Maxim Gekk created SPARK-24849:
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Summary: Convert StructType to DDL string
Key: SPARK-24849
URL: https://issues.apache.org/jira/browse/SPARK-24849
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.3.1
Reporter: Maxim Gekk
Need to add new methods which should convert a value of StructType to a schema
in DDL format . It should be possible to use the former string in new table
creation by just copy-pasting of new method results. The existing methods
simpleString(), catalogString() and sql() put ':' between top level field name
and its type, and wrap by the *struct* word
{code}
ds.schema.catalogString
struct<metaData:struct<eventId:string ...
{code}
Output of new method should be
{code}
metaData struct<eventId:string ...
{code}
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