#1045 - MySql - DbMigration generate wrong comment syntax - should be alter table comment = syntax

src/main/java/io/ebean/dbmigration/ddlgeneration/platform/MySqlDdl.java

@@ -101,4 +101,11 @@ public class MySqlDdl extends PlatformDdl {
     apply.append(" comment='").append(tableComment).append("'");
   }
 
+  /**
+   * Add table comment as a separate statement (from the create table statement).
+   */
+  @Override
+  public void addTableComment(DdlBuffer apply, String tableName, String tableComment) throws IOException {
+    apply.append(String.format("alter table %s comment = '%s'", tableName, tableComment)).endOfStatement();
+  }
 }

src/test/java/io/ebean/dbmigration/ddlgeneration/platform/BaseTableDdlTest.java

@@ -3,6 +3,7 @@ package io.ebean.dbmigration.ddlgeneration.platform;
 
 import io.ebean.config.ServerConfig;
 import io.ebean.config.dbplatform.h2.H2Platform;
+import io.ebean.config.dbplatform.mysql.MySqlPlatform;
 import io.ebean.config.dbplatform.oracle.OraclePlatform;
 import io.ebean.dbmigration.ddlgeneration.DdlWrite;
 import io.ebean.dbmigration.ddlgeneration.Helper;
@@ -93,6 +94,23 @@ public class BaseTableDdlTest {
     assertThat(ddl).contains("comment on table mytab is 'my comment'");
   }
 
+  @Test
+  public void testAddTableComment_mysql() throws IOException {
+
+    BaseTableDdl ddlGen = new BaseTableDdl(serverConfig, new MySqlPlatform().getPlatformDdl());
+
+    DdlWrite write = new DdlWrite();
+
+    AddTableComment addTableComment = new AddTableComment();
+    addTableComment.setName("mytab");
+    addTableComment.setComment("my comment");
+
+    ddlGen.generate(write, addTableComment);
+
+    String ddl = write.apply().getBuffer();
+    assertThat(ddl).contains("alter table mytab comment = 'my comment'");
+  }
+
   @Test
   public void testGenerate() throws Exception {