Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/5526#discussion_r29998616
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/sources/DataSourceStrategy.scala
---
@@ -179,13 +364,13 @@ private[sql] object DataSourceStrategy extends
Strategy {
translate(child).map(sources.Not)
case expressions.StartsWith(a: Attribute, Literal(v: UTF8String,
StringType)) =>
- Some(sources.StringStartsWith(a.name, v.toString))
+ Some(sources.StringStartsWith(a.name, v.toString()))
--- End diff --
It's because `UTF8String.toString()` was defined with `()`, just want to
keep consistent with the definition. Or we probably want remove `()` from the
method definition?
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