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From rhille...@apache.org
Subject svn commit: r1311312 - in /db/derby/docs/trunk/src/ref: rrefproperpreallocator.dita rrefsqlj37836.dita rrefsqljcreatesequence.dita
Date Mon, 09 Apr 2012 16:25:52 GMT
Author: rhillegas
Date: Mon Apr  9 16:25:51 2012
New Revision: 1311312

URL: http://svn.apache.org/viewvc?rev=1311312&view=rev
Log:
DERBY-5687: Adjust reference manual so that it no longer mentions identity columns when discussing
sequence pre-allocation.

Modified:
    db/derby/docs/trunk/src/ref/rrefproperpreallocator.dita
    db/derby/docs/trunk/src/ref/rrefsqlj37836.dita
    db/derby/docs/trunk/src/ref/rrefsqljcreatesequence.dita

Modified: db/derby/docs/trunk/src/ref/rrefproperpreallocator.dita
URL: http://svn.apache.org/viewvc/db/derby/docs/trunk/src/ref/rrefproperpreallocator.dita?rev=1311312&r1=1311311&r2=1311312&view=diff
==============================================================================
--- db/derby/docs/trunk/src/ref/rrefproperpreallocator.dita (original)
+++ db/derby/docs/trunk/src/ref/rrefproperpreallocator.dita Mon Apr  9 16:25:51 2012
@@ -26,7 +26,7 @@ limitations under the License.
 </metadata>
 </prolog><refbody>
 <section><title>Function</title>
-<p>Specifies how many values to preallocate for sequences and identity columns.</p>
+<p>Specifies how many values to preallocate for sequences.</p>
 </section>
 <refsyn><title>Syntax</title>
 <codeblock><b>derby.language.sequence.preallocator=<i>number</i></b></codeblock>
@@ -37,20 +37,19 @@ or
 <p>
 If set to a positive number, that is the number of values which
 <ph conref="../conrefs.dita#prod/productshortname"></ph>
-preallocates for each sequence and identity column.
+preallocates for each sequence.
 </p>
 <p>
 If set to a class name, that class must implement
 <i>org.apache.derby.catalog.SequencePreallocator</i>. The class
-customizes the size of the preallocation range for each sequence and
-identity column. For more information, see the public API javadoc for
+customizes the size of the preallocation range for each sequence. For more information, see
the public API javadoc for
 <i>org.apache.derby.catalog.SequencePreallocator</i>.
 </p>
 </refsyn>
 <section><title>Default</title>
 <p>20</p>
 <p>By default, <ph conref="../conrefs.dita#prod/productshortname"></ph>
preallocates 20
-values for each sequence and identity column.</p>
+values for each sequence.</p>
 </section>
 <example><title>Example</title>
 <codeblock><b>derby.language.sequence.preallocator=50</b></codeblock>
@@ -65,10 +64,8 @@ href="crefproper51399.dita#crefproper513
 <section><title>Dynamic or static</title>
 <p>This property is semi-static; changing it while
 <ph conref="../conrefs.dita#prod/productshortname"></ph> is running
-will not affect sequences and identity columns which are already
-being used. However, the new value will be picked up by sequences and
-identity columns which weren't being used before the value was
+will not affect sequences which are already
+being used. However, the new value will be picked up by sequences which weren't being used
before the value was
 changed. In addition, DDL causes the old value to be forgotten. After
-performing DDL, the new value will be picked up by all sequences and
-identity columns.</p>
+performing DDL, the new value will be picked up by all sequences.</p>
 </section></refbody></reference>

Modified: db/derby/docs/trunk/src/ref/rrefsqlj37836.dita
URL: http://svn.apache.org/viewvc/db/derby/docs/trunk/src/ref/rrefsqlj37836.dita?rev=1311312&r1=1311311&r2=1311312&view=diff
==============================================================================
--- db/derby/docs/trunk/src/ref/rrefsqlj37836.dita (original)
+++ db/derby/docs/trunk/src/ref/rrefsqlj37836.dita Mon Apr  9 16:25:51 2012
@@ -157,17 +157,6 @@ level can see increment values generated
 all the way to the top-level SQL statement that initiated the recursive triggers.
 You can only have 16 levels of trigger recursion.</p> </section>
 
-<section>
-<title>Performance</title>
-<p>
-To boost performance and concurrency,
-<ph conref="../conrefs.dita#prod/productshortname"></ph>
-preallocates ranges of upcoming values for sequences and identity columns. The lengths of
these ranges
-can be configured by adjusting the value of the
-<xref href="rrefproperpreallocator.dita#rrefproperpreallocator">derby.language.sequence.preallocator</xref>
-property.
-</p>
-</section>
 
 <section><title>Example</title><codeblock>create table greetings
   (i int generated by default as identity (START WITH 2, INCREMENT BY 1),

Modified: db/derby/docs/trunk/src/ref/rrefsqljcreatesequence.dita
URL: http://svn.apache.org/viewvc/db/derby/docs/trunk/src/ref/rrefsqljcreatesequence.dita?rev=1311312&r1=1311311&r2=1311312&view=diff
==============================================================================
--- db/derby/docs/trunk/src/ref/rrefsqljcreatesequence.dita (original)
+++ db/derby/docs/trunk/src/ref/rrefsqljcreatesequence.dita Mon Apr  9 16:25:51 2012
@@ -92,7 +92,7 @@ expression</xref>.
 <p>
 To boost performance and concurrency,
 <ph conref="../conrefs.dita#prod/productshortname"></ph>
-preallocates ranges of upcoming values for sequences and identity columns. The lengths of
these ranges
+preallocates ranges of upcoming values for sequences. The lengths of these ranges
 can be configured by adjusting the value of the
 <xref href="rrefproperpreallocator.dita#rrefproperpreallocator">derby.language.sequence.preallocator</xref>
 property.



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