Created
April 14, 2015 14:50
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Get views dumped into schema.rb
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module ActiveRecord | |
class SchemaDumper | |
def views(stream) | |
# Order by reltype is important so that the views are dumped in the order | |
# they are created, in case one view is dependent on others | |
views = @connection.query(%Q{ | |
SELECT n.nspname AS schemaname, | |
c.relname AS viewname, | |
pg_get_viewdef(c.oid) AS definition | |
FROM pg_class c | |
LEFT JOIN pg_namespace n ON n.oid = c.relnamespace | |
WHERE c.relkind = 'v'::"char" | |
AND n.nspname = ANY(current_schemas(false)) | |
ORDER by reltype ASC | |
}) | |
views.each do |view_details| | |
schema, viewname, definition = *view_details | |
definition.gsub!(/\n/, ' ') | |
definition.squish! | |
output = <<-RUBY | |
execute %Q{ | |
CREATE VIEW #{schema}.#{viewname} | |
AS #{definition} | |
} | |
RUBY | |
stream.puts output | |
end | |
end | |
def trailer_with_execute(stream) | |
views(stream) | |
trailer_without_execute(stream) | |
end | |
alias_method_chain :trailer, :execute | |
end | |
end |
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