cloud-fan commented on PR #47364:
URL: https://github.com/apache/spark/pull/47364#issuecomment-2345184836
BTW we already have a TVF to get all the SQL keywords
```
@ExpressionDescription(
usage = """_FUNC_() - Get Spark SQL keywords""",
examples = """
Examples:
> SELECT * FROM _FUNC_() LIMIT 2;
ADD false
AFTER false
""",
since = "3.5.0",
group = "generator_funcs")
case class SQLKeywords() extends LeafExpression with Generator with
CodegenFallback {
override def elementSchema: StructType = new StructType()
.add("keyword", StringType, nullable = false)
.add("reserved", BooleanType, nullable = false)
override def eval(input: InternalRow): IterableOnce[InternalRow] = {
val reservedList = getReservedList()
keywords.zip(reservedList).map { case (keyword, isReserved) =>
InternalRow(UTF8String.fromString(keyword), isReserved)
}
}
override def prettyName: String = "sql_keywords"
}
```
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