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@@ -20,7 +20,7 @@ func UpdateEnglishClassifySortByParentId(parentId, permissionId, nowSort int, up
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// GetMaxSortByParentId 获取最大的排序值
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func (classifyInfo *EnglishClassify) GetMaxSortByParentId(parentId int) (maxSort int, err error) {
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//o := orm.NewOrmUsingDB("rddp")
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- sql := `SELECT max(sort) AS sort FROM english_classify WHERE parent_id = ? `
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+ sql := `SELECT COALESCE(Max(sort), 0) AS sort FROM english_classify WHERE parent_id = ? `
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//err = o.Raw(sql, parentId).QueryRow(&maxSort)
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err = global.DmSQL["rddp"].Raw(sql, parentId).Scan(&maxSort).Error
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return
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@@ -29,7 +29,7 @@ func (classifyInfo *EnglishClassify) GetMaxSortByParentId(parentId int) (maxSort
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// GetMaxSort 获取最大的排序值
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func (classifyInfo *EnglishClassify) GetMaxSort() (maxSort int, err error) {
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//o := orm.NewOrmUsingDB("rddp")
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- sql := `SELECT max(sort) AS sort FROM english_classify`
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+ sql := `SELECT COALESCE(Max(sort), 0) AS sort FROM english_classify`
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//err = o.Raw(sql).QueryRow(&maxSort)
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err = global.DmSQL["rddp"].Raw(sql).Scan(&maxSort).Error
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return
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