{"Entry":{"collection":"oid","key":"cid","name":"cid","aliases":[],"metadata":{"aliases":[],"category":"Transaction and row identifiers","content_hash":"55a0ea25e52a7db7ef951bc848afe9b3879553f80815efd3fc4f5e3b023532f7","imported_at":"2026-09-27T17:57:59.069867+08:00","name":"cid","name_zh":"cid","slug":"cid","summary":"A third identifier type used by the system is cid , or command identifier. This is the data type of the system columns cmin and cmax . Command identifiers are also 32-bit quantities."}},"Definition":{"Collection":"oid","Key":"cid","SourceDatabase":"center","Version":"18","SourceTable":"oid_type","SourceKey":"cid","SourceRevision":"8b3360302225f08ae72716ce1804596de95b568e5d31f788cb4597427b28cc38","Facts":{"description":["A third identifier type used by the system is cid , or command identifier. This is the data type of the system columns cmin and cmax . Command identifiers are also 32-bit quantities."],"facts":[{"label":"System columns","value":"cmin, cmax"}],"related":[{"label":"Section 5.6","url":"/docs/18/ddl-system-columns.html"}],"release":{"channel":"stable","label":"18.6","major":"18","ref":"PostgreSQL 18.6 Documentation","revision":"8b3360302225f08ae72716ce1804596de95b568e5d31f788cb4597427b28cc38"},"sections":[],"sources":[{"label":"PostgreSQL 18.6 Documentation","sha256":"8b3360302225f08ae72716ce1804596de95b568e5d31f788cb4597427b28cc38","url":"/docs/18/datatype-oid.html#DATATYPE-OID"},{"label":"PostgreSQL 18 online manual","url":"https://www.postgresql.org/docs/18/datatype-oid.html#DATATYPE-OID"}]},"ManualEvidence":{"release":{"channel":"stable","label":"18.6","major":"18","ref":"PostgreSQL 18.6 Documentation","revision":"8b3360302225f08ae72716ce1804596de95b568e5d31f788cb4597427b28cc38"},"sources":[{"label":"PostgreSQL 18.6 Documentation","sha256":"8b3360302225f08ae72716ce1804596de95b568e5d31f788cb4597427b28cc38","url":"/docs/18/datatype-oid.html#DATATYPE-OID"},{"label":"PostgreSQL 18 online manual","url":"https://www.postgresql.org/docs/18/datatype-oid.html#DATATYPE-OID"}]},"MeasuredEvidence":{}},"Text":{"Collection":"oid","Key":"cid","SourceDatabase":"center","Version":"18","Locale":"en","Title":"cid","Summary":"A third identifier type used by the system is cid , or command identifier. This is the data type of the system columns cmin and cmax . Command identifiers are also 32-bit quantities.","BodyHTML":"\u003cp\u003eA third identifier type used by the system is cid , or command identifier. This is the data type of the system columns cmin and cmax . Command identifiers are also 32-bit quantities.\u003c/p\u003e","SourceRevision":"8b3360302225f08ae72716ce1804596de95b568e5d31f788cb4597427b28cc38","ContentHash":"f133fd9596c625cdc5159cea310d5dc59dfa1767225920fbcab9cf73123977d7","Payload":{"description":["A third identifier type used by the system is cid , or command identifier. This is the data type of the system columns cmin and cmax . Command identifiers are also 32-bit quantities."],"related":[{"label":"Section 5.6","url":"/docs/18/ddl-system-columns.html"}],"sections":[]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["10","11","12","13","14","15","16","17","18","19","20"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}