Fix duplicate search results

app/src/main/java/com/todoroo/andlib/sql/Field.java

@@ -50,6 +50,23 @@ public class Field extends DBObject<Field> {
     return UnaryCriterion.like(this, value);
   }
 
+  public Criterion in(final Query query) {
+    final Field field = this;
+    return new Criterion(Operator.in) {
+
+      @Override
+      protected void populate(StringBuilder sb) {
+        sb.append(field)
+            .append(SPACE)
+            .append(Operator.in)
+            .append(SPACE)
+            .append(LEFT_PARENTHESIS)
+            .append(query)
+            .append(RIGHT_PARENTHESIS);
+      }
+    };
+  }
+
   public <T> Criterion in(List<T> entries) {
     final Field field = this;
     return new Criterion(Operator.in) {

app/src/main/java/com/todoroo/astrid/api/SearchFilter.java

@@ -3,7 +3,7 @@ package com.todoroo.astrid.api;
 import android.os.Parcel;
 import android.os.Parcelable;
 import com.todoroo.andlib.sql.Criterion;
-import com.todoroo.andlib.sql.Join;
+import com.todoroo.andlib.sql.Query;
 import com.todoroo.andlib.sql.QueryTemplate;
 import com.todoroo.astrid.data.Task;
 import org.tasks.data.Tag;
@@ -37,14 +37,16 @@ public class SearchFilter extends Filter {
 
   private static QueryTemplate getQueryTemplate(String query) {
     return new QueryTemplate()
-        .join(Join.left(Tag.TABLE, Tag.TASK.eq(Task.ID)))
         .where(
             Criterion.and(
                 Task.DELETION_DATE.eq(0),
                 Criterion.or(
                     Task.NOTES.like("%" + query + "%"),
                     Task.TITLE.like("%" + query + "%"),
-                    Tag.NAME.like("%" + query + "%"))));
+                    Task.ID.in(
+                        Query.select(Tag.TASK)
+                            .from(Tag.TABLE)
+                            .where(Tag.NAME.like("%" + query + "%"))))));
   }
 
   @Override