A batch is stored in one transaction and only at its range's resume point, so a retried batch can't count twice. Garbage is judged before per-article: a dropped tool isn't worth reading bodies for either. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
33 lines
1.2 KiB
TypeScript
33 lines
1.2 KiB
TypeScript
import db from '@adonisjs/lucid/services/db'
|
|
import env from '#start/env'
|
|
|
|
/** Months ahead that always have a release_chunks partition. */
|
|
const AHEAD = 2
|
|
|
|
/**
|
|
* release_chunks is partitioned by month of writing (REBUILD.md, decision a).
|
|
* Inserts fail without a partition for now(), so the current and the next
|
|
* months' partitions are created before they are needed; checked once per
|
|
* process and month.
|
|
*/
|
|
class ChunkPartitions {
|
|
private ensuredFor: string | null = null
|
|
|
|
async ensure(now = new Date()) {
|
|
const month = now.toISOString().slice(0, 7)
|
|
if (this.ensuredFor === month) return
|
|
const tablespace = env.get('CHUNK_TABLESPACE')
|
|
for (let i = 0; i <= AHEAD; i++) {
|
|
const from = new Date(Date.UTC(now.getUTCFullYear(), now.getUTCMonth() + i, 1))
|
|
const to = new Date(Date.UTC(now.getUTCFullYear(), now.getUTCMonth() + i + 1, 1))
|
|
const name = `release_chunks_${from.toISOString().slice(0, 7).replace('-', '')}`
|
|
await db.rawQuery(
|
|
`CREATE TABLE IF NOT EXISTS ${name} PARTITION OF release_chunks FOR VALUES FROM ('${from.toISOString()}') TO ('${to.toISOString()}')${tablespace ? ` TABLESPACE ${tablespace}` : ''}`
|
|
)
|
|
}
|
|
this.ensuredFor = month
|
|
}
|
|
}
|
|
|
|
export default new ChunkPartitions()
|