Commitb9d832f

committed

Make FUNC_MAX_ARGS equal INDEX_MAX_KEYS, as it should.

Set default INDEX_MAX_KEYS to 16. Document minimum safe value is 9.

1 parentf1e1634 commitb9d832fCopy full SHA for b9d832f

File tree

-1

lines changed

-1

lines changed

Lines changed: 3 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -96,13 +96,15 @@`
`96`	`96`	`* Maximum number of columns in an index and maximum number of arguments`
`97`	`97`	`* to a function. They must be the same value.`
`98`	`98`	`*`
	`99`	`+ * The minimum value is 9 (btree index creation has a 9-argument function).`
	`100`	`+ *`
`99`	`101`	`* There is no maximum value, though if you want to pass more than 32`
`100`	`102`	`* arguments to a function, you will have to modify`
`101`	`103`	`* pgsql/src/backend/utils/fmgr/fmgr.c and add additional entries`
`102`	`104`	`* to the 'case' statement for the additional arguments.`
`103`	`105`	`*/`
`104`	`106`	`#defineINDEX_MAX_KEYS16`
`105`		`-#defineFUNC_MAX_ARGS(INDEX_MAX_KEYS+1)`
	`107`	`+#defineFUNC_MAX_ARGSINDEX_MAX_KEYS`
`106`	`108`
`107`	`109`	`/*`
`108`	`110`	`* Enables debugging print statements in the date/time support routines.`

Comments

(0)