third_codes/mybatis-plus-join
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fix https://github.com/yulichang/mybatis-plus-join/issues/61

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This commit is contained in:
yulichang 2023-07-15 12:15:29 +08:00
parent 05191f49b2
commit cc1b03ad3c
3 changed files with 22 additions and 1 deletions
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8
mybatis-plus-join-core/src/main/java/com/github/yulichang/method/mp/SelectObjs.java
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@ -27,6 +27,14 @@ public class SelectObjs extends com.baomidou.mybatisplus.core.injector.methods.S
copyAndSetTableName(tableInfo, getTableName(tableInfo))); copyAndSetTableName(tableInfo, getTableName(tableInfo)));
} }
@Override
protected String sqlSelectObjsColumns(TableInfo table) {
String selectColumns = super.sqlSelectObjsColumns(table);
return SqlScriptUtils.convertChoose(String.format("%s == null or !(%s instanceof %s)", Constants.WRAPPER, Constants.WRAPPER, MPJBaseJoin.class.getName()),
selectColumns, mpjSqlSelectColumns() + StringPool.SPACE + selectColumns);
}
@Override @Override
protected String sqlWhereEntityWrapper(boolean newLine, TableInfo table) { protected String sqlWhereEntityWrapper(boolean newLine, TableInfo table) {
return SqlScriptUtils.convertChoose(String.format("%s == null or !(%s instanceof %s)", Constants.WRAPPER, Constants.WRAPPER, MPJBaseJoin.class.getName()), return SqlScriptUtils.convertChoose(String.format("%s == null or !(%s instanceof %s)", Constants.WRAPPER, Constants.WRAPPER, MPJBaseJoin.class.getName()),

2
mybatis-plus-join-test/test-join/src/main/java/com/github/yulichang/test/join/entity/UserDO.java
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@ -23,7 +23,7 @@ import java.util.Map;
@EqualsAndHashCode(callSuper = true) @EqualsAndHashCode(callSuper = true)
@DynamicTableName @DynamicTableName
@FieldNameConstants @FieldNameConstants
@TableName(value = "`user`") @TableName(value = "`user`", autoResultMap = true)
public class UserDO extends ID<Integer> implements Serializable { public class UserDO extends ID<Integer> implements Serializable {
private Integer pid; private Integer pid;

13
mybatis-plus-join-test/test-join/src/test/java/com/github/yulichang/test/join/LambdaWrapperTest.java
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@ -516,6 +516,19 @@ class LambdaWrapperTest {
System.out.println(list); System.out.println(list);
} }
/**
* 别名测试
*/
@Test
void testObj() {
ThreadLocalUtils.set("SELECT DISTINCT t1.id FROM `user` t LEFT JOIN `user` t1 ON (t1.pid = t.id) WHERE t.del=false AND t1.del=false");
MPJLambdaWrapper<UserDO> wrapper = new MPJLambdaWrapper<UserDO>()
.distinct()
.select(UserDO::getId)
.leftJoin(UserDO.class, UserDO::getPid, UserDO::getId);
List<Object> list = userMapper.selectObjs(wrapper);
}
@Test @Test
void testTableAlias() { void testTableAlias() {
ThreadLocalUtils.set("SELECT t.id,\n" + ThreadLocalUtils.set("SELECT t.id,\n" +