KnightChess

[MINOR][DOCS] add tip to schema evolution

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Replenish: #6344 ### Change Logs ### Impact none ### Contributor's checklist - [ ] Read through [contributor's guide](https://hudi.apache.org/contribute/how-to-contribute) - [ ] Change Logs and Impact were stated clearly - [...

[SUPPORT] Expect job status failed in spark batch model

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**Describe the problem you faced** ```java @Override public void write(HoodieRecord record, Option avroRecord) { ... fileWriter.writeAvro(record.getRecordKey(), rewriteRecordWithMetadata((GenericRecord) avroRecord.get(), path.getName())); } else { fileWriter.writeAvroWithMetadata(record.getKey(), rewriteRecord((GenericRecord) avroRecord.get())); } ... } catch (Throwable...

[HUDI-7267]fix dataSkipping with null column stats

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from the picture, csi will use parquet chunk block meta calculate min/max value, and save it to mdt col stat. For complex cols, such as *info array* , parquet meta...

[HUDI-7529] fix multiple tasks get the lock at the same time when use…

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config: - occ open - use FileSystemBasedLock - mdt is open in write defualt there has three job, jobA, jobB, jobC, these three jobs are running at the same time....

[HUDI-6207] spark support bucket index query for table with bucket index

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### Change Logs spark support query filter use bucket field if a bucket table query with appropriate expression( = 、in、and、or) ### Impact impore table query performance when use spark ###...

[SUPPORT] [OCC] HoodieException: Error getting all file groups in pending clustering

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`large concurrency batch partition back trace` env: hudi 0.11.0 spark 3.2.0 action: spark sql insert overwrite Suppose we have a timeline, and have multi writer job with occ 00:01 001.replacecommit.inflight...

[WIP][HUDI-6472] fix spark sql does not ignore case

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### Change Logs github issue: #10558 first: SimpleAnalyzer will case sensitive, use sessionState analyzer replace it. second: after support `first` feature, will get exception. ```shell Unexpected exception thrown: java.lang.RuntimeException: After...

[HUDI-7926] dataskipping failure mode should be strict in query test

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### Change Logs dataskipping failure mode should be strict in test. if use fallback mode default, the query ut is meaningless. There may be other codes that have been introduced...

docs: add hudi core doc

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## Description #71 - add hudi-core doc in-code ## How are the changes test-covered - some doc code will be test - [ ] N/A - [ ] Automated tests...