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DB optimizations

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Justin Mazzocchi 2020-09-27 20:11:49 -07:00
parent 60947b015f
commit 7172dc5e45
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GPG key ID: E223E6937AAFB01C
1 changed files with 62 additions and 54 deletions
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116
DB/Sources/DB/Content/ContentDatabase.swift
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@ -7,25 +7,26 @@ import Keychain
import Mastodon
import Secrets
// swiftlint:disable file_length
public struct ContentDatabase {
private let databaseQueue: DatabaseQueue
private let databaseWriter: DatabaseWriter
public init(identityID: UUID, inMemory: Bool, keychain: Keychain.Type) throws {
if inMemory {
databaseQueue = DatabaseQueue()
databaseWriter = DatabaseQueue()
} else {
let path = try Self.fileURL(identityID: identityID).path
var configuration = Configuration()
configuration.prepareDatabase {
try $0.usePassphrase(try Secrets.databaseKey(identityID: identityID, keychain: keychain))
try $0.usePassphrase(Secrets.databaseKey(identityID: identityID, keychain: keychain))
}
databaseQueue = try DatabaseQueue(path: path, configuration: configuration)
databaseWriter = try DatabasePool(path: path, configuration: configuration)
}
try Self.migrate(databaseQueue)
try Self.createTemporaryTables(databaseQueue)
try migrate()
clean()
}
}
@ -35,13 +36,13 @@ public extension ContentDatabase {
}
func insert(status: Status) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher(updates: status.save)
databaseWriter.writePublisher(updates: status.save)
.ignoreOutput()
.eraseToAnyPublisher()
}
func insert(statuses: [Status], timeline: Timeline) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
try timeline.save($0)
for status in statuses {
@ -55,7 +56,7 @@ public extension ContentDatabase {
}
func insert(context: Context, parentID: String) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
for status in context.ancestors + context.descendants {
try status.save($0)
}
@ -83,7 +84,7 @@ public extension ContentDatabase {
}
func insert(pinnedStatuses: [Status], accountID: String) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
for (index, status) in pinnedStatuses.enumerated() {
try status.save($0)
@ -103,7 +104,7 @@ public extension ContentDatabase {
statuses: [Status],
accountID: String,
collection: ProfileCollection) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
for status in statuses {
try status.save($0)
@ -115,7 +116,7 @@ public extension ContentDatabase {
}
func insert(accounts: [Account]) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
for account in accounts {
try account.save($0)
}
@ -125,7 +126,7 @@ public extension ContentDatabase {
}
func setLists(_ lists: [List]) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
for list in lists {
try Timeline.list(list).save($0)
}
@ -140,19 +141,19 @@ public extension ContentDatabase {
}
func createList(_ list: List) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher(updates: Timeline.list(list).save)
databaseWriter.writePublisher(updates: Timeline.list(list).save)
.ignoreOutput()
.eraseToAnyPublisher()
}
func deleteList(id: String) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher(updates: Timeline.filter(Column("id") == id).deleteAll)
databaseWriter.writePublisher(updates: Timeline.filter(Column("id") == id).deleteAll)
.ignoreOutput()
.eraseToAnyPublisher()
}
func setFilters(_ filters: [Filter]) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
for filter in filters {
try filter.save($0)
}
@ -164,13 +165,13 @@ public extension ContentDatabase {
}
func createFilter(_ filter: Filter) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher(updates: filter.save)
databaseWriter.writePublisher(updates: filter.save)
.ignoreOutput()
.eraseToAnyPublisher()
}
func deleteFilter(id: String) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher(updates: Filter.filter(Column("id") == id).deleteAll)
databaseWriter.writePublisher(updates: Filter.filter(Column("id") == id).deleteAll)
.ignoreOutput()
.eraseToAnyPublisher()
}
@ -178,7 +179,7 @@ public extension ContentDatabase {
func statusesObservation(timeline: Timeline) -> AnyPublisher<[[Status]], Error> {
ValueObservation.tracking(timeline.statuses.fetchAll)
.removeDuplicates()
.publisher(in: databaseQueue)
.publisher(in: databaseWriter)
.map { [$0.map(Status.init(result:))] }
.eraseToAnyPublisher()
}
@ -195,7 +196,7 @@ public extension ContentDatabase {
return [ancestors, [parent], descendants]
}
.removeDuplicates()
.publisher(in: databaseQueue)
.publisher(in: databaseWriter)
.map { $0.map { $0.map(Status.init(result:)) } }
.eraseToAnyPublisher()
}
@ -224,7 +225,7 @@ public extension ContentDatabase {
}
}
.removeDuplicates()
.publisher(in: databaseQueue)
.publisher(in: databaseWriter)
.map { $0.map { $0.map(Status.init(result:)) } }
.eraseToAnyPublisher()
}
@ -234,14 +235,14 @@ public extension ContentDatabase {
.order(Column("listTitle").collating(.localizedCaseInsensitiveCompare).asc)
.fetchAll)
.removeDuplicates()
.publisher(in: databaseQueue)
.publisher(in: databaseWriter)
.eraseToAnyPublisher()
}
func activeFiltersObservation(date: Date, context: Filter.Context? = nil) -> AnyPublisher<[Filter], Error> {
ValueObservation.tracking(Filter.filter(Column("expiresAt") == nil || Column("expiresAt") > date).fetchAll)
.removeDuplicates()
.publisher(in: databaseQueue)
.publisher(in: databaseWriter)
.map {
guard let context = context else { return $0 }
@ -253,14 +254,14 @@ public extension ContentDatabase {
func expiredFiltersObservation(date: Date) -> AnyPublisher<[Filter], Error> {
ValueObservation.tracking(Filter.filter(Column("expiresAt") < date).fetchAll)
.removeDuplicates()
.publisher(in: databaseQueue)
.publisher(in: databaseWriter)
.eraseToAnyPublisher()
}
func accountObservation(id: String) -> AnyPublisher<Account?, Error> {
ValueObservation.tracking(AccountRecord.filter(Column("id") == id).accountResultRequest.fetchOne)
.removeDuplicates()
.publisher(in: databaseQueue)
.publisher(in: databaseWriter)
.map {
if let result = $0 {
return Account(result: result)
@ -277,13 +278,13 @@ private extension ContentDatabase {
try FileManager.default.databaseDirectoryURL(name: identityID.uuidString)
}
// swiftlint:disable function_body_length
static func migrate(_ writer: DatabaseWriter) throws {
// swiftlint:disable:next function_body_length
func migrate() throws {
var migrator = DatabaseMigrator()
migrator.registerMigration("0.1.0") { db in
try db.create(table: "accountRecord") { t in
t.column("id", .text).notNull().primaryKey(onConflict: .replace)
t.column("id", .text).indexed().notNull().primaryKey(onConflict: .replace)
t.column("username", .text).notNull()
t.column("acct", .text).notNull()
t.column("displayName", .text).notNull()
@ -302,14 +303,14 @@ private extension ContentDatabase {
t.column("emojis", .blob).notNull()
t.column("bot", .boolean).notNull()
t.column("discoverable", .boolean)
t.column("movedId", .text).indexed().references("accountRecord", column: "id")
t.column("movedId", .text).references("accountRecord", column: "id")
}
try db.create(table: "statusRecord") { t in
t.column("id", .text).notNull().primaryKey(onConflict: .replace)
t.column("id", .text).indexed().notNull().primaryKey(onConflict: .replace)
t.column("uri", .text).notNull()
t.column("createdAt", .datetime).notNull()
t.column("accountId", .text).indexed().notNull().references("accountRecord", column: "id")
t.column("accountId", .text).notNull().references("accountRecord", column: "id")
t.column("content", .text).notNull()
t.column("visibility", .text).notNull()
t.column("sensitive", .boolean).notNull()
@ -325,7 +326,7 @@ private extension ContentDatabase {
t.column("url", .text)
t.column("inReplyToId", .text)
t.column("inReplyToAccountId", .text)
t.column("reblogId", .text).indexed().references("statusRecord", column: "id")
t.column("reblogId", .text).references("statusRecord", column: "id")
t.column("poll", .blob)
t.column("card", .blob)
t.column("language", .text)
@ -338,63 +339,70 @@ private extension ContentDatabase {
}
try db.create(table: "timeline") { t in
t.column("id", .text).notNull().primaryKey(onConflict: .replace)
t.column("listTitle", .text)
t.column("id", .text).indexed().notNull().primaryKey(onConflict: .replace)
t.column("listTitle", .text).indexed()
}
try db.create(table: "timelineStatusJoin") { t in
t.column("timelineId", .text)
.indexed()
.notNull()
t.column("timelineId", .text).indexed().notNull()
.references("timeline", column: "id", onDelete: .cascade, onUpdate: .cascade)
t.column("statusId", .text)
.indexed()
.notNull()
t.column("statusId", .text).indexed().notNull()
.references("statusRecord", column: "id", onDelete: .cascade, onUpdate: .cascade)
t.primaryKey(["timelineId", "statusId"], onConflict: .replace)
}
try db.create(table: "filter") { t in
t.column("id", .text).notNull().primaryKey(onConflict: .replace)
t.column("id", .text).indexed().notNull().primaryKey(onConflict: .replace)
t.column("phrase", .text).notNull()
t.column("context", .blob).notNull()
t.column("expiresAt", .date)
t.column("expiresAt", .date).indexed()
t.column("irreversible", .boolean).notNull()
t.column("wholeWord", .boolean).notNull()
}
}
try migrator.migrate(writer)
}
// swiftlint:enable function_body_length
private static func createTemporaryTables(_ writer: DatabaseWriter) throws {
try writer.write { db in
try db.create(table: "statusContextJoin", temporary: true) { t in
try db.create(table: "statusContextJoin") { t in
t.column("parentId", .text).indexed().notNull()
.references("statusRecord", column: "id", onDelete: .cascade, onUpdate: .cascade)
t.column("statusId", .text).indexed().notNull()
t.column("section", .text).notNull()
.references("statusRecord", column: "id", onDelete: .cascade, onUpdate: .cascade)
t.column("section", .text).indexed().notNull()
t.column("index", .integer).notNull()
t.primaryKey(["parentId", "statusId"], onConflict: .replace)
}
try db.create(table: "accountPinnedStatusJoin", temporary: true) { t in
try db.create(table: "accountPinnedStatusJoin") { t in
t.column("accountId", .text).indexed().notNull()
.references("accountRecord", column: "id", onDelete: .cascade, onUpdate: .cascade)
t.column("statusId", .text).indexed().notNull()
.references("statusRecord", column: "id", onDelete: .cascade, onUpdate: .cascade)
t.column("index", .integer).notNull()
t.primaryKey(["accountId", "statusId"], onConflict: .replace)
}
try db.create(table: "accountStatusJoin", temporary: true) { t in
try db.create(table: "accountStatusJoin") { t in
t.column("accountId", .text).indexed().notNull()
.references("accountRecord", column: "id", onDelete: .cascade, onUpdate: .cascade)
t.column("statusId", .text).indexed().notNull()
t.column("collection", .text).notNull()
.references("statusRecord", column: "id", onDelete: .cascade, onUpdate: .cascade)
t.column("collection", .text).indexed().notNull()
t.primaryKey(["accountId", "statusId", "collection"], onConflict: .replace)
}
}
try migrator.migrate(databaseWriter)
}
func clean() {
databaseWriter.asyncWrite {
try TimelineStatusJoin.filter(Column("id") != Timeline.home.id).deleteAll($0)
} completion: { _, _ in }
databaseWriter.asyncWrite { try StatusContextJoin.deleteAll($0) } completion: { _, _ in }
databaseWriter.asyncWrite { try AccountPinnedStatusJoin.deleteAll($0) } completion: { _, _ in }
databaseWriter.asyncWrite { try AccountStatusJoin.deleteAll($0) } completion: { _, _ in }
}
}
// swiftlint:enable file_length