Hi Joice,
You may try add this in fe.conf, and restart FE and try again:

infodb_support_ext_catalog=true




--

Best Regards
Mingyu Chen

Email:
morning...@apache.org




At 2023-10-05 16:52:15, "Joice Jacob" <joicejacob1...@gmail.com> wrote:

Dear Doris Community,

I am writing to seek assistance with an issue I've encountered when working 
with Doris involving catalog and database names.

In my doris setup, there is an internal catalog containing a database named 
"demo," and an external catalog named "hive" with a database named "cvm"

The following queries execute successfully without any issues:

SHOW FULL TABLES FROM demo;
SHOW FULL TABLES FROM `demo`;
However, when I run the following query:

SHOW FULL TABLES FROM hive.cvm;
It executes without errors. However, attempting to execute the same query using 
backticks (``) as shown below:

SHOW FULL TABLES FROM `hive.cvm`;
Results in the following error message:

ERROR 1049 (42000): errCode = 2, detailMessage = Unknown database 
'default_cluster:hive.cvm'

I am perplexed by this inconsistency in behavior, and I am unsure how to 
resolve this issue. The external catalog "hive" should allow querying tables 
within its database, including the "cvm" database.

I would greatly appreciate any insights, recommendations, or potential 
solutions from the Doris community.
 If anyone has encountered a similar issue or has expertise in managing 
catalogs and databases within Doris, your assistance would be invaluable.

Thank you for taking the time to read this message, and I look forward to your 
guidance on resolving this challenge.

Doris version:  2.0.1.1 


Best regards
Joice

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