Make cli handle multiple whitespaces #1388
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houqp
reviewed
Dec 2, 2021
| Ok(line) if line.starts_with('\\') => { | ||
| rl.add_history_entry(line.trim_end()); | ||
| if let Ok(cmd) = &line[1..].parse::<Command>() { | ||
| let command = line.split_whitespace().collect::<Vec<_>>().join(" "); |
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have you tried the trim method? https://doc.rust-lang.org/stable/std/string/struct.String.html#method.trim
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The problem I'd like to fix here is not only leading and trailing whitespaces.
Currently, the behavior is like
DataFusion CLI v5.1.0
❯ \quiet true
'\quiet true' is not a valid command
❯ \pset format csv
'\pset format csv' is not a valid command
❯ \pset format csv
Execution error: csv is not a valid format type [possible values: csv, tsv, table, json, ndjson]
Without normalizing whitespaces before parsing commands, every command need to do trim like here.
https://github.com/apache/arrow-datafusion/blob/42f8ab1e44510cea73f9eb2300d28f2fa92ac55a/datafusion-cli/src/functions.rs#L159
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eventually, we will need to write a proper lexer and parser for pgcli commands :P |
houqp
approved these changes
Dec 2, 2021
alamb
approved these changes
Dec 2, 2021
Contributor
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Thanks @capkurmagati -- I think this is a small enough fix we can iterate on it if @jimexist has some suggestions as well |
unkloud
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Mar 23, 2025
## Which issue does this PR close? Closes apache#1388 ## Rationale for this change Following up on apache#1369 and apache#1386 ## What changes are included in this PR? Updated the doc ## How are these changes tested?
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Which issue does this PR close?
The cli cannot handle whitespace like
The PR fixes this issue by removing the consecutive whitespaces.
Closes #.
Rationale for this change
What changes are included in this PR?
Are there any user-facing changes?