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possible fix for migration, hang tight before running it

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This commit is contained in:
Maxwell Salzberg 2012-02-02 13:54:39 -08:00
parent 8a61718efd
commit da1345502f
1 changed files with 5 additions and 4 deletions
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9
db/migrate/20120202190701_remove_public_share_visibilities.rb
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@ -19,16 +19,17 @@ class RemovePublicShareVisibilities < ActiveRecord::Migration
index = 0 index = 0
shareable_size = type.constantize.count shareable_size = type.constantize.count
table_name = type.tableize
while index < shareable_size + 100 do while index < shareable_size + 100 do
sql = <<-SQL sql = <<-SQL
DELETE sv DELETE sv
FROM share_visibilities AS sv FROM share_visibilities AS sv
INNER JOIN posts INNER JOIN #{table_name}
ON sv.shareable_id = posts.id ON sv.shareable_id = #{table_name}.id
WHERE sv.shareable_type = "#{type}" WHERE sv.shareable_type = "#{type}"
AND #{type.tableize}.public IS TRUE AND #{table_name}.public IS TRUE
AND #{type.tableize}.id < #{index}; AND #{table_name}.id < #{index};
SQL SQL
ActiveRecord::Base.connection.execute(sql) ActiveRecord::Base.connection.execute(sql)