Fix select distinct lob fields with db2

ebean-ddl-generator/src/test/resources/dbinit/db2/1.4.sql

@@ -75,9 +75,7 @@ create table migtest_e_basic (
   constraint ck_migtest_e_basic_status2 check ( status2 in ('N','A','I')),
   constraint pk_migtest_e_basic primary key (id)
 );
--- alterTableAddUniqueConstraint 
 create unique index uq_migtest_e_basic_indextest2 on migtest_e_basic(indextest2) exclude null keys;
--- alterTableAddUniqueConstraint 
 create unique index uq_migtest_e_basic_indextest6 on migtest_e_basic(indextest6) exclude null keys;
 
 create table migtest_e_enum (
@@ -131,7 +129,6 @@ create table migtest_e_ref (
   name                          varchar(127) not null,
   constraint pk_migtest_e_ref primary key (id)
 );
--- alterTableAddUniqueConstraint 
 alter table migtest_e_ref add constraint uq_migtest_e_ref_name unique  (name);
 
 create table migtest_e_softdelete (

ebean-ddl-generator/src/test/resources/dbmigration/migrationtest/db2/1.0__initial.sql

@@ -75,9 +75,7 @@ create table migtest_e_basic (
   constraint ck_migtest_e_basic_status2 check ( status2 in ('N','A','I')),
   constraint pk_migtest_e_basic primary key (id)
 );
--- alterTableAddUniqueConstraint 
 create unique index uq_migtest_e_basic_indextest2 on migtest_e_basic(indextest2) exclude null keys;
--- alterTableAddUniqueConstraint 
 create unique index uq_migtest_e_basic_indextest6 on migtest_e_basic(indextest6) exclude null keys;
 
 create table migtest_e_enum (
@@ -131,7 +129,6 @@ create table migtest_e_ref (
   name                          varchar(127) not null,
   constraint pk_migtest_e_ref primary key (id)
 );
--- alterTableAddUniqueConstraint 
 alter table migtest_e_ref add constraint uq_migtest_e_ref_name unique  (name);
 
 create table migtest_e_softdelete (

ebean-ddl-generator/src/test/resources/dbmigration/migrationtest/db2/1.1.sql

@@ -67,7 +67,6 @@ alter table migtest_e_basic alter column status2 drop not null;
 call sysproc.admin_cmd('reorg table migtest_e_basic') /* reorg #1 */;
 -- db2 does not support parial null indices :( - so we have to clean;
 update migtest_e_basic set status = 'N' where id = 1;
--- alterTableAddUniqueConstraint 
 create unique index uq_migtest_e_basic_description on migtest_e_basic(description) exclude null keys;
 
 insert into migtest_e_user (id) select distinct user_id from migtest_e_basic;
@@ -111,13 +110,9 @@ if exists (select indname from syscat.indexes where indschema = current_schema a
   execute stmt;
 end if;
 end$$;
--- alterTableAddUniqueConstraint 
 create unique index uq_migtest_e_basic_status_indextest1 on migtest_e_basic(status,indextest1) exclude null keys;
--- alterTableAddUniqueConstraint 
 create unique index uq_migtest_e_basic_name on migtest_e_basic(name) exclude null keys;
--- alterTableAddUniqueConstraint 
 create unique index uq_migtest_e_basic_indextest4 on migtest_e_basic(indextest4) exclude null keys;
--- alterTableAddUniqueConstraint 
 create unique index uq_migtest_e_basic_indextest5 on migtest_e_basic(indextest5) exclude null keys;
 delimiter $$
 begin

ebean-ddl-generator/src/test/resources/dbmigration/migrationtest/db2/1.3.sql

@@ -5,7 +5,6 @@ create table migtest_e_ref (
   name                          varchar(127) not null,
   constraint pk_migtest_e_ref primary key (id)
 );
--- alterTableAddUniqueConstraint 
 alter table migtest_e_ref add constraint uq_migtest_e_ref_name unique  (name);
 
 delimiter $$
@@ -156,9 +155,7 @@ if exists (select indname from syscat.indexes where indschema = current_schema a
 end if;
 end$$;
 call sysproc.admin_cmd('reorg table migtest_e_basic') /* reorg #3 */;
--- alterTableAddUniqueConstraint 
 create unique index uq_migtest_e_basic_indextest2 on migtest_e_basic(indextest2) exclude null keys;
--- alterTableAddUniqueConstraint 
 create unique index uq_migtest_e_basic_indextest6 on migtest_e_basic(indextest6) exclude null keys;
 delimiter $$
 begin

ebean-ddl-generator/src/test/resources/dbmigration/migrationtest/db2/idx_db2.migrations

@@ -1,6 +1,6 @@
-997100585,      1.0__initial.sql
-855187652,      1.1.sql
+1580812656,     1.0__initial.sql
+312838996,      1.1.sql
 1091886546,     1.2__dropsFor_1.1.sql
--364921922,     1.3.sql
+-1041850370,    1.3.sql
 2020621716,     1.4__dropsFor_1.3.sql