From 1d36be4bb00e3930f51df75e52cc057412ca77b8 Mon Sep 17 00:00:00 2001
From: Benguang Zhao <bgzhao@taosdata.com>
Date: Wed, 13 Jul 2022 19:13:39 +0800
Subject: [PATCH] fix: resolve memory leak on select interp... where range...

---
 src/query/inc/qSqlparser.h | 6 ++++--
 src/query/src/qSqlParser.c | 4 ++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/query/inc/qSqlparser.h b/src/query/inc/qSqlparser.h
index f3253c0d83..861b1e6114 100644
--- a/src/query/inc/qSqlparser.h
+++ b/src/query/inc/qSqlparser.h
@@ -96,9 +96,11 @@ typedef struct SIntervalVal {
   SStrToken          offset;
 } SIntervalVal;
 
+typedef struct tSqlExpr tSqlExprTimestamp;
+
 typedef struct SRangeVal {
-  void          *start;
-  void          *end;
+  tSqlExprTimestamp *start;
+  tSqlExprTimestamp *end;
 } SRangeVal;
 
 typedef struct SSessionWindowVal {
diff --git a/src/query/src/qSqlParser.c b/src/query/src/qSqlParser.c
index 0c8854719c..1fdf51e9b9 100644
--- a/src/query/src/qSqlParser.c
+++ b/src/query/src/qSqlParser.c
@@ -1159,6 +1159,10 @@ void destroySqlNode(SSqlNode *pSqlNode) {
   pSqlNode->fillType = NULL;
 
   tSqlExprDestroy(pSqlNode->pHaving);
+
+  tSqlExprDestroy(pSqlNode->pRange.start);
+  tSqlExprDestroy(pSqlNode->pRange.end);
+
   free(pSqlNode);
 }
 
-- 
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