jackjlli commented on a change in pull request #3671: Make different PinotFS
concrete classes have the same behaviors
URL: https://github.com/apache/incubator-pinot/pull/3671#discussion_r246872261
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File path:
pinot-filesystem/src/main/java/com/linkedin/pinot/filesystem/LocalPinotFS.java
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@@ -97,7 +97,8 @@ public boolean move(URI srcUri, URI dstUri, boolean
overwrite) throws IOExceptio
public boolean copy(URI srcUri, URI dstUri) throws IOException {
File srcFile = new File(decodeURI(srcUri.getRawPath()));
File dstFile = new File(decodeURI(dstUri.getRawPath()));
- if (dstFile.exists()) {
+ // delete dst only if dst isn't under src.
+ if (!dstFile.getCanonicalPath().startsWith(srcFile.getCanonicalPath()) &&
dstFile.exists()) {
Review comment:
In your case, src is name1 and dst is dst/name1.
So the condition
`!dstFile.getCanonicalPath().startsWith(srcFile.getCanonicalPath())` is
satisfied and so is`dstFile.exists()`. Thus, the previous dst will be deleted.
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