From 6345682064096259a8844b054659a9fc815a342d Mon Sep 17 00:00:00 2001
From: "opensearch-trigger-bot[bot]"
 <98922864+opensearch-trigger-bot[bot]@users.noreply.github.com>
Date: Tue, 13 Feb 2024 13:12:24 -0800
Subject: [PATCH] add error handling to stats query parser antlr (#1429)
 (#1434)

(cherry picked from commit 50fe73206a06f63a3456627cc9dbc4172f3a4f07)

Signed-off-by: Paul Sebastian <paulstn@amazon.com>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
---
 common/query_manager/query_parser/ppl_query_parser.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/common/query_manager/query_parser/ppl_query_parser.ts b/common/query_manager/query_parser/ppl_query_parser.ts
index 9a39276e0c..e3acc54dd4 100644
--- a/common/query_manager/query_parser/ppl_query_parser.ts
+++ b/common/query_manager/query_parser/ppl_query_parser.ts
@@ -20,6 +20,12 @@ export class PPLQueryParser {
 
   getStats() {
     this.visitor = new StatsAstBuilder();
-    return this.visitor.visitRoot(this.parser!.root()).getTokens();
+    let inter = null;
+    try {
+      inter = this.visitor.visitRoot(this.parser!.root()).getTokens();
+    } catch (e) {
+      console.error(e);
+    }
+    return inter;
   }
 }