Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/12537#discussion_r60682645
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/TableIdentifierParserSuite.scala
---
@@ -30,13 +64,22 @@ class TableIdentifierParserSuite extends SparkFunSuite {
// Illegal names.
intercept[ParseException](parseTableIdentifier(""))
intercept[ParseException](parseTableIdentifier("d.q.g"))
+ }
+ test("table identifier - keywords") {
// SQL Keywords.
- val keywords = Seq("select", "from", "where", "left", "right")
+ val keywords = Seq("select", "from", "where") ++
hiveNonReservedRegression
keywords.foreach { keyword =>
intercept[ParseException](parseTableIdentifier(keyword))
assert(TableIdentifier(keyword) ===
parseTableIdentifier(s"`$keyword`"))
assert(TableIdentifier(keyword, Option("db")) ===
parseTableIdentifier(s"db.`$keyword`"))
}
}
+
+ test("table identifier - non reserved keywords") {
+ // Hive keywords are allowed.
+ hiveNonReservedKeyword.foreach { nonReserved =>
+ assert(TableIdentifier(nonReserved) ===
parseTableIdentifier(nonReserved))
+ }
+ }
--- End diff --
Another bug I found is about the table identifier. Hive does not allow
`_a`. Do you want me to fix it? Or you want to do it?
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