wypoon commented on code in PR #12681:
URL: https://github.com/apache/iceberg/pull/12681#discussion_r2020290971
##########
hive-metastore/src/test/java/org/apache/iceberg/hive/TestHiveCommits.java:
##########
@@ -303,10 +303,10 @@ public void testThriftExceptionConcurrentCommit() throws
TException, Interrupted
@Test
public void testInvalidObjectException() {
- TableIdentifier badTi = TableIdentifier.of(DB_NAME, "`tbl`");
+ TableIdentifier badTi = TableIdentifier.of(DB_NAME, "tábl");
Review Comment:
Before Hive 4, the only special character allowed is '/':
https://github.com/apache/hive/blob/branch-3.1/standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/utils/MetaStoreUtils.java#L155
```
private static final char[] specialCharactersInTableNames = new char[] {
'/' };
```
In Hive 4, all non-alphanumeric characters in a US keyboard, including
backtick ('`'), are allowed special characters:
https://github.com/apache/hive/blob/master/standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/utils/MetaStoreUtils.java#L175-L181
```
private static final char[] SPECIAL_CHARACTERS_IN_TABLE_NAMES = new char[]
{
// standard
' ', '"', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.', '/', ':',
';', '<', '=', '>', '?', '[', ']',
'_', '|', '{', '}', '$', '^',
// non-standard
'!', '~', '#', '@', '`'
};
```
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