From e2413a062c477784aaf40062f9db7330c303177d Mon Sep 17 00:00:00 2001
From: Ganlin Zhao <ganlinzhao@hotmail.com>
Date: Sat, 7 May 2022 14:29:50 +0800
Subject: [PATCH] fix: histogram normalized can only be 0/1

---
 source/libs/function/src/builtinsimpl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index 7229cf98b0..0808ec58b0 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -1964,6 +1964,9 @@ bool histogramFunctionSetup(SqlFunctionCtx *pCtx, SResultRowEntryInfo *pResultIn
   }
   char* binDesc = varDataVal(pCtx->param[2].param.pz);
   int64_t normalized = pCtx->param[3].param.i;
+  if (normalized != 0 && normalized != 1) {
+    return false;
+  }
   if (!getHistogramBinDesc(pInfo, binDesc, binType, (bool)normalized)) {
     return false;
   }
-- 
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