allisonwang-db commented on a change in pull request #34796:
URL: https://github.com/apache/spark/pull/34796#discussion_r762175325
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
##########
@@ -348,11 +348,13 @@ case class Elt(
}.mkString)
val indexOutOfBoundBranch = if (failOnError) {
+ // scalastyle:off line.size.limit
s"""
|if (!$indexMatched) {
- | throw QueryExecutionErrors.invalidArrayIndexError(${index.value},
${inputExprs.length});
+ | throw QueryExecutionErrors.invalidStringIndexError(${index.value},
${inputExprs.length});
Review comment:
`invalidInputIndexError`
##########
File path: core/src/main/resources/error/error-classes.json
##########
@@ -82,6 +82,9 @@
"message" : [ "The fraction of sec must be zero. Valid range is [0, 60].
If necessary set %s to false to bypass this error. " ],
"sqlState" : "22023"
},
+ "INVALID_INPUT_INDEX" : {
Review comment:
Do we need to add a new error? The error message here seems a little
inconsistent between map and array access using `[]` operator:
```
SELECT array(1,2,3)[3]; // Do not hint `try_element_at`
SELECT map('a', 1, 'b', 2)['c']; // Hint `try_element_at`
```
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