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Support select DATABASE(), USER() limit 1 in MySQL module without any backend #4396

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renecannao opened this issue Dec 7, 2023 · 0 comments · Fixed by #4427
Closed

Support select DATABASE(), USER() limit 1 in MySQL module without any backend #4396

renecannao opened this issue Dec 7, 2023 · 0 comments · Fixed by #4427

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@renecannao
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It seems that MySQL 8 client issues select DATABASE(), USER() limit 1 when running \s , forcing to have a backend connection.

We are already handling select DATABASE(), USER() limit 1 in Admin and Clickhouse: we need to handle it also on MySQL module without the need of any backend.
@renecannao renecannao mentioned this issue Jan 18, 2024
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renecannao added a commit that referenced this issue Jan 18, 2024
@renecannao
Handle STATUS command without backends
e958946 
Handles special queries executed by the STATUS command in mysql cli .
Specifically:
- "select DATABASE(), USER() limit 1"
- "select @@character_set_client, @@character_set_connection, @@character_set_server, @@character_set_database limit 1"

Closes #4396
Closes #4426
@renecannao renecannao mentioned this issue Jan 18, 2024
Merged
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Handle STATUS command without backends sysown/proxysql
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@renecannao