Last updated on FEBRUARY 07, 2014
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.3 to 12.1.0.1 [Release 11.2 to 12.1]Information in this document applies to any platform.
Symptoms
SELECT statement with UNION and GROUP BY clause fails with ORA-600 [qerghFetch:inc]
Stack trace will be similar to following:
$cold_qerghFetch <- 6560 <- rwsfcd <- qeruaFetch <- qervwFetch <- qerjoFetch <- qercoFetch <- qersoProcessULS <- qersoFetch <- qervwFetch <- qercoFetch <- opifch2 <- kpoal8 <- opiodr <- ttcpip <- opitsk <- opiino <- opiodr <- opidrv <- sou2o <- opimai_real <- ssthrdmain <- main <- main_opd_entry
Cause
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