support empty field param for DCount

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1901243 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/poi/src/main/java/org/apache/poi/ss/formula/functions/DStarRunner.java b/poi/src/main/java/org/apache/poi/ss/formula/functions/DStarRunner.java
index fc2e61b01a57e1a3e6d0966a614ffd51b9e42943..2af4de18675b7e572a09276315b606932479a42f 100644 (file)
--- a/poi/src/main/java/org/apache/poi/ss/formula/functions/DStarRunner.java
+++ b/poi/src/main/java/org/apache/poi/ss/formula/functions/DStarRunner.java
@@ -30,6 +30,7 @@ import org.apache.poi.ss.formula.eval.StringEval;
 import org.apache.poi.ss.formula.eval.StringValueEval;
 import org.apache.poi.ss.formula.eval.ValueEval;
 import org.apache.poi.ss.util.NumberComparer;
+import org.apache.poi.util.Internal;
 import org.apache.poi.util.LocaleUtil;
 
 /**
@@ -41,6 +42,7 @@ import org.apache.poi.util.LocaleUtil;
  * - wildcards ? and * in string conditions
  * - functions as conditions
  */
+@Internal
 public final class DStarRunner implements Function3Arg {
     /**
      * Enum for convenience to identify and source implementations of the D* functions