On 6/8/16 4:36 PM, Bruce Momjian wrote:
Just a follow-up, but even with a randomized correlation order, it seems
25% restrictivity generates a Bitmap Index Scan:

AFAIK we do the bitmap heap scan in heap order, thereby eliminating the effect of correlation?
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
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