fix(memory): update message ordering in MySQL chat memory repository

Ahoo-Wang · Ahoo-Wang · commit 65d2239b5d04 · 2025-05-15T18:00:41.000+08:00
- Change the message ordering from descending to ascending in the MySQL chat memory repository
- Remove the LIMIT clause to return all messages for a conversation
diff --git a/memory/repository/spring-ai-model-chat-memory-repository-jdbc/src/main/java/org/springframework/ai/chat/memory/repository/jdbc/MysqlChatMemoryRepositoryDialect.java b/memory/repository/spring-ai-model-chat-memory-repository-jdbc/src/main/java/org/springframework/ai/chat/memory/repository/jdbc/MysqlChatMemoryRepositoryDialect.java
@@ -26,7 +26,7 @@ public class MysqlChatMemoryRepositoryDialect implements JdbcChatMemoryRepositor
 
 	@Override
 	public String getSelectMessagesSql() {
-		return "SELECT content, type FROM SPRING_AI_CHAT_MEMORY WHERE conversation_id = ? ORDER BY `timestamp` DESC LIMIT ?";
+		return "SELECT content, type FROM SPRING_AI_CHAT_MEMORY WHERE conversation_id = ? ORDER BY `timestamp` ASC";
 	}
 
 	@Override

Original file line number	Diff line number	Diff line change
`@@ -26,7 +26,7 @@ public class MysqlChatMemoryRepositoryDialect implements JdbcChatMemoryRepositor`
`26`	`26`
`27`	`27`	`@Override`
`28`	`28`	`public String getSelectMessagesSql() {`
`29`		- return "SELECT content, type FROM SPRING_AI_CHAT_MEMORY WHERE conversation_id = ? ORDER BY `timestamp` DESC LIMIT ?";
	`29`	+ return "SELECT content, type FROM SPRING_AI_CHAT_MEMORY WHERE conversation_id = ? ORDER BY `timestamp` ASC";
`30`	`30`	`}`
`31`	`31`
`32`	`32`	`@Override`