From 39977aaa5b046fca21cdfb6c6f459e2450a4a2ce Mon Sep 17 00:00:00 2001
From: lukaseder <lukas.eder@gmail.com>
Date: Thu, 18 Jan 2018 11:35:01 +0100
Subject: [PATCH] [#6474] Support anonymous blocks in SQL Server

---
 .../main/java/org/jooq/impl/BlockImpl.java    |  3 ++-
 .../java/org/jooq/impl/NullStatement.java     | 21 +++++++++++++++++--
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/jOOQ/src/main/java/org/jooq/impl/BlockImpl.java b/jOOQ/src/main/java/org/jooq/impl/BlockImpl.java
index 6cabd84bce..8033e7ca29 100644
--- a/jOOQ/src/main/java/org/jooq/impl/BlockImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/BlockImpl.java
@@ -52,7 +52,6 @@ import static org.jooq.impl.Keywords.K_EXECUTE_BLOCK;
 import static org.jooq.impl.Keywords.K_EXECUTE_IMMEDIATE;
 import static org.jooq.impl.Keywords.K_EXECUTE_STATEMENT;
 import static org.jooq.impl.Keywords.K_NOT;
-import static org.jooq.impl.Keywords.K_NULL;
 import static org.jooq.impl.Tools.decrement;
 import static org.jooq.impl.Tools.increment;
 import static org.jooq.impl.Tools.DataKey.DATA_BLOCK_NESTING;
@@ -152,6 +151,7 @@ final class BlockImpl extends AbstractQuery implements Block {
 
 
 
+
             default: {
                 accept0(ctx);
                 break;
@@ -177,6 +177,7 @@ final class BlockImpl extends AbstractQuery implements Block {
 
 
 
+
                 case FIREBIRD:
                 case MARIADB:
                 default:
diff --git a/jOOQ/src/main/java/org/jooq/impl/NullStatement.java b/jOOQ/src/main/java/org/jooq/impl/NullStatement.java
index 145bbf0065..00352c0d27 100644
--- a/jOOQ/src/main/java/org/jooq/impl/NullStatement.java
+++ b/jOOQ/src/main/java/org/jooq/impl/NullStatement.java
@@ -37,6 +37,10 @@
  */
 package org.jooq.impl;
 
+import static org.jooq.impl.DSL.falseCondition;
+import static org.jooq.impl.DSL.one;
+import static org.jooq.impl.DSL.select;
+import static org.jooq.impl.Keywords.K_IF;
 import static org.jooq.impl.Keywords.K_NULL;
 
 import org.jooq.Clause;
@@ -50,11 +54,24 @@ final class NullStatement extends AbstractStatement {
     /**
      * Generated UID
      */
-    private static final long serialVersionUID = -1065054646570980726L;
+    private static final long  serialVersionUID = -1065054646570980726L;
+    static final NullStatement INSTANCE         = new NullStatement();
 
     @Override
     public final void accept(Context<?> ctx) {
-        ctx.visit(K_NULL);
+        switch (ctx.family()) {
+
+
+
+
+
+
+
+
+            default:
+                ctx.visit(K_NULL);
+                break;
+        }
     }
 
     @Override