From af2f66661cf26af3e7808d0337f00cd5ba58d7e3 Mon Sep 17 00:00:00 2001
From: ljl <17743125563@163.com>
Date: Wed, 11 Dec 2024 15:32:44 +0800
Subject: [PATCH] spi-stats:fix validate sql.

---
 backend/spi/spi-stats/src/serv/pg/stats_pg_sync_serv.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/backend/spi/spi-stats/src/serv/pg/stats_pg_sync_serv.rs b/backend/spi/spi-stats/src/serv/pg/stats_pg_sync_serv.rs
index 0a18c3b3..b9f81147 100644
--- a/backend/spi/spi-stats/src/serv/pg/stats_pg_sync_serv.rs
+++ b/backend/spi/spi-stats/src/serv/pg/stats_pg_sync_serv.rs
@@ -362,6 +362,9 @@ fn process_sql(sql: &str, fact_record: &HashMap<String, Value>) -> TardisResult<
 
 /// validate fact and fact col sql
 pub(crate) fn validate_select_sql(sql: &str) -> bool {
+    if sql.is_empty() {
+        return true;
+    }
     let re = Regex::new(r"(?i)^\s*select\b").expect("should compile regex");
     re.is_match(&sql)
 }