Query_rewrite_integrity
- From: "Boivin, Patrice J" <BoivinP@xxxxxxxxxxxxxxxxx>
- To: "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 08 Jul 2004 11:57:07 -0300
Has anyone seen query_rewrite_integrity=trusted affect the behaviour of
PL/SQL code with complex joins of views and tables, multiple queries through
loops?
I logged a TAR with Oracle but I'm curious to see if anyone encountered
problems with query_rewrite_integrity.
There is a Tom Kyte entry about optimizer_index_cost_adj and
optimizer_index_caching being set wrong by default, but I don't want to
change those settings on a whim.
A Metalink forum thread refers to a bug ref number that suggests using
_complex_view_merging=false, but again I am loathe to try a hidden parameter
on a production system.
Patrice
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