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Message Posted: Thu, 18 Jul 2002 @ 13:30:42 GMT
| Subj: || || Re: The Optimizer and Multi Inlists |
| From: || || Mark Landry |
| ||The point...has anybody else experienced similiar problems with queries which fully quailify a table's PI; however, due to the
existence of multiple in-lists, the Optimizer opts for a full-table scan instead of a PI retrieveal?|| |
In a word, yes. I've noticed it most recently when providing some columns of a primary index as literals and the rest as values
from a joined table. The optimizer ignores the index.