fix: fix max/min(tag) random result

d163a16f · Ganlin Zhao · 28ea375f · d163a16f
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source/libs/executor/src/scanoperator.c source/libs/executor/src/scanoperator.c +1 -1

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--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -484,7 +484,7 @@ int32_t addTagPseudoColumnData(SReadHandle* pHandle, const SExprInfo* pExpr, int
  int32_t code = 0;

  // backup the rows
-  int32_t backupRows = pBlock->info.rows;
+  int32_t backupRows = (rows == 1) ? rows : pBlock->info.rows;
  pBlock->info.rows = rows;

  bool            freeReader = false;