superfluous parenthesis break queries
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Key: HIVE-289
URL: https://issues.apache.org/jira/browse/HIVE-289
Project: Hadoop Hive
Issue Type: Bug
Components: Query Processor
Reporter: S. Alex Smith
Queries like"from (my_table) select *;" break.
This has a deleterious effect on automated query construction. In particular,
the following works well:
"FROM %s <do something complicated>" % "my_table"
"FROM %s <do something complicated>" % "(FROM my_other_table SELECT my_row
WHERE my_table.ds='2009-02-13')"
but if extra parenthesis were correctly ignored, the following would also work:
"FROM (%s) <do something complicated>" % "my_table"
"FROM (%s) <do something complicated>" % "FROM my_other_table SELECT my_row
WHERE my_table.ds='2009-02-13'"
which would allow a much more convenient and generic nesting of queries.
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