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src/providers/mssql/queries/category.js

@@ -178,3 +178,31 @@ export const DELETE = `
 DELETE FROM category
 WHERE id = @id
 `;
+
+export const LIST_CHILD_CATEGORIES = `
+SELECT id
+FROM category
+WHERE parent_id = @parentId
+ORDER BY sort ASC, id ASC
+`;
+
+export const GET_CATEGORY_ARTICLE_PICS = `
+SELECT
+    a.id AS articleId,
+    p.id AS picId,
+    p.hash,
+    p.fullbinary AS buffer
+FROM categoryarticle ca
+INNER JOIN article a ON a.id = ca.article_id
+OUTER APPLY (
+    SELECT TOP 1 ap.pic_id
+    FROM articlepic ap
+    WHERE ap.article_id = a.id
+    ORDER BY ap.sort ASC, ap.id ASC
+) first_pic
+INNER JOIN pic p ON p.id = first_pic.pic_id
+WHERE ca.category_id = @categoryId
+  AND a.parentarticle_id IS NULL
+ORDER BY a.id ASC
+`;
+

src/providers/sqlite3/queries/category.js

@@ -7,9 +7,29 @@ export const {
   CREATE, DELETE, GET_BY_PARENT_AND_NAME,
   GET_CATEGORY_ARTICLE_WAREHOUSE_SUMMARIES,
   GET_NEXT_SIBLING_SORT, LIST_CHILD_IDS,
+  LIST_CHILD_CATEGORIES,
   MOVE, UPDATE_SORT,
 } = queries;
 
+export const GET_CATEGORY_ARTICLE_PICS = `
+SELECT
+    a.id AS articleId,
+    p.id AS picId,
+    p.hash,
+    NULL AS buffer
+FROM categoryarticle ca
+INNER JOIN article a ON a.id = ca.article_id
+INNER JOIN pic p ON p.id = (
+    SELECT ap.pic_id FROM articlepic ap
+    WHERE ap.article_id = a.id
+    ORDER BY ap.sort ASC, ap.id ASC
+    LIMIT 1
+)
+WHERE ca.category_id = @categoryId
+  AND a.parentarticle_id IS NULL
+ORDER BY a.id ASC
+`;
+
 export const RESOLVE_CATEGORY_ACCESS = `
 WITH RECURSIVE ancestors AS (
     SELECT id, parent_id