From 38f60ab3dc26cf95d0953941351fe7009d6ee201 Mon Sep 17 00:00:00 2001
From: lukaseder <lukas.eder@gmail.com>
Date: Wed, 15 Jul 2015 12:49:34 +0200
Subject: [PATCH] [#4409] Bad syntax generated for MySQL's ALTER TABLE .. SET
 DEFAULT statement

---
 .../main/java/org/jooq/impl/AlterTableImpl.java  | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/jOOQ/src/main/java/org/jooq/impl/AlterTableImpl.java b/jOOQ/src/main/java/org/jooq/impl/AlterTableImpl.java
index 0fa8a7c7a2..b4fbf15f9f 100644
--- a/jOOQ/src/main/java/org/jooq/impl/AlterTableImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/AlterTableImpl.java
@@ -306,11 +306,19 @@ class AlterTableImpl extends AbstractQuery implements
                 xx [/pro] */
 
                 case MARIADB:
-                case MYSQL:
-                    // MySQL's CHANGE COLUMN clause has a mandatory RENAMING syntax...
-                    ctx.sql(' ').keyword("change column")
-                       .sql(' ').qualify(false).visit(alterColumn).qualify(true);
+                case MYSQL: {
+
+                    if (alterColumnDefault == null) {
+                        // MySQL's CHANGE COLUMN clause has a mandatory RENAMING syntax...
+                        ctx.sql(' ').keyword("change column")
+                           .sql(' ').qualify(false).visit(alterColumn).qualify(true);
+                    }
+                    else {
+                        ctx.sql(' ').keyword("alter column");
+                    }
+
                     break;
+                }
 
                 default:
                     ctx.sql(' ').keyword("alter");