可串行化快照隔离
已记录的来源状态与原始语言说明；缺少版本证据时明确标为未知。
来源快照记录 PostgreSQL 8.1–18 的变化节点；历史矩阵独立记录 7.4–18 的状态。两者均未记录 PostgreSQL 19 或 20 的支持状态，较新版本明确保留为未知。这些来源声明与运行测量相互独立。
事务与可见性
说明
实现了真正的可串行化快照隔离。此前，请求可串行化隔离级别仅保证在整个事务中使用单个 MVCC 快照，这允许某些已知的异常现象发生。
所选版本: PostgreSQL 18
支持
比较版本
原始文档链接
已记录旧标识: 209
完整来源事实与出处
yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd
{
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"SourceKey": "Serializable Snapshot Isolation",
"SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
"Name": "Serializable Snapshot Isolation",
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"name": "Serializable Snapshot Isolation",
"versions": {
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}
},
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},
{
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{
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{
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},
{
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},
{
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"Original": "No"
},
{
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{
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{
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{
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{
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{
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}
],
"Texts": [
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"Title": "Serializable Snapshot Isolation",
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{
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},
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]
}