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Optimize searching for users on Postgres (#9782)

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The searches on Postgres using LIKE with prefix matching will only
use an index if it has the text_pattern_ops flag (forcing C collation).
This drops the old indexes and adds properly optimized ones.
Этот коммит содержится в:
Daniel Fiori
2018-11-09 15:34:31 -05:00
коммит произвёл Jesse Hallam
родитель 0c5f60f89b
Коммит 7a758eae72
2 изменённых файлов: 13 добавлений и 5 удалений
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8
store/sqlstore/upgrade.go
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@@ -521,6 +521,14 @@ func UpgradeDatabaseToVersion56(sqlStore SqlStore) {
// migrating user's accepted terms of service data into the new table // migrating user's accepted terms of service data into the new table
sqlStore.GetMaster().Exec("INSERT INTO UserTermsOfService SELECT Id, AcceptedTermsOfServiceId as TermsOfServiceId, :CreateAt FROM Users WHERE AcceptedTermsOfServiceId != \"\" AND AcceptedTermsOfServiceId IS NOT NULL", map[string]interface{}{"CreateAt": model.GetMillis()}) sqlStore.GetMaster().Exec("INSERT INTO UserTermsOfService SELECT Id, AcceptedTermsOfServiceId as TermsOfServiceId, :CreateAt FROM Users WHERE AcceptedTermsOfServiceId != \"\" AND AcceptedTermsOfServiceId IS NOT NULL", map[string]interface{}{"CreateAt": model.GetMillis()})
if sqlStore.DriverName() == model.DATABASE_DRIVER_POSTGRES {
sqlStore.RemoveIndexIfExists("idx_users_email_lower", "lower(Email)")
sqlStore.RemoveIndexIfExists("idx_users_username_lower", "lower(Username)")
sqlStore.RemoveIndexIfExists("idx_users_nickname_lower", "lower(Nickname)")
sqlStore.RemoveIndexIfExists("idx_users_firstname_lower", "lower(FirstName)")
sqlStore.RemoveIndexIfExists("idx_users_lastname_lower", "lower(LastName)")
}
//saveSchemaVersion(sqlStore, VERSION_5_6_0) //saveSchemaVersion(sqlStore, VERSION_5_6_0)
//} //}
} }

10
store/sqlstore/user_store.go
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@@ -94,11 +94,11 @@ func (us SqlUserStore) CreateIndexesIfNotExists() {
us.CreateIndexIfNotExists("idx_users_delete_at", "Users", "DeleteAt") us.CreateIndexIfNotExists("idx_users_delete_at", "Users", "DeleteAt")
if us.DriverName() == model.DATABASE_DRIVER_POSTGRES { if us.DriverName() == model.DATABASE_DRIVER_POSTGRES {
us.CreateIndexIfNotExists("idx_users_email_lower", "Users", "lower(Email)") us.CreateIndexIfNotExists("idx_users_email_lower_textpattern", "Users", "lower(Email) text_pattern_ops")
us.CreateIndexIfNotExists("idx_users_username_lower", "Users", "lower(Username)") us.CreateIndexIfNotExists("idx_users_username_lower_textpattern", "Users", "lower(Username) text_pattern_ops")
us.CreateIndexIfNotExists("idx_users_nickname_lower", "Users", "lower(Nickname)") us.CreateIndexIfNotExists("idx_users_nickname_lower_textpattern", "Users", "lower(Nickname) text_pattern_ops")
us.CreateIndexIfNotExists("idx_users_firstname_lower", "Users", "lower(FirstName)") us.CreateIndexIfNotExists("idx_users_firstname_lower_textpattern", "Users", "lower(FirstName) text_pattern_ops")
us.CreateIndexIfNotExists("idx_users_lastname_lower", "Users", "lower(LastName)") us.CreateIndexIfNotExists("idx_users_lastname_lower_textpattern", "Users", "lower(LastName) text_pattern_ops")
} }
us.CreateFullTextIndexIfNotExists("idx_users_all_txt", "Users", strings.Join(USER_SEARCH_TYPE_ALL, ", ")) us.CreateFullTextIndexIfNotExists("idx_users_all_txt", "Users", strings.Join(USER_SEARCH_TYPE_ALL, ", "))