WIP store stats history

db/migrate/20250122204932_create_pghero_stats_tables.rb

@@ -0,0 +1,21 @@
+class CreatePgheroStatsTables < ActiveRecord::Migration[8.0]
+  def up
+    execute <<~SQL
+      CREATE TABLE "pghero_query_stats" (
+        "id" bigserial primary key,
+        "database" text,
+        "user" text,
+        "query" text,
+        "query_hash" bigint,
+        "total_time" float,
+        "calls" bigint,
+        "captured_at" timestamp
+      );
+      CREATE INDEX ON "pghero_query_stats" ("database", "captured_at");
+    SQL
+  end
+
+  def down
+    drop_table :pghero_query_stats, if_exists: true, force: :cascade
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_01_22_202836) do
+ActiveRecord::Schema[8.0].define(version: 2025_01_22_204932) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_catalog.plpgsql"
   enable_extension "pg_stat_statements"
@@ -68,6 +68,17 @@ ActiveRecord::Schema[8.0].define(version: 2025_01_22_202836) do
     t.index ["wedding_id"], name: "index_guests_on_wedding_id"
   end
 
+  create_table "pghero_query_stats", force: :cascade do |t|
+    t.text "database"
+    t.text "user"
+    t.text "query"
+    t.bigint "query_hash"
+    t.float "total_time"
+    t.bigint "calls"
+    t.datetime "captured_at", precision: nil
+    t.index ["database", "captured_at"], name: "pghero_query_stats_database_captured_at_idx"
+  end
+
   create_table "seats", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "guest_id", null: false
     t.uuid "tables_arrangement_id", null: false