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Merge branch 'cascade_drop' into 'master'

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Add if exists to drop command

Add `IF EXISTS` as a precaution. Related to gitlab-org/gitlab-ce!4020

See merge request !4100
This commit is contained in:
Robert Speicher 2016-05-09 18:17:57 +00:00
commit f27fd27413
1 changed files with 3 additions and 1 deletions
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lib/tasks/gitlab/db.rake
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@ -29,10 +29,12 @@ namespace :gitlab do
tables.delete 'schema_migrations'
# Truncate schema_migrations to ensure migrations re-run
connection.execute('TRUNCATE schema_migrations')
# Drop tables with cascade to avoid dependent table errors
# PG: http://www.postgresql.org/docs/current/static/ddl-depend.html
# MySQL: http://dev.mysql.com/doc/refman/5.7/en/drop-table.html
tables.each { |t| connection.execute("DROP TABLE #{t} CASCADE") }
# Add `IF EXISTS` because cascade could have already deleted a table.
tables.each { |t| connection.execute("DROP TABLE IF EXISTS #{t} CASCADE") }
end
end
end