daiyongkang
76f266645d
含 Phase 1.1 IM seq 排序、断线重连、多端已读同步与微信式语音转文字 UI。 排除 node_modules、构建产物、安装包与 .env 密钥。 Co-authored-by: Cursor <cursoragent@cursor.com>
27 lines
1021 B
SQL
27 lines
1021 B
SQL
-- Phase 1.1: 会话级单调递增 seq，用于消息排序、去重与断线补拉
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ALTER TABLE "ImConversation" ADD COLUMN IF NOT EXISTS "nextSeq" INTEGER NOT NULL DEFAULT 1;
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ALTER TABLE "ImMessage" ADD COLUMN IF NOT EXISTS "seq" INTEGER NOT NULL DEFAULT 0;
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ALTER TABLE "ImReadCursor" ADD COLUMN IF NOT EXISTS "lastReadSeq" INTEGER NOT NULL DEFAULT 0;
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-- 按 createdAt 回填历史 seq
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WITH ranked AS (
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SELECT id, ROW_NUMBER() OVER (PARTITION BY "conversationId" ORDER BY "createdAt", id) AS rn
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FROM "ImMessage"
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)
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UPDATE "ImMessage" m SET seq = ranked.rn FROM ranked WHERE m.id = ranked.id;
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UPDATE "ImConversation" c
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SET "nextSeq" = COALESCE((
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SELECT MAX(seq) + 1 FROM "ImMessage" WHERE "conversationId" = c.id
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), 1);
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UPDATE "ImReadCursor" rc
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SET "lastReadSeq" = COALESCE((
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SELECT MAX(seq) FROM "ImMessage" m
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WHERE m."conversationId" = rc."conversationId" AND m."createdAt" <= rc."lastReadAt"
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), 0);
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CREATE INDEX IF NOT EXISTS "ImMessage_conversationId_seq_idx" ON "ImMessage"("conversationId", "seq");
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