beliefer commented on a change in pull request #25001: [SPARK-28083][SQL]
Support LIKE ... ESCAPE syntax
URL: https://github.com/apache/spark/pull/25001#discussion_r354649171
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/regexpExpressions.scala
##########
@@ -104,19 +103,22 @@ abstract class StringRegexExpression extends
BinaryExpression
spark.sql.parser.escapedStringLiterals false
> SELECT '%SystemDrive%\\Users\\John' _FUNC_ '\%SystemDrive\%\\\\Users%';
true
+ > SELECT '%SystemDrive%/Users/John' _FUNC_ '/%SystemDrive/%//Users%'
ESCAPE '/';
+ true
""",
note = """
Use RLIKE to match with standard regular expressions.
""",
since = "1.0.0")
// scalastyle:on line.contains.tab
-case class Like(left: Expression, right: Expression) extends
StringRegexExpression {
+case class Like(left: Expression, right: Expression, escapeChar: Char = '\\')
+ extends StringRegexExpression {
- override def escape(v: String): String = StringUtils.escapeLikeRegex(v)
+ override def escape(v: String): String = StringUtils.escapeLikeRegex(v,
escapeChar)
override def matches(regex: Pattern, str: String): Boolean =
regex.matcher(str).matches()
- override def toString: String = s"$left LIKE $right"
+ override def toString: String = s"$left LIKE $right ESCAPE '$escapeChar'"
Review comment:
OK
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
