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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:
Bruce Momjian 2018-11-02 13:05:30 -04:00
parent 7fc0c4c9ec
commit 471ae731c1
1 changed files with 3 additions and 3 deletions
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6
doc/src/sgml/func.sgml
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@ -12849,7 +12849,7 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2);
subquery row (including the case where the subquery returns no
rows).
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>
@ -12875,7 +12875,7 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2);
(including the case where the subquery returns no rows).
The result is <quote>false</> if any false result is found.
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>
@ -12905,7 +12905,7 @@ WHERE EXISTS (SELECT 1 FROM tab2 WHERE col2 = tab1.col2);
The result is <quote>false</> if the comparison returns false for any
subquery row.
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>