SQL,HQL查询方式写法

本文详细介绍了如何使用SQL和HQL通过组织ID获取角色配置的实现过程,包括构建动态SQL字符串和HQL字符串,以及使用findBySql和executeQueryByHQL方法进行查询。

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public List<RoleConfiguration> getRoleConfigurationsByOrganizationsAndSql(List<Organizations> organizations){

List<RoleConfiguration> roleList = null;

// select * from roleconfiguration r where r.`OrganizationId` in (1,2)

String sql =  "select * from roleconfiguration r where r.OrganizationId in (";

for (Organizations org : organizations) {

sql += org.getId()+",";

} // select * from roleconfiguration r where r.`OrganizationId` in (1,2,

if(sql.endsWith(",")){

sql = sql.substring(0, sql.length() -1); // select * from roleconfiguration r where r.`OrganizationId` in (1,2

}

sql += ")"; //// select * from roleconfiguration r where r.`OrganizationId` in (1,2)

roleList = this.findBySql(sql);

return roleList;

}

public List<RoleConfiguration> getRoleConfigurationsByOrganizationsAndHql(List<Organizations> organizations){

List<RoleConfiguration> roleList = null;

String hql = " select r from RoleConfiguration r where r.organizations.id in (";

for (Organizations org : organizations) {

hql += org.getId()+",";

}

if(hql.endsWith(",")){

hql = hql.substring(0, hql.length()-1);

}

hql += ")";

roleList = this.executeQueryByHQL(hql, null);

return roleList;

}

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