diff --git a/jOOQ/src/main/java/org/jooq/impl/RatioToReport.java b/jOOQ/src/main/java/org/jooq/impl/RatioToReport.java
index e51999967a..b120d3f26d 100644
--- a/jOOQ/src/main/java/org/jooq/impl/RatioToReport.java
+++ b/jOOQ/src/main/java/org/jooq/impl/RatioToReport.java
@@ -80,18 +80,37 @@ final class RatioToReport extends DefaultAggregateFunction<BigDecimal> {
 
 
 
-            case H2:
-                ctx.visit(N_RATIO_TO_REPORT).sql('(').visit(field).sql(')');
-                acceptOverClause(ctx);
-                break;
 
 
-            default:
+
+
+
+
+
+
+
+
+
+            case MARIADB:
+            case MYSQL:
+            case POSTGRES:
+            case SQLITE:
                 ctx.visit(castIfNeeded(field, (DataType<?>) (ctx.family() == SQLITE ? DOUBLE : DECIMAL)))
                    .sql(" / ")
                    .visit(DSL.sum(field));
                 acceptOverClause(ctx);
                 break;
+
+
+
+
+
+
+            case H2:
+            default:
+                ctx.visit(N_RATIO_TO_REPORT).sql('(').visit(field).sql(')');
+                acceptOverClause(ctx);
+                break;
         }
     }
 }