stalary edited a comment on issue #6103:
URL:
https://github.com/apache/incubator-doris/issues/6103#issuecomment-872241437
## Design Doc
Rules are stored using sqlblockList, stored in metadata, and managed in
catalog，Rules are divided by user, with support for configuring the defalut
user, which represents the default rule
Enable way
- use enable_sql_blocklist，@ConfField(mutable = true, masterOnly = false)
- admin set frontend config ("enable_sql_blocklist" = "true")
Sqlblocklist info
- name
- user
- sql
- enable
Supoort grammar
- SHOW BLOCKLIST [WHERE name|sql|user|enable = "xxx"]
- CREATE BLOCKLIST test_rule PROPERTIES ("user"="default", "sql"="select .*
from .* join .*", "enable": "true")
- ALTER BLOCKLIST test_rule PROPERTIES ("user"="test_user", "enable":
"false")
- DROP BLOCKLIST (test_rule|test_rule1,test_rule2)
Interception point
- StmtExecutor.execute -> QueryStmt -> regex match -> deny
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