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feat(server): add doc history support (#4970)

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liuyi
2023-11-22 03:31:22 +00:00
parent 5f1a124b53
commit b7d6237c20
2 changed files with 34 additions and 6 deletions
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14
packages/backend/server/migrations/20231117062115_history/migration.sql Normal file
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@@ -0,0 +1,14 @@
-- AlterTable
ALTER TABLE "blobs" ADD COLUMN "deleted_at" TIMESTAMPTZ(6);
-- CreateTable
CREATE TABLE "snapshot_histories" (
"workspace_id" VARCHAR(36) NOT NULL,
"guid" VARCHAR(36) NOT NULL,
"seq" INTEGER NOT NULL,
"blob" BYTEA NOT NULL,
"state" BYTEA,
"created_at" TIMESTAMPTZ(6) NOT NULL DEFAULT CURRENT_TIMESTAMP,
CONSTRAINT "snapshot_histories_pkey" PRIMARY KEY ("workspace_id","guid","seq")
);

26
packages/backend/server/schema.prisma
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@@ -164,12 +164,14 @@ model VerificationToken {
} }
model Blob { model Blob {
id Int @id @default(autoincrement()) @db.Integer id Int @id @default(autoincrement()) @db.Integer
hash String @db.VarChar hash String @db.VarChar
workspaceId String @map("workspace_id") @db.VarChar workspaceId String @map("workspace_id") @db.VarChar
blob Bytes @db.ByteA blob Bytes @db.ByteA
length BigInt length BigInt
createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6) createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
// not for keeping, but for snapshot history
deletedAt DateTime? @map("deleted_at") @db.Timestamptz(6)
@@unique([workspaceId, hash]) @@unique([workspaceId, hash])
@@map("blobs") @@map("blobs")
@@ -191,8 +193,8 @@ model OptimizedBlob {
// the latest snapshot of each doc that we've seen // the latest snapshot of each doc that we've seen
// Snapshot + Updates are the latest state of the doc // Snapshot + Updates are the latest state of the doc
model Snapshot { model Snapshot {
id String @default(uuid()) @map("guid") @db.VarChar
workspaceId String @map("workspace_id") @db.VarChar workspaceId String @map("workspace_id") @db.VarChar
id String @default(uuid()) @map("guid") @db.VarChar
blob Bytes @db.ByteA blob Bytes @db.ByteA
seq Int @default(0) @db.Integer seq Int @default(0) @db.Integer
state Bytes? @db.ByteA state Bytes? @db.ByteA
@@ -214,6 +216,18 @@ model Update {
@@map("updates") @@map("updates")
} }
model SnapshotHistory {
workspaceId String @map("workspace_id") @db.VarChar(36)
id String @map("guid") @db.VarChar(36)
seq Int @db.Integer
blob Bytes @db.ByteA
state Bytes? @db.ByteA
createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
@@id([workspaceId, id, seq])
@@map("snapshot_histories")
}
model NewFeaturesWaitingList { model NewFeaturesWaitingList {
id String @id @default(uuid()) @db.VarChar id String @id @default(uuid()) @db.VarChar
email String @unique email String @unique