feat(tag): superTag, defaultTag 가져오는 View Entity 추가

superTag, defaultTag 가져오는 View Entity 추가

backend/src/entity/entities/VTagsSuperDefault.ts

@@ -0,0 +1,31 @@
+import { DataSource, ViewColumn, ViewEntity } from 'typeorm';
+
+@ViewEntity('v_tags_super_default', {
+  expression: `
+    SELECT sp1.content, (
+        SELECT COUNT(sp1.id)
+          FROM sub_tag sb1
+         WHERE sb1.superTagId = sp1.id
+           AND sb1.isDeleted IS FALSE AND sb1.isPublic IS TRUE) AS count
+    FROM super_tag sp1
+    WHERE sp1.isDeleted IS FALSE
+      AND sp1.content != 'default'
+    UNION
+    SELECT sb2.content,
+           0 AS count
+    FROM sub_tag sb2
+    INNER JOIN super_tag sp2
+            ON sb2.superTagId = sp2.id
+    WHERE sp2.content = 'default'
+    AND sb2.isDeleted IS FALSE
+    AND sb2.isPublic IS TRUE`,
+})
+export class VTagsSuperDefault {
+  @ViewColumn()
+    content: string;
+
+  @ViewColumn()
+    count: number;
+}
+
+export default VTagsSuperDefault;