postgres.git / summary / log / commit / refs

commit    61abff11f29e98abf8badfeca86cf05650911998
Author:   Bruce Momjian <bruce@momjian.us>
Date:     Fri Nov 02 12:54:34 2018 +0000
First released in: 12.0, 9.3.25, 9.4.20, 9.5.15, 9.6.11, 10.6, 11.1

    doc:  use simpler language for NULL return from ANY/ALL
    
    Previously the combination of "does not return" and "any row" caused
    ambiguity.
    
    Reported-by: KES <kes-kes@yandex.ru>
    
    Discussion: https://postgr.es/m/153701242703.22334.1476830122267077397@wrigleys.postgresql.org
    
    Reviewed-by: David G. Johnston
    
    Backpatch-through: 9.3


doc/src/sgml/func.sgml | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index bc639a731c7..b596398df5f 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -15192,7 +15192,7 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2); The result is <quote>false</quote> if the comparison returns false for every subquery row (including the case where the subquery returns no rows). - The result is NULL if the comparison does not return true for any row, + The result is NULL if no comparison with a subquery row returns true, and it returns NULL for at least one row. </para> @@ -15218,7 +15218,7 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2); The result of <token>ALL</token> is <quote>true</quote> if all rows yield true (including the case where the subquery returns no rows). The result is <quote>false</quote> if any false result is found. - The result is NULL if the comparison does not return false for any row, + The result is NULL if no comparison with a subquery row returns false, and it returns NULL for at least one row. </para> @@ -15248,8 +15248,8 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2); case where the subquery returns no rows). The result is <quote>false</quote> if the comparison returns false for any subquery row. - The result is NULL if the comparison does not return false for any - subquery row, and it returns NULL for at least one row. + The result is NULL if no comparison with a subquery row returns false, + and it returns NULL for at least one row. </para> <para> [parent: 0446551fc114]