Commit181ccbb

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Add comment about default partition in check_new_partition_bound

The intention of the test is not immediately obvious, so we need thismuch.

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Original file line number	Diff line number	Diff line change
`@@ -858,6 +858,12 @@ check_new_partition_bound(char *relname, Relation parent,`
`858`	`858`
`859`	`859`	`if (spec->is_default)`
`860`	`860`	`{`
	`861`	`+/*`
	`862`	`+ * The default partition bound never conflicts with any other`
	`863`	`+ * partition's; if that's what we're attaching, the only possible`
	`864`	`+ * problem is that one already exists, so check for that and we're`
	`865`	`+ * done.`
	`866`	`+ */`
`861`	`867`	`if (boundinfo==NULL\|\| !partition_bound_has_default(boundinfo))`
`862`	`868`	`return;`
`863`	`869`

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