doc: Fix typo

Author: Julien Rouhaud <julien.rouhaud@dalibo.com>
This commit is contained in:
Peter Eisentraut 2017-06-17 19:03:12 -04:00
parent 806dccee23
commit f6da23f526

View File

@ -501,8 +501,8 @@ EXPLAIN (ANALYZE, TIMING OFF) SELECT * FROM t WHERE a = 1;
of this clause to be 1%. By comparing this estimate and the actual
number of rows, we see that the estimate is very accurate
(in fact exact, as the table is very small). Changing the
<literal>WHERE</> to use the <structfield>b</> column, an identical
plan is generated. But observe what happens if we apply the same
<literal>WHERE</> condition to use the <structfield>b</> column, an
identical plan is generated. But observe what happens if we apply the same
condition on both columns, combining them with <literal>AND</>:
<programlisting>