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https://github.com/continew-org/continew-starter.git
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refactor: 优化数据权限处理器代码结构
修复 Sonar 扫描问题
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@@ -87,9 +87,6 @@ public class DataPermissionHandlerImpl implements DataPermissionHandler {
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*/
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private Expression buildDataScopeFilter(DataPermission dataPermission, Expression where) {
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Expression expression = null;
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String tableAlias = dataPermission.tableAlias();
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String id = dataPermission.id();
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String deptId = dataPermission.deptId();
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DataPermissionCurrentUser currentUser = dataPermissionFilter.getCurrentUser();
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Set<DataPermissionCurrentUser.CurrentUserRole> roles = currentUser.getRoles();
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for (DataPermissionCurrentUser.CurrentUserRole role : roles) {
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@@ -97,62 +94,127 @@ public class DataPermissionHandlerImpl implements DataPermissionHandler {
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if (DataScope.ALL.equals(dataScope)) {
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return where;
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}
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if (DataScope.DEPT_AND_CHILD.equals(dataScope)) {
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// 构建子查询
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// 语句示例：select t1.* from table as t1 where t1.`dept_id` in (select `id` from `sys_dept` where `id` = xxx or find_in_set(xxx, `ancestors`));
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SubSelect subSelect = new SubSelect();
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PlainSelect select = new PlainSelect();
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select.setSelectItems(Collections.singletonList(new SelectExpressionItem(new Column(id))));
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select.setFromItem(new Table(dataPermission.deptTableAlias()));
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EqualsTo equalsTo = new EqualsTo();
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equalsTo.setLeftExpression(new Column(id));
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equalsTo.setRightExpression(new LongValue(currentUser.getDeptId()));
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Function function = new Function();
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function.setName("find_in_set");
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function.setParameters(new ExpressionList(new LongValue(currentUser
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.getDeptId()), new Column("ancestors")));
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select.setWhere(new OrExpression(equalsTo, function));
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subSelect.setSelectBody(select);
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// 构建父查询
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InExpression inExpression = new InExpression();
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inExpression.setLeftExpression(this.buildColumn(tableAlias, deptId));
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inExpression.setRightExpression(subSelect);
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expression = null != expression ? new OrExpression(expression, inExpression) : inExpression;
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} else if (DataScope.DEPT.equals(dataScope)) {
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// 语句示例：select t1.* from table as t1 where t1.`dept_id` = xxx;
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EqualsTo equalsTo = new EqualsTo();
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equalsTo.setLeftExpression(this.buildColumn(tableAlias, deptId));
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equalsTo.setRightExpression(new LongValue(currentUser.getDeptId()));
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expression = null != expression ? new OrExpression(expression, equalsTo) : equalsTo;
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} else if (DataScope.SELF.equals(dataScope)) {
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// 语句示例：select t1.* from table as t1 where t1.`create_user` = xxx;
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EqualsTo equalsTo = new EqualsTo();
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equalsTo.setLeftExpression(this.buildColumn(tableAlias, dataPermission.userId()));
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equalsTo.setRightExpression(new LongValue(currentUser.getUserId()));
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expression = null != expression ? new OrExpression(expression, equalsTo) : equalsTo;
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} else if (DataScope.CUSTOM.equals(dataScope)) {
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// 构建子查询
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// 语句示例：select t1.* from table as t1 where t1.`dept_id` in (select `dept_id` from `sys_role_dept` where
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// `role_id` = xxx);
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SubSelect subSelect = new SubSelect();
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PlainSelect select = new PlainSelect();
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select.setSelectItems(Collections.singletonList(new SelectExpressionItem(new Column(deptId))));
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select.setFromItem(new Table(dataPermission.roleDeptTableAlias()));
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EqualsTo equalsTo = new EqualsTo();
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equalsTo.setLeftExpression(new Column(dataPermission.roleId()));
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equalsTo.setRightExpression(new LongValue(role.getRoleId()));
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select.setWhere(equalsTo);
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subSelect.setSelectBody(select);
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// 构建父查询
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InExpression inExpression = new InExpression();
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inExpression.setLeftExpression(this.buildColumn(tableAlias, deptId));
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inExpression.setRightExpression(subSelect);
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expression = null != expression ? new OrExpression(expression, inExpression) : inExpression;
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switch (dataScope) {
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case DEPT_AND_CHILD -> expression = this
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.buildDeptAndChildExpression(dataPermission, currentUser, expression);
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case DEPT -> expression = this.buildDeptExpression(dataPermission, currentUser, expression);
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case SELF -> expression = this.buildSelfExpression(dataPermission, currentUser, expression);
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case CUSTOM -> expression = this.buildCustomExpression(dataPermission, role, expression);
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}
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}
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return null != where ? new AndExpression(where, new Parenthesis(expression)) : expression;
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}
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/**
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* 构建本部门及以下数据权限表达式
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*
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* <p>
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* 处理完后的 SQL 示例：<br /> select t1.* from table as t1 where t1.`dept_id` in (select `id` from `sys_dept` where `id` =
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* xxx or find_in_set(xxx, `ancestors`));
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* </p>
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*
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* @param dataPermission 数据权限
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* @param currentUser 当前用户
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* @param expression 处理前的表达式
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* @return 处理完后的表达式
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*/
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private Expression buildDeptAndChildExpression(DataPermission dataPermission,
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DataPermissionCurrentUser currentUser,
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Expression expression) {
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SubSelect subSelect = new SubSelect();
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PlainSelect select = new PlainSelect();
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select.setSelectItems(Collections.singletonList(new SelectExpressionItem(new Column(dataPermission.id()))));
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select.setFromItem(new Table(dataPermission.deptTableAlias()));
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EqualsTo equalsTo = new EqualsTo();
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equalsTo.setLeftExpression(new Column(dataPermission.id()));
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equalsTo.setRightExpression(new LongValue(currentUser.getDeptId()));
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Function function = new Function();
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function.setName("find_in_set");
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function.setParameters(new ExpressionList(new LongValue(currentUser.getDeptId()), new Column("ancestors")));
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select.setWhere(new OrExpression(equalsTo, function));
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subSelect.setSelectBody(select);
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// 构建父查询
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InExpression inExpression = new InExpression();
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inExpression.setLeftExpression(this.buildColumn(dataPermission.tableAlias(), dataPermission.deptId()));
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inExpression.setRightExpression(subSelect);
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return null != expression ? new OrExpression(expression, inExpression) : inExpression;
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}
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/**
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* 构建本部门数据权限表达式
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*
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* <p>
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* 处理完后的 SQL 示例：<br /> select t1.* from table as t1 where t1.`dept_id` = xxx;
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* </p>
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*
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* @param dataPermission 数据权限
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* @param currentUser 当前用户
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* @param expression 处理前的表达式
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* @return 处理完后的表达式
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*/
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private Expression buildDeptExpression(DataPermission dataPermission,
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DataPermissionCurrentUser currentUser,
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Expression expression) {
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EqualsTo equalsTo = new EqualsTo();
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equalsTo.setLeftExpression(this.buildColumn(dataPermission.tableAlias(), dataPermission.deptId()));
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equalsTo.setRightExpression(new LongValue(currentUser.getDeptId()));
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return null != expression ? new OrExpression(expression, equalsTo) : equalsTo;
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}
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/**
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* 构建仅本人数据权限表达式
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*
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* <p>
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* 处理完后的 SQL 示例：<br /> select t1.* from table as t1 where t1.`create_user` = xxx;
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* </p>
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*
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* @param dataPermission 数据权限
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* @param currentUser 当前用户
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* @param expression 处理前的表达式
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* @return 处理完后的表达式
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*/
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//
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private Expression buildSelfExpression(DataPermission dataPermission,
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DataPermissionCurrentUser currentUser,
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Expression expression) {
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EqualsTo equalsTo = new EqualsTo();
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equalsTo.setLeftExpression(this.buildColumn(dataPermission.tableAlias(), dataPermission.userId()));
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equalsTo.setRightExpression(new LongValue(currentUser.getUserId()));
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return null != expression ? new OrExpression(expression, equalsTo) : equalsTo;
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}
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/**
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* 构建自定义数据权限表达式
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*
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* <p>
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* 处理完后的 SQL 示例：<br /> select t1.* from table as t1 where t1.`dept_id` in (select `dept_id` from `sys_role_dept`
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* where `role_id` = xxx);
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* </p>
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*
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* @param dataPermission 数据权限
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* @param role 当前用户角色
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* @param expression 处理前的表达式
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* @return 处理完后的表达式
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*/
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private Expression buildCustomExpression(DataPermission dataPermission,
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DataPermissionCurrentUser.CurrentUserRole role,
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Expression expression) {
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SubSelect subSelect = new SubSelect();
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PlainSelect select = new PlainSelect();
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select.setSelectItems(Collections.singletonList(new SelectExpressionItem(new Column(dataPermission.deptId()))));
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select.setFromItem(new Table(dataPermission.roleDeptTableAlias()));
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EqualsTo equalsTo = new EqualsTo();
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equalsTo.setLeftExpression(new Column(dataPermission.roleId()));
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equalsTo.setRightExpression(new LongValue(role.getRoleId()));
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select.setWhere(equalsTo);
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subSelect.setSelectBody(select);
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// 构建父查询
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InExpression inExpression = new InExpression();
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inExpression.setLeftExpression(this.buildColumn(dataPermission.tableAlias(), dataPermission.deptId()));
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inExpression.setRightExpression(subSelect);
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return null != expression ? new OrExpression(expression, inExpression) : inExpression;
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}
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/**
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* 构建 Column
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*
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