From 11957c3eae25be3a73e82fb1f7df7775ccb758c5 Mon Sep 17 00:00:00 2001
From: David Nagy <mr.nagy.david@gmail.com>
Date: Thu, 18 Jul 2024 14:09:34 +0200
Subject: [PATCH] chore: fix some sql scrubber thingies

---
 src/scrubbers.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/scrubbers.ts b/src/scrubbers.ts
index 51bd5d0..14aab9f 100644
--- a/src/scrubbers.ts
+++ b/src/scrubbers.ts
@@ -491,9 +491,9 @@ export const saltedHashSubstringScrubberSQL: SaltedHashSubstringScrubberSQLFn =
   _assert(params?.initializationVector, 'Initialization vector is missing')
   _assert(params?.regex, 'Substring or regex is missing')
 
-  const substringToReplace = `REGEXP_SUBSTR(${sqlValueToReplace}, ${params.regex})`
+  const substringToReplace = `COALESCE(REGEXP_SUBSTR(${sqlValueToReplace}, '${params.regex}'), '')`
   const hashedValue = `SHA2(${substringToReplace} || '${params.initializationVector}', 256)`
-  const replacedValue = `REGEXP_REPLACE(${sqlValueToReplace}, ${params.regex}, ${hashedValue})`
+  const replacedValue = `REGEXP_REPLACE(${sqlValueToReplace}, '${params.regex}', ${hashedValue})`
 
   return replacedValue
 }