#374 - Add comments for when a history table trigger/function is regenerated

src/test/java/com/avaje/ebean/dbmigration/ddlgeneration/platform/PlatformDdl_dropUniqueConstraintTest.java

@@ -0,0 +1,38 @@
+package com.avaje.ebean.dbmigration.ddlgeneration.platform;
+
+import com.avaje.ebean.config.dbplatform.H2Platform;
+import com.avaje.ebean.config.dbplatform.MsSqlServer2005Platform;
+import com.avaje.ebean.config.dbplatform.MySqlPlatform;
+import com.avaje.ebean.config.dbplatform.Oracle10Platform;
+import com.avaje.ebean.config.dbplatform.PostgresPlatform;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class PlatformDdl_dropUniqueConstraintTest {
+
+
+  PlatformDdl h2Ddl = new H2Platform().getPlatformDdl();
+  PlatformDdl pgDdl = new PostgresPlatform().getPlatformDdl();
+  PlatformDdl mysqlDdl = new MySqlPlatform().getPlatformDdl();
+  PlatformDdl oraDdl = new Oracle10Platform().getPlatformDdl();
+  PlatformDdl sqlServerDdl = new MsSqlServer2005Platform().getPlatformDdl();
+
+  @Test
+  public void test() throws Exception {
+
+    String sql = h2Ddl.alterTableDropUniqueConstraint("mytab", "uq_name");
+    assertEquals("alter table mytab drop constraint uq_name", sql);
+    sql = pgDdl.alterTableDropUniqueConstraint("mytab", "uq_name");
+    assertEquals("alter table mytab drop constraint uq_name", sql);
+    sql = oraDdl.alterTableDropUniqueConstraint("mytab", "uq_name");
+    assertEquals("alter table mytab drop constraint uq_name", sql);
+    sql = sqlServerDdl.alterTableDropUniqueConstraint("mytab", "uq_name");
+    assertEquals("alter table mytab drop constraint uq_name", sql);
+
+
+    sql = mysqlDdl.alterTableDropUniqueConstraint("mytab", "uq_name");
+    assertEquals("alter table mytab drop index uq_name", sql);
+  }
+
+}