MaxGekk commented on a change in pull request #26291: [SPARK-29629][SQL]
Support typed integer literal expression
URL: https://github.com/apache/spark/pull/26291#discussion_r339922837
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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@@ -1799,6 +1799,16 @@ class AstBuilder(conf: SQLConf) extends
SqlBaseBaseVisitor[AnyRef] with Logging
case "X" =>
val padding = if (value.length % 2 != 0) "0" else ""
Literal(DatatypeConverter.parseHexBinary(padding + value))
+ case "INTEGER" =>
+ val i = try {
+ Integer.parseInt(value)
+ } catch {
+ case e: NumberFormatException =>
+ val ex = new ParseException(s"Cannot parse the Int value:
$value, $e", ctx)
+ ex.setStackTrace(e.getStackTrace)
+ throw ex
+ }
+ Literal(i)
Review comment:
Could you replace it by `Literal(i, IntegerType)`, so, Literal.apply()
doesn't have to pattern match `i` to infer `IntegerType`.
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