Wenchen Fan created SPARK-5278:
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Summary: ambiguous reference to fields in Spark SQL is incompleted
Key: SPARK-5278
URL: https://issues.apache.org/jira/browse/SPARK-5278
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Wenchen Fan
for json string like
{"a":[
{
"b": 1,
"B": 2
}
}
The SQL `SELECT a.b from t` will report error for ambiguous reference to fields.
But for json string like
{"a":[
{
"b": 1,
"B": 2
}]
}
The SQL `SELECT a[0].b from t` will pass and pick the first `b`
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