From a8ff99438ff52ea6a0845637dda993e32294c69a Mon Sep 17 00:00:00 2001
From: yijiue <41231096+yijiue@users.noreply.github.com>
Date: Thu, 28 Oct 2021 16:30:30 +0800
Subject: [PATCH] Update RestfulResultSet.java (#8468)

Fixed issue where wasNull=true could not be assigned because the previous value wasNull
---
 .../main/java/com/taosdata/jdbc/rs/RestfulResultSet.java   | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/RestfulResultSet.java b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/RestfulResultSet.java
index 1ea39236b6..835c6f8701 100644
--- a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/RestfulResultSet.java
+++ b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/RestfulResultSet.java
@@ -255,8 +255,11 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
         checkAvailability(columnIndex, resultSet.get(pos).size());
 
         Object value = resultSet.get(pos).get(columnIndex - 1);
-        if (value == null)
+        if (value == null) {
+            wasNull = true;
             return null;
+        }
+        wasNull = false;
         if (value instanceof byte[])
             return new String((byte[]) value);
         return value.toString();
@@ -663,4 +666,4 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
         return isClosed;
     }
 
-}
\ No newline at end of file
+}
-- 
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