From 9e40e28c139e10d06c1b63889806ef2ccd58bf0d Mon Sep 17 00:00:00 2001
From: lukaseder <lukas.eder@gmail.com>
Date: Wed, 6 Feb 2019 10:43:59 +0100
Subject: [PATCH] [#8300] Support MODE() and MEDIAN() in H2

---
 .../org/jooq/OrderedAggregateFunctionOfDeferredType.java    | 3 ++-
 jOOQ/src/main/java/org/jooq/impl/DSL.java                   | 6 +++---
 jOOQ/src/main/java/org/jooq/impl/Function.java              | 2 +-
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/jOOQ/src/main/java/org/jooq/OrderedAggregateFunctionOfDeferredType.java b/jOOQ/src/main/java/org/jooq/OrderedAggregateFunctionOfDeferredType.java
index 4703078580..b875f61f36 100644
--- a/jOOQ/src/main/java/org/jooq/OrderedAggregateFunctionOfDeferredType.java
+++ b/jOOQ/src/main/java/org/jooq/OrderedAggregateFunctionOfDeferredType.java
@@ -38,6 +38,7 @@
 package org.jooq;
 
 // ...
+import static org.jooq.SQLDialect.H2;
 import static org.jooq.SQLDialect.POSTGRES_9_4;
 
 /**
@@ -69,6 +70,6 @@ public interface OrderedAggregateFunctionOfDeferredType {
      * Add an <code>WITHIN GROUP (ORDER BY ..)</code> clause to the ordered
      * aggregate function
      */
-    @Support({ POSTGRES_9_4 })
+    @Support({ H2, POSTGRES_9_4 })
     <T> AggregateFilterStep<T> withinGroupOrderBy(OrderField<T> field);
 }
diff --git a/jOOQ/src/main/java/org/jooq/impl/DSL.java b/jOOQ/src/main/java/org/jooq/impl/DSL.java
index afaa7e399d..b1312184da 100644
--- a/jOOQ/src/main/java/org/jooq/impl/DSL.java
+++ b/jOOQ/src/main/java/org/jooq/impl/DSL.java
@@ -17837,7 +17837,7 @@ public class DSL {
     /**
      * The <code>mode(field)</code> aggregate function.
      */
-    @Support({ POSTGRES_9_4 })
+    @Support({ H2, POSTGRES_9_4 })
     public static <T> AggregateFunction<T> mode(Field<T> field) {
         return new org.jooq.impl.Function<T>(Term.MODE, nullSafeDataType(field), field);
     }
@@ -17845,7 +17845,7 @@ public class DSL {
     /**
      * Get the median over a numeric field: median(field).
      */
-    @Support({ CUBRID, HSQLDB, MARIADB, POSTGRES_9_4 })
+    @Support({ CUBRID, H2, HSQLDB, MARIADB, POSTGRES_9_4 })
     public static AggregateFunction<BigDecimal> median(Field<? extends Number> field) {
         return new org.jooq.impl.Function<BigDecimal>(Term.MEDIAN, SQLDataType.NUMERIC, nullSafe(field));
     }
@@ -18155,7 +18155,7 @@ public class DSL {
      * The <code>mode() within group (oder by [order clause])</code> ordered
      * aggregate function.
      */
-    @Support({ POSTGRES_9_4 })
+    @Support({ H2, POSTGRES_9_4 })
     public static OrderedAggregateFunctionOfDeferredType mode() {
         return new Mode();
     }
diff --git a/jOOQ/src/main/java/org/jooq/impl/Function.java b/jOOQ/src/main/java/org/jooq/impl/Function.java
index eb749a3e0d..535f38a9b4 100644
--- a/jOOQ/src/main/java/org/jooq/impl/Function.java
+++ b/jOOQ/src/main/java/org/jooq/impl/Function.java
@@ -239,7 +239,7 @@ class Function<T> extends AbstractField<T> implements
 
 
 
-        else if (term == MODE && (                                                            ctx.family() == POSTGRES)) {
+        else if (term == MODE && (                                                            ctx.family() == H2 || ctx.family() == POSTGRES)) {
             ctx.visit(mode().withinGroupOrderBy(DSL.field("{0}", arguments.get(0))));
         }
         else if (term == MEDIAN && (                                                            ctx.family() == POSTGRES)) {