HALOWERKTechnische Prüfungen & Formate
F A NEXT MVCC SNAPSHOT / postgres mvcc snapshot tuple visibility
An offline database-history agent needs which supplied physical tuple versions a PostgreSQL MVCC snapshot can see, including current command boundaries and a deletion that remains active in that snapshot.
POST https://detect.halowerk.com/v1/F-A-NEXT-MVCC_SNAPSHOT/postgres-mvcc-snapshot-tuple-visibilityEingaben
| Feld | Typ | Pflicht | Beschreibung |
|---|---|---|---|
| artifact | object | Ja |
Vollständiges Eingabeschema anzeigen
{
"type": "object",
"additionalProperties": false,
"required": [
"artifact"
],
"properties": {
"artifact": {
"type": "object",
"additionalProperties": false,
"required": [
"mvcc_snapshot"
],
"properties": {
"mvcc_snapshot": {
"type": "object",
"additionalProperties": false,
"required": [
"claim",
"snapshot",
"transactions",
"tuples"
],
"properties": {
"claim": {
"type": "number",
"minimum": -1000000000000,
"maximum": 1000000000000
},
"snapshot": {
"type": "object",
"additionalProperties": false,
"required": [
"curcid",
"current",
"xip",
"xmax",
"xmin"
],
"properties": {
"curcid": {
"type": "number",
"minimum": -1000000000000,
"maximum": 1000000000000
},
"current": {
"type": "number",
"minimum": -1000000000000,
"maximum": 1000000000000
},
"xip": {
"type": "array",
"maxItems": 512,
"items": {
"type": "number",
"minimum": -1000000000000,
"maximum": 1000000000000
}
},
"xmax": {
"type": "number",
"minimum": -1000000000000,
"maximum": 1000000000000
},
"xmin": {
"type": "number",
"minimum": -1000000000000,
"maximum": 1000000000000
}
}
},
"transactions": {
"type": "array",
"maxItems": 512,
"items": {
"type": "object",
"additionalProperties": false,
"required": [
"id",
"status"
],
"properties": {
"id": {
"type": "number",
"minimum": -1000000000000,
"maximum": 1000000000000
},
"status": {
"type": "string",
"maxLength": 1024
}
}
}
},
"tuples": {
"type": "array",
"maxItems": 512,
"items": {
"type": "object",
"additionalProperties": false,
"required": [
"cmax",
"cmin",
"frozen",
"locked",
"xmax",
"xmin"
],
"properties": {
"cmax": {
"type": "number",
"minimum": -1000000000000,
"maximum": 1000000000000
},
"cmin": {
"type": "number",
"minimum": -1000000000000,
"maximum": 1000000000000
},
"frozen": {
"type": "boolean"
},
"locked": {
"type": "boolean"
},
"xmax": {
"type": "number",
"minimum": -1000000000000,
"maximum": 1000000000000
},
"xmin": {
"type": "number",
"minimum": -1000000000000,
"maximum": 1000000000000
}
}
}
}
}
}
}
}
}
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