已冻结页面映射
Recorded source states and original language descriptions. Missing version evidence stays unknown.
The source snapshot records transitions for PostgreSQL 8.1–18. The historical matrix records independent cells for 7.4–18. Neither records support for PostgreSQL 19 or 20; newer versions remain unknown. These source claims are distinct from runtime measurements.
No translation of this description is recorded. The original Chinese description is shown. The source label is retained in Chinese; no translated label is recorded.
性能
Description
可见性映射中的冻结页面数据，防止在回卷期间重新清理已冻结的页面。
Selected version: PostgreSQL 18
No
Compare versions
Original documentation links
Related source snapshot entry · The original source supplies this relationship; each matrix retains its own states.
Complete source facts and provenance
legacy · center · 8d4d086a2de6af5d582302aac5f9884e69652d83580f6a168c90b4b22c2c0d53
{
"Key": "287",
"SourceKind": "legacy",
"SourceDatabase": "center",
"SourceTable": "featurematrix_feature",
"SourceKey": "287",
"SourceHash": "8d4d086a2de6af5d582302aac5f9884e69652d83580f6a168c90b4b22c2c0d53",
"Name": "已冻结页面映射",
"NameLocale": "zh-Hans",
"GroupKey": "1",
"GroupName": "性能",
"GroupLocale": "zh-Hans",
"Ordinal": 0,
"GroupOrder": 10,
"Facts": {
"featuredescription": "可见性映射中的冻结页面数据，防止在回卷期间重新清理已冻结的页面。",
"featurename": "已冻结页面映射",
"group_id": 1,
"id": 287,
"v10": 1,
"v11": 1,
"v12": 1,
"v13": 1,
"v14": 0,
"v15": 0,
"v16": 0,
"v17": 0,
"v18": 0,
"v74": 0,
"v80": 0,
"v81": 0,
"v82": 0,
"v83": 0,
"v84": 0,
"v90": 0,
"v91": 0,
"v92": 0,
"v93": 0,
"v94": 0,
"v95": 0,
"v96": 1
},
"Cells": [
{
"Version": "10",
"State": "yes",
"EvidenceKind": "legacy-database:v10",
"TransitionVersion": "",
"Supported": true,
"Original": 1
},
{
"Version": "11",
"State": "yes",
"EvidenceKind": "legacy-database:v11",
"TransitionVersion": "",
"Supported": true,
"Original": 1
},
{
"Version": "12",
"State": "yes",
"EvidenceKind": "legacy-database:v12",
"TransitionVersion": "",
"Supported": true,
"Original": 1
},
{
"Version": "13",
"State": "yes",
"EvidenceKind": "legacy-database:v13",
"TransitionVersion": "",
"Supported": true,
"Original": 1
},
{
"Version": "14",
"State": "no",
"EvidenceKind": "legacy-database:v14",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "15",
"State": "no",
"EvidenceKind": "legacy-database:v15",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "16",
"State": "no",
"EvidenceKind": "legacy-database:v16",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "17",
"State": "no",
"EvidenceKind": "legacy-database:v17",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "18",
"State": "no",
"EvidenceKind": "legacy-database:v18",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "7.4",
"State": "no",
"EvidenceKind": "legacy-database:v74",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "8.0",
"State": "no",
"EvidenceKind": "legacy-database:v80",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "8.1",
"State": "no",
"EvidenceKind": "legacy-database:v81",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "8.2",
"State": "no",
"EvidenceKind": "legacy-database:v82",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "8.3",
"State": "no",
"EvidenceKind": "legacy-database:v83",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "8.4",
"State": "no",
"EvidenceKind": "legacy-database:v84",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "9.0",
"State": "no",
"EvidenceKind": "legacy-database:v90",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "9.1",
"State": "no",
"EvidenceKind": "legacy-database:v91",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "9.2",
"State": "no",
"EvidenceKind": "legacy-database:v92",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "9.3",
"State": "no",
"EvidenceKind": "legacy-database:v93",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "9.4",
"State": "no",
"EvidenceKind": "legacy-database:v94",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "9.5",
"State": "no",
"EvidenceKind": "legacy-database:v95",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "9.6",
"State": "yes",
"EvidenceKind": "legacy-database:v96",
"TransitionVersion": "",
"Supported": true,
"Original": 1
}
],
"Texts": [
{
"Locale": "zh-Hans",
"Title": "已冻结页面映射",
"BodyHTML": "\u003cp\u003e可见性映射中的冻结页面数据，防止在回卷期间重新清理已冻结的页面。\u003c/p\u003e\n",
"SourceHash": "8d4d086a2de6af5d582302aac5f9884e69652d83580f6a168c90b4b22c2c0d53",
"ContentHash": "79e9f11ac3eaa0d858a029e5cbfa746ff1cbbd46292746c81e14caebe4dac99e",
"Payload": {
"description": "可见性映射中的冻结页面数据，防止在回卷期间重新清理已冻结的页面。",
"name": "已冻结页面映射"
}
}
],
"GroupTitles": {
"zh-Hans": "性能"
},
"RelatedKey": "frozen-page-map"
}