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EventsDB: migrate tables to match NDatabase

This commit is contained in:
Alex Gleason 2024-05-14 20:54:09 -05:00
parent af9fb6aaa3
commit b3985e740b
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GPG Key ID: 7211D1F99744FBB7
3 changed files with 61 additions and 36 deletions
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12
src/db/DittoTables.ts
View File

@ -1,7 +1,7 @@
export interface DittoTables {
events: EventRow;
events_fts: EventFTSRow;
tags: TagRow;
nostr_events: EventRow;
nostr_tags: TagRow;
nostr_fts5: EventFTSRow;
unattached_media: UnattachedMediaRow;
author_stats: AuthorStatsRow;
event_stats: EventStatsRow;
@ -34,14 +34,14 @@ interface EventRow {
}
interface EventFTSRow {
id: string;
event_id: string;
content: string;
}
interface TagRow {
tag: string;
value: string;
event_id: string;
name: string;
value: string;
}
interface UnattachedMediaRow {

25
src/db/migrations/019_ndatabase_schema.ts Normal file
View File

@ -0,0 +1,25 @@
import { Kysely, sql } from 'kysely';
import { Conf } from '@/config.ts';
export async function up(db: Kysely<any>): Promise<void> {
await db.schema.alterTable('events').renameTo('nostr_events').execute();
await db.schema.alterTable('tags').renameTo('nostr_tags').execute();
await db.schema.alterTable('nostr_tags').renameColumn('tag', 'name').execute();
if (Conf.databaseUrl.protocol === 'sqlite:') {
await db.schema.dropTable('events_fts').execute();
await sql`CREATE VIRTUAL TABLE nostr_fts5 USING fts5(event_id, content)`.execute(db);
}
}
export async function down(db: Kysely<any>): Promise<void> {
await db.schema.alterTable('nostr_events').renameTo('events').execute();
await db.schema.alterTable('nostr_tags').renameTo('tags').execute();
await db.schema.alterTable('tags').renameColumn('name', 'tag').execute();
if (Conf.databaseUrl.protocol === 'sqlite:') {
await db.schema.dropTable('nostr_fts5').execute();
await sql`CREATE VIRTUAL TABLE events_fts USING fts5(id, content)`.execute(db);
}
}

60
src/storages/events-db.ts
View File

@ -35,7 +35,7 @@ const tagConditions: Record<string, TagCondition> = {
'role': ({ event, count }) => event.kind === 30361 && count === 0,
};
type EventQuery = SelectQueryBuilder<DittoTables, 'events', {
type EventQuery = SelectQueryBuilder<DittoTables, 'nostr_events', {
id: string;
tags: string;
kind: number;
@ -80,7 +80,7 @@ class EventsDB implements NStore {
return await this.#db.transaction().execute(async (trx) => {
/** Insert the event into the database. */
async function addEvent() {
await trx.insertInto('events')
await trx.insertInto('nostr_events')
.values({ ...event, tags: JSON.stringify(event.tags) })
.execute();
}
@ -91,18 +91,18 @@ class EventsDB implements NStore {
if (protocol !== 'sqlite:') return;
const searchContent = buildSearchContent(event);
if (!searchContent) return;
await trx.insertInto('events_fts')
.values({ id: event.id, content: searchContent.substring(0, 1000) })
await trx.insertInto('nostr_fts5')
.values({ event_id: event.id, content: searchContent.substring(0, 1000) })
.execute();
}
/** Index event tags depending on the conditions defined above. */
async function indexTags() {
const tags = filterIndexableTags(event);
const rows = tags.map(([tag, value]) => ({ event_id: event.id, tag, value }));
const rows = tags.map(([name, value]) => ({ event_id: event.id, name, value }));
if (!tags.length) return;
await trx.insertInto('tags')
await trx.insertInto('nostr_tags')
.values(rows)
.execute();
}
@ -150,17 +150,17 @@ class EventsDB implements NStore {
/** Build the query for a filter. */
getFilterQuery(db: Kysely<DittoTables>, filter: NostrFilter): EventQuery {
let query = db
.selectFrom('events')
.selectFrom('nostr_events')
.select([
'events.id',
'events.kind',
'events.pubkey',
'events.content',
'events.tags',
'events.created_at',
'events.sig',
'nostr_events.id',
'nostr_events.kind',
'nostr_events.pubkey',
'nostr_events.content',
'nostr_events.tags',
'nostr_events.created_at',
'nostr_events.sig',
])
.where('events.deleted_at', 'is', null);
.where('nostr_events.deleted_at', 'is', null);
/** Whether we are querying for replaceable events by author. */
const isAddrQuery = filter.authors &&
@ -169,7 +169,7 @@ class EventsDB implements NStore {
// Avoid ORDER BY when querying for replaceable events by author.
if (!isAddrQuery) {
query = query.orderBy('events.created_at', 'desc');
query = query.orderBy('nostr_events.created_at', 'desc');
}
for (const [key, value] of Object.entries(filter)) {
@ -177,19 +177,19 @@ class EventsDB implements NStore {
switch (key as keyof NostrFilter) {
case 'ids':
query = query.where('events.id', 'in', filter.ids!);
query = query.where('nostr_events.id', 'in', filter.ids!);
break;
case 'kinds':
query = query.where('events.kind', 'in', filter.kinds!);
query = query.where('nostr_events.kind', 'in', filter.kinds!);
break;
case 'authors':
query = query.where('events.pubkey', 'in', filter.authors!);
query = query.where('nostr_events.pubkey', 'in', filter.authors!);
break;
case 'since':
query = query.where('events.created_at', '>=', filter.since!);
query = query.where('nostr_events.created_at', '>=', filter.since!);
break;
case 'until':
query = query.where('events.created_at', '<=', filter.until!);
query = query.where('nostr_events.created_at', '<=', filter.until!);
break;
case 'limit':
query = query.limit(filter.limit!);
@ -197,21 +197,21 @@ class EventsDB implements NStore {
}
}
const joinedQuery = query.leftJoin('tags', 'tags.event_id', 'events.id');
const joinedQuery = query.leftJoin('nostr_tags', 'nostr_tags.event_id', 'nostr_events.id');
for (const [key, value] of Object.entries(filter)) {
if (key.startsWith('#') && Array.isArray(value)) {
const name = key.replace(/^#/, '');
query = joinedQuery
.where('tags.tag', '=', name)
.where('tags.value', 'in', value);
.where('nostr_tags.name', '=', name)
.where('nostr_tags.value', 'in', value);
}
}
if (filter.search && this.protocol === 'sqlite:') {
query = query
.innerJoin('events_fts', 'events_fts.id', 'events.id')
.where('events_fts.content', 'match', JSON.stringify(filter.search));
.innerJoin('nostr_fts5', 'nostr_fts5.event_id', 'nostr_events.id')
.where('nostr_fts5.content', 'match', JSON.stringify(filter.search));
}
return query;
@ -227,9 +227,9 @@ class EventsDB implements NStore {
/** Query to get user events, joined by tags. */
usersQuery() {
return this.getFilterQuery(this.#db, { kinds: [30361], authors: [Conf.pubkey] })
.leftJoin('tags', 'tags.event_id', 'events.id')
.where('tags.tag', '=', 'd')
.select('tags.value as d_tag')
.leftJoin('nostr_tags', 'nostr_tags.event_id', 'nostr_events.id')
.where('nostr_tags.name', '=', 'd')
.select('nostr_tags.value as d_tag')
.as('users');
}
@ -335,7 +335,7 @@ class EventsDB implements NStore {
const query = this.getEventsQuery(filters).clearSelect().select('id');
return await db.updateTable('events')
return await db.updateTable('nostr_events')
.where('id', 'in', () => query)
.set({ deleted_at: Math.floor(Date.now() / 1000) })
.execute();