Charles Givre created DRILL-7979:
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Summary: Self-Closing XML Tags Cause Schema Change Exceptions
Key: DRILL-7979
URL: https://issues.apache.org/jira/browse/DRILL-7979
Project: Apache Drill
Issue Type: Bug
Components: Storage - Other
Affects Versions: 1.19.0
Reporter: Charles Givre
Assignee: Charles Givre
Fix For: 1.20.0
Self closing XML tags are dealt with strangely by java's streaming parser. If
you have data where you have one row containing a self closing XML tag foo
(<foo/>) but then in the next row `foo` contains a map or other nested field,
Drill will throw a schema change exception.
This proposed fix causes Drill to ignore self-closing tags unless they have
attributes, which allows data like this to be successfully queried.
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