Payload support for LISTEN/NOTIFY
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.
Backend
Description
Selected version: PostgreSQL 18
Yes
Compare versions
Original documentation links
Recorded legacy identifiers: 190
Complete source facts and provenance
yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd
{
"Key": "payload-support-for-listennotify",
"SourceKind": "yaml",
"SourceDatabase": "center",
"SourceTable": "featurematrix.yaml",
"SourceKey": "Payload support for LISTEN/NOTIFY",
"SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
"Name": "Payload support for LISTEN/NOTIFY",
"NameLocale": "en",
"GroupKey": "backend",
"GroupName": "Backend",
"GroupLocale": "en",
"Ordinal": 11,
"GroupOrder": 0,
"Facts": {
"feature": {
"description": "[`NOTIFY`](https://www.postgresql.org/docs/current/sql-notify.html) can send payload data, which can be received by [`LISTEN`](https://www.postgresql.org/docs/current/sql-listen.html)",
"name": "Payload support for LISTEN/NOTIFY",
"versions": {
"9.0": "Yes"
}
},
"group": "Backend",
"versions": {
"max": 18,
"min": 8.1
}
},
"Cells": [
{
"Version": "10",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "11",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "12",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "13",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "14",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "15",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "16",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "17",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "18",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"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": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.1",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.2",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.3",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.4",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.5",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.6",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.0",
"Supported": true,
"Original": "Yes"
}
],
"Texts": [
{
"Locale": "en",
"Title": "Payload support for LISTEN/NOTIFY",
"BodyHTML": "\u003cp\u003e\u003ca href=\"https://www.postgresql.org/docs/current/sql-notify.html\" rel=\"nofollow\"\u003e\u003ccode\u003eNOTIFY\u003c/code\u003e\u003c/a\u003e can send payload data, which can be received by \u003ca href=\"https://www.postgresql.org/docs/current/sql-listen.html\" rel=\"nofollow\"\u003e\u003ccode\u003eLISTEN\u003c/code\u003e\u003c/a\u003e\u003c/p\u003e\n",
"SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
"ContentHash": "5cb50e5537e14d349aa2e844346abb53e264fbb758c6c32dad0425f57e5641e9",
"Payload": {
"description": "[`NOTIFY`](https://www.postgresql.org/docs/current/sql-notify.html) can send payload data, which can be received by [`LISTEN`](https://www.postgresql.org/docs/current/sql-listen.html)",
"name": "Payload support for LISTEN/NOTIFY",
"versions": {
"9.0": "Yes"
}
}
},
{
"Locale": "zh-Hans",
"Title": "LISTEN/NOTIFY 的有效载荷支持",
"BodyHTML": "\u003cp\u003e\u003ca href=\"https://www.postgresql.org/docs/current/sql-notify.html\" rel=\"nofollow\"\u003e\u003ccode\u003eNOTIFY\u003c/code\u003e\u003c/a\u003e 可以发送有效载荷数据，可被 \u003ca href=\"https://www.postgresql.org/docs/current/sql-listen.html\" rel=\"nofollow\"\u003e\u003ccode\u003eLISTEN\u003c/code\u003e\u003c/a\u003e 接收\u003c/p\u003e\n",
"SourceHash": "071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50",
"ContentHash": "1e2fb2bff14dc691ad6f850a093748a99b50d9bb5d82e3207b5aeb1bdff96acd",
"Payload": {
"description": "[`NOTIFY`](https://www.postgresql.org/docs/current/sql-notify.html) 可以发送有效载荷数据，可被 [`LISTEN`](https://www.postgresql.org/docs/current/sql-listen.html) 接收",
"name": "LISTEN/NOTIFY 的有效载荷支持"
}
}
],
"GroupTitles": {
"en": "Backend",
"zh-Hans": "后端"
},
"LegacyIDs": [
"190"
]
}