From df7c967d54685b18de62b8607b6eb7bfdbc05961 Mon Sep 17 00:00:00 2001
From: NTH19 <3310288189@qq.com>
Date: Fri, 19 Aug 2022 22:35:28 +0800
Subject: [PATCH] when eq Filtercount <6 ,the speed of for loop is faster than
 hashmap

add threshold for eqFilter
---
 dbcon/joblist/dictstep-jl.cpp    | 6 ++++--
 dbcon/joblist/primitivestep.h    | 1 +
 primitives/primproc/dictstep.cpp | 2 --
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/dbcon/joblist/dictstep-jl.cpp b/dbcon/joblist/dictstep-jl.cpp
index 1e39d2407..86f6f4340 100644
--- a/dbcon/joblist/dictstep-jl.cpp
+++ b/dbcon/joblist/dictstep-jl.cpp
@@ -49,14 +49,16 @@ DictStepJL::DictStepJL(const pDictionaryStep& dict)
 
   hasEqFilter = dict.hasEqualityFilter;
 
-  if (hasEqFilter)
+  if (hasEqFilter && dict.eqFilter.size()> USEEQFILTERTHRESHOLD)
   {
     eqOp = dict.tmpCOP;
     eqFilter = dict.eqFilter;
   }
   else
+  {
+    hasEqFilter=false;
     filterString = dict.fFilterString;
-
+  }
   filterCount = dict.fFilterCount;
   charsetNumber = dict.fColType.charsetNumber;
 }
diff --git a/dbcon/joblist/primitivestep.h b/dbcon/joblist/primitivestep.h
index 7b3ebe205..3a19b5b83 100644
--- a/dbcon/joblist/primitivestep.h
+++ b/dbcon/joblist/primitivestep.h
@@ -544,6 +544,7 @@ class pColScanStep : public JobStep
 /** @brief class pDictionaryStep
  *
  */
+#define USEEQFILTERTHRESHOLD 6
 class pDictionaryStep : public JobStep
 {
  public:
diff --git a/primitives/primproc/dictstep.cpp b/primitives/primproc/dictstep.cpp
index 69fa86ccc..b4152e2d6 100644
--- a/primitives/primproc/dictstep.cpp
+++ b/primitives/primproc/dictstep.cpp
@@ -346,8 +346,6 @@ void DictStep::_execute()
     newRidList[i].pos = i;
   }
 
-  sort(&newRidList[0], &newRidList[bpp->ridCount], TokenSorter());
-
   tmpResultCounter = 0;
   i = 0;