bug fixed for visitor

2023-03-04 19:17:16 +00:00 · 2014-06-01 10:45:10 +08:00
parent d4fcdf60a4
commit 9f8d33dbdb
1 changed files with 5 additions and 0 deletions
@@ -808,6 +808,11 @@ public class SQLEvalVisitorUtils {
            x.putAttribute(EVAL_VALUE, EVAL_ERROR);
            return false;
        }
+        
+        if (val == null) {
+            x.putAttribute(EVAL_VALUE, EVAL_VALUE_NULL);
+            return false;
+        }

        switch (x.getOperator()) {
            case BINARY: