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Wording cleanup for error messages. Also change can't -> cannot.

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Standard English uses "may", "can", and "might" in different ways:

        may - permission, "You may borrow my rake."

        can - ability, "I can lift that log."

        might - possibility, "It might rain today."

Unfortunately, in conversational English, their use is often mixed, as
in, "You may use this variable to do X", when in fact, "can" is a better
choice.  Similarly, "It may crash" is better stated, "It might crash".
This commit is contained in:
Bruce Momjian
2007-02-01 19:10:30 +00:00
parent baaec74c5a
commit 8b4ff8b6a1
103 changed files with 274 additions and 274 deletions
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4
doc/src/sgml/perform.sgml
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@@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/perform.sgml,v 1.62 2007/02/01 00:28:17 momjian Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/perform.sgml,v 1.63 2007/02/01 19:10:24 momjian Exp $ -->
<chapter id="performance-tips">
<title>Performance Tips</title>
@@ -437,7 +437,7 @@ EXPLAIN ANALYZE SELECT * FROM tenk1 t1, tenk2 t2 WHERE t1.unique1 &lt; 100 AND t
<para>
It is worth noting that <command>EXPLAIN</> results should not be extrapolated
to situations other than the one you are actually testing; for example,
results on a toy-sized table can't be assumed to apply to large tables.
results on a toy-sized table cannot be assumed to apply to large tables.
The planner's cost estimates are not linear and so it might choose
a different plan for a larger or smaller table. An extreme example
is that on a table that only occupies one disk page, you'll nearly