Kousuke Saruta created SPARK-34636:
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Summary: sql method in UnresolvedAttribute, AttributeReference and
Alias don't quote qualified names properly.
Key: SPARK-34636
URL: https://issues.apache.org/jira/browse/SPARK-34636
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.1.1, 3.0.2, 3.2.0
Reporter: Kousuke Saruta
Assignee: Kousuke Saruta
UnresolvedReference, AttributeReference and Alias which take qualifier don't
quote qualified names properly.
One instance is reported in SPARK-34626.
Other instances are like as follows.
{code}
UnresolvedAttribute("a`b"::"c.d"::Nil).sql
a`b.`c.d` // should be `a``b`.`c.d`
AttributeReference("a.b", IntegerType)(qualifier = "c.d"::Nil)
c.d.`a.b` // should be `c.d`.`a.b`
Alias(AttributeReference("a", IntegerType)(), "b.c")(qualifier = "d.e"::Nil).sql
`a` AS d.e.`b.c` // should be `a` AS `d.e`.`b.c`
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