[Enhancement] doris to support function SESSION_USER() #39575
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Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
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can improve comment, link to the MySQL function docs. |
morrySnow
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doc update for[ #39575](apache/doris#39575)
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| * ScalarFunction 'SessionUser'. | ||
| */ | ||
| public class SessionUser extends ScalarFunction | ||
| implements LeafExpression, ExplicitlyCastableSignature, AlwaysNotNullable, Nondeterministic { |
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Nondeterministic trait be removed in PR #39944. u should override isDeterministic and let it return false
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doc update for[ #39575](apache/doris#39575)
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doc update for[ #39575](apache/doris#39575)
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## Proposed changes Issue Number: close #39574 Added support for new scalar function session_user() when run sqlmap tool on Doris master it gave error like session_user() function not found. mysql support this function. https://www.w3schools.com/sql/func_mysql_session_user.asp Its similar to Doris user() function. mysql> select SESSION_USER(); +--------------------+ | session_user() | +--------------------+ | 'root'@'127.0.0.1' | +--------------------+ 1 row in set (0.01 sec) mysql> select session_user(); +--------------------+ | session_user() | +--------------------+ | 'root'@'127.0.0.1' | +--------------------+ 1 row in set (0.00 sec) mysql>
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Proposed changes
Issue Number: close #39574
Added support for new scalar function session_user()
when run sqlmap tool on Doris master it gave error like session_user() function not found. mysql support this function.
https://www.w3schools.com/sql/func_mysql_session_user.asp
Its similar to Doris user() function.
mysql> select SESSION_USER();
+--------------------+
| session_user() |
+--------------------+
| 'root'@'127.0.0.1' |
+--------------------+
1 row in set (0.01 sec)
mysql> select session_user();
+--------------------+
| session_user() |
+--------------------+
| 'root'@'127.0.0.1' |
+--------------------+
1 row in set (0.00 sec)
mysql>