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fix broken diagram and comments

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Alek Westover
2023-07-21 13:41:57 -04:00
parent cca54fdfbf
commit c7cb5f7119
2 changed files with 69 additions and 72 deletions
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docs/rfcs/024-extension-loading.md
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@@ -140,64 +140,60 @@ popular extensions.
## Extension Storage implementation
The layout of the S3 bucket is as follows:
```
├── 111
│   ├── v14
│   │   ├── extensions
│   │   │   ├── anon.tar.zst
│   │   │   └── embedding.tar.zst
│   │   └── ext_index.json
│   └── v15
│   ├── extensions
│   │   ├── anon.tar.zst
│   │   └── embedding.tar.zst
│   └── ext_index.json
├── 112
│   ├── v14
│   │   ├── extensions
│   │   │   └── anon.tar.zst
│   │   └── ext_index.json
│   └── v15
│   ├── extensions
│   │   └── anon.tar.zst
│   └── ext_index.json
└── 113
├── v14
│   ├── extensions
│   │   └── embedding.tar.zst
│   └── ext_index.json
└── v15
├── extensions
│   └── embedding.tar.zst
└── ext_index.json
```
5615610098 // this is an extension build number
├── v14
│   ├── extensions
│   │   ├── anon.tar.zst
│   │   └── embedding.tar.zst
│   └── ext_index.json
└── v15
├── extensions
│   ├── anon.tar.zst
│   └── embedding.tar.zst
└── ext_index.json
5615261079
├── v14
│   ├── extensions
│   │   └── anon.tar.zst
│   └── ext_index.json
└── v15
├── extensions
│   └── anon.tar.zst
└── ext_index.json
5623261088
├── v14
│   ├── extensions
│   │   └── embedding.tar.zst
│   └── ext_index.json
└── v15
├── extensions
│   └── embedding.tar.zst
└── ext_index.json
Note that build number cannot be part of prefix because we might need extensions
from other build numbers.
`ext_index.json` stores the control files and location of extension archives
ext_index.json stores the control files and location of extension archives
We do not duplicate `extension.tar.zst` files.
We do not duplicate extension.tar.zst files.
We only upload a new one if it is updated.
**access** is controlled by spec
*access* is controlled by spec
More specifically, here is an example `ext_index.json` that could be found in `111/v14`
```
More specifically, here is an example ext_index.json
{
"embedding": {
"control_data": {
"embedding.control": "comment = 'hnsw index' \ndefault_version = '0.1.0' \nmodule_pathname = '$libdir/embedding' \nrelocatable = true \ntrusted = true"
},
"archive_path": "111/v15/extensions/embedding.tar.zst"
"archive_path": "5623261088/v15/extensions/embedding.tar.zst"
},
"anon": {
"control_data": {
"anon.control": "# PostgreSQL Anonymizer (anon) extension \ncomment = 'Data anonymization tools' \ndefault_version = '1.1.0' \ndirectory='extension/anon' \nrelocatable = false \nrequires = 'pgcrypto' \nsuperuser = false \nmodule_pathname = '$libdir/anon' \ntrusted = true \n"
},
"archive_path": "111/v15/extensions/anon.tar.zst"
"archive_path": "5615261079/v15/extensions/anon.tar.zst"
}
}
```
### How to add new extension to the Extension Storage?