clone basic database structure from zhquiz

initdb.d/23-library.sql

@@ -0,0 +1,48 @@
+CREATE OR REPLACE FUNCTION unwrap_entries (JSONB) RETURNS TEXT[] AS
+$func$
+DECLARE
+    it    JSONB;
+    "out" TEXT[] := '{}'::text[];
+BEGIN
+    FOR it IN (SELECT * FROM jsonb_array_elements($1))
+    LOOP
+        "out" := "out"||(it ->> 'entry');
+    END LOOP;
+
+    RETURN "out";
+END;
+$func$ LANGUAGE plpgsql IMMUTABLE;
+
+CREATE TABLE "library" (
+    "id"              UUID NOT NULL PRIMARY KEY DEFAULT uuid_generate_v4(),
+    "createdAt"       TIMESTAMPTZ DEFAULT now(),
+    "updatedAt"       TIMESTAMPTZ DEFAULT now(),
+    "userId"          UUID NOT NULL DEFAULT uuid_nil() REFERENCES "user"("id") ON DELETE CASCADE,
+    "isShared"        BOOLEAN,
+    "type"            TEXT NOT NULL,
+    "entries"         JSONB NOT NULL CHECK ("entries" -> 0 -> 'entry' IS NOT NULL),
+    "entry"           TEXT[] GENERATED ALWAYS AS (unwrap_entries("entries")) STORED,
+    "title"           TEXT NOT NULL,
+    "description"     TEXT NOT NULL DEFAULT '',
+    "tag"             TEXT[] NOT NULL DEFAULT '{}'::TEXT[]
+);
+
+CREATE TRIGGER "t_library_updatedAt"
+    BEFORE UPDATE ON "library"
+    FOR EACH ROW
+    EXECUTE PROCEDURE "f_updatedAt"();
+
+CREATE INDEX "idx_library_updatedAt" ON "library" ("updatedAt");
+CREATE INDEX "idx_library_userId" ON "library" ("userId");
+CREATE INDEX "idx_library_isShared" ON "library" ("isShared");
+CREATE INDEX "idx_library_type" ON "library" ("type");
+
+CREATE INDEX "idx_library_entry" ON "library"
+    USING pgroonga("entry");
+CREATE INDEX "idx_library_title_description" ON "library"
+    USING pgroonga(
+        "title",
+        "description"
+    )
+    WITH (plugins='token_filters/stem', token_filters='TokenFilterStem');
+CREATE INDEX "idx_library_tag" ON "library" USING pgroonga ("tag");