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Doc: Fix example related to partition pruning 

Append node has been removed in v12 when there would be only one subnode
under it.

Author: Amit Langote
Discussion: https://postgr.es/m/CA+HiwqHhS62w8zUFXF4NBjvMboCXYnD-jWoWp-tfo2aHvP3Gxg@mail.gmail.com
Backpatch-through: 12
This commit is contained in:
Michael Paquier 2019-09-25 13:44:43 +09:00
parent 707f38e38e
commit 37ad126614
1 changed files with 2 additions and 3 deletions
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doc/src/sgml/ddl.sgml
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@ -4525,9 +4525,8 @@ EXPLAIN SELECT count(*) FROM measurement WHERE logdate >= DATE '2008-01-01';
QUERY PLAN
-----------------------------------------------------------------------------------
Aggregate (cost=37.75..37.76 rows=1 width=8)
-> Append (cost=0.00..36.21 rows=617 width=0)
-> Seq Scan on measurement_y2008m01 (cost=0.00..33.12 rows=617 width=0)
Filter: (logdate >= '2008-01-01'::date)
-> Seq Scan on measurement_y2008m01 (cost=0.00..33.12 rows=617 width=0)
Filter: (logdate >= '2008-01-01'::date)
</programlisting>
</para>