Actual file extensions vs. "Detected extensions" in "pdfbox_1_8_8"

Actual file extension->Detected file extension COUNT
pdf->txt
17
pdf->html
1




select concat(FILE_EXTENSION, '->', DETECTED_FILE_EXTENSION_A) as"Actual file extension->Detected file extension", count(1) as COUNT from comparisons where FILE_EXTENSION is not null and JSON_EX_A is null and SORT_STACK_TRACE_A is null and FILE_EXTENSION <> DETECTED_FILE_EXTENSION_A group by "Actual file extension->Detected file extension" order by COUNT desc