Author: aadamchik
Date: Wed Dec 5 17:08:39 2012
New Revision: 1417532
URL: http://svn.apache.org/viewvc?rev=1417532&view=rev
Log:
fixing doc typos
Modified:
cayenne/main/trunk/docs/docbook/cayenne-guide/src/docbkx/performance-tuning.xml
Modified:
cayenne/main/trunk/docs/docbook/cayenne-guide/src/docbkx/performance-tuning.xml
URL:
http://svn.apache.org/viewvc/cayenne/main/trunk/docs/docbook/cayenne-guide/src/docbkx/performance-tuning.xml?rev=1417532&r1=1417531&r2=1417532&view=diff
==============================================================================
---
cayenne/main/trunk/docs/docbook/cayenne-guide/src/docbkx/performance-tuning.xml
(original)
+++
cayenne/main/trunk/docs/docbook/cayenne-guide/src/docbkx/performance-tuning.xml
Wed Dec 5 17:08:39 2012
@@ -52,11 +52,11 @@ query.addPrefetch("paintings").setSemant
</section>
<section xml:id="disjoint-prefetch-semantics">
<title>Disjoint Prefetching Semantics</title>
- <para>This semantics (only applicable to SelectQuery)
results in Cayenne generatiing one
- SQL statement for the main objects, and a
separate statement for each prefetch path
+ <para>This semantics (only applicable to SelectQuery)
results in Cayenne generating one SQL
+ statement for the main objects, and a separate
statement for each prefetch path
(hence "disjoint" - related objects are not
fetched with the main query). Each
additional SQL statement uses a qualifier of
the main query plus a set of joins
- traversing the preftech path between the main
and related entity. </para>
+ traversing the prefetch path between the main
and related entity. </para>
<para>This strategy has an advantage of efficient JVM
memory use, and faster overall
result processing by Cayenne, but it requires
(1+N) SQL statements to be executed,
where N is the number of prefetched
relationships.</para>
@@ -86,8 +86,8 @@ query.addPrefetch("paintings").setSemant
</section>
<section xml:id="joint-prefetch-semantics">
<title>Joint Prefetching Semantics</title>
- <para>Joint senantics results in a single SQL statement
for root objects and any number
- of jointly prefetched paths. Cayenne processes
in memory a cartesian product of the
+ <para>Joint semantics results in a single SQL statement
for root objects and any number of
+ jointly prefetched paths. Cayenne processes in
memory a cartesian product of the
entities involved, converting it to an object
tree. It uses OUTER joins to connect
prefetched entities.</para>
<para>Joint is the most efficient prefetch type of the
three as far as generated SQL
