Wiki / OID Types / Transaction and row identifiers
tid
tid
A final identifier type used by the system is tid , or tuple identifier (row identifier). This is the data type of the system column ctid . A tuple ID is a pair (block number, tuple index within block) that identifies the physical location of the ro…
Reading PostgreSQL 18.6.
Description
A final identifier type used by the system is tid , or tuple identifier (row identifier). This is the data type of the system column ctid . A tuple ID is a pair (block number, tuple index within block) that identifies the physical location of the row within its table.
- System columns
- ctid
Related entries
Documentation and source
Source build
- Version
- 18.6
- Build
- PostgreSQL 18.6 Documentation
- Source fingerprint
8b3360302225f08ae72716ce1804596de95b568e5d31f788cb4597427b28cc38
Compare versions
PostgreSQL 17 → 18: unchanged.
Compares recorded interfaces and attributes. Source fingerprints and build metadata are excluded; an absent sample is not proof of the introduction or removal release.
Related entries
Export JSON · Back to OID Types · Recorded in PostgreSQL 10 through 20; the first sample is not necessarily its introduction.