Gengliang Wang created SPARK-34856:
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Summary: ANSI mode: Allow casting complex types as string type
Key: SPARK-34856
URL: https://issues.apache.org/jira/browse/SPARK-34856
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.2.0
Reporter: Gengliang Wang
Assignee: Gengliang Wang
Currently, complex types are not allowed to cast as string type. This breaks
the Dataset.show() API. E.g
{code:java}
scala> sql(“select array(1, 2, 2)“).show(false)
org.apache.spark.sql.AnalysisException: cannot resolve ‘CAST(`array(1, 2, 2)`
AS STRING)’ due to data type mismatch:
cannot cast array<int> to string with ANSI mode on.
{code}
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