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src/sql/articlepic.js

@@ -8,3 +8,25 @@ export const ADD = `
 INSERT INTO articlepic (article_id, pic_id, sort)
 VALUES (@articleId, @picId, @sort)
 `;
+
+export const LIST_HASHES_BY_ARTICLE = `
+SELECT p.hash AS fullHash
+FROM articlepic ap
+INNER JOIN pic p ON p.id = ap.pic_id
+WHERE ap.article_id = @articleId
+ORDER BY ap.sort ASC, ap.id ASC
+`;
+
+export const SET_TEMP_SORTS = `
+UPDATE articlepic
+SET sort = -id
+WHERE article_id = @articleId
+`;
+
+export const UPDATE_SORT_BY_HASH = `
+UPDATE ap
+SET sort = @sort
+FROM articlepic ap
+INNER JOIN pic p ON p.id = ap.pic_id
+WHERE ap.article_id = @articleId AND p.hash = @fullHash
+`;