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url_extract_fragment: Velox produces value "" instead of NULL #12324

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peterenescu opened this issue Feb 13, 2025 · 0 comments
Open

url_extract_fragment: Velox produces value "" instead of NULL #12324

peterenescu opened this issue Feb 13, 2025 · 0 comments
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bug Something isn't working fuzzer-found triage Newly created issue that needs attention.

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peterenescu commented Feb 13, 2025 •
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Bug description

Value mismatch for function url_extract_fragment. Presto produces empty string whilst Presto produces NULL

Reproduction

(Velox followed by Presto)

presto:di> SELECT URL_EXTRACT_FRAGMENT(c0) FROM (VALUES ('sWPEqePc:')) t(c0);
 _col0                
-------
       
(1 row)
presto:di> SELECT URL_EXTRACT_FRAGMENT('sWPEqePc:');
 _col0                
-------
 NULL  
(1 row)
@peterenescu peterenescu added bug Something isn't working fuzzer-found triage Newly created issue that needs attention. labels Feb 13, 2025
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