diff options
Diffstat (limited to 'lib/gitlab/database')
-rw-r--r-- | lib/gitlab/database/schema_cleaner.rb | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/gitlab/database/schema_cleaner.rb b/lib/gitlab/database/schema_cleaner.rb new file mode 100644 index 00000000000..c1436d3e7ca --- /dev/null +++ b/lib/gitlab/database/schema_cleaner.rb @@ -0,0 +1,43 @@ +# frozen_string_literal: true + +module Gitlab + module Database + class SchemaCleaner + attr_reader :original_schema + + def initialize(original_schema) + @original_schema = original_schema + end + + def clean(io) + structure = original_schema.dup + + # Postgres compat fix for PG 9.6 (which doesn't support (AS datatype) syntax for sequences) + structure.gsub!(/CREATE SEQUENCE [^.]+\.\S+\n(\s+AS integer\n)/) { |m| m.gsub(Regexp.last_match[1], '') } + + # Also a PG 9.6 compatibility fix, see below. + structure.gsub!(/^CREATE EXTENSION IF NOT EXISTS plpgsql.*/, '') + structure.gsub!(/^COMMENT ON EXTENSION.*/, '') + + # Remove noise + structure.gsub!(/^SET.+/, '') + structure.gsub!(/^SELECT pg_catalog\.set_config\('search_path'.+/, '') + structure.gsub!(/^--.*/, "\n") + structure.gsub!(/\n{3,}/, "\n\n") + + io << "SET search_path=public;\n\n" + + # Adding plpgsql explicitly is again a compatibility fix for PG 9.6 + # In more recent versions of pg_dump, the extension isn't explicitly dumped anymore. + # We use PG 9.6 still on CI and for schema checks - here this is still the case. + io << <<~SQL.strip + CREATE EXTENSION IF NOT EXISTS plpgsql WITH SCHEMA pg_catalog; + SQL + + io << structure + + nil + end + end + end +end |