cloud-fan commented on a change in pull request #29708:
URL: https://github.com/apache/spark/pull/29708#discussion_r486151830
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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@@ -2132,7 +2134,12 @@ class AstBuilder(conf: SQLConf) extends
SqlBaseBaseVisitor[AnyRef] with Logging
val kvs = units.indices.map { i =>
val u = units(i).getText
val v = if (values(i).STRING() != null) {
- string(values(i).STRING())
+ val value = string(values(i).STRING()).trim
+ if (!intervalValStrPattern.matcher(value).matches()) {
Review comment:
And we should add comments to explain why we need the check.
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