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Update more comments for 96198d94cb.

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Etsuro Fujita, reviewed (though not completely endorsed) by Ashutosh
Bapat, and slightly expanded by me.
This commit is contained in:
Robert Haas
2016-03-14 14:27:11 -04:00
parent 74a379b984
commit 6be84eeb8d
3 changed files with 7 additions and 6 deletions
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6
contrib/postgres_fdw/postgres_fdw.c
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@ -3349,10 +3349,8 @@ postgresImportForeignSchema(ImportForeignSchemaStmt *stmt, Oid serverOid)
*
* 1) Join type is INNER or OUTER (one of LEFT/RIGHT/FULL)
* 2) Both outer and inner portions are safe to push-down
* 3) All foreign tables in the join belong to the same foreign server and use
* the same user mapping.
* 4) All join conditions are safe to push down
* 5) No relation has local filter (this can be relaxed for INNER JOIN, if we
* 3) All join conditions are safe to push down
* 4) No relation has local filter (this can be relaxed for INNER JOIN, if we
* can move unpushable clauses upwards in the join tree).
*/
static bool