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优化删除语句

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曹鹏飞 2024-03-18 15:22:08 +08:00
parent 3a8b33eb32
commit ccd879665a
1 changed files with 1 additions and 1 deletions
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nflg_project_dev/nflg-bom-new/src/main/resources/mapper/master/BomNewEbomChildMapper.xml
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@ -54,7 +54,7 @@
<update id="updateEBomMaterialUse"> <update id="updateEBomMaterialUse">
SET @@global.group_concat_max_len=804800; SET @@global.group_concat_max_len=804800;
delete from t_bom_new_ebom_material_use; TRUNCATE TABLE t_bom_new_ebom_material_use;
INSERT INTO `t_bom_new_ebom_material_use` (`row_id`, `material_no`, `parent_material_no`) INSERT INTO `t_bom_new_ebom_material_use` (`row_id`, `material_no`, `parent_material_no`)
select min(b.row_id) rowId, b.material_no, GROUP_CONCAt( distinct a.material_no) as value_list select min(b.row_id) rowId, b.material_no, GROUP_CONCAt( distinct a.material_no) as value_list