harshmotw-db commented on code in PR #46141:
URL: https://github.com/apache/spark/pull/46141#discussion_r1574119555
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/variant/variantExpressions.scala:
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@@ -75,6 +75,36 @@ case class ParseJson(child: Expression)
copy(child = newChild)
}
+// scalastyle:off line.size.limit
+@ExpressionDescription(
+ usage = "_FUNC_(jsonStr) - Parse a JSON string as an Variant value. Returns
null when the string is not valid JSON value.",
+ examples = """
+ Examples:
+ > SELECT _FUNC_('{"a":1,"b":0.8}');
+ {"a":1,"b":0.8}
+ """,
+ since = "4.0.0",
+ group = "variant_funcs"
+)
+// scalastyle:on line.size.limit
+case class TryParseJson(expr: Expression, replacement: Expression)
+ extends RuntimeReplaceable with InheritAnalysisRules {
+ def this(child: Expression) = this(child, TryEval(ParseJson(child)))
Review Comment:
I understand. I have reimplemented it and made it similar to the
implementation of the `try_variant_get` expression.
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