Implement BetaRowsetWriter #1590
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imay
requested changes
Aug 7, 2019
imay
reviewed
Aug 11, 2019
…loc exception in AggregateFuncTest
kangpinghuang
requested changes
Aug 12, 2019
| @@ -56,19 +56,13 @@ class AlphaRowsetWriter : public RowsetWriter { | |||
| // get a rowset | |||
| RowsetSharedPtr build() override; | |||
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| MemPool* mem_pool() override; | |||
| Version version() override { return _rowset_writer_context.version; } | |||
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add const description?
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ok, will fix later
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| RowsetSharedPtr build() override; | ||
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| Version version() override { return _context.version; } |
| _rowset_meta)); | ||
| auto status = rowset->init(); | ||
| if (status != OLAP_SUCCESS) { | ||
| LOG(WARNING) << "rowset init failed when build new rowset"; |
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add status msg to log
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Because OLAPStatus is just an enum and doesn't have errmsg field, the real reason is usually not logged by caller, but by the function who encounters error in the first place
| OLAPStatus BetaRowsetWriter::_create_segment_writer() { | ||
| auto path = BetaRowset::segment_file_path(_context.rowset_path_prefix, _context.rowset_id, _num_segment); | ||
| segment_v2::SegmentWriterOptions writer_options; | ||
| _segment_writer.reset(new segment_v2::SegmentWriter(path, _num_segment, _context.tablet_schema, writer_options)); |
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I think SegmentWriter can add another constructor without SegmentWriterOptions as a argument, and use the default SegmentWriterOptions
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yeah, it can be optimized in the future
SWJTU-ZhangLei
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to SWJTU-ZhangLei/incubator-doris
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Jul 25, 2023
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BetaRowsetWriter is used to write rowset in V2 segment format.
This PR contains several interface changes
link_files_tobecause hard links are also useful in copy task, linked schema change, etccopy_files_toto be consistent with other namesFuture works
write_mbytes_per_secbased on writer type (load/base compaction/cumulative compaction)