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morrysnow pushed a commit to branch branch-2.0
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The following commit(s) were added to refs/heads/branch-2.0 by this push:
     new 6c34de6adf3 [fix](Nereids) datetimev2 literal equals should compare 
microsecond (#40121) (#40279)
6c34de6adf3 is described below

commit 6c34de6adf3f1633fa6f7492735331761b78239b
Author: morrySnow <101034200+morrys...@users.noreply.github.com>
AuthorDate: Mon Sep 2 21:45:49 2024 +0800

    [fix](Nereids) datetimev2 literal equals should compare microsecond 
(#40121) (#40279)
    
    pick from master #40121
---
 .../nereids/trees/expressions/literal/DateTimeV2Literal.java   |  7 ++++++-
 .../nereids/trees/expressions/literal/DateTimeLiteralTest.java | 10 ++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git 
a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeV2Literal.java
 
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeV2Literal.java
index 784167c81ca..fea92fd86ec 100644
--- 
a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeV2Literal.java
+++ 
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeV2Literal.java
@@ -99,6 +99,11 @@ public class DateTimeV2Literal extends DateTimeLiteral {
                 getDataType().toCatalogDataType());
     }
 
+    @Override
+    public double getDouble() {
+        return super.getDouble() + microSecond / 1000000.0;
+    }
+
     @Override
     public String toString() {
         return getStringValue();
@@ -233,6 +238,6 @@ public class DateTimeV2Literal extends DateTimeLiteral {
             return false;
         }
         DateTimeV2Literal literal = (DateTimeV2Literal) o;
-        return Objects.equals(dataType, literal.dataType);
+        return Objects.equals(dataType, literal.dataType) && 
Objects.equals(microSecond, literal.microSecond);
     }
 }
diff --git 
a/fe/fe-core/src/test/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeLiteralTest.java
 
b/fe/fe-core/src/test/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeLiteralTest.java
index a7553ef658b..e7606cca352 100644
--- 
a/fe/fe-core/src/test/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeLiteralTest.java
+++ 
b/fe/fe-core/src/test/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeLiteralTest.java
@@ -485,4 +485,14 @@ class DateTimeLiteralTest {
         Assertions.assertEquals(1, literal.roundCeiling(0).month);
         Assertions.assertEquals(2001, literal.roundCeiling(0).year);
     }
+
+    @Test
+    void testEquals() {
+        DateTimeV2Literal l1 = new DateTimeV2Literal(1, 1, 1, 1, 1, 1, 1);
+        DateTimeV2Literal l2 = new DateTimeV2Literal(1, 1, 1, 1, 1, 1, 1);
+        DateTimeV2Literal l3 = new DateTimeV2Literal(1, 1, 1, 1, 1, 1, 2);
+
+        Assertions.assertEquals(l1, l2);
+        Assertions.assertNotEquals(l1, l3);
+    }
 }


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