[BugFix] Fix the NPE issue with cast filter condition querying the JD…

…BC data source (#56306) Signed-off-by: miomiocat <[email protected]> (cherry picked from commit eabc473)
StarRocks · Feb 26, 2025 · 25517ff · 25517ff
1 parent 2a280b8
commit 25517ff
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/fe/fe-core/src/main/java/com/starrocks/sql/analyzer/AstToStringBuilder.java b/fe/fe-core/src/main/java/com/starrocks/sql/analyzer/AstToStringBuilder.java
@@ -1100,7 +1100,11 @@ public String visitCastExpr(CastExpr node, Void context) {
             if (isImplicit) {
                 return visit(node.getChild(0));
             }
-            return "CAST(" + printWithParentheses(node.getChild(0)) + " AS " + node.getTargetTypeDef().toString() + ")";
+            if (node.getTargetTypeDef() == null) {
+                return "CAST(" + printWithParentheses(node.getChild(0)) + " AS " + node.getType().toString() + ")";
+            } else {
+                return "CAST(" + printWithParentheses(node.getChild(0)) + " AS " + node.getTargetTypeDef().toString() + ")";
+            }
         }
 
         public String visitCompoundPredicate(CompoundPredicate node, Void context) {