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修复关联查询出现重复的join：https://github.com/elunez/eladmin/issues/655 

close https://github.com/elunez/eladmin/issues/655
pull/805/head
Zheng Jie 2023-07-05 10:22:39 +08:00
parent cf3655adf4
commit b46d50fef1
1 changed files with 31 additions and 27 deletions
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58
eladmin-common/src/main/java/me/zhengjie/utils/QueryHelp.java
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@ -53,6 +53,7 @@ public class QueryHelp {
}
}
try {
Map<String, Join> joinKey = new HashMap<>();
List<Field> fields = getAllFields(query.getClass(), new ArrayList<>());
for (Field field : fields) {
boolean accessible = field.isAccessible();
@ -75,40 +76,43 @@ public class QueryHelp {
String[] blurrys = blurry.split(",");
List<Predicate> orPredicate = new ArrayList<>();
for (String s : blurrys) {
orPredicate.add(cb.like(root.get(s)
.as(String.class), "%" + val.toString() + "%"));
orPredicate.add(cb.like(root.get(s).as(String.class), "%" + val.toString() + "%"));
}
Predicate[] p = new Predicate[orPredicate.size()];
list.add(cb.or(orPredicate.toArray(p)));
continue;
}
if (ObjectUtil.isNotEmpty(joinName)) {
String[] joinNames = joinName.split(">");
for (String name : joinNames) {
switch (q.join()) {
case LEFT:
if(ObjectUtil.isNotNull(join) && ObjectUtil.isNotNull(val)){
join = join.join(name, JoinType.LEFT);
} else {
join = root.join(name, JoinType.LEFT);
}
break;
case RIGHT:
if(ObjectUtil.isNotNull(join) && ObjectUtil.isNotNull(val)){
join = join.join(name, JoinType.RIGHT);
} else {
join = root.join(name, JoinType.RIGHT);
}
break;
case INNER:
if(ObjectUtil.isNotNull(join) && ObjectUtil.isNotNull(val)){
join = join.join(name, JoinType.INNER);
} else {
join = root.join(name, JoinType.INNER);
}
break;
default: break;
join = joinKey.get(joinName);
if(join == null){
String[] joinNames = joinName.split(">");
for (String name : joinNames) {
switch (q.join()) {
case LEFT:
if(ObjectUtil.isNotNull(join) && ObjectUtil.isNotNull(val)){
join = join.join(name, JoinType.LEFT);
} else {
join = root.join(name, JoinType.LEFT);
}
break;
case RIGHT:
if(ObjectUtil.isNotNull(join) && ObjectUtil.isNotNull(val)){
join = join.join(name, JoinType.RIGHT);
} else {
join = root.join(name, JoinType.RIGHT);
}
break;
case INNER:
if(ObjectUtil.isNotNull(join) && ObjectUtil.isNotNull(val)){
join = join.join(name, JoinType.INNER);
} else {
join = root.join(name, JoinType.INNER);
}
break;
default: break;
}
}
joinKey.put(joinName, join);
}
}
switch (q.type()) {