Weijun-H opened a new issue, #8783:
URL: https://github.com/apache/arrow-datafusion/issues/8783
### Is your feature request related to a problem or challenge?
Currently, the DataFusion CLI lacks autocompletion support, which can be a
hindrance to users trying to efficiently navigate and execute commands.
Autocompletion is a standard feature in modern CLIs that significantly improves
user productivity by suggesting and completing commands, options, and arguments
as users type.
### Describe the solution you'd like
extend current `Completer`
``` rust
impl Completer for CliHelper {
type Candidate = Pair;
fn complete(
&self,
line: &str,
pos: usize,
ctx: &Context<'_>,
) -> std::result::Result<(usize, Vec<Pair>), ReadlineError> {
if is_open_quote_for_location(line, pos) {
self.completer.complete(line, pos, ctx)
} else {
Ok((0, Vec::with_capacity(0)))
}
}
}
```
then search the most possible command based on input (maybe build up Trie
index for it?)
### Describe alternatives you've considered
_No response_
### Additional context
[#1251](vscode-file://vscode-app/Applications/Visual%20Studio%20Code.app/Contents/Resources/app/out/vs/code/electron-sandbox/workbench/workbench.html)
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