package com.zy.asrs.wms.asrs.mapper;
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import com.zy.asrs.wms.asrs.entity.LocDetlField;
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import com.zy.asrs.wms.asrs.entity.MatField;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Param;
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import org.apache.ibatis.annotations.SelectProvider;
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import org.springframework.stereotype.Repository;
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import java.util.List;
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import java.util.Map;
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@Mapper
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@Repository
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public interface MatFieldMapper extends BaseMapper<MatField> {
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@SelectProvider(type = SqlProvider.class, method = "createViewSql")
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void createView(@Param("list") List<MatField> list);
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class SqlProvider {
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public String createViewSql(Map<String, Object> params) {
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List<MatField> list = (List<MatField>) params.get("list");
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StringBuilder sql = new StringBuilder();
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sql.append(" CREATE OR REPLACE VIEW view_man_loc_detl_field AS \n");
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sql.append(" SELECT detl_id ");
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for (MatField matField : list) {
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sql.append(", MAX(CASE WHEN name = '").append(matField.getName()).append("' THEN value END) AS ").append(matField.getName());
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}
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sql.append(" FROM man_loc_detl_field ");
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sql.append(" GROUP BY detl_id ");
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return sql.toString();
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}
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}
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}
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