srielau commented on code in PR #42985:
URL: https://github.com/apache/spark/pull/42985#discussion_r1334511376
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/misc.scala:
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@@ -61,68 +62,97 @@ case class PrintToStderr(child: Expression) extends
UnaryExpression {
/**
* Throw with the result of an expression (used for debugging).
*/
+// scalastyle:off line.size.limit
@ExpressionDescription(
- usage = "_FUNC_(expr) - Throws an exception with `expr`.",
+ usage = "_FUNC_( expr [, errorParams ]) - Throws a USER_RAISED_EXCEPTION
with `expr` as message, or a defined error class in `expr` with a parameter
map.",
examples = """
Examples:
> SELECT _FUNC_('custom error message');
- java.lang.RuntimeException
- custom error message
+ [USER_RAISED_EXCEPTION] custom error message
+
+ > SELECT _FUNC_('VIEW_NOT_FOUND', Map('relationName' -> '`V1`'));
+ [VIEW_NOT_FOUND] The view `V1` cannot be found. ...
""",
since = "3.1.0",
group = "misc_funcs")
-case class RaiseError(child: Expression, dataType: DataType)
- extends UnaryExpression with ImplicitCastInputTypes {
+// scalastyle:on line.size.limit
+case class RaiseError(errorClass: Expression, errorParms: Expression,
dataType: DataType)
+ extends BinaryExpression with ImplicitCastInputTypes {
+
+ def this(str: Expression) = {
+ this(Literal(
+ if (SQLConf.get.legacyNegativeIndexInArrayInsert) {
Review Comment:
Abandoned effort to put the logic in the wrong spot. Removed.
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