1 files changed, 12 insertions, 0 deletions
diff --git a/java/com/android/dialer/calllog/datasources/util/RowCombiner.java b/java/com/android/dialer/calllog/datasources/util/RowCombiner.java
index 6e33db51e..2bb65cc3e 100644
--- a/java/com/android/dialer/calllog/datasources/util/RowCombiner.java
+++ b/java/com/android/dialer/calllog/datasources/util/RowCombiner.java
@@ -80,6 +80,18 @@ public class RowCombiner {
     return this;
   }
 
+  /** Asserts that all column values for the given column name are the same, and uses it. */
+  public RowCombiner useSingleValueInt(String columnName) {
+    Iterator<ContentValues> iterator = individualRowsSortedByTimestampDesc.iterator();
+    Integer singleValue = iterator.next().getAsInteger(columnName);
+    while (iterator.hasNext()) {
+      Integer current = iterator.next().getAsInteger(columnName);
+      Assert.checkState(Objects.equals(singleValue, current), "Values different for " + columnName);
+    }
+    combinedRow.put(columnName, singleValue);
+    return this;
+  }
+
   /** Performs a bitwise OR on the specified column and yields the result. */
   public RowCombiner bitwiseOr(String columnName) {
     int combinedValue = 0;