↑↓ 选择↵ 打开⌫ 切换范围完整搜索

PG.CENTER 连接 PostgreSQL 文档、百科与生态知识。由 Pigsty 维护。

Wiki / 版本

外部数据包装器查询并行

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。

外部数据包装器

说明

引用多个外部表的查询现在可以并行执行表扫描;该能力由 postgres_fdw 提供。

所选版本: PostgreSQL 18

支持

比较版本

原始文档链接

已记录旧标识: 358

完整来源事实与出处

yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd

{
  "Key": "foreign-data-wrapper-query-parallelism",
  "SourceKind": "yaml",
  "SourceDatabase": "center",
  "SourceTable": "featurematrix.yaml",
  "SourceKey": "Foreign data wrapper query parallelism",
  "SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
  "Name": "Foreign data wrapper query parallelism",
  "NameLocale": "en",
  "GroupKey": "foreign-data-wrappers",
  "GroupName": "Foreign Data Wrappers",
  "GroupLocale": "en",
  "Ordinal": 2,
  "GroupOrder": 17,
  "Facts": {
    "feature": {
      "description": "Queries that reference multiple foreign tables can perform table scans in parallel. This is implemented in the [`postgres_fdw`](https://www.postgresql.org/docs/14/postgres-fdw.html)",
      "name": "Foreign data wrapper query parallelism",
      "versions": {
        "14": "Yes"
      }
    },
    "group": "Foreign Data Wrappers",
    "versions": {
      "max": 18,
      "min": 8.1
    }
  },
  "Cells": [
    {
      "Version": "10",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "11",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "12",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "13",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "14",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "14",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "15",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "14",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "16",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "14",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "17",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "14",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "18",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "14",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "8.1",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "8.2",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "8.3",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "8.4",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "9.0",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "9.1",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "9.2",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "9.3",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "9.4",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "9.5",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "9.6",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    }
  ],
  "Texts": [
    {
      "Locale": "en",
      "Title": "Foreign data wrapper query parallelism",
      "BodyHTML": "\u003cp\u003eQueries that reference multiple foreign tables can perform table scans in parallel. This is implemented in the \u003ca href=\"https://www.postgresql.org/docs/14/postgres-fdw.html\" rel=\"nofollow\"\u003e\u003ccode\u003epostgres_fdw\u003c/code\u003e\u003c/a\u003e\u003c/p\u003e\n",
      "SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
      "ContentHash": "5539cd12115ef8b5c62c09649bdbfe02b5e7ee47b74a64af859cbc4cd3cc4454",
      "Payload": {
        "description": "Queries that reference multiple foreign tables can perform table scans in parallel. This is implemented in the [`postgres_fdw`](https://www.postgresql.org/docs/14/postgres-fdw.html)",
        "name": "Foreign data wrapper query parallelism",
        "versions": {
          "14": "Yes"
        }
      }
    },
    {
      "Locale": "zh-Hans",
      "Title": "外部数据包装器查询并行",
      "BodyHTML": "\u003cp\u003e引用多个外部表的查询现在可以并行执行表扫描;该能力由 \u003ccode\u003epostgres_fdw\u003c/code\u003e 提供。\u003c/p\u003e\n",
      "SourceHash": "071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50",
      "ContentHash": "1870926dd48311b4934bcb4abf015a60efa64f7f1f6654c90260492fa2e1e469",
      "Payload": {
        "description": "引用多个外部表的查询现在可以并行执行表扫描;该能力由 `postgres_fdw` 提供。",
        "name": "外部数据包装器查询并行"
      }
    }
  ],
  "GroupTitles": {
    "en": "Foreign Data Wrappers",
    "zh-Hans": "外部数据包装器"
  },
  "LegacyIDs": [
    "358"
  ]
}

完整来源数据 JSON