ModifyTable
Performs the data-modification operation selected by the plan and produces RETURNING rows when requested.
当前阅读 PG 18·选择有来源记录的版本
此版本暂无所选语言的定义,以下显示原始英文内容。
- Core node tag
- T_ModifyTable
- Structured EXPLAIN Node Type
- ModifyTable
- Inputs
- Modification input plan or plans
- Output
- RETURNING tuples when requested
- Executor initializer
- ExecInitModifyTable
- Memory mechanism
- unclassified
- evidence kind
- source and documentation
- explain names
- Insert, Update, Delete, Merge
- explain prefixes
- Parallel, Async
- node tag
- T_ModifyTable
- parallel callbacks
- 未知
- partial modes
- 未知
- runtime verified
- false
- strategies
- 未知
版本定义 PG 18
Performs the data-modification operation selected by the plan and produces RETURNING rows when requested.
EXPLAIN labels in this source build
| Text-format label | Structured node identity |
|---|---|
| Insert | ModifyTable |
| Update | ModifyTable |
| Delete | ModifyTable |
| Merge | ModifyTable |
比较版本
完整来源事实
memory
{"description":"This extraction does not assign a universal memory limit or spill policy to this node. Inspect the same-build implementation and its expressions or provider.","evidence":[{"archive_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","label":"src/backend/executor/nodeModifyTable.c","path":"src/backend/executor/nodeModifyTable.c","sha256":"0fc3cb180b3443f216142954e43d8ed5f84713d75094ce8cd2785ad8f604bd68","url":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2"}],"mechanism":"unclassified","source_notes":["If the FDW supports batching, and batching is requested, accumulate rows and insert them in batches. Otherwise use the per-row inserts.","Initialize the batch slots. We don't know how many slots will be needed, so we initialize them as the batch grows, and we keep them across batches. To mitigate an inefficiency in how resource owner handles objects with many references (as with many slots all referencing the same tuple descriptor) we copy the appropriate tuple descriptor for each slot."]}source inventory
{"executor":"src/backend/executor/execProcnode.c","explain":"src/backend/commands/explain.c","implementation":"src/backend/executor/nodeModifyTable.c"}来源引用
- src/backend/commands/explain.c:1385
- src/backend/executor/execProcnode.c:176
- src/backend/executor/nodeModifyTable.c
- src/include/nodes/plannodes.h
- PostgreSQL 18.6 · using-explain
- PostgreSQL 18.6 · using-explain
定义来源
center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f
正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f