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Robert Haas 385f337c9f Allow foreign and custom joins to handle EvalPlanQual rechecks. ... Commit e7cb7ee145 provided basic infrastructure for allowing a foreign data wrapper or custom scan provider to replace a join of one or more tables with a scan. However, this infrastructure failed to take into account the need for possible EvalPlanQual rechecks, and ExecScanFetch would fail an assertion (or just overwrite memory) if such a check was attempted for a plan containing a pushed-down join. To fix, adjust the EPQ machinery to skip some processing steps when scanrelid == 0, making those the responsibility of scan's recheck method, which also has the responsibility in this case of correctly populating the relevant slot. To allow foreign scans to gain control in the right place to make use of this new facility, add a new, optional RecheckForeignScan method. Also, allow a foreign scan to have a child plan, which can be used to correctly populate the slot (or perhaps for something else, but this is the only use currently envisioned). KaiGai Kohei, reviewed by Robert Haas, Etsuro Fujita, and Kyotaro Horiguchi.		10 years ago
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data	Provide a FORCE NULL option to COPY in CSV mode.	12 years ago
expected	…
input	Allow foreign tables to participate in inheritance.	11 years ago
output	Allow foreign tables to participate in inheritance.	11 years ago
sql	…
.gitignore	…
Makefile	Add file version information to most installed Windows binaries.	11 years ago
file_fdw--1.0.sql	…
file_fdw.c	Allow foreign and custom joins to handle EvalPlanQual rechecks.	10 years ago
file_fdw.control	…