Github user danielvdende commented on a diff in the pull request:
https://github.com/apache/spark/pull/20057#discussion_r168921833
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala
---
@@ -102,7 +102,12 @@ object JdbcUtils extends Logging {
val dialect = JdbcDialects.get(options.url)
val statement = conn.createStatement
try {
- statement.executeUpdate(dialect.getTruncateQuery(options.table))
+ if (options.isCascadeTruncate.isDefined) {
+ statement.executeUpdate(dialect.getTruncateQuery(options.table,
+ options.isCascadeTruncate))
+ } else {
+ statement.executeUpdate(dialect.getTruncateQuery(options.table))
+ }
--- End diff --
see the previous comment on why this is an `Option[Boolean]`
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