pref: add fulltext index for bookmarkEntries.text

app/db/migrations/20230511032932_bookmarkEntries-text-fulltext-key.ts

@@ -0,0 +1,11 @@
+import type { Knex } from "knex";
+
+export async function up(knex: Knex) {
+  await knex.raw(
+    "ALTER TABLE `bookmarkEntries` ADD FULLTEXT KEY `text` (`text`) /*!50100 WITH PARSER `ngram` */ ;"
+  );
+}
+
+export async function down(knex: Knex) {
+  await knex.raw("ALTER TABLE `bookmarkEntries` DROP KEY `text`;");
+}

app/db/skeema/README.md

@@ -3,27 +3,24 @@
 we started to experiment with skeema.
 we still use knex to apply migrations, but it's already useful enough during development.
 
-## generate knex migrations
+## generate up/down migrations
 
 ```
 # 0. update skeema/some-table.sql
 
-# 1. generate empty knex migration
-pnpm knex migrate:make some-migration
-
-# 2. diff for `up` knex migration
+# 1. diff for "up" migration
 pnpm skeema diff --allow-unsafe
 
-# 3. apply knex migration
-pnpm knex migrate:up
+# 2. apply "up"
+pnpm skeema push --allow-unsafe
 
-# 4. temporary revert skeema/some-table.sql
+# 3. temporary revert skeema/some-table.sql
 git stash
 
-# 5. diff for `down` knex migration
+# 4. diff for "down" migration
 pnpm skeema diff --allow-unsafe
 
-# 6. restore skeema/some-table.sql
+# 5. restore skeema/some-table.sql
 git stash pop
 ```
 

app/db/skeema/bookmarkEntries.sql

@@ -11,5 +11,6 @@ CREATE TABLE `bookmarkEntries` (
   PRIMARY KEY (`id`),
   KEY `bookmarkEntries_userId_createdAt_key` (`userId`,`createdAt`),
   KEY `bookmarkEntries_videoId_key` (`videoId`),
-  KEY `bookmarkEntries_captionEntryId_key` (`captionEntryId`)
+  KEY `bookmarkEntries_captionEntryId_key` (`captionEntryId`),
+  FULLTEXT KEY `text` (`text`) /*!50100 WITH PARSER `ngram` */ 
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

app/trpc/routes/bookmarks.ts

@@ -121,8 +121,12 @@ export const trpcRoutesBookmarks = {
         .where(
           E.and(
             E.eq(T.bookmarkEntries.userId, ctx.user.id),
-            // TODO: index
-            mapOption(input.q, (v) => E.like(T.bookmarkEntries.text, `%${v}%`))
+            // cf. https://dev.mysql.com/doc/refman/8.0/en/fulltext-boolean.html
+            mapOption(
+              input.q,
+              (v) =>
+                sql`MATCH (${T.bookmarkEntries.text}) AGAINST (${v} IN BOOLEAN MODE)`
+            )
           )
         )
         .orderBy(E.desc(T.bookmarkEntries.createdAt))