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More efficient single account retrieval (0.9ms vs 50ms before)

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This commit is contained in:
Eugen Rochko 2017-03-22 03:21:38 +01:00
parent 98571b0ce4
commit 1b09c3cb17
3 changed files with 16 additions and 6 deletions
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10
app/models/account.rb
View file

@ -187,7 +187,7 @@ class Account < ApplicationRecord
def find_remote!(username, domain)
return if username.blank?
where(arel_table[:username].matches(username.gsub(/[%_]/, '\\\\\0'))).where(domain.nil? ? { domain: nil } : arel_table[:domain].matches(domain.gsub(/[%_]/, '\\\\\0'))).take!
where('lower(accounts.username) = ?', username.downcase).where(domain.nil? ? { domain: nil } : 'lower(accounts.domain) = ?', domain&.downcase).take!
end
def find_local(username)
@ -222,8 +222,8 @@ SQL
end
def search_for(terms, limit = 10)
textsearch = '(setweight(to_tsvector(\'simple\', accounts.display_name), \'A\') || setweight(to_tsvector(\'simple\', accounts.username), \'B\') || setweight(to_tsvector(\'simple\', coalesce(accounts.domain, \'\')), \'C\'))'
query = 'to_tsquery(\'simple\', \'\'\' \' || ? || \' \'\'\' || \':*\')'
textsearch = '(setweight(to_tsvector(\'simple\', accounts.display_name), \'A\') || setweight(to_tsvector(\'simple\', accounts.username), \'B\') || setweight(to_tsvector(\'simple\', coalesce(accounts.domain, \'\')), \'C\'))'
query = 'to_tsquery(\'simple\', \'\'\' \' || ? || \' \'\'\' || \':*\')'
sql = <<SQL
SELECT
@ -239,8 +239,8 @@ SQL
end
def advanced_search_for(terms, account, limit = 10)
textsearch = '(setweight(to_tsvector(\'simple\', accounts.display_name), \'A\') || setweight(to_tsvector(\'simple\', accounts.username), \'B\') || setweight(to_tsvector(\'simple\', coalesce(accounts.domain, \'\')), \'C\'))'
query = 'to_tsquery(\'simple\', \'\'\' \' || ? || \' \'\'\' || \':*\')'
textsearch = '(setweight(to_tsvector(\'simple\', accounts.display_name), \'A\') || setweight(to_tsvector(\'simple\', accounts.username), \'B\') || setweight(to_tsvector(\'simple\', coalesce(accounts.domain, \'\')), \'C\'))'
query = 'to_tsquery(\'simple\', \'\'\' \' || ? || \' \'\'\' || \':*\')'
sql = <<SQL
SELECT

9
db/migrate/20170322021028_add_lowercase_index_to_accounts.rb Normal file
View file

@ -0,0 +1,9 @@
class AddLowercaseIndexToAccounts < ActiveRecord::Migration[5.0]
def up
execute 'CREATE INDEX index_accounts_on_username_and_domain_lower ON accounts (lower(username), lower(domain))'
end
def down
remove_index :accounts, name: 'index_accounts_on_username_and_domain_lower'
end
end

3
db/schema.rb
View file

@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20170318214217) do
ActiveRecord::Schema.define(version: 20170322021028) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@ -45,6 +45,7 @@ ActiveRecord::Schema.define(version: 20170318214217) do
t.boolean "locked", default: false, null: false
t.string "header_remote_url", default: "", null: false
t.index "(((setweight(to_tsvector('simple'::regconfig, (display_name)::text), 'A'::\"char\") || setweight(to_tsvector('simple'::regconfig, (username)::text), 'B'::\"char\")) || setweight(to_tsvector('simple'::regconfig, (COALESCE(domain, ''::character varying))::text), 'C'::\"char\")))", name: "search_index", using: :gin
t.index "lower((username)::text), lower((domain)::text)", name: "index_accounts_on_username_and_domain_lower", using: :btree
t.index ["username", "domain"], name: "index_accounts_on_username_and_domain", unique: true, using: :btree
end