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업로드된 청크 목록을 비트맵을 활용해 효율적으로 저장하도록 개선

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static
2026-01-12 18:37:36 +09:00
parent c778a4fb9e
commit 00b9858db7
10 changed files with 83 additions and 94 deletions
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13
src/lib/server/db/migrations/1768062380-AddChunkedUpload.ts
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@@ -21,8 +21,14 @@ export const up = async (db: Kysely<any>) => {
.addColumn("type", "text", (col) => col.notNull())
.addColumn("user_id", "integer", (col) => col.references("user.id").notNull())
.addColumn("path", "text", (col) => col.notNull())
.addColumn("bitmap", "bytea", (col) => col.notNull())
.addColumn("total_chunks", "integer", (col) => col.notNull())
.addColumn("uploaded_chunks", sql`integer[]`, (col) => col.notNull().defaultTo(sql`'{}'`))
.addColumn("uploaded_chunks", "integer", (col) =>
col
.generatedAlwaysAs(sql`bit_count(bitmap)`)
.stored()
.notNull(),
)
.addColumn("expires_at", "timestamp(3)", (col) => col.notNull())
.addColumn("parent_id", "integer", (col) => col.references("directory.id"))
.addColumn("master_encryption_key_version", "integer")
@@ -46,6 +52,11 @@ export const up = async (db: Kysely<any>) => {
"hmac_secret_key",
["user_id", "version"],
)
.addCheckConstraint("upload_session_ck01", sql`uploaded_chunks <= total_chunks`)
.addCheckConstraint(
"upload_session_ck02",
sql`length(bitmap) = ceil(total_chunks / 8.0)::integer`,
)
.execute();
};