Maxim Gekk created SPARK-24004:
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Summary: Tests of from_json for MapType
Key: SPARK-24004
URL: https://issues.apache.org/jira/browse/SPARK-24004
Project: Spark
Issue Type: Test
Components: SQL
Affects Versions: 2.3.0
Reporter: Maxim Gekk
There are no tests for *from_json* that check *MapType* as a value type of
struct fields. The MapType should be supported as non-root type according to
current implementation of JacksonParser but the functionality is not checked.
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