muyihao commented on code in PR #11914:
URL: https://github.com/apache/hudi/pull/11914#discussion_r1760486231
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hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/hive/HoodieCombineHiveInputFormat.java:
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@@ -375,6 +389,45 @@ public InputSplit[] getSplits(JobConf job, int numSplits)
throws IOException {
// clear work from ThreadLocal after splits generated in case of thread is
reused in pool.
Utilities.clearWorkMapForConf(job);
+ // build internal schema for the query
+ if (job.getBoolean(INTERNAL_SCHEMA_CACHE_ENABLE, true)) {
+ if (result.size() > 0) {
+ Map<String, String> schemaMap = new HashMap<>();
+ ArrayList<String> uniqTablePaths = new ArrayList<>();
+ Arrays.stream(paths).forEach(path -> {
+ HoodieStorage storage = null;
+ try {
+ storage = new HoodieHadoopStorage(path.getFileSystem(job));
+ Option<StoragePath> tablePath =
TablePathUtils.getTablePath(storage, HadoopFSUtils.convertToStoragePath(path));
Review Comment:
> In which case there are multiple table paths?
When we perform a query on two different Hudi tables, such as union, join,
or subquery, there will be multiple table paths.
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