From c8e851b52f3c06db5bb705242251af19593caba1 Mon Sep 17 00:00:00 2001
From: lukaseder <lukas.eder@gmail.com>
Date: Fri, 21 Apr 2017 13:02:06 +0200
Subject: [PATCH] [#6120] Add support for DB2 RENAME INDEX statement

---
 jOOQ/src/main/java/org/jooq/AlterIndexStep.java      | 1 +
 jOOQ/src/main/java/org/jooq/impl/AlterIndexImpl.java | 8 ++++++--
 jOOQ/src/main/java/org/jooq/impl/Keywords.java       | 1 +
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/jOOQ/src/main/java/org/jooq/AlterIndexStep.java b/jOOQ/src/main/java/org/jooq/AlterIndexStep.java
index d0094cb91b..dcaf4cd405 100644
--- a/jOOQ/src/main/java/org/jooq/AlterIndexStep.java
+++ b/jOOQ/src/main/java/org/jooq/AlterIndexStep.java
@@ -34,6 +34,7 @@
  */
 package org.jooq;
 
+// ...
 import static org.jooq.SQLDialect.H2;
 import static org.jooq.SQLDialect.HSQLDB;
 // ...
diff --git a/jOOQ/src/main/java/org/jooq/impl/AlterIndexImpl.java b/jOOQ/src/main/java/org/jooq/impl/AlterIndexImpl.java
index e1b7c291c6..289f68387b 100644
--- a/jOOQ/src/main/java/org/jooq/impl/AlterIndexImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/AlterIndexImpl.java
@@ -49,7 +49,9 @@ import static org.jooq.SQLDialect.FIREBIRD;
 import static org.jooq.impl.DSL.name;
 import static org.jooq.impl.Keywords.K_ALTER_INDEX;
 import static org.jooq.impl.Keywords.K_IF_EXISTS;
+import static org.jooq.impl.Keywords.K_RENAME_INDEX;
 import static org.jooq.impl.Keywords.K_RENAME_TO;
+import static org.jooq.impl.Keywords.K_TO;
 
 import org.jooq.AlterIndexFinalStep;
 import org.jooq.AlterIndexStep;
@@ -124,8 +126,10 @@ final class AlterIndexImpl extends AbstractQuery implements
     }
 
     private final void accept0(Context<?> ctx) {
+        boolean renameIndex = asList().contains(ctx.family());
+
         ctx.start(ALTER_INDEX_INDEX)
-           .visit(K_ALTER_INDEX);
+           .visit(renameIndex ? K_RENAME_INDEX : K_ALTER_INDEX);
 
         if (ifExists && supportsIfExists(ctx))
             ctx.sql(' ').visit(K_IF_EXISTS);
@@ -140,7 +144,7 @@ final class AlterIndexImpl extends AbstractQuery implements
 
             ctx.start(ALTER_INDEX_RENAME)
                .qualify(false)
-               .visit(K_RENAME_TO).sql(' ').visit(renameTo)
+               .visit(renameIndex ? K_TO : K_RENAME_TO).sql(' ').visit(renameTo)
                .qualify(qualify)
                .end(ALTER_INDEX_RENAME);
         }
diff --git a/jOOQ/src/main/java/org/jooq/impl/Keywords.java b/jOOQ/src/main/java/org/jooq/impl/Keywords.java
index 523717371b..f0ee946f90 100644
--- a/jOOQ/src/main/java/org/jooq/impl/Keywords.java
+++ b/jOOQ/src/main/java/org/jooq/impl/Keywords.java
@@ -195,6 +195,7 @@ final class Keywords {
     public static final Keyword K_REFERENCES                       = keyword("references");
     public static final Keyword K_REGEXP                           = keyword("regexp");
     public static final Keyword K_RENAME                           = keyword("rename");
+    public static final Keyword K_RENAME_INDEX                     = keyword("rename index");
     public static final Keyword K_RENAME_COLUMN                    = keyword("rename column");
     public static final Keyword K_RENAME_CONSTRAINT                = keyword("rename constraint");
     public static final Keyword K_RENAME_TO                        = keyword("rename to");