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08b4bcce4dfccbcfdcaa7412c22936af142c64ce
oceanbase/src/sql/engine
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obdev 038db1917d [Fix] check data completement task before execute inner sql and kill session when task is cancel
2023-01-12 19:02:33 +08:00
..
aggregate
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
basic
[scn] fix 4377 caused by miss one line code when refresh
2023-01-12 19:02:33 +08:00
cmd
[Fix] check data completement task before execute inner sql and kill session when task is cancel
2023-01-12 19:02:33 +08:00
connect_by
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
dml
[SCN] modify with review comments
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expr
[SCN] modify with review comments
2023-01-12 19:02:33 +08:00
join
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
pdml/static
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
prepare
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
px
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
recursive_cte
patch 4.0
2022-10-24 17:57:12 +08:00
sequence
patch 4.0
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set
[SCN] fix farm failure
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sort
[SCN] fix farm failure
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subquery
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
table
[scn] mv definition of SCN to dir of share
2023-01-12 19:02:33 +08:00
user_defined_function
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
window_function
patch 4.0
2022-10-24 17:57:12 +08:00
ob_bit_vector.h
patch 4.0
2022-10-24 17:57:12 +08:00
ob_des_exec_context.cpp
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
ob_des_exec_context.h
patch 4.0
2022-10-24 17:57:12 +08:00
ob_engine_op_traits.h
patch 4.0
2022-10-24 17:57:12 +08:00
ob_exec_context.cpp
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
ob_exec_context.h
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
ob_io_event_observer.h
patch 4.0
2022-10-24 17:57:12 +08:00
ob_operator_factory.cpp
patch 4.0
2022-10-24 17:57:12 +08:00
ob_operator_factory.h
patch 4.0
2022-10-24 17:57:12 +08:00
ob_operator_reg.h
patch 4.0
2022-10-24 17:57:12 +08:00
ob_operator.cpp
set the initial value of wrs to scn min
2023-01-12 19:02:33 +08:00
ob_operator.h
set the initial value of wrs to scn min
2023-01-12 19:02:33 +08:00
ob_phy_operator_type.cpp
patch 4.0
2022-10-24 17:57:12 +08:00
ob_phy_operator_type.h
patch 4.0
2022-10-24 17:57:12 +08:00
ob_physical_plan_ctx.cpp
[SCN] modify missing scenes
2023-01-12 19:02:33 +08:00
ob_physical_plan_ctx.h
[SCN] modify missing scenes
2023-01-12 19:02:33 +08:00
ob_physical_plan.cpp
[scn] mv definition of SCN to dir of share
2023-01-12 19:02:33 +08:00
ob_physical_plan.h
[SCN] fix farm failure
2023-01-12 19:02:33 +08:00
ob_serializable_function.cpp
patch 4.0
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ob_serializable_function.h
patch 4.0
2022-10-24 17:57:12 +08:00
ob_single_child_phy_operator.cpp
patch 4.0
2022-10-24 17:57:12 +08:00
ob_single_child_phy_operator.h
patch 4.0
2022-10-24 17:57:12 +08:00
ob_sql_mem_mgr_processor.cpp
patch 4.0
2022-10-24 17:57:12 +08:00
ob_sql_mem_mgr_processor.h
patch 4.0
2022-10-24 17:57:12 +08:00
ob_tenant_sql_memory_manager.cpp
patch 4.0
2022-10-24 17:57:12 +08:00
ob_tenant_sql_memory_manager.h
patch 4.0
2022-10-24 17:57:12 +08:00
README
patch 4.0
2022-10-24 17:57:12 +08:00

README 

See `ob_physical_plan.h' and `ob_phy_operator.h' for the interfaces of this module.

ObPhysicalPlan内存管理约束:
要求同一个phy_plan中的所有内存空间都从同一个allocator中进行分配，在析构phy_plan的时候并不会调用其他
成员的析构函数，而是直接调用allocator.clear()，直接将所有空间释放掉；
以后添加任何新的成员的时候，也必须从phy_plan的allocator中申请空间。否则会造成内存泄露，这里说的新成员
不仅包括phy_plan类的成员，也包括phy_op/sql_expression/expr_op等所有隶属于同一个phy_plan对象内的所有内容；