src/backend/optimizer/path/costsize.c · d4ce5a4f4c3516e88fa34c53bcc7313db90a3c08 · Abuhujair Javed / Postgres FD Implementation

Revise cost_qual_eval() to compute both startup (one-time) and per-tuple · d4ce5a4f

Tom Lane authored Jan 12, 2003

costs for expression evaluation, not only per-tuple cost as before.
This extension is needed in order to deal realistically with hashed or
materialized sub-selects.

d4ce5a4f

costsize.c 52.2 KB

Replace costsize.c