Error in ActiveRelationResource (0.10.x)
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 42/100
Research direction
Start in lib/jsonapi/active_relation_resource.rb by reading quote, concat_table_field, and alias_table_field, then reproduce the reported SELECT against MySQL through the CI workflow. Done means the MySQL test run no longer reports a syntax error for this ActiveRelationResource query.
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Description
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Bug reports:
Version 0.10.5
#<ActiveRecord::StatementInvalid: Mysql2::Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '."id" AS "individuals_id", individuals.id FROM `individuals` WHERE `individuals`' at line 1: SELECT "individuals"."id" AS "individuals_id", individuals.id FROM `individuals` WHERE `individuals`.`deleted_at` IS NULL ORDER BY individuals.id asc LIMIT 10 OFFSET 0>
>> fragments = resource_klass.find_fragments(find_options[:filters], options)
This is related to #1310, but is not a multi-tenancy issue. This a MySQL syntax issue that I believe it created by the ActiveRelationResource#quote method which is uses explicit double quotes for quoting table names in ActiveRelationResource#concat_table_field and ActiveRelationResource#alias_table_field.
By adding MySQL to the CI workflow testing matrix, this issue is easily reproduced in CI testing. I will create a PR for adding MySQL to the testing matrix.
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