walterddr commented on code in PR #9245:
URL: https://github.com/apache/pinot/pull/9245#discussion_r949679994
##########
pinot-plugins/pinot-batch-ingestion/pinot-batch-ingestion-standalone/src/main/java/org/apache/pinot/plugin/ingestion/batch/standalone/SegmentGenerationJobRunner.java:
##########
@@ -172,7 +172,7 @@ public void init(SegmentGenerationJobSpec spec) {
public void run()
throws Exception {
// Get list of files to process.
- String[] files = _inputDirFS.listFiles(_inputDirURI, true);
+ String[] files = _inputDirFS.listFilesWithPattern(_inputDirURI,
_spec.getIncludeFileNamePattern());
Review Comment:
let's also refactor
https://github.com/apache/pinot/pull/9245/files#diff-7bec8ff885254fee67d4ad50c4f06a7894976700df3fd2ef42af6532fedfea26L181-L203
into this function.
the name `listFilesWithPattern` suggest it should already finish the glob
searching
##########
pinot-spi/src/main/java/org/apache/pinot/spi/filesystem/PinotFSFactory.java:
##########
@@ -37,6 +37,7 @@ private PinotFSFactory() {
}
public static final String LOCAL_PINOT_FS_SCHEME = "file";
+ public static final String RECURSIVE_BLOB_PREFIX = "glob:**";
Review Comment:
recursive hint from glob pattern should do recursive search whenever there's
a `**` pattern included, b/c `**` can occur in the middle such as
`subFolder/foo/**/bar`
##########
pinot-spi/src/main/java/org/apache/pinot/spi/filesystem/PinotFS.java:
##########
@@ -144,6 +143,22 @@ boolean exists(URI fileUri)
long length(URI fileUri)
throws IOException;
+ /**
+ * Lists all the files and directories at the location provided.
+ * Lists recursively if {@code inputFilePattern} starts with "glob:**".
+ * Throws IOException if this abstract pathname is not valid, or if an I/O
error occurs.
+ * @param fileUri location of file
+ * @return an array of strings that contains file paths
+ * @throws IOException on IO failure. See specific implementation
+ */
+ default String[] listFilesWithPattern(URI fileUri, String inputFilePattern)
Review Comment:
let's not add the default implementation in `PinotFS` since this is a very
generic interface.
I would suggest let's add this as a static method in
`SegmentGenerationJobSpec`
```
public static String[] listMatchedFiles(PinotFS pinotFs, URI fileUri,
String includePattern, String excludePattern) {
// ...
}
```
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