yaooqinn commented on code in PR #45564:
URL: https://github.com/apache/spark/pull/45564#discussion_r1535173845
##########
sql/core/src/main/scala/org/apache/spark/sql/jdbc/MsSqlServerDialect.scala:
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@@ -86,6 +87,20 @@ private object MsSqlServerDialect extends JdbcDialect {
case "STDDEV_SAMP" => "STDEV"
case _ => super.dialectFunctionName(funcName)
}
+
+ override def build(expr: Expression): String = {
+ // MsSqlServer does not support boolean comparison using standard
comparison operators
+ // We shouldn't propagate these queries to MsSqlServer
+ expr match {
+ case e: Predicate => e.name() match {
+ case "=" | "<>" | "<=>" | "<" | "<=" | ">" | ">="
+ if e.children().exists(_.isInstanceOf[Predicate]) =>
+ super.visitUnexpectedExpr(expr)
Review Comment:
```suggestion
if e.children().exists(_.isInstanceOf[Predicate]) =>
super.visitUnexpectedExpr(expr)
```
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