simple join select (#39)

* simple join select

* test for simple join select

* test for simple join select

src/main/java/com/iciql/Query.java

@@ -291,7 +291,11 @@ public class Query<T> {
         List<T> result = Utils.newArrayList();
         TableDefinition<T> def = from.getAliasDefinition();
         SQLStatement stat = getSelectStatement(distinct);
-        def.appendSelectList(stat);
+        if (isJoin()) {
+            def.appendSelectList(stat, from.getAs());
+        } else {
+            def.appendSelectList(stat);
+        }
         appendFromWhere(stat);
         ResultSet rs = stat.executeQuery();
         try {

src/main/java/com/iciql/TableDefinition.java

@@ -1150,6 +1150,17 @@ public class TableDefinition<T> {
         }
     }
 
+    void appendSelectList(SQLStatement stat, String as) {
+        for (int i = 0; i < fields.size(); i++) {
+            if (i > 0) {
+                stat.appendSQL(", ");
+            }
+            stat.appendSQL(as + ".");
+            FieldDefinition def = fields.get(i);
+            stat.appendColumn(def.columnName);
+        }
+    }
+
     <Y, X> void appendSelectList(SQLStatement stat, Query<Y> query, X x) {
         // select t0.col1, t0.col2, t0.col3...
         // select table1.col1, table1.col2, table1.col3...

src/test/java/com/iciql/test/JoinTest.java

@@ -58,13 +58,24 @@ public class JoinTest {
                 .select(new UserNote() {
                     {
                         userId = n.userId;
-                        noteId = n.noteId;
+                        id = n.id;
                         text = n.text;
                     }
                 });
         assertEquals(3, notes.size());
     }
 
+    @Test
+    public void testPrimitiveJoinAndSimpleSelect() throws Exception {
+        final UserId u = new UserId();
+        final UserNote n = new UserNote();
+
+        List<UserId> userIds = db.from(u).innerJoin(n).on(u.id).is(n.userId).where(n.text).is("D")
+                .select();
+        assertEquals(1, userIds.size());
+        assertEquals(1, userIds.get(0).id);
+    }
+
     @Test
     public void testJoin() throws Exception {
         final UserId u = new UserId();
@@ -140,7 +151,7 @@ public class JoinTest {
     public static class UserNote {
 
         @IQColumn(autoIncrement = true, primaryKey = true)
-        public int noteId;
+        public int id;
 
         @IQColumn
         public int userId;