cloud-fan commented on a change in pull request #29999:
URL: https://github.com/apache/spark/pull/29999#discussion_r504673341
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/regexpExpressions.scala
##########
@@ -176,6 +177,195 @@ case class Like(left: Expression, right: Expression,
escapeChar: Char)
}
}
+abstract class LikeAllBase extends Expression with ImplicitCastInputTypes with
NullIntolerant {
+ def value: Expression = children.head
+ def list: Seq[Expression] = children.tail
+ def isNot: Boolean
+
+ override def inputTypes: Seq[AbstractDataType] = {
+ val arrayOrStr = TypeCollection(ArrayType(StringType), StringType)
+ StringType +: Seq.fill(children.size - 1)(arrayOrStr)
+ }
+
+ override def dataType: DataType = BooleanType
+
+ override def foldable: Boolean = value.foldable && list.forall(_.foldable)
+
+ override def nullable: Boolean = true
+
+ def escape(v: String): String = StringUtils.escapeLikeRegex(v, '\\')
+
+ def matches(regex: Pattern, str: String): Boolean =
regex.matcher(str).matches()
+
+ override def eval(input: InternalRow): Any = {
+ val evaluatedValue = value.eval(input)
+ if (evaluatedValue == null) {
+ null
+ } else {
+ list.foreach { e =>
+ val str = e.eval(input)
+ if (str == null) {
+ return null
+ }
+ val regex =
Pattern.compile(escape(str.asInstanceOf[UTF8String].toString))
+ if(regex == null) {
Review comment:
can this happen?
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