From: | Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> |
---|---|
To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Comment update to pathnode.c |
Date: | 2015-09-11 10:22:56 |
Message-ID: | 55F2AB80.4040907@lab.ntt.co.jp |
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Lists: | pgsql-hackers |
Hi,
The comments for create_foreignscan_path says as follows, but that it's
now possible that the function is called by GetForeignJoinPaths, which
was added in 9.5.
1450 /*
1451 * create_foreignscan_path
1452 * Creates a path corresponding to a scan of a foreign table,
1453 * returning the pathnode.
1454 *
1455 * This function is never called from core Postgres; rather, it's
expected
1456 * to be called by the GetForeignPaths function of a foreign data
wrapper.
1457 * We make the FDW supply all fields of the path, since we do not
have any
1458 * way to calculate them in core.
1459 */
So, I've updated the comments. Please find attached a patch.
Best regards,
Etsuro Fujita
Attachment | Content-Type | Size |
---|---|---|
create-foreignscan-path-comments.patch | text/x-patch | 1.1 KB |
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