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Stored Generated Columns

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.

Data Definition Language (DDL)

Description

Selected version: PostgreSQL 18

Yes

20191817161514131211109.69.59.49.39.29.19.08.48.38.28.18.07.4
UnknownUnknownYesYesYesYesYesYesYesNoNoNoNoNoNoNoNoNoNoNoNoNoUnknownUnknown

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Original documentation links

Complete source facts and provenance

yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd

{
  "Key": "stored-generated-columns",
  "SourceKind": "yaml",
  "SourceDatabase": "center",
  "SourceTable": "featurematrix.yaml",
  "SourceKey": "Stored Generated Columns",
  "SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
  "Name": "Stored Generated Columns",
  "NameLocale": "en",
  "GroupKey": "data-definition-language-ddl",
  "GroupName": "Data Definition Language (DDL)",
  "GroupLocale": "en",
  "Ordinal": 10,
  "GroupOrder": 4,
  "Facts": {
    "feature": {
      "name": "Stored Generated Columns",
      "url": "https://www.postgresql.org/docs/current/ddl-generated-columns.html",
      "versions": {
        "12": "Yes"
      }
    },
    "group": "Data Definition Language (DDL)",
    "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": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "12",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "13",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "12",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "14",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "12",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "15",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "12",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "16",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "12",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "17",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "12",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "18",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "12",
      "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": "Stored Generated Columns",
      "BodyHTML": "",
      "SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
      "ContentHash": "344626e239ef10a54a111424290c9e194023efcb0132aa8572d41265a1d5b0e4",
      "Payload": {
        "name": "Stored Generated Columns",
        "url": "https://www.postgresql.org/docs/current/ddl-generated-columns.html",
        "versions": {
          "12": "Yes"
        }
      }
    },
    {
      "Locale": "zh-Hans",
      "Title": "存储生成列",
      "BodyHTML": "\u003cp\u003ehttps://www.postgresql.org/docs/current/ddl-generated-columns.html\u003c/p\u003e\n",
      "SourceHash": "071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50",
      "ContentHash": "59c56f3faee6169def772fa145f5a2f5b5d94ecf8f4b19626bc94484c59cbb02",
      "Payload": {
        "description": "https://www.postgresql.org/docs/current/ddl-generated-columns.html",
        "name": "存储生成列"
      }
    }
  ],
  "GroupTitles": {
    "en": "Data Definition Language (DDL)",
    "zh-Hans": "数据定义语言 (DDL)"
  }
}

Complete source data JSON