add new fields & indexes

Author: zcesur

priv/repo/migrations/20251001175923_add_performance_indexes.exs

@@ -0,0 +1,28 @@
+defmodule Algora.Repo.Migrations.AddPerformanceIndexes do
+  use Ecto.Migration
+
+  def change do
+    # Index for provider_meta->>'followers' queries (used in talent matching)
+    create index(:users, ["((provider_meta->>'followers')::int)"], name: :users_provider_meta_followers_idx)
+
+    # Index for country filtering (frequently used in candidates/talents queries)
+    create index(:users, [:country], where: "country IS NOT NULL", name: :users_country_idx)
+
+    # Index for location_iso_lvl4 filtering
+    create index(:users, [:location_iso_lvl4], where: "location_iso_lvl4 IS NOT NULL", name: :users_location_iso_lvl4_idx)
+
+    # Index for min_compensation (used in sorting)
+    create index(:users, [:min_compensation], where: "min_compensation IS NOT NULL", name: :users_min_compensation_idx)
+
+    # Composite index for common talent queries
+    create index(:users, [:country, :min_compensation],
+      where: "country IS NOT NULL AND min_compensation IS NOT NULL",
+      name: :users_country_min_compensation_idx)
+
+    # Index for language_contributions user_id lookups
+    create index(:language_contributions, [:user_id, :percentage], name: :language_contributions_user_id_percentage_idx)
+
+    # Index for user_contributions filtering on user_id
+    create index(:user_contributions, [:user_id, :contribution_count], name: :user_contributions_user_id_contribution_count_idx)
+  end
+end

priv/repo/migrations/20251001202708_add_provider_login_index.exs

@@ -0,0 +1,7 @@
+defmodule Algora.Repo.Migrations.AddProviderLoginIndex do
+  use Ecto.Migration
+
+  def change do
+    create index(:users, [:provider_login])
+  end
+end

priv/repo/migrations/20251002125120_add_bachelor_graduation_year_to_users.exs

@@ -0,0 +1,9 @@
+defmodule Algora.Repo.Migrations.AddBachelorGraduationYearToUsers do
+  use Ecto.Migration
+
+  def change do
+    alter table(:users) do
+      add :grad_year, :integer
+    end
+  end
+end

priv/repo/migrations/20251002150811_add_grad_year_index.exs

@@ -0,0 +1,10 @@
+defmodule Algora.Repo.Migrations.AddGradYearIndex do
+  use Ecto.Migration
+
+  @disable_ddl_transaction true
+  @disable_migration_lock true
+
+  def change do
+    create index(:users, [:grad_year], where: "grad_year IS NOT NULL", concurrently: true)
+  end
+end