dongjoon-hyun commented on code in PR #49564:
URL: https://github.com/apache/spark/pull/49564#discussion_r1927801518
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sql/core/src/main/scala/org/apache/spark/sql/jdbc/MySQLDialect.scala:
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@@ -406,7 +406,7 @@ private case class MySQLDialect() extends JdbcDialect with
SQLConfHelper with No
}
options.prepareQuery +
- s"SELECT $columnList FROM ${options.tableOrQuery} $tableSampleClause" +
+ s"SELECT ${options.hint}$columnList FROM ${options.tableOrQuery}
$tableSampleClause" +
Review Comment:
To @pan3793 , it's just a comment, but Apache Spark's HINT is also in SELECT
clause only.
https://spark.apache.org/docs/latest/sql-ref-syntax-qry-select-hints.html#hints
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