update database

initdb.d/22-entry.sql

@@ -4,6 +4,10 @@ CREATE TABLE "entry" (
     "updatedAt"     TIMESTAMPTZ DEFAULT now(),
     "userId"        UUID NOT NULL REFERENCES "user"("id") ON DELETE CASCADE,
     "type"          TEXT NOT NULL,
+    "_type"         TEXT[] GENERATED ALWAYS AS (CASE
+        WHEN "type" = 'character' THEN ARRAY['character', 'hanzi', 'kanji']
+        ELSE ARRAY["type"]
+    END) STORED,
     "entry"         TEXT[] NOT NULL CHECK ("entry"[1] IS NOT NULL),
     "reading"       JSONB NOT NULL DEFAULT '{}',    -- TODO: jsonschema
     "translation"   JSONB NOT NULL DEFAULT '{}',    -- TODO: jsonschema
@@ -11,9 +15,14 @@ CREATE TABLE "entry" (
     "tag"           TEXT[] NOT NULL DEFAULT '{}',
     "level"         FLOAT,
     "level.kanji"   INT,
-    "frequency"     FLOAT,
     "key"           TEXT UNIQUE,
     "_meta"         JSONB,                          -- TODO: jsonschema
+    "priority"      INT GENERATED ALWAYS AS (CASE
+        WHEN "type" = 'vocabulary' THEN 10
+        WHEN "type" = 'character' THEN 5
+        WHEN "type" = 'sentence' THEN 1
+        ELSE 0
+    END) STORED,
     PRIMARY KEY ("id")
 );
 
@@ -22,12 +31,13 @@ CREATE TRIGGER "t_entry_updatedAt"
     FOR EACH ROW
     EXECUTE PROCEDURE "f_updatedAt"();
 
+CREATE INDEX "idx_entry_priority" ON "entry" ("priority");
+
 CREATE INDEX "idx_entry_updatedAt" ON "entry" ("updatedAt");
 CREATE INDEX "idx_entry_userId" ON "entry" ("userId");
-CREATE INDEX "idx_entry_type" ON "entry" ("type");
+CREATE INDEX "idx_entry_type" ON "entry" USING GIN("_type");
 CREATE INDEX "idx_entry_level" ON "entry" ("level");
 CREATE INDEX "idx_entry_level.kanji" ON "entry" ("level.kanji");
-CREATE INDEX "idx_entry_frequency" ON "entry" ("frequency");
 
 CREATE INDEX "idx_entry_description" ON "entry"
     USING pgroonga("description")