Github user JoshRosen commented on a diff in the pull request: https://github.com/apache/spark/pull/10403#discussion_r50641229 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/jdbc/MySQLDialect.scala --- @@ -40,6 +40,34 @@ private case object MySQLDialect extends JdbcDialect { override def quoteIdentifier(colName: String): String = { s"`$colName`" } + + /** + * Process table name in case of containing special characters like dot seperating database name + * followed by table name (eg "some database"."some-table-name") or + * in case it contains characters that require quotes (e.g. space). + */ + override def schemaQualifiedTableName(tableName: String): String = { + //Removing quotes so that we can add them correctly. + val tableNameWithoutQuotes = tableName.replace("\"", "").replace("\'", "") + + //If block for addressing the case of . (eg "some database"."some-table-name") + if (tableNameWithoutQuotes.contains(".")) { + val tableNameList = tableNameWithoutQuotes.split('.') + tableNameList.foldLeft("") { (leftStr, rightStr) => --- End diff -- Ping. Any updates here?
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