↑↓ select↵ open⌫ change scopeOpen full search

PG.CENTER connects PostgreSQL documentation, reference, and ecosystem knowledge. Maintained by Pigsty.

Wiki / Versions

Parallel hash joins

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 prose description is recorded; original links and version facts remain available.

Performance

Description

Selected version: PostgreSQL 18

Yes

20191817161514131211109.69.59.49.39.29.19.08.48.38.28.18.07.4
UnknownUnknownYesYesYesYesYesYesYesYesNoNoNoNoNoNoNoNoNoNoNoNoUnknownUnknown

Compare versions

Original documentation links

Complete source facts and provenance

yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd

{
  "Key": "parallel-hash-joins",
  "SourceKind": "yaml",
  "SourceDatabase": "center",
  "SourceTable": "featurematrix.yaml",
  "SourceKey": "Parallel hash joins",
  "SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
  "Name": "Parallel hash joins",
  "NameLocale": "en",
  "GroupKey": "performance",
  "GroupName": "Performance",
  "GroupLocale": "en",
  "Ordinal": 35,
  "GroupOrder": 5,
  "Facts": {
    "feature": {
      "name": "Parallel hash joins",
      "url": "https://www.postgresql.org/docs/current/parallel-plans.html#PARALLEL-JOINS",
      "versions": {
        "11": "Yes"
      }
    },
    "group": "Performance",
    "versions": {
      "max": 18,
      "min": 8.1
    }
  },
  "Cells": [
    {
      "Version": "10",
      "State": "no",
      "EvidenceKind": "yaml-default-no",
      "TransitionVersion": "",
      "Supported": false,
      "Original": "No"
    },
    {
      "Version": "11",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "11",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "12",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "11",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "13",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "11",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "14",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "11",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "15",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "11",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "16",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "11",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "17",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "11",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "18",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "11",
      "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": "Parallel hash joins",
      "BodyHTML": "",
      "SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
      "ContentHash": "29d1141b9ebdf4e5341dccc7080bb3f6b2abeb7b44dc87b9613c9ff8b9b7aa7d",
      "Payload": {
        "name": "Parallel hash joins",
        "url": "https://www.postgresql.org/docs/current/parallel-plans.html#PARALLEL-JOINS",
        "versions": {
          "11": "Yes"
        }
      }
    },
    {
      "Locale": "zh-Hans",
      "Title": "并行哈希连接",
      "BodyHTML": "\u003cp\u003ehttps://www.postgresql.org/docs/current/parallel-plans.html#PARALLEL-JOINS\u003c/p\u003e\n",
      "SourceHash": "071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50",
      "ContentHash": "11ed977802b6109c95d11f4ac4e42eeab5d3f49cf7dbddff48d898a5faa258bc",
      "Payload": {
        "description": "https://www.postgresql.org/docs/current/parallel-plans.html#PARALLEL-JOINS",
        "name": "并行哈希连接"
      }
    }
  ],
  "GroupTitles": {
    "en": "Performance",
    "zh-Hans": "性能"
  }
}

Complete source data JSON