From 913eb1c71911752378f79c1fa978c09dd8fba83c Mon Sep 17 00:00:00 2001
From: lichuang <lichuang1982@gmail.com>
Date: Sat, 8 May 2021 17:08:29 +0800
Subject: [PATCH] cache last null columns feature

---
 src/tsdb/src/tsdbMeta.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/tsdb/src/tsdbMeta.c b/src/tsdb/src/tsdbMeta.c
index b8e3273664..9b98ca19fc 100644
--- a/src/tsdb/src/tsdbMeta.c
+++ b/src/tsdb/src/tsdbMeta.c
@@ -794,6 +794,13 @@ static void tsdbFreeTable(STable *pTable) {
     tSkipListDestroy(pTable->pIndex);
     taosTZfree(pTable->lastRow);
     tfree(pTable->sql);
+
+    for (int i = 0; i < pTable->lastColNum; ++i) {
+      if (pTable->lastCols[i].pData == NULL) {
+        continue;
+      }
+      free(pTable->lastCols[i].pData);
+    }
     free(pTable);
   }
 }
-- 
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