From a160585e353749b6a6f2d8e620ae82165c2c3212 Mon Sep 17 00:00:00 2001
From: SSung023 <50323157+SSung023@users.noreply.github.com>
Date: Wed, 6 Nov 2024 19:31:37 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20Certification=20=ED=85=8C=EC=9D=B4?=
 =?UTF-8?q?=EB=B8=94=EC=9D=98=20=EC=9D=B8=EB=8D=B1=EC=8A=A4=20=EC=88=98?=
 =?UTF-8?q?=EC=A0=95?=
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---
 .../challenge/certification/domain/Certification.java      | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/genius/gitget/challenge/certification/domain/Certification.java b/src/main/java/com/genius/gitget/challenge/certification/domain/Certification.java
index 4813a068..9248f88d 100644
--- a/src/main/java/com/genius/gitget/challenge/certification/domain/Certification.java
+++ b/src/main/java/com/genius/gitget/challenge/certification/domain/Certification.java
@@ -31,7 +31,12 @@
 @Entity
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @DynamicInsert
-@Table(indexes = {@Index(name = "certificated_at_index", columnList = "certificated_at")})
+@Table(indexes = {
+        @Index(
+                name = "idx_participant_cert_attempt",
+                columnList = "participant_id, certificated_at, current_attempt DESC"
+        )
+})
 public class Certification extends BaseTimeEntity {
     @Id
     @Column(name = "certification_id")