Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/6178#discussion_r30561484
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -576,6 +576,13 @@ class Analyzer(
/** Extracts a [[Generator]] expression and any names assigned by
aliases to their output. */
private object AliasedGenerator {
def unapply(e: Expression): Option[(Generator, Seq[String])] = e
match {
+ case Alias(g: Generator, name) if g.elementTypes.size > 1 => {
--- End diff --
Yeah, that's what I was thinking.
On May 18, 2015 6:00 PM, "Cheng Hao" <[email protected]> wrote:
> In
>
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
> <https://github.com/apache/spark/pull/6178#discussion_r30561456>:
>
> > @@ -576,6 +576,13 @@ class Analyzer(
> > /** Extracts a [[Generator]] expression and any names assigned by
aliases to their output. */
> > private object AliasedGenerator {
> > def unapply(e: Expression): Option[(Generator, Seq[String])] = e
match {
> > + case Alias(g: Generator, name) if g.elementTypes.size > 1 => {
>
> Sorry, I am not sure what you mean for regex? You mean to check if the
> name like _c0, _c1 in regex?
>
> â
> Reply to this email directly or view it on GitHub
> <https://github.com/apache/spark/pull/6178/files#r30561456>.
>
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