tobyhede opened a new issue #1429:
URL: https://github.com/apache/arrow-datafusion/issues/1429
**Describe the bug**
The regexp_match function fails to compile when supplied a `g` flag.
**To Reproduce**
At the moment many functions including regex match are not working correctly
when accessed directly via the dataframe interface (I am working on a fix for
this).
To reproduce this bug, setup a test in functions.rs
```
test_function!(
RegexpMatch,
&[
lit(ScalarValue::Utf8(Some("abc".to_string()))),
lit(ScalarValue::Utf8(Some("a..".to_string()))),
lit(ScalarValue::Utf8(Some("g".to_string()))),
],
Ok(Some("abc")),
&str,
Utf8,
StringArray
);
```
This will fail with a compile error from the regex subsystem.
**Expected behavior**
The regex_match function should accept "g" as the standard regex global
expression flag.
**Additional context**
the regex_match function, that does behave as expected includes some lines
to format flags into a rust pattern:
https://github.com/apache/arrow-datafusion/blob/50a98805cdd6d5383f0c124d449ed549ca13428a/datafusion/src/physical_plan/regex_expressions.rs#L139
This mapping is not present in the regex_match function.
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