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Patch from Jan from bug #54282 - Improve the performance of ColumnHelper addCleanColIntoCols, speeds up some .xlsx file loading 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1420501 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2012-12-12 00:48:13 +00:00
parent a359040acc
commit 506578f1af
2 changed files with 3 additions and 1 deletions
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1
src/documentation/content/xdocs/status.xml
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@ -34,6 +34,7 @@
<changes>
<release version="4.0-beta1" date="2013-??-??">
<action dev="poi-developers" type="fix">54282 - Improve the performance of ColumnHelper addCleanColIntoCols, speeds up some .xlsx file loading</action>
<action dev="poi-developers" type="fix">53650 - Prevent unreadable content and disalow to overwrite rows from input template in SXSSF</action>
<action dev="poi-developers" type="fix">54228,53672 - Fixed XSSF to read cells with missing R attribute</action>
<action dev="poi-developers" type="fix">54206 - Ensure that shared formuals are updated when shifting rows in a spreadsheet</action>

3
src/ooxml/java/org/apache/poi/xssf/usermodel/helpers/ColumnHelper.java
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@ -112,7 +112,8 @@ public class ColumnHelper {
public CTCols addCleanColIntoCols(CTCols cols, CTCol col) {
boolean colOverlaps = false;
for (int i = 0; i < cols.sizeOfColArray(); i++) {
int sizeOfColArray = cols.sizeOfColArray();
for (int i = 0; i < sizeOfColArray; i++) {
CTCol ithCol = cols.getColArray(i);
long[] range1 = { ithCol.getMin(), ithCol.getMax() };
long[] range2 = { col.getMin(), col.getMax() };