Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/12618#discussion_r62598308
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
---
@@ -93,6 +95,41 @@ class SessionCatalog(
}
/**
+ * Checks if the given name conforms the Hive standard ("[a-zA-z_0-9]+"),
+ * i.e. if this name only contains characters, numbers, and _.
+ *
+ * This method is intended to have the same behavior of
+ * org.apache.hadoop.hive.metastore.MetaStoreUtils.validateName.
+ */
+ protected[this] def validateName(name: String): Boolean = {
+ validName.pattern.matcher(name).matches()
+ }
+
+ /**
+ * Validate database names
+ */
+ def validateDatabaseName(dbName: Option[String]): Unit = {
+ if (dbName.isDefined) validateDatabaseName(dbName.get)
+ }
+
+ def validateDatabaseName(dbName: String): Unit = {
+ if (!validateName(dbName)) {
+ throw new AnalysisException(s"Database name '$dbName' is not a valid
name. " +
+ s"Valid database names only contain characters, numbers and _.")
+ }
+ }
+
+ /**
+ * Validate table names
+ */
--- End diff --
Sure, will do it.
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