Values Scan
Evaluates and scans a VALUES row list.
Reading PG 18·Select a recorded version
- Core node tag
- T_ValuesScan
- Structured EXPLAIN Node Type
- Values Scan
- Inputs
- A list of row expressions
- Output
- VALUES tuples
- Executor initializer
- ExecInitValuesScan
- Memory mechanism
- unclassified
- evidence kind
- source and documentation
- explain names
- Values Scan
- explain prefixes
- Parallel, Async
- node tag
- T_ValuesScan
- parallel callbacks
- Unknown
- partial modes
- Unknown
- runtime verified
- false
- strategies
- Unknown
Definition PG 18
Evaluates and scans a VALUES row list.
EXPLAIN labels in this source build
| Text-format label | Structured node identity |
|---|---|
| Values Scan | Values Scan |
Compare versions
Complete source facts
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/nodeValuesscan.c","path":"src/backend/executor/nodeValuesscan.c","sha256":"2cbd81c45f271df78a8ff17890449ff527f2b49b29187b6d61767f321165b2a3","url":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2"}],"mechanism":"unclassified","source_notes":[]}source inventory
{"executor":"src/backend/executor/execProcnode.c","explain":"src/backend/commands/explain.c","implementation":"src/backend/executor/nodeValuesscan.c"}Source references
- src/backend/commands/explain.c:1471
- src/backend/executor/execProcnode.c:264
- src/backend/executor/nodeValuesscan.c
- src/include/nodes/plannodes.h
Full definition and evidence JSON
Definition sources
center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f
Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f