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spring-ai/chat-memory/output/13-jdbc-1x-table-upgrade.txt
T
Claude 823f6fac5b Add chat-memory module: MessageWindowChatMemory, JDBC and Redis repositories, per-user conversation IDs
Real PostgreSQL 16 and Redis Stack 7.4; 24 tests write output/01-24. Covers the 20-message
default window with no property, the 36-character conversation_id, tool messages dropped by
JdbcChatMemoryRepository, concurrent add() on one conversation, a 1.x table under the 2.0
repository, the Redis repository silently backing off for a custom ChatMemory, and the
removal of PromptChatMemoryAdvisor.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Ja4jkzrbQ4LQZBNrb5mkZE
2026-09-24 15:56:47 +00:00

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# A Spring AI 1.x table under the 2.0 repository
A 1.1.x-shaped table (no sequence_id column) holds 2 rows for "old-conv".
2.0.1 repository, findByConversationId("old-conv"):
ERROR: column "sequence_id" does not exist
Migration: add the column, backfill it from the timestamp order, then make it NOT NULL:
ALTER TABLE SPRING_AI_CHAT_MEMORY ADD COLUMN sequence_id BIGINT
UPDATE SPRING_AI_CHAT_MEMORY m SET sequence_id = s.rn FROM (SELECT ctid AS c, row_number() OVER (PARTITION ...
ALTER TABLE SPRING_AI_CHAT_MEMORY ALTER COLUMN sequence_id SET NOT NULL
CREATE INDEX IF NOT EXISTS SPRING_AI_CHAT_MEMORY_CONVERSATION_ID_SEQUENCE_ID_IDX ON SPRING_AI_CHAT_MEMORY(c...
findByConversationId("old-conv") after the migration:
USER My name is Priya
ASSISTANT Nice to meet you, Priya.