From e681096edcc76da5567139561eb9900671692874 Mon Sep 17 00:00:00 2001
From: nobigo <nobigogle@gmail.com>
Date: Fri, 20 Dec 2024 20:28:16 +0800
Subject: [PATCH] Revert [CALCITE-5036]
 `RelMetadataQuery#getPulledUpPredicates` support to analyze constant key for
 the operator of IS_NOT_DISTINCT_FROM

---
 .../org/apache/calcite/rel/metadata/RelMdPredicates.java | 9 +--------
 .../java/org/apache/calcite/test/RelOptRulesTest.java    | 2 ++
 .../org/apache/calcite/test/RelOptRulesTest.xml          | 9 +++++----
 3 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/core/src/main/java/org/apache/calcite/rel/metadata/RelMdPredicates.java b/core/src/main/java/org/apache/calcite/rel/metadata/RelMdPredicates.java
index 396b3300b4a..f162f27e832 100644
--- a/core/src/main/java/org/apache/calcite/rel/metadata/RelMdPredicates.java
+++ b/core/src/main/java/org/apache/calcite/rel/metadata/RelMdPredicates.java
@@ -308,18 +308,11 @@ public RelOptPredicateList getPredicates(Filter filter, RelMetadataQuery mq) {
     final RexBuilder rexBuilder = filter.getCluster().getRexBuilder();
     final RelOptPredicateList inputInfo = mq.getPulledUpPredicates(input);
 
-    // Simplify condition using RexSimplify.
-    final RexNode condition = filter.getCondition();
-    final RexExecutor executor =
-        Util.first(filter.getCluster().getPlanner().getExecutor(), RexUtil.EXECUTOR);
-    final RexSimplify simplify = new RexSimplify(rexBuilder, RelOptPredicateList.EMPTY, executor);
-    final RexNode simplifiedCondition = simplify.simplify(condition);
-
     return Util.first(inputInfo, RelOptPredicateList.EMPTY)
         .union(rexBuilder,
             RelOptPredicateList.of(rexBuilder,
                 RexUtil.retainDeterministic(
-                    RelOptUtil.conjunctions(simplifiedCondition))));
+                    RelOptUtil.conjunctions(filter.getCondition()))));
   }
 
   /**
diff --git a/core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java b/core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java
index 680c8298a13..b0324902f1d 100644
--- a/core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java
+++ b/core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java
@@ -5854,6 +5854,7 @@ private HepProgram getTransitiveProgram() {
         + "where deptno is not distinct from 10";
     sql(sql).withPre(getTransitiveProgram())
         .withRule(CoreRules.JOIN_PUSH_TRANSITIVE_PREDICATES,
+            CoreRules.FILTER_REDUCE_EXPRESSIONS,
             CoreRules.PROJECT_REDUCE_EXPRESSIONS)
         .check();
   }
@@ -5864,6 +5865,7 @@ private HepProgram getTransitiveProgram() {
         + "where mgr is not distinct from null";
     sql(sql).withPre(getTransitiveProgram())
         .withRule(CoreRules.JOIN_PUSH_TRANSITIVE_PREDICATES,
+            CoreRules.FILTER_REDUCE_EXPRESSIONS,
             CoreRules.PROJECT_REDUCE_EXPRESSIONS)
         .check();
   }
diff --git a/core/src/test/resources/org/apache/calcite/test/RelOptRulesTest.xml b/core/src/test/resources/org/apache/calcite/test/RelOptRulesTest.xml
index fba6338e05f..25520355ae7 100644
--- a/core/src/test/resources/org/apache/calcite/test/RelOptRulesTest.xml
+++ b/core/src/test/resources/org/apache/calcite/test/RelOptRulesTest.xml
@@ -5165,8 +5165,9 @@ LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4], SAL=[$
       <![CDATA[
 LogicalProject(EMPNO=[$0], ENAME=[$1], JOB=[$2], MGR=[$3], HIREDATE=[$4], SAL=[$5], COMM=[$6], DEPTNO=[$7], SLACKER=[$8], EMPNO0=[$9], ENAME0=[$10], JOB0=[$11], MGR0=[$12], HIREDATE0=[$13], SAL0=[$14], COMM0=[$15], DEPTNO0=[$16], SLACKER0=[$17])
   LogicalJoin(condition=[=($16, $7)], joinType=[inner])
-    LogicalFilter(condition=[NOT(OR(=($7, 4), =($7, 6)))])
-      LogicalTableScan(table=[[CATALOG, SALES, EMP]])
+    LogicalFilter(condition=[SEARCH($7, Sarg[(-∞..4), (4..6), (6..+∞)])])
+      LogicalFilter(condition=[NOT(OR(=($7, 4), =($7, 6)))])
+        LogicalTableScan(table=[[CATALOG, SALES, EMP]])
     LogicalFilter(condition=[SEARCH($7, Sarg[(-∞..4), (4..6), (6..+∞)])])
       LogicalTableScan(table=[[CATALOG, SALES, EMP]])
 ]]>
@@ -8920,7 +8921,7 @@ LogicalProject(DEPTNO=[$7], EXPR$1=[+($7, 1)], EXPR$2=[+($0, $7)])
     <Resource name="planAfter">
       <![CDATA[
 LogicalProject(DEPTNO=[10], EXPR$1=[11], EXPR$2=[+($0, 10)])
-  LogicalFilter(condition=[OR(AND(IS NULL($7), IS NULL(10)), IS TRUE(=($7, 10)))])
+  LogicalFilter(condition=[=($7, 10)])
     LogicalTableScan(table=[[CATALOG, SALES, EMP]])
 ]]>
     </Resource>
@@ -8957,7 +8958,7 @@ LogicalProject(MGR=[$3], DEPTNO=[$7])
     <Resource name="planAfter">
       <![CDATA[
 LogicalProject(MGR=[null:INTEGER], DEPTNO=[$7])
-  LogicalFilter(condition=[OR(AND(IS NULL($3), IS NULL(null:INTEGER)), IS TRUE(=($3, null)))])
+  LogicalFilter(condition=[IS NULL($3)])
     LogicalTableScan(table=[[CATALOG, SALES, EMP]])
 ]]>
     </Resource>