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Modernise migrations

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This commit is contained in:
Tom Hughes 2016-07-13 09:38:32 +01:00
parent 5fd4fd13c2
commit 600743f170
1 changed files with 2 additions and 2 deletions
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4
db/migrate/021_move_to_innodb.rb
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@ -18,8 +18,8 @@ class MoveToInnodb < ActiveRecord::Migration
# As the initial version of all nodes, ways and relations is 0, we set the # As the initial version of all nodes, ways and relations is 0, we set the
# current version to something less so that we can update the version in # current version to something less so that we can update the version in
# batches of 10000 # batches of 10000
tbl.classify.constantize.update_all("version=-1") tbl.classify.constantize.update_all(:version => -1)
while tbl.classify.constantize.count(:conditions => { :version => -1 }) > 0 while tbl.classify.constantize.where(:version => -1).count > 0
tbl.classify.constantize.update_all("version=(SELECT max(version) FROM #{tbl} WHERE #{tbl}.id = current_#{tbl}.id)", { :version => -1 }, { :limit => 10000 }) tbl.classify.constantize.update_all("version=(SELECT max(version) FROM #{tbl} WHERE #{tbl}.id = current_#{tbl}.id)", { :version => -1 }, { :limit => 10000 })
end end
# execute "UPDATE current_#{tbl} SET version = " + # execute "UPDATE current_#{tbl} SET version = " +