mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-07-16 21:01:10 +02:00
docs: adjust simpler language for NULL return from ANY/ALL
Adjustment to commit 8610c973dd
.
Reported-by: Tom Lane
Discussion: https://postgr.es/m/17406.1541168421@sss.pgh.pa.us
Backpatch-through: 9.3
This commit is contained in:
parent
23524418e5
commit
ca49b5ca5a
@ -15193,7 +15193,7 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2);
|
|||||||
subquery row (including the case where the subquery returns no
|
subquery row (including the case where the subquery returns no
|
||||||
rows).
|
rows).
|
||||||
The result is NULL if no comparison with a subquery row returns true,
|
The result is NULL if no comparison with a subquery row returns true,
|
||||||
and it returns NULL for at least one row.
|
and at least one comparison returns NULL.
|
||||||
</para>
|
</para>
|
||||||
|
|
||||||
<para>
|
<para>
|
||||||
@ -15219,7 +15219,7 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2);
|
|||||||
(including the case where the subquery returns no rows).
|
(including the case where the subquery returns no rows).
|
||||||
The result is <quote>false</quote> if any false result is found.
|
The result is <quote>false</quote> if any false result is found.
|
||||||
The result is NULL if no comparison with a subquery row returns false,
|
The result is NULL if no comparison with a subquery row returns false,
|
||||||
and it returns NULL for at least one row.
|
and at least one comparison returns NULL.
|
||||||
</para>
|
</para>
|
||||||
|
|
||||||
<para>
|
<para>
|
||||||
@ -15249,7 +15249,7 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2);
|
|||||||
The result is <quote>false</quote> if the comparison returns false for any
|
The result is <quote>false</quote> if the comparison returns false for any
|
||||||
subquery row.
|
subquery row.
|
||||||
The result is NULL if no comparison with a subquery row returns false,
|
The result is NULL if no comparison with a subquery row returns false,
|
||||||
and it returns NULL for at least one row.
|
and at least one comparison returns NULL.
|
||||||
</para>
|
</para>
|
||||||
|
|
||||||
<para>
|
<para>
|
||||||
|
Loading…
Reference in New Issue
Block a user