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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
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class RemovePermanentFromRedirectRoutes < ActiveRecord :: Migration [ 4 . 2 ]
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include Gitlab :: Database :: MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
INDEX_NAME_PERM = " index_redirect_routes_on_path_text_pattern_ops_where_permanent "
INDEX_NAME_TEMP = " index_redirect_routes_on_path_text_pattern_ops_where_temporary "
def up
# These indexes were created on Postgres only in:
# ReworkRedirectRoutesIndexes:
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# https://gitlab.com/gitlab-org/gitlab-foss/merge_requests/16211
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if Gitlab :: Database . postgresql?
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disable_statement_timeout do
execute " DROP INDEX CONCURRENTLY IF EXISTS #{ INDEX_NAME_PERM } ; "
execute " DROP INDEX CONCURRENTLY IF EXISTS #{ INDEX_NAME_TEMP } ; "
end
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end
remove_column ( :redirect_routes , :permanent )
end
def down
add_column ( :redirect_routes , :permanent , :boolean )
if Gitlab :: Database . postgresql?
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disable_statement_timeout do
execute ( " CREATE INDEX CONCURRENTLY #{ INDEX_NAME_PERM } ON redirect_routes (lower(path) varchar_pattern_ops) where (permanent); " )
execute ( " CREATE INDEX CONCURRENTLY #{ INDEX_NAME_TEMP } ON redirect_routes (lower(path) varchar_pattern_ops) where (not permanent or permanent is null) ; " )
end
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end
end
end