fix: show the correct information about similar series.

Before the information about similar series was the same as the original series.

Correction for 054f826 commit.

Addressed to #967

Author: php-coder

src/main/resources/sql/series_dao_queries.properties

@@ -52,17 +52,25 @@ SELECT s.id, s.updated_at \
   FROM series s
 
 series.find_similar_series = \
-   SELECT CASE WHEN ss.similar_series_id != :id THEN ss.similar_series_id ELSE ss.series_id END AS id \
+   SELECT s.id \
         , s.release_year \
         , s.quantity \
         , s.perforated \
         , CASE WHEN 'ru' = :lang THEN COALESCE(count.name_ru, count.name) ELSE count.name END AS country_name \
-     FROM similar_series ss \
-     JOIN series s \
-       ON s.id = ss.series_id OR s.id = ss.similar_series_id \
+     FROM series s \
 LEFT JOIN countries count \
        ON count.id = s.country_id \
-    WHERE s.id = :id
+    WHERE s.id IN \
+        ( \
+          SELECT \
+            CASE WHEN series_id != :id \
+                 THEN series_id \
+                 ELSE similar_series_id \
+             END AS id \
+            FROM similar_series \
+           WHERE series_id = :id \
+              OR similar_series_id = :id \
+        )
 
 series.find_last_added = \
    SELECT s.id \