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feat: SQL performance optimization to count instances (#9369)

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Jaanus Sellin 2025-02-27 09:11:00 +02:00 committed by GitHub
parent 4515925ac2
commit e0f0108c19
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1 changed files with 20 additions and 11 deletions
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19
src/lib/db/client-instance-store.ts
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@ -253,17 +253,26 @@ export default class ClientInstanceStore implements IClientInstanceStore {
}
async getDistinctApplicationsCount(daysBefore?: number): Promise<number> {
let query = this.db.from(TABLE);
const query = this.db
.from((qb) =>
qb
.select('app_name')
.from(TABLE)
.modify((qb) => {
if (daysBefore) {
query = query.where(
qb.where(
'last_seen',
'>',
subDays(new Date(), daysBefore),
);
}
return query
.countDistinct('app_name')
.then((res) => Number(res[0].count));
})
.groupBy('app_name')
.as('subquery'),
)
.count('* as count');
return query.then((res) => Number(res[0].count));
}
async deleteForApplication(appName: string): Promise<void> {