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Use fallback default predicate for QuerydslDataFetcher

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Closes gh-71
This commit is contained in:
Rossen Stoyanchev
2021-06-29 11:52:09 +01:00
parent dfebb6f53d
commit 9a4da366aa
1 changed files with 11 additions and 1 deletions
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12
spring-graphql/src/main/java/org/springframework/graphql/data/QuerydslDataFetcher.java
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@@ -21,6 +21,7 @@ import java.util.Collections;
import java.util.Map;
import java.util.function.Function;
import com.querydsl.core.BooleanBuilder;
import com.querydsl.core.types.EntityPath;
import com.querydsl.core.types.Predicate;
import graphql.schema.DataFetcher;
@@ -153,7 +154,16 @@ public abstract class QuerydslDataFetcher<T> {
parameters.put(entry.getKey(), Collections.singletonList(entry.getValue()));
}
return BUILDER.getPredicate(this.domainType, (MultiValueMap) parameters, bindings);
Predicate predicate = BUILDER.getPredicate(this.domainType, (MultiValueMap) parameters, bindings);
// Temporary workaround for this fix in Spring Data:
// https://github.com/spring-projects/spring-data-commons/issues/2396
if (predicate == null) {
predicate = new BooleanBuilder();
}
return predicate;
}
private static <S, T> Function<S, T> createProjection(Class<T> projectionType) {