From 7876aae0209d394f57440d1576f0498b87038d52 Mon Sep 17 00:00:00 2001
From: Vadim Gedz <github@shini4i.dev>
Date: Thu, 6 Feb 2025 18:16:33 +0200
Subject: [PATCH] chore(postgres): indexes adjustment and struct cleanup

---
 cmd/argo-watcher/config/config.go              | 5 -----
 db/migrations/000004_optimize_indexes.down.sql | 9 +++++++++
 db/migrations/000004_optimize_indexes.up.sql   | 6 ++++++
 3 files changed, 15 insertions(+), 5 deletions(-)
 create mode 100644 db/migrations/000004_optimize_indexes.down.sql
 create mode 100644 db/migrations/000004_optimize_indexes.up.sql

diff --git a/cmd/argo-watcher/config/config.go b/cmd/argo-watcher/config/config.go
index e8243ce8..e2240ee1 100644
--- a/cmd/argo-watcher/config/config.go
+++ b/cmd/argo-watcher/config/config.go
@@ -17,11 +17,6 @@ type KeycloakConfig struct {
 }
 
 type DatabaseConfig struct {
-	Host     string `env:"DB_HOST"`
-	Port     string `env:"DB_PORT" envDefault:"5432"`
-	Name     string `env:"DB_NAME"`
-	User     string `env:"DB_USER"`
-	Password string `env:"DB_PASSWORD"`
 	SSLMode  string `env:"DB_SSL_MODE" envDefault:"disable"`
 	TimeZone string `env:"DB_TIMEZONE" envDefault:"UTC"`
 	DSN      string `env:"DB_DSN,expand" envDefault:"host=${DB_HOST} port=${DB_PORT} user=${DB_USER} password=${DB_PASSWORD} dbname=${DB_NAME} sslmode=${DB_SSL_MODE} TimeZone=${DB_TIMEZONE}"`
diff --git a/db/migrations/000004_optimize_indexes.down.sql b/db/migrations/000004_optimize_indexes.down.sql
new file mode 100644
index 00000000..6b431833
--- /dev/null
+++ b/db/migrations/000004_optimize_indexes.down.sql
@@ -0,0 +1,9 @@
+-- Restore the old index on `created`
+CREATE INDEX IF NOT EXISTS tasks_idx_created ON tasks (created);
+
+-- Restore the index on `status`
+CREATE INDEX IF NOT EXISTS "idx_tasks_status" ON "tasks" ("status");
+
+-- Drop the newly created indexes
+DROP INDEX IF EXISTS idx_tasks_created_app;
+DROP INDEX IF EXISTS idx_tasks_id;
diff --git a/db/migrations/000004_optimize_indexes.up.sql b/db/migrations/000004_optimize_indexes.up.sql
new file mode 100644
index 00000000..3b575262
--- /dev/null
+++ b/db/migrations/000004_optimize_indexes.up.sql
@@ -0,0 +1,6 @@
+CREATE INDEX IF NOT EXISTS idx_tasks_created_app ON tasks (created DESC, app);
+CREATE UNIQUE INDEX IF NOT EXISTS idx_tasks_id ON tasks (id);
+
+-- Drop indexes that are no longer needed
+DROP INDEX IF EXISTS tasks_idx_created;
+DROP INDEX IF EXISTS idx_tasks_status;