ORA-7445 [qeshGBYOpenScan()+4] [SIGSEGV] from Select
Last updated on NOVEMBER 28, 2016
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 to 184.108.40.206 [Release 11.2]
Information in this document applies to any platform.
In 220.127.116.11 ORA-7445 [qeshGBYOpenScan()+4] [SIGSEGV] occurs from Select.
In 18.104.22.168 we observe ORA-07445 [kghalf()+624] with stack trace
kghalf qeshGBYOpenScan2 qeshGBYOpenScan qerghFetch rwsfcd qeruaFetch subex1 subsr3
The failing query is a complex Select with subselects.
It reproduces with values for bind variables and /*+ BEGIN_OUTLINE_DATA hint, extracted from trace file.
The problem seems to depend on usage of queries with EXISTS + OR EXISTS subqueries and DISTINCT specified in subquery.
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