cloud-fan commented on a change in pull request #35936:
URL: https://github.com/apache/spark/pull/35936#discussion_r832875864
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File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/ParserUtilsSuite.scala
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@@ -199,4 +217,42 @@ class ParserUtilsSuite extends SparkFunSuite {
assert(origin == Origin(Some(3), Some(27)))
assert(CurrentOrigin.get == current)
}
+
+ private def findCastContext(ctx: ParserRuleContext): Option[CastContext] = {
+ ctx match {
+ case context: CastContext =>
+ Some(context)
+ case _ =>
+ val it = ctx.children.iterator()
+ while(it.hasNext) {
+ it.next() match {
+ case p: ParserRuleContext =>
+ val childResult = findCastContext(p)
+ if (childResult.isDefined) {
+ return childResult
+ }
+ case _ =>
+ }
+ }
+ None
+ }
+ }
+
+ test("withOrigin: setting SQL text") {
+ withOrigin(castQueryContext, Some(castQuery)) {
+ assert(CurrentOrigin.get.sqlText.contains(castQuery))
+ val castContext = findCastContext(castQueryContext)
+ assert(castContext.isDefined)
+ withOrigin(castContext.get) {
+ val current = CurrentOrigin.get
+ assert(current.sqlText.contains(castQuery))
+ assert(current.startIndex.isDefined)
+ assert(current.stopIndex.isDefined)
+ // With sqlText, startIndex, stopIndex, we can get the corresponding
SQL text of the
+ // Cast clause.
+ assert(current.sqlText.get.substring(current.startIndex.get,
current.stopIndex.get + 1) ==
Review comment:
shall we put the substring calculation in `Origin` as a method?
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