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https://issues.apache.org/jira/browse/PIG-106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benjamin Francisoud updated PIG-106:
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Attachment: PIG-106-v03.patch
Regenerate the patch.
Fixed svn conflict in Tuple.java and removed the extra else that Olga was
mentioning (tanks for pointing it).
> Optimize Pig by replacing String '+' and StringBuffer with StringBuilder
> ------------------------------------------------------------------------
>
> Key: PIG-106
> URL: https://issues.apache.org/jira/browse/PIG-106
> Project: Pig
> Issue Type: Improvement
> Components: impl
> Affects Versions: 0.1.0
> Reporter: Benjamin Francisoud
> Assignee: Benjamin Francisoud
> Attachments: PIG-106-v01.patch, PIG-106-v02.patch, PIG-106-v03.patch
>
>
> While investigating PIG-99, in TestBuiltin.java line 315:
> {code:java}
> for (int i = 0; i < LOOP_COUNT; i++) {
> for (int j = 0; j < LOOP_COUNT; j++) {
> sb.append(i + "\t" + i + "\t" + j % 2 + "\n");
> }
> }
> {code}
> doing "i + "\t" + i + "\t" + j % 2 + "\n"" creates temporary String(s)
> reducing the advantages of using a StringBuffer.
> Could be replace with:
> {code:java}
> for (int i = 0; i < LOOP_COUNT; i++) {
> for (int j = 0; j < LOOP_COUNT; j++) {
> sb.append(i);
> sb.append("\t");
> sb.append(i);
> sb.append("\t");
> sb.append(j % 2);
> sb.append("\n");
> }
> }
> {code}
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