[enhancement](Nereids): speedup graphsimplifier (apache#26066)

1. fix some bugs in graphsimplifier 2. remove some time costed code 3. add shape check for graphsimplifier
englefly · Oct 30, 2023 · b3f31f9 · b3f31f9
1 parent 619f2bb
commit b3f31f9
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Showing 5 changed files with 183 additions and 171 deletions.
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/cost/Cost.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/cost/Cost.java
@@ -27,16 +27,6 @@
 public interface Cost {
     double getValue();
 
-    /**
-     * This is for calculating the cost in simplifier
-     */
-    static Cost withRowCount(double rowCount) {
-        if (ConnectContext.get().getSessionVariable().getEnableNewCostModel()) {
-            return new CostV2(0, rowCount, 0);
-        }
-        return new CostV1(rowCount);
-    }
-
     /**
      * return zero cost
      */

diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/cost/CostV1.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/cost/CostV1.java
@@ -45,13 +45,6 @@ public CostV1(double cpuCost, double memoryCost, double networkCost) {
                 + costWeight.networkWeight * networkCost;
     }
 
-    public CostV1(double cost) {
-        this.cost = cost;
-        this.cpuCost = 0;
-        this.networkCost = 0;
-        this.memoryCost = 0;
-    }
-
     public static CostV1 infinite() {
         return INFINITE;
     }