Enhance the help message for invalid command in datafusion-cli #18603
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Before this commit, we just print that the input command is invalid, in this commit, we add the help command (`\?`) so that user can easily know the alll commands we supported.
Jefffrey
approved these changes
Nov 11, 2025
Contributor
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I tried it out and it works great -- thanks @klion26 > \dd
'\dd' is not a valid command, you can use '\?' to see all commands
> \?
Command,Description
\d,list tables
\d name,describe table
\q,quit datafusion-cli
\?,help
\i filename,reads input from the specified filename
\h,function list
\h function,search function
\quiet (true|false)?,print or set quiet mode
\pset [NAME [VALUE]],"set table output option
(format)"
\object_store_profiling (disabled|summary|trace),print or set object store profile mode
10 row(s) fetched.
Elapsed 0.000 seconds.
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alamb
approved these changes
Nov 11, 2025
Contributor
|
Thanks @Jefffrey for the review |
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Which issue does this PR close?
What changes are included in this PR?
Enhance the help message for invalid command, add the
helpcommand in the help message.Are these changes tested?
Manual test
Are there any user-facing changes?
No