1 files changed, 14 insertions, 0 deletions
diff --git a/core/java/android/database/DatabaseUtils.java b/core/java/android/database/DatabaseUtils.java
index 99d260e..40a54cf 100644
--- a/core/java/android/database/DatabaseUtils.java
+++ b/core/java/android/database/DatabaseUtils.java
@@ -1386,4 +1386,18 @@ public class DatabaseUtils {
         System.arraycopy(newValues, 0, result, originalValues.length, newValues.length);
         return result;
     }
+
+    /**
+     * Returns column index of "_id" column, or -1 if not found.
+     * @hide
+     */
+    public static int findRowIdColumnIndex(String[] columnNames) {
+        int length = columnNames.length;
+        for (int i = 0; i < length; i++) {
+            if (columnNames[i].equals("_id")) {
+                return i;
+            }
+        }
+        return -1;
+    }
 }