github-code-scanning[bot] commented on code in PR #24045:
URL: https://github.com/apache/superset/pull/24045#discussion_r1192480611
##########
superset/sql_parse.py:
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@@ -64,7 +64,7 @@
sqlparse.keywords.SQL_REGEX.insert(
0,
(
- re.compile(r"'(''|\\\\|\\|[^'])*'", sqlparse.keywords.FLAGS).match,
+ re.compile(r"'(''|\\\\|\\|[^'])*'", re.IGNORECASE | re.UNICODE).match,
Review Comment:
## Inefficient regular expression
This part of the regular expression may cause exponential backtracking on
strings starting with ''' and containing many repetitions of '\\'.
[Show more
details](https://github.com/apache/superset/security/code-scanning/1201)
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