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Fixes Model.limit(n).delete_all generates incorrect query #200

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merged 2 commits into from
Dec 4, 2023

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gurkanindibay
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I implemented a hook to catch and add tenant into for the issue #195, however when adding a new where criteria, if an IN statement exist, the where criteria is being added into the query inside IN query, not in Delete statement.
I'm using Arel::DeleteManager to manipulate the delete statement.


puts "stmt klass: #{stmt.class}"

if conditions
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Here stmt is type of Arel::DeleteManager. When I added tenant parameter, the new where criteria appears inside IN statement.

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codecov bot commented Dec 3, 2023

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (d91e62c) 83.31% compared to head (60bfde1) 84.04%.

Files Patch % Lines
lib/activerecord-multi-tenant/delete_operations.rb 95.00% 1 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##           master     #200      +/-   ##
==========================================
+ Coverage   83.31%   84.04%   +0.73%     
==========================================
  Files          15       16       +1     
  Lines         725      746      +21     
==========================================
+ Hits          604      627      +23     
+ Misses        121      119       -2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

@gurkanindibay
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gurkanindibay commented Dec 3, 2023

@serprex can I get approval please?

@gurkanindibay gurkanindibay changed the title Failing multitenant implementation of Model delete with a join Fixes Model.limit(n).delete_all & Model.limit(n).update_all generates incorrect query Dec 3, 2023
# Check if the tenant key is present in the model's column names
tenant_condition = table[tenant_key].eq(tenant_id)
# Add the tenant condition to the arel query if it is not already present
unless arel.constraints.any? { |node| node.to_sql.include?(tenant_condition.to_sql) }
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tenant_condition.to_sql can be hoisted out of any? loop

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@serprex serprex Dec 3, 2023

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Granted, that will cause an unnecessary to_sql call when arel.constraints.empty?

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@Amit909Singh Amit909Singh left a comment

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Current changes may not address Model.limit(n).update_all. Should we address update_all as well or take it as a separate fix?

@gurkanindibay gurkanindibay merged commit 20d09a8 into master Dec 4, 2023
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@gurkanindibay gurkanindibay deleted the issue_195 branch December 4, 2023 05:43
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@Amit909Singh if you have solution, please address it in another PR
Thanks for your contributions

@gurkanindibay gurkanindibay changed the title Fixes Model.limit(n).delete_all & Model.limit(n).update_all generates incorrect query Fixes Model.limit(n).delete_all generates incorrect query Dec 4, 2023
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4 participants