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@@ -1,6 +1,7 @@
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package data_manage
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import (
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+ sql2 "database/sql"
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"eta/eta_api/global"
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"eta/eta_api/utils"
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"fmt"
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@@ -203,9 +204,13 @@ type AiPredictModelClassifyEditReq struct {
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}
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func (m *AiPredictModelClassify) GetSortMax(parentId int) (sort int, err error) {
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- o := global.DbMap[utils.DbNameIndex]
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+ var sortNull sql2.NullInt64
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sql := fmt.Sprintf(`SELECT MAX(%s) FROM %s WHERE %s = ?`, m.Cols().Sort, m.TableName(), m.Cols().ParentId)
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- err = o.Raw(sql, parentId).Scan(&sort).Error
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+ err = global.DbMap[utils.DbNameIndex].Raw(sql, parentId).Scan(&sortNull).Error
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+ if err == nil && sortNull.Valid {
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+ sort = int(sortNull.Int64)
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+ }
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+
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return
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}
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