#2287 - ebean-migration: For multiple platforms automatically run the correct migrations

ebean-ddl-generator/src/main/java/io/ebeaninternal/dbmigration/DefaultDbMigration.java

@@ -281,7 +281,7 @@ public class DefaultDbMigration implements DbMigration {
   public String generateMigration() throws IOException {
     final String version = generateMigrationFor(false);
     if (includeIndex) {
-      generateIndex(version);
+      generateIndex();
     }
     return version;
   }
@@ -289,15 +289,14 @@ public class DefaultDbMigration implements DbMigration {
   /**
    * Generate the {@code idx_platform.migrations} file.
    */
-  private void generateIndex(String version) throws IOException {
-    final boolean overwrite = version != null;
+  private void generateIndex() throws IOException {
     final File topDir = migrationDirectory(false);
     if (!platforms.isEmpty()) {
       for (Pair pair : platforms) {
-        new IndexMigration(topDir, pair).generate(overwrite);
+        new IndexMigration(topDir, pair).generate();
       }
     } else {
-      new IndexMigration(topDir, databasePlatform).generate(overwrite);
+      new IndexMigration(topDir, databasePlatform).generate();
     }
   }
 

ebean-ddl-generator/src/main/java/io/ebeaninternal/dbmigration/IndexMigration.java

@@ -43,10 +43,7 @@ class IndexMigration {
     return new File(topDir, name);
   }
 
-  void generate(boolean overwrite) throws IOException {
-    if (!overwrite && indexFile.exists()) {
-      return;
-    }
+  void generate() throws IOException {
     readSqlFiles(topDir);
     generateIndex();
   }

ebean-ddl-generator/src/test/java/io/ebeaninternal/dbmigration/IndexMigrationTest.java

@@ -24,7 +24,7 @@ public class IndexMigrationTest {
     }
     DatabasePlatform pg = new PostgresPlatform();
     IndexMigration indexMigration = new IndexMigration(topDir, pg);
-    indexMigration.generate(true);
+    indexMigration.generate();
 
 
     File expected = new File(topDir, "idx_postgres.migrations");
@@ -48,7 +48,7 @@ public class IndexMigrationTest {
     }
     DatabasePlatform pg = new H2Platform();
     IndexMigration indexMigration = new IndexMigration(topDir, pg);
-    indexMigration.generate(true);
+    indexMigration.generate();
 
     File expected = new File(topDir, "idx_h2.migrations");
     assertThat(expected).exists();