SELECT FOR NO KEY UPDATE/SELECT FOR KEY SHARE 锁定模式
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 translation of this description is recorded. The original Chinese description is shown. The source label is retained in Chinese; no translated label is recorded.
SQL
Description
这些模式防止非键字段的行更新锁定外键行。
Selected version: PostgreSQL 18
No
Compare versions
Original documentation links
Related source snapshot entry · The original source supplies this relationship; each matrix retains its own states.
Complete source facts and provenance
legacy · center · f919d8bb5220f0c2613091c86fb96efff55852f266bfad6a074b796cd03dd8ae
{
"Key": "242",
"SourceKind": "legacy",
"SourceDatabase": "center",
"SourceTable": "featurematrix_feature",
"SourceKey": "242",
"SourceHash": "f919d8bb5220f0c2613091c86fb96efff55852f266bfad6a074b796cd03dd8ae",
"Name": "SELECT FOR NO KEY UPDATE/SELECT FOR KEY SHARE 锁定模式",
"NameLocale": "zh-Hans",
"GroupKey": "15",
"GroupName": "SQL",
"GroupLocale": "en",
"Ordinal": 0,
"GroupOrder": 6,
"Facts": {
"featuredescription": "这些模式防止非键字段的行更新锁定外键行。",
"featurename": "SELECT FOR NO KEY UPDATE/SELECT FOR KEY SHARE 锁定模式",
"group_id": 15,
"id": 242,
"v10": 1,
"v11": 1,
"v12": 1,
"v13": 1,
"v14": 0,
"v15": 0,
"v16": 0,
"v17": 0,
"v18": 0,
"v74": 0,
"v80": 0,
"v81": 0,
"v82": 0,
"v83": 0,
"v84": 0,
"v90": 0,
"v91": 0,
"v92": 0,
"v93": 1,
"v94": 1,
"v95": 1,
"v96": 1
},
"Cells": [
{
"Version": "10",
"State": "yes",
"EvidenceKind": "legacy-database:v10",
"TransitionVersion": "",
"Supported": true,
"Original": 1
},
{
"Version": "11",
"State": "yes",
"EvidenceKind": "legacy-database:v11",
"TransitionVersion": "",
"Supported": true,
"Original": 1
},
{
"Version": "12",
"State": "yes",
"EvidenceKind": "legacy-database:v12",
"TransitionVersion": "",
"Supported": true,
"Original": 1
},
{
"Version": "13",
"State": "yes",
"EvidenceKind": "legacy-database:v13",
"TransitionVersion": "",
"Supported": true,
"Original": 1
},
{
"Version": "14",
"State": "no",
"EvidenceKind": "legacy-database:v14",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "15",
"State": "no",
"EvidenceKind": "legacy-database:v15",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "16",
"State": "no",
"EvidenceKind": "legacy-database:v16",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "17",
"State": "no",
"EvidenceKind": "legacy-database:v17",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "18",
"State": "no",
"EvidenceKind": "legacy-database:v18",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "7.4",
"State": "no",
"EvidenceKind": "legacy-database:v74",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "8.0",
"State": "no",
"EvidenceKind": "legacy-database:v80",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "8.1",
"State": "no",
"EvidenceKind": "legacy-database:v81",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "8.2",
"State": "no",
"EvidenceKind": "legacy-database:v82",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "8.3",
"State": "no",
"EvidenceKind": "legacy-database:v83",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "8.4",
"State": "no",
"EvidenceKind": "legacy-database:v84",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "9.0",
"State": "no",
"EvidenceKind": "legacy-database:v90",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "9.1",
"State": "no",
"EvidenceKind": "legacy-database:v91",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "9.2",
"State": "no",
"EvidenceKind": "legacy-database:v92",
"TransitionVersion": "",
"Supported": false,
"Original": 0
},
{
"Version": "9.3",
"State": "yes",
"EvidenceKind": "legacy-database:v93",
"TransitionVersion": "",
"Supported": true,
"Original": 1
},
{
"Version": "9.4",
"State": "yes",
"EvidenceKind": "legacy-database:v94",
"TransitionVersion": "",
"Supported": true,
"Original": 1
},
{
"Version": "9.5",
"State": "yes",
"EvidenceKind": "legacy-database:v95",
"TransitionVersion": "",
"Supported": true,
"Original": 1
},
{
"Version": "9.6",
"State": "yes",
"EvidenceKind": "legacy-database:v96",
"TransitionVersion": "",
"Supported": true,
"Original": 1
}
],
"Texts": [
{
"Locale": "zh-Hans",
"Title": "SELECT FOR NO KEY UPDATE/SELECT FOR KEY SHARE 锁定模式",
"BodyHTML": "\u003cp\u003e这些模式防止非键字段的行更新锁定外键行。\u003c/p\u003e\n",
"SourceHash": "f919d8bb5220f0c2613091c86fb96efff55852f266bfad6a074b796cd03dd8ae",
"ContentHash": "8fc7df0548a93f2bdb2017f5e1b3f490450b569e97f3b46c6250614acb604813",
"Payload": {
"description": "这些模式防止非键字段的行更新锁定外键行。",
"name": "SELECT FOR NO KEY UPDATE/SELECT FOR KEY SHARE 锁定模式"
}
}
],
"GroupTitles": {
"en": "SQL"
},
"RelatedKey": "select-for-no-key-updateselect-for-key-share-lock-modes"
}