V2 client protocol
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.
Network
Description
obsoleted client protocol interface
Selected version: PostgreSQL 18
No
Compare versions
Original documentation links
Recorded legacy identifiers: 117
Complete source facts and provenance
yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd
{
"Key": "v2-client-protocol",
"SourceKind": "yaml",
"SourceDatabase": "center",
"SourceTable": "featurematrix.yaml",
"SourceKey": "V2 client protocol",
"SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
"Name": "V2 client protocol",
"NameLocale": "en",
"GroupKey": "network",
"GroupName": "Network",
"GroupLocale": "en",
"Ordinal": 2,
"GroupOrder": 24,
"Facts": {
"feature": {
"description": "obsoleted client protocol interface",
"name": "V2 client protocol",
"versions": {
"14": "No",
"8.1": "Obsolete"
}
},
"group": "Network",
"versions": {
"max": 18,
"min": 8.1
}
},
"Cells": [
{
"Version": "10",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "11",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "12",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "13",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "14",
"State": "no",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "14",
"Supported": false,
"Original": "No"
},
{
"Version": "15",
"State": "no",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "14",
"Supported": false,
"Original": "No"
},
{
"Version": "16",
"State": "no",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "14",
"Supported": false,
"Original": "No"
},
{
"Version": "17",
"State": "no",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "14",
"Supported": false,
"Original": "No"
},
{
"Version": "18",
"State": "no",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "14",
"Supported": false,
"Original": "No"
},
{
"Version": "8.1",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "8.2",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "8.3",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "8.4",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "9.0",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "9.1",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "9.2",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "9.3",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "9.4",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "9.5",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
},
{
"Version": "9.6",
"State": "obsolete",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "8.1",
"Supported": null,
"Original": "Obsolete"
}
],
"Texts": [
{
"Locale": "en",
"Title": "V2 client protocol",
"BodyHTML": "\u003cp\u003eobsoleted client protocol interface\u003c/p\u003e\n",
"SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
"ContentHash": "6f3f414715ef7a7d63455d2cfc978179c286f36ace9a1bb272006ed753e6ce12",
"Payload": {
"description": "obsoleted client protocol interface",
"name": "V2 client protocol",
"versions": {
"14": "No",
"8.1": "Obsolete"
}
}
},
{
"Locale": "zh-Hans",
"Title": "V2 客户端协议",
"BodyHTML": "\u003cp\u003e已废弃的客户端协议接口\u003c/p\u003e\n",
"SourceHash": "071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50",
"ContentHash": "f07e9aa787fe115b78dc7904253811dca53ef17fde0d728082a3ec6151021a39",
"Payload": {
"description": "已废弃的客户端协议接口",
"name": "V2 客户端协议"
}
}
],
"GroupTitles": {
"en": "Network",
"zh-Hans": "网络"
},
"LegacyIDs": [
"117"
]
}