Support read and write lock in table level to reduce lock competition#3775

Merged

caiconghui merged 50 commits intoapache:masterfrom

caiconghui:table_lock

Jan 13, 2021

Commits on Jan 12, 2021

Support table level read and write lock
caiconghui [蔡聪辉]
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Use table lock to replace db lock in some functions
caiconghui [蔡聪辉]
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use table write lock to replace db write lock
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remove some unused temp code
caiconghui [蔡聪辉]
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use table lock to replace db lock
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Continue to use table lock to replace db lock

caiconghui
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finish to replace db lock by table lock
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fix unit test
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add null check for olap_table

caiconghui
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caiconghui [蔡聪辉]
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fix merge

caiconghui
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caiconghui [蔡聪辉]
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modify .gitignore content
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fix Alter Class
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Fix AlterJobV2 and MaterializedViewHandler
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Fix RollupJob
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fix RollupJobV2
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fix cancel
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fix SchemaChangeJobV2
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fix
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fix DeleteHandler
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fix test
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fix conflict after rebasing mater
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fix ReportHandler
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fix unit test failed for AlterTest
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fix
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Add MetaLockUtils and fix some table lock level
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Fix unittest for AlterTest failed
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Change db level lock to table level lock for query
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fix unittest failed
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fix conflict for table lock and db lock
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fix unittest failed
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fix unit test failed
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Fix SparkLoadJobTest Failed
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Fix save image lock
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Add unit test for MetaLockUtils
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use MetadataLockUtils to lock table when finish transaction
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remove useless code of dropTableWithLock for Database
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remove useless db read lock
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remove useless db read lock and change some db read lock to table locks
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fix
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fix

caiconghui
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fix

caiconghui
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Fix dead lock bug
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fix unit test failed for SelectStmt
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Fix by review
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Add table lock when update BackendReportVersion in SystemInfoService

caiconghui
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change db level lock to table lock level in http2

caiconghui
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caiconghui [蔡聪辉]
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Fix broker load failed bug and add unit test for db
caiconghui [蔡聪辉]
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fix
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Add some comment for the usage of MetaLockUtils
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apply fix patch
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