内存位图索引
已记录的来源状态与原始语言说明；缺少版本证据时明确标为未知。
来源快照记录 PostgreSQL 8.1–18 的变化节点；历史矩阵独立记录 7.4–18 的状态。两者均未记录 PostgreSQL 19 或 20 的支持状态，较新版本明确保留为未知。这些来源声明与运行测量相互独立。
索引和约束
说明
使规划器能够使用内存位图组合多个索引
所选版本: PostgreSQL 18
支持
比较版本
原始文档链接
已记录旧标识: 50
完整来源事实与出处
yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd
{
"Key": "in-memory-bitmap-indexes",
"SourceKind": "yaml",
"SourceDatabase": "center",
"SourceTable": "featurematrix.yaml",
"SourceKey": "In-memory Bitmap Indexes",
"SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
"Name": "In-memory Bitmap Indexes",
"NameLocale": "en",
"GroupKey": "indexing-constraints",
"GroupName": "Indexing \u0026 Constraints",
"GroupLocale": "en",
"Ordinal": 16,
"GroupOrder": 2,
"Facts": {
"feature": {
"description": "enabled the planner to combine multiple indexes using an in-memory bitmap",
"name": "In-memory Bitmap Indexes",
"versions": {
"8.1": "Yes"
}
},
"group": "Indexing \u0026 Constraints",
"versions": {
"max": 18,
"min": 8.1
}
},
"Cells": [
{
"Version": "10",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "11",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "12",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "13",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "14",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "15",
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"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "16",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "17",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "18",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
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"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "8.2",
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"Supported": true,
"Original": "Yes"
},
{
"Version": "8.3",
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"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "8.4",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.0",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.1",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.2",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.3",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.4",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.5",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.6",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": true,
"Original": "Yes"
}
],
"Texts": [
{
"Locale": "en",
"Title": "In-memory Bitmap Indexes",
"BodyHTML": "\u003cp\u003eenabled the planner to combine multiple indexes using an in-memory bitmap\u003c/p\u003e\n",
"SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
"ContentHash": "4fefc3c677cd19b0550583248abe8561cc0bfe01556f456e115a72947cc98785",
"Payload": {
"description": "enabled the planner to combine multiple indexes using an in-memory bitmap",
"name": "In-memory Bitmap Indexes",
"versions": {
"8.1": "Yes"
}
}
},
{
"Locale": "zh-Hans",
"Title": "内存位图索引",
"BodyHTML": "\u003cp\u003e使规划器能够使用内存位图组合多个索引\u003c/p\u003e\n",
"SourceHash": "071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50",
"ContentHash": "407cd5a38f3b93c1c390686f7105d2d9f4d98f2b737e42c643366216d78fb2c8",
"Payload": {
"description": "使规划器能够使用内存位图组合多个索引",
"name": "内存位图索引"
}
}
],
"GroupTitles": {
"en": "Indexing \u0026 Constraints",
"zh-Hans": "索引和约束"
},
"LegacyIDs": [
"50"
]
}