CREATE TABLE "wanikani.subjects" (
  "id"          INT PRIMARY KEY NOT NULL,
  "updatedAt"   TIMESTAMPTZ NOT NULL,
  "object"      TEXT NOT NULL,
  "url"         TEXT NOT NULL,
  "data"        JSONB NOT NULL
);

CREATE INDEX "idx_wanikani.subjects_object" ON "wanikani.subjects" ("object");
CREATE INDEX "idx_wanikani.subjects_data" ON "wanikani.subjects"
  USING pgroonga("data")
  WITH (
    tokenizer='TokenMecab',
    normalizer='NormalizerNFKC100("unify_kana", true)'
  );