43 lines
1.3 KiB
Ruby
43 lines
1.3 KiB
Ruby
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class RemoveNullableDates < ActiveRecord::Migration
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def up
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# must drop so we can muck with the column
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execute "DROP VIEW badge_posts"
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# Rails 3 used to have nullable created_at and updated_at dates
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# this is no longer the case in Rails 4, some old installs have
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# this relic
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# Fix it
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sql = "select table_name, column_name from information_schema.columns
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WHERE column_name IN ('created_at','updated_at') AND
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table_schema = 'public' AND
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is_nullable = 'YES' AND
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is_updatable = 'YES' AND
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data_type = 'timestamp without time zone'"
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execute(sql).each do |row|
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table = row["table_name"]
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column = row["column_name"]
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execute "UPDATE \"#{table}\" SET #{column} = CURRENT_TIMESTAMP WHERE #{column} IS NULL"
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change_column table.to_sym, column.to_sym, :datetime, null: false
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end
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execute "CREATE VIEW badge_posts AS
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SELECT p.*
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FROM posts p
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JOIN topics t ON t.id = p.topic_id
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JOIN categories c ON c.id = t.category_id
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WHERE c.allow_badges AND
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p.deleted_at IS NULL AND
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t.deleted_at IS NULL AND
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NOT c.read_restricted AND
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t.visible"
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end
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def down
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# no need to revert
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end
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end
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