{"Entry":{"collection":"oid","key":"cid","name":"cid","aliases":[],"metadata":{"aliases":[],"category":"Transaction and row identifiers","content_hash":"55a0ea25e52a7db7ef951bc848afe9b3879553f80815efd3fc4f5e3b023532f7","derived_content_hash":"5b2f96270bd2209c6886b63d600b48fe22ffe982dcac42b0566b71e0be2f2161","imported_at":"2026-09-27T17:57:59.069867+08:00","name":"cid","name_zh":"cid","repair_provenance":{"original_source_revision":"","receipt_sha256":"247a2ffbdd4d89d50100ff1936f089be0ac074d1bda8d51ea430060fccb69e41","repair":"wiki-repair-20261023"},"slug":"cid","source_rev":"wiki-repair-20261023:0a8815371b07eeb2c97a85bf6562ed29beaad8574a6d3f0819aaec31adcd4cd0","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."],"description_zh":"系统使用的第三种标识符类型是 cid，也就是命令标识符。这是系统列 cmin 和 cmax 的数据类型。命令标识符同样是 32 位量。","description_zh_html":"\u003cp\u003e\n    系统使用的第三种标识符类型是 \u003ccode class=\"type\"\u003ecid\u003c/code\u003e，也就是命令标识符。这是系统列 \u003ccode class=\"structfield\"\u003ecmin\u003c/code\u003e 和\n    \u003ccode class=\"structfield\"\u003ecmax\u003c/code\u003e 的数据类型。命令标识符同样是 32 位量。\n   \u003c/p\u003e","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"}],"translation_provenance":{"inputs":[{"kind":"current-pgdoc-translation","path":"/Users/vonng/pgsty/pgdoc/zh/18/html/datatype-oid.html","sha256":"f7769489aed6ea9bae7befeda7d9264ccc2752ef906f9137b4d08dd3569bba21"}],"kind":"same-version-pgdoc","locale":"zh-Hans","source_revision":"b1b500221dbe5437cfca004d6b04d3f6e422765d","version":"18"},"zh_from":"same-version-pgdoc"},"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":"en","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}