From 7cff31a058230a94838b7fd8493380d444c31f5a Mon Sep 17 00:00:00 2001 From: Jimmy Zelinskie Date: Sun, 4 Dec 2016 05:02:15 -0500 Subject: [PATCH] pgsql/migrations: add ldfv compound index This speeds up the SearchNotificationLayerIntroducingVulnerability query by an order magnitude. --- database/pgsql/migrations/00004_ldfv_index.go | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 database/pgsql/migrations/00004_ldfv_index.go diff --git a/database/pgsql/migrations/00004_ldfv_index.go b/database/pgsql/migrations/00004_ldfv_index.go new file mode 100644 index 00000000..97a5cf6f --- /dev/null +++ b/database/pgsql/migrations/00004_ldfv_index.go @@ -0,0 +1,29 @@ +// Copyright 2016 clair authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package migrations + +import "github.com/remind101/migrate" + +func init() { + RegisterMigration(migrate.Migration{ + ID: 4, + Up: migrate.Queries([]string{ + `CREATE INDEX layer_diff_featureversion_layer_id_modification_idx ON Layer_diff_FeatureVersion (layer_id, modification);`, + }), + Down: migrate.Queries([]string{ + `DROP INDEX layer_diff_featureversion_layer_id_modification_idx;`, + }), + }) +}