add search to catalog index

2022-12-03 19:30:52 -05:00
parent 2ec60ba342
commit 7191fe8e4b
28 changed files with 551 additions and 293 deletions
--- a/priv/repo/migrations/20221202233156_add_search.exs
+++ b/priv/repo/migrations/20221202233156_add_search.exs
@@ -0,0 +1,119 @@
+defmodule Cannery.Repo.Migrations.AddSearch do
+  use Ecto.Migration
+
+  def up do
+    execute """
+    CREATE FUNCTION immutable_to_string(integer, text)
+      RETURNS text LANGUAGE sql IMMUTABLE as
+        $$SELECT coalesce(($1)::TEXT, $2)::TEXT$$
+    """
+
+    execute """
+    CREATE FUNCTION immutable_to_string(double precision, text)
+      RETURNS text LANGUAGE sql IMMUTABLE as
+        $$SELECT coalesce(($1)::TEXT, $2)::TEXT$$
+    """
+
+    execute """
+    CREATE FUNCTION immutable_to_string(date, text)
+      RETURNS text LANGUAGE sql IMMUTABLE as
+        $$SELECT coalesce(($1)::TEXT, $2)::TEXT$$
+    """
+
+    execute """
+    CREATE FUNCTION boolean_to_string(boolean, text, text)
+      RETURNS text LANGUAGE sql IMMUTABLE as
+        $$SELECT (CASE $1 WHEN true THEN $2 ELSE $3 END)::TEXT$$
+    """
+
+    execute """
+    ALTER TABLE ammo_groups
+      ADD COLUMN search tsvector
+      GENERATED ALWAYS AS (
+        setweight(to_tsvector('english', coalesce("notes", '')), 'A') ||
+        setweight(to_tsvector('english', immutable_to_string("price_paid", '')), 'B') ||
+        setweight(to_tsvector('english', immutable_to_string("purchased_on", '')), 'B') ||
+        setweight(to_tsvector('english', immutable_to_string("count", '')), 'C')
+      ) STORED
+    """
+
+    execute("CREATE INDEX ammo_groups_trgm_idx ON ammo_groups USING GIN (search)")
+
+    execute """
+    ALTER TABLE containers
+      ADD COLUMN search tsvector
+      GENERATED ALWAYS AS (
+        setweight(to_tsvector('english', coalesce("name", '')), 'A') ||
+        setweight(to_tsvector('english', coalesce("desc", '')), 'B') ||
+        setweight(to_tsvector('english', coalesce("location", '')), 'B') ||
+        setweight(to_tsvector('english', coalesce("type", '')), 'C')
+      ) STORED
+    """
+
+    execute("CREATE INDEX containers_trgm_idx ON containers USING GIN (search)")
+
+    execute """
+    ALTER TABLE tags
+      ADD COLUMN search tsvector
+      GENERATED ALWAYS AS (
+        setweight(to_tsvector('english', coalesce("name", '')), 'A')
+      ) STORED
+    """
+
+    execute("CREATE INDEX tags_trgm_idx ON tags USING GIN (search)")
+
+    execute """
+    ALTER TABLE ammo_types
+      ADD COLUMN search tsvector
+      GENERATED ALWAYS AS (
+        setweight(to_tsvector('english', coalesce("name", '')), 'A') ||
+        setweight(to_tsvector('english', coalesce("desc", '')), 'B') ||
+        setweight(to_tsvector('english', coalesce("bullet_type", '')), 'C') ||
+        setweight(to_tsvector('english', coalesce("bullet_core", '')), 'C') ||
+        setweight(to_tsvector('english', coalesce("cartridge", '')), 'C') ||
+        setweight(to_tsvector('english', coalesce("caliber", '')), 'C') ||
+        setweight(to_tsvector('english', coalesce("case_material", '')), 'C') ||
+        setweight(to_tsvector('english', coalesce("jacket_type", '')), 'C') ||
+        setweight(to_tsvector('english', immutable_to_string("muzzle_velocity", '')), 'C') ||
+        setweight(to_tsvector('english', coalesce("powder_type", '')), 'C') ||
+        setweight(to_tsvector('english', immutable_to_string("powder_grains_per_charge", '')), 'C') ||
+        setweight(to_tsvector('english', immutable_to_string("grains", '')), 'C') ||
+        setweight(to_tsvector('english', coalesce("pressure", '')), 'C') ||
+        setweight(to_tsvector('english', coalesce("primer_type", '')), 'C') ||
+        setweight(to_tsvector('english', coalesce("firing_type", '')), 'C') ||
+        setweight(to_tsvector('english', boolean_to_string("tracer", 'tracer', '')), 'C') ||
+        setweight(to_tsvector('english', boolean_to_string("incendiary", 'incendiary', '')), 'C') ||
+        setweight(to_tsvector('english', boolean_to_string("blank", 'blank', '')), 'C') ||
+        setweight(to_tsvector('english', boolean_to_string("corrosive", 'corrosive', '')), 'C') ||
+        setweight(to_tsvector('english', coalesce("manufacturer", '')), 'D') ||
+        setweight(to_tsvector('english', coalesce("upc", '')), 'D')
+      ) STORED
+    """
+
+    execute("CREATE INDEX ammo_types_trgm_idx ON ammo_types USING GIN (search)")
+
+    execute """
+    ALTER TABLE shot_groups
+      ADD COLUMN search tsvector
+      GENERATED ALWAYS AS (
+        setweight(to_tsvector('english', coalesce(notes, '')), 'A') ||
+        setweight(to_tsvector('english', immutable_to_string(count, '')), 'B') ||
+        setweight(to_tsvector('english', immutable_to_string(date, '')), 'C')
+      ) STORED
+    """
+
+    execute("CREATE INDEX shot_groups_trgm_idx ON shot_groups USING GIN (search)")
+  end
+
+  def down do
+    alter table(:ammo_groups), do: remove(:search)
+    alter table(:containers), do: remove(:search)
+    alter table(:tags), do: remove(:search)
+    alter table(:ammo_types), do: remove(:search)
+    alter table(:shot_groups), do: remove(:search)
+    execute("DROP FUNCTION immutable_to_string(double precision, text)")
+    execute("DROP FUNCTION immutable_to_string(integer, text)")
+    execute("DROP FUNCTION immutable_to_string(date, text)")
+    execute("DROP FUNCTION boolean_to_string(boolean, text, text)")
+  end
+end