Commit4eb8b9c

Etsuro Fujita

committed

Update comments on CustomPath struct.

Commite7cb7ee allowed custom scan providers to create CustomPathpaths for join relations as well, but missed updating the comments.Back-patch to all supported branches.Discussion:https://postgr.es/m/CAPmGK15ODkN%2B%3DhkBCufj1HBW0x5OTb65Xuy7ryXchMdiCMpx_g%40mail.gmail.com

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Lines changed: 8 additions & 5 deletions

Original file line number	Diff line number	Diff line change
`@@ -1353,15 +1353,18 @@ typedef struct ForeignPath`
`1353`	`1353`	`}ForeignPath;`
`1354`	`1354`
`1355`	`1355`	`/*`
`1356`		`- * CustomPath represents a table scan done by some out-of-core extension.`
	`1356`	`+ * CustomPath represents a table scan or a table join done by some out-of-core`
	`1357`	`+ * extension.`
`1357`	`1358`	`*`
`1358`	`1359`	`* We provide a set of hooks here - which the provider must take care to set`
`1359`	`1360`	`* up correctly - to allow extensions to supply their own methods of scanning`
`1360`		`- * a relation. For example, a provider might provide GPU acceleration, a`
`1361`		`- * cache-based scan, or some other kind of logic we haven't dreamed up yet.`
	`1361`	`+ * a relation or joing relations. For example, a provider might provide GPU`
	`1362`	`+ * acceleration, a cache-based scan, or some other kind of logic we haven't`
	`1363`	`+ * dreamed up yet.`
`1362`	`1364`	`*`
`1363`		`- * CustomPaths can be injected into the planning process for a relation by`
`1364`		`- * set_rel_pathlist_hook functions.`
	`1365`	`+ * CustomPaths can be injected into the planning process for a base or join`
	`1366`	`+ * relation by set_rel_pathlist_hook or set_join_pathlist_hook functions,`
	`1367`	`+ * respectively.`
`1365`	`1368`	`*`
`1366`	`1369`	`* Core code must avoid assuming that the CustomPath is only as large as`
`1367`	`1370`	`* the structure declared here; providers are allowed to make it the first`

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