lib/pg_search/normalizer.rb in pg_search-0.3.1 vs lib/pg_search/normalizer.rb in pg_search-0.3.2

@@ -4,10 +4,19 @@
       @config = config
     end
 
     def add_normalization(original_sql)
       normalized_sql = original_sql
-      normalized_sql = "unaccent(#{normalized_sql})" if @config.ignore.include?(:accents)
+      if @config.ignore.include?(:accents)
+        if @config.postgresql_version < 90000
+          raise PgSearch::NotSupportedForPostgresqlVersion.new(<<-MESSAGE)
+          Sorry, {:ignoring => :accents} only works in PostgreSQL 9.0 and above.
+          #{@config.inspect}
+          MESSAGE
+        else
+          normalized_sql = "unaccent(#{normalized_sql})"
+        end
+      end
       normalized_sql
     end
   end
 end