Commit08c1d4e

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Reword exclusion constriants to mention that the operator can return

false or null, per Tom.

1 parentf1926c9 commit08c1d4eCopy full SHA for 08c1d4e

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Lines changed: 3 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-<!-- $PostgreSQL: pgsql/doc/src/sgml/ddl.sgml,v 1.92 2010/04/03 07:22:53 petere Exp $ -->`
	`1`	`+<!-- $PostgreSQL: pgsql/doc/src/sgml/ddl.sgml,v 1.93 2010/04/06 02:18:04 momjian Exp $ -->`
`2`	`2`
`3`	`3`	`<chapter id="ddl">`
`4`	`4`	`<title>Data Definition</title>`
`@@ -861,7 +861,8 @@ CREATE TABLE order_items (`
`861`	`861`	`<para>`
`862`	`862`	`Exclusion constraints ensure that if any two rows are compared on`
`863`	`863`	`the specified columns or expressions using the specified operators,`
`864`		`- at least one of these operator comparisons will be false. The syntax is:`
	`864`	`+ at least one of these operator comparisons will return false or null.`
	`865`	`+ The syntax is:`
`865`	`866`	`<programlisting>`
`866`	`867`	`CREATE TABLE circles (`
`867`	`868`	`c circle,`

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