Add indexed history search across iOS and web

2026-10-07 22:05:49 -07:00
parent 3f9c1409fe
commit dd6cd1ea7b
23 changed files with 1174 additions and 53 deletions
@@ -0,0 +1,70 @@
+-- External-content indexes avoid storing a second copy of conversation text.
+-- Keep these virtual tables and triggers in SQL: Prisma does not model FTS5.
+CREATE VIRTUAL TABLE "ChatSearch" USING fts5(
+  title, content='Chat', content_rowid='rowid',
+  tokenize='unicode61 remove_diacritics 2', prefix='1 2 3'
+);
+
+-- Hidden system prompts and tool payloads are not searchable conversation text.
+CREATE VIEW "MessageSearchContent" AS
+  SELECT rowid, content FROM "Message" WHERE role IN ('user', 'assistant');
+CREATE VIRTUAL TABLE "MessageSearch" USING fts5(
+  content, content='MessageSearchContent', content_rowid='rowid',
+  tokenize='unicode61 remove_diacritics 2', prefix='1 2 3'
+);
+
+CREATE VIRTUAL TABLE "SavedSearchSearch" USING fts5(
+  title, query, answerText, content='Search', content_rowid='rowid',
+  tokenize='unicode61 remove_diacritics 2', prefix='1 2 3'
+);
+
+CREATE TRIGGER "ChatSearch_insert" AFTER INSERT ON "Chat" BEGIN
+  INSERT INTO "ChatSearch" (rowid, title) VALUES (new.rowid, new.title);
+END;
+CREATE TRIGGER "ChatSearch_delete" AFTER DELETE ON "Chat" BEGIN
+  INSERT INTO "ChatSearch" ("ChatSearch", rowid, title) VALUES ('delete', old.rowid, old.title);
+END;
+CREATE TRIGGER "ChatSearch_update" AFTER UPDATE OF title ON "Chat"
+WHEN old.title IS NOT new.title BEGIN
+  INSERT INTO "ChatSearch" ("ChatSearch", rowid, title) VALUES ('delete', old.rowid, old.title);
+  INSERT INTO "ChatSearch" (rowid, title) VALUES (new.rowid, new.title);
+END;
+
+CREATE TRIGGER "MessageSearch_insert" AFTER INSERT ON "Message"
+WHEN new.role IN ('user', 'assistant') BEGIN
+  INSERT INTO "MessageSearch" (rowid, content) VALUES (new.rowid, new.content);
+END;
+CREATE TRIGGER "MessageSearch_delete" AFTER DELETE ON "Message"
+WHEN old.role IN ('user', 'assistant') BEGIN
+  INSERT INTO "MessageSearch" ("MessageSearch", rowid, content) VALUES ('delete', old.rowid, old.content);
+END;
+CREATE TRIGGER "MessageSearch_update" AFTER UPDATE OF content, role ON "Message"
+WHEN old.content IS NOT new.content OR old.role IS NOT new.role BEGIN
+  INSERT INTO "MessageSearch" ("MessageSearch", rowid, content)
+    SELECT 'delete', old.rowid, old.content WHERE old.role IN ('user', 'assistant');
+  INSERT INTO "MessageSearch" (rowid, content)
+    SELECT new.rowid, new.content WHERE new.role IN ('user', 'assistant');
+END;
+
+CREATE TRIGGER "SavedSearchSearch_insert" AFTER INSERT ON "Search" BEGIN
+  INSERT INTO "SavedSearchSearch" (rowid, title, query, answerText)
+    VALUES (new.rowid, new.title, new.query, new.answerText);
+END;
+CREATE TRIGGER "SavedSearchSearch_delete" AFTER DELETE ON "Search" BEGIN
+  INSERT INTO "SavedSearchSearch" ("SavedSearchSearch", rowid, title, query, answerText)
+    VALUES ('delete', old.rowid, old.title, old.query, old.answerText);
+END;
+CREATE TRIGGER "SavedSearchSearch_update" AFTER UPDATE OF title, query, answerText ON "Search"
+WHEN old.title IS NOT new.title OR old.query IS NOT new.query OR old.answerText IS NOT new.answerText BEGIN
+  INSERT INTO "SavedSearchSearch" ("SavedSearchSearch", rowid, title, query, answerText)
+    VALUES ('delete', old.rowid, old.title, old.query, old.answerText);
+  INSERT INTO "SavedSearchSearch" (rowid, title, query, answerText)
+    VALUES (new.rowid, new.title, new.query, new.answerText);
+END;
+
+-- Index existing history during migration, then maintain it transactionally.
+INSERT INTO "ChatSearch" ("ChatSearch") VALUES ('rebuild');
+INSERT INTO "MessageSearch" ("MessageSearch") VALUES ('rebuild');
+INSERT INTO "SavedSearchSearch" ("SavedSearchSearch") VALUES ('rebuild');
+
+CREATE INDEX "Chat_updatedAt_idx" ON "Chat"("updatedAt");