kasakrisz commented on code in PR #6204:
URL: https://github.com/apache/hive/pull/6204#discussion_r2556125374
##########
parser/src/java/org/apache/hadoop/hive/ql/parse/HiveParser.g:
##########
@@ -2363,7 +2363,8 @@ columnConstraintType
;
defaultVal
- : constant
+ : (PLUS | MINUS) unsignedNumericLiterals
+ | constant
| function
| castExpression
Review Comment:
How about extending the grammar to support it?
It is supported in select clause. And functions too
```
explain ast
select -cast(22.0 as int), +log2(16);
```
```
TOK_QUERY
TOK_INSERT
TOK_DESTINATION
TOK_DIR
TOK_TMP_FILE
TOK_SELECT
TOK_SELEXPR
-
TOK_FUNCTION
TOK_INT
22.0
TOK_SELEXPR
+
TOK_FUNCTION
log2
16
```
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