pin_zhang created SPARK-24749:
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Summary: Cannot filter array<struct> with named_struct
Key: SPARK-24749
URL: https://issues.apache.org/jira/browse/SPARK-24749
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.3.1
Reporter: pin_zhang
1. Create Table
create table arr__int( arr array<struct<a:int>> )stored as parquet;
2. Insert data
insert into arr__int values( array(named_struct('a', 1)));
3. Filter with struct data
select * from arr__int where array_contains (arr, named_struct('a', 1));
Error: org.apache.spark.sql.AnalysisException: cannot resolve
'array_contains(arr__int.`arr`, named_struct('a', 1))' due to data type
mismatch: Arguments must be an array followed by a value of same type as the
array members; line 1 pos 29;
'Project [*]
+- 'Filter array_contains(arr#6, named_struct(a, 1))
+- SubqueryAlias arr__int
+- Relation[arr#6] parquet (state=,code=0)
Caused by schema null is always false in named_struct
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