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perf(db): Use partial indexes added in sqlite 3.8

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This commit is contained in:
Ben Gotow 2016-04-19 17:41:57 -07:00
parent 8803b01d2f
commit 658e1a5d0d
4 changed files with 42 additions and 11 deletions
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8
internal_packages/draft-list/lib/draft-list-store.coffee
View file

@ -3,6 +3,7 @@ Rx = require 'rx-lite'
_ = require 'underscore'
{Message,
OutboxStore,
AccountStore,
MutableQueryResultSet,
MutableQuerySubscription,
ObservableListDataSource,
@ -35,9 +36,14 @@ class DraftListStore extends NylasStore
query = DatabaseStore.findAll(Message)
.include(Message.attributes.body)
.order(Message.attributes.date.descending())
.where(draft: true, accountId: mailboxPerspective.accountIds)
.where(draft: true)
.page(0, 1)
# Adding a "account_id IN (a,b,c)" clause to our query can result in a full
# table scan. Don't add the where clause if we know we want results from all.
if mailboxPerspective.accountIds.length < AccountStore.accounts().length
query.where(accountId: mailboxPerspective.accountIds)
subscription = new MutableQuerySubscription(query, {emitResultSet: true})
$resultSet = Rx.Observable.fromNamedQuerySubscription('draft-list', subscription)
$resultSet = Rx.Observable.combineLatest [

16
src/flux/models/message.coffee
View file

@ -157,10 +157,20 @@ class Message extends ModelWithMetadata
@additionalSQLiteConfig:
setup: ->
['CREATE INDEX IF NOT EXISTS MessageListThreadIndex ON Message(thread_id, date ASC)',
'CREATE INDEX IF NOT EXISTS MessageListDraftIndex ON Message(account_id, draft)',
[
# For thread view
'CREATE INDEX IF NOT EXISTS MessageListThreadIndex ON Message(thread_id, date ASC)',
# For draft lookups
'CREATE UNIQUE INDEX IF NOT EXISTS MessageDraftIndex ON Message(client_id)',
'CREATE UNIQUE INDEX IF NOT EXISTS MessageBodyIndex ON MessageBody(id)']
# Partial indexes for draft
'CREATE INDEX IF NOT EXISTS MessageListDraftIndex ON Message(account_id, date DESC) WHERE draft = 1',
'CREATE INDEX IF NOT EXISTS MessageListUnifiedDraftIndex ON Message(date DESC) WHERE draft = 1',
# MessageBody lookups
'CREATE UNIQUE INDEX IF NOT EXISTS MessageBodyIndex ON MessageBody(id)'
]
constructor: ->
super

21
src/flux/models/thread.es6
View file

@ -113,16 +113,27 @@ class Thread extends ModelWithMetadata {
static additionalSQLiteConfig = {
setup: () => [
// ThreadCounts
'CREATE TABLE IF NOT EXISTS `ThreadCounts` (`category_id` TEXT PRIMARY KEY, `unread` INTEGER, `total` INTEGER)',
'CREATE UNIQUE INDEX IF NOT EXISTS ThreadCountsIndex ON `ThreadCounts` (category_id DESC)',
'CREATE INDEX IF NOT EXISTS ThreadContactDateIndex ON `ThreadContact`(last_message_received_timestamp DESC, value, id)',
// ThreadContact
'CREATE INDEX IF NOT EXISTS ThreadContactDateIndex ON `ThreadContact` (last_message_received_timestamp DESC, value, id)',
'CREATE INDEX IF NOT EXISTS ThreadDateIndex ON `Thread`(last_message_received_timestamp DESC, id)',
'CREATE INDEX IF NOT EXISTS ThreadStarIndex ON Thread(account_id, starred)',
// ThreadCategory
'CREATE INDEX IF NOT EXISTS ThreadListCategoryIndex ON `ThreadCategory` (last_message_received_timestamp DESC, value, in_all_mail, unread, id)',
'CREATE INDEX IF NOT EXISTS ThreadListCategorySentIndex ON `ThreadCategory` (last_message_sent_timestamp DESC, value, in_all_mail, unread, id)',
'CREATE INDEX IF NOT EXISTS ThreadListCategoryIndex ON `ThreadCategory`(last_message_received_timestamp DESC, value, in_all_mail, unread, id)',
'CREATE INDEX IF NOT EXISTS ThreadListCategorySentIndex ON `ThreadCategory`(last_message_sent_timestamp DESC, value, in_all_mail, unread, id)',
// Thread: General index
'CREATE INDEX IF NOT EXISTS ThreadDateIndex ON `Thread` (last_message_received_timestamp DESC)',
// Thread: Partial indexes for specific views
'CREATE INDEX IF NOT EXISTS ThreadUnreadIndex ON `Thread` (account_id, last_message_received_timestamp DESC) WHERE unread = 1 AND in_all_mail = 1',
'CREATE INDEX IF NOT EXISTS ThreadUnifiedUnreadIndex ON `Thread` (last_message_received_timestamp DESC) WHERE unread = 1 AND in_all_mail = 1',
'DROP INDEX IF EXISTS `Thread`.ThreadStarIndex',
'CREATE INDEX IF NOT EXISTS ThreadStarredIndex ON `Thread` (account_id, last_message_received_timestamp DESC) WHERE starred = 1 AND in_all_mail = 1',
'CREATE INDEX IF NOT EXISTS ThreadUnifiedStarredIndex ON `Thread` (last_message_received_timestamp DESC) WHERE starred = 1 AND in_all_mail = 1',
],
}

6
src/mailbox-perspective.coffee
View file

@ -185,11 +185,15 @@ class StarredMailboxPerspective extends MailboxPerspective
threads: =>
query = DatabaseStore.findAll(Thread).where([
Thread.attributes.accountId.in(@accountIds),
Thread.attributes.starred.equal(true),
Thread.attributes.inAllMail.equal(true),
]).limit(0)
# Adding a "account_id IN (a,b,c)" clause to our query can result in a full
# table scan. Don't add the where clause if we know we want results from all.
if @accountIds.length < AccountStore.accounts().length
query.where(Thread.attributes.accountId.in(@accountIds))
return new MutableQuerySubscription(query, {emitResultSet: true})
canReceiveThreadsFromAccountIds: =>