Correct an error in READEME.md #278
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imay
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* [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version
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* [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version fix rebase error
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* [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version fix rebase error
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Jul 3, 2022
* [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version fix rebase error
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* [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version fix rebase error
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Jul 6, 2022
* [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version fix rebase error
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* [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version fix rebase error flush schema into rowset_meta in old table [refactor](schema change) refact fe light schema change. (#5) delete the change of schemahash and support get max version schema
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* [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version fix rebase error flush schema into rowset_meta in old table [refactor](schema change) refact fe light schema change. (#5) delete the change of schemahash and support get max version schema
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Jul 9, 2022
* [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version fix rebase error flush schema into rowset_meta in old table [refactor](schema change) refact fe light schema change. (#5) delete the change of schemahash and support get max version schema
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* [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version fix rebase error flush schema into rowset_meta in old table [refactor](schema change) refact fe light schema change. (#5) delete the change of schemahash and support get max version schema
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Jul 12, 2022
* [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version fix rebase error flush schema into rowset_meta in old table [refactor](schema change) refact fe light schema change. (#5) delete the change of schemahash and support get max version schema
dataroaring
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Jul 12, 2022
* [Schema Change] support fast add/drop column (#49) * [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (#124) fix columns from fe don't has bitmap_index flag (#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (#2) [bugfix](schema change) fix multi clauses calculate column unique id (#3) modify PushTask process (#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (#278) [refact](fe) remove redundant code for light schema change. (#4) [refact](fe) remove redundant code for light schema change. (#4) format fe core format be core fix be ut modify fe meta version fix rebase error flush schema into rowset_meta in old table [refactor](schema change) refact fe light schema change. (#5) delete the change of schemahash and support get max version schema * modify for review * fix be ut * fix schema change test
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Aug 1, 2022
* [Schema Change] support fast add/drop column (apache#49) * [feature](schema-change) support fast schema change. coauthor: yixiutt * [schema change] Using columns desc from fe to read data. coauthor: Lchangliang * [feature](schema change) schema change optimize for add/drop columns. 1.add uniqueId field for class column. 2.schema change for add/drop columns directly update schema meta Co-authored-by: yixiutt <yixiu@selectdb.com> Co-authored-by: SWJTU-ZhangLei <1091517373@qq.com> [Feature](schema change) fix write and add regression test (apache#69) Co-authored-by: yixiutt <yixiu@selectdb.com> [schema change] be ssupport that delete use newest schema add delete regression test fix regression case (apache#107) tmp [feature](schema change) light schema change exclude rollup and agg/uniq/dup key type. [feature](schema change) fe olapTable maxUniqueId write in disk. [feature](schema change) add rpc iface for sc add column. [feature](schema change) add columnsDesc to TPushReq for ligtht sc. resolve the deadlock when schema change (apache#124) fix columns from fe don't has bitmap_index flag (apache#134) add update/delete case construct MATERIALIZED schema from origin schema when insert fix not vectorized compaction coredump use segment cache choose newest schema by schema version when compaction (apache#182) [bugfix](schema change) fix ligth schema change problem. [feature](schema change) light schema change add alter job. (apache#1) fix be ut [bug] (schema change) unique drop key column should not light schema change [feature](schema change) add schema change regression-test. fix regression test [bugfix](schema change) fix multi alter clauses for light schema change. (apache#2) [bugfix](schema change) fix multi clauses calculate column unique id (apache#3) modify PushTask process (apache#217) [Bugfix](schema change) fix jobId replay cause bdbje exception. [bug](schema change) fix max col unique id repeatitive. (apache#232) [optimize](schema change) modify pendingMaxColUniqueId generate rule. fix compaction error * fix be ut * fix snapshot load core fix unique_id error (apache#278) [refact](fe) remove redundant code for light schema change. (apache#4) [refact](fe) remove redundant code for light schema change. (apache#4) format fe core format be core fix be ut modify fe meta version fix rebase error flush schema into rowset_meta in old table [refactor](schema change) refact fe light schema change. (apache#5) delete the change of schemahash and support get max version schema * modify for review * fix be ut * fix schema change test
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