From 4122c76da01ba3e518ffee75772c0a8b42ac32c0 Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Mon, 25 Oct 2021 10:21:16 +0800
Subject: [PATCH] add comment

---
 src/query/src/qFilter.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/query/src/qFilter.c b/src/query/src/qFilter.c
index 94a2f6c3cf..d3d96fae33 100644
--- a/src/query/src/qFilter.c
+++ b/src/query/src/qFilter.c
@@ -2102,6 +2102,7 @@ void filterCheckColConflict(SFilterGroupCtx* gRes1, SFilterGroupCtx* gRes2, bool
         continue;
       }
 
+      // for long in operation
       if (gRes1->colInfo[idx1].optr == TSDB_RELATION_EQUAL && gRes2->colInfo[idx2].optr == TSDB_RELATION_EQUAL) {
         *conflict = true;
         return;
-- 
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