#1497 - SQL Error with @History + @SoftDelete + @OneToOne fetch=FetchType.EAGER

src/main/java/io/ebeaninternal/api/SpiQuery.java

@@ -134,27 +134,40 @@ public interface SpiQuery<T> extends Query<T>, TxnProfileEventCodes {
     /**
      * Includes soft deletes rows in the result.
      */
-    SOFT_DELETED,
+    SOFT_DELETED(false),
 
     /**
      * Query runs against draft tables.
      */
-    DRAFT,
+    DRAFT(false),
 
     /**
      * Query runs against current data (normal).
      */
-    CURRENT,
+    CURRENT(false),
 
     /**
      * Query runs potentially returning many versions of the same bean.
      */
-    VERSIONS,
+    VERSIONS(true),
 
     /**
      * Query runs 'As Of' a given date time.
      */
-    AS_OF;
+    AS_OF(true);
+
+    private final boolean history;
+
+    TemporalMode(boolean history) {
+      this.history = history;
+    }
+
+    /**
+     * Return true if this is a history query.
+     */
+    public boolean isHistory() {
+      return history;
+    }
 
     /**
      * Return the mode of the query of if null return CURRENT mode.

src/main/java/io/ebeaninternal/server/query/CQueryBuilder.java

@@ -217,7 +217,7 @@ class CQueryBuilder {
    * Return the history support if this query needs it (is a 'as of' type query).
    */
   <T> CQueryHistorySupport getHistorySupport(SpiQuery<T> query) {
-    return query.getTemporalMode() != SpiQuery.TemporalMode.CURRENT ? historySupport : null;
+    return query.getTemporalMode().isHistory() ? historySupport : null;
   }
 
   /**