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PT-1900 pt-query-digest not hiding parameter properly sometimes when parameter=binary (#510)

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* PT-1900 WIP

* Fixed quoted strings regexes

* PT-1900 Fixed query rewriter to properly handle quoted text

* Fixed merge conflicts with 3.x branch
This commit is contained in:
Carlos Salguero
2021-09-27 08:23:23 -03:00
committed by GitHub
parent d91ba9cadd
commit 9d6508da5f
10 changed files with 90 additions and 31 deletions
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10
bin/pt-table-usage
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@@ -2946,9 +2946,13 @@ sub fingerprint {
$query =~ s/\Ause \S+\Z/use ?/i # Abstract the DB in USE
&& return $query;
$query =~ s/\\["']//g; # quoted strings
$query =~ s/".*?"/?/sg; # quoted strings
$query =~ s/'.*?'/?/sg; # quoted strings
$query =~ s/([^\\])(\\')/$1/sg;
$query =~ s/([^\\])(\\")/$1/sg;
$query =~ s/\\\\//sg;
$query =~ s/\\'//sg;
$query =~ s/\\"//sg;
$query =~ s/([^\\])(".*?[^\\]?")/$1?/sg;
$query =~ s/([^\\])('.*?[^\\]?')/$1?/sg;
$query =~ s/\bfalse\b|\btrue\b/?/isg; # boolean values