history type mapping changed to string

model/src/main/java/lcsb/mapviewer/model/map/statistics/SearchHistory.java

@@ -5,6 +5,8 @@ import java.util.Calendar;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
@@ -55,10 +57,11 @@ public class SearchHistory implements Serializable {
    * Type of the search event.
    */
   @Column(nullable = false)
+  @Enumerated(EnumType.STRING)
   private SearchType type;
 
   /**
-   * Client ip address.
+   * Client IP address.
    */
   @Column(nullable = false)
   private String ipAddress;

persist/src/main/resources/db/migration/12.2.0~alpha.0/V12.2.0.20181029__history_type_changed_to_string.sql

+-- change in layout
+alter table history_table add column type_string varchar(31);
+update history_table set type_string='GENERAL' where type=0;
+update history_table set type_string='DRUG' where type=1;
+update history_table set type_string='CHEMICAL' where type=2;
+update history_table set type_string='MI_RNA' where type=3;
+
+alter table history_table drop column type;
+alter table history_table rename column type_string to type;