update database

initdb.d/10-wanikani.sql

@@ -17,6 +17,10 @@ CREATE TABLE "wanikani.subjects" (
 );
 
 CREATE INDEX "idx_wanikani.subjects_object" ON "wanikani.subjects" ("object");
+
+CREATE INDEX "idx_wanikani.subjects_data-characters" ON "wanikani.subjects" (("data" ->> 'characters'));
+CREATE INDEX "idx_wanikani.subjects_data-level" ON "wanikani.subjects" ((("data" -> 'level')::int));
+
 CREATE INDEX "idx_wanikani.subjects_data" ON "wanikani.subjects"
   USING pgroonga("data")
   WITH (
@@ -29,3 +33,32 @@ CREATE INDEX "idx_wanikani.subjects_data_kana" ON "wanikani.subjects"
     tokenizer='TokenMecab',
     normalizer='NormalizerNFKC100("unify_kana", true)'
   );
+
+CREATE MATERIALIZED VIEW "wanikani.subjects.sentences" AS (
+  SELECT
+    (s ->> 'ja') "ja",
+    (s ->> 'en') "en"
+  FROM "wanikani.subjects", jsonb_array_elements("data" -> 'context_sentences') "s"
+  WHERE s ->> 'ja' > ''
+);
+
+CREATE INDEX "idx_wanikani.subjects.sentences_ja" ON "wanikani.subjects.sentences"
+  USING pgroonga("ja")
+  WITH (
+    tokenizer='TokenMecab',
+    normalizer='NormalizerNFKC100("unify_kana", true)'
+  );
+
+CREATE INDEX "idx_wanikani.subjects.sentences_ja_kana" ON "wanikani.subjects.sentences"
+  USING pgroonga((identity("ja")))
+  WITH (
+    tokenizer='TokenMecab("use_reading", true)',
+    normalizer='NormalizerNFKC100("unify_kana", true)'
+  );
+
+CREATE INDEX "idx_wanikani.subjects.sentences_en" ON "wanikani.subjects.sentences"
+  USING pgroonga("en")
+  WITH (
+    plugins='token_filters/stem',
+    token_filters='TokenFilterStem'
+  );