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trace_json_schema.json
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{
"type": "array",
"default": [],
"title": "Root Schema",
"items": {
"type": "object",
"default": {},
"title": "A Schema",
"required": [
"parsingTime",
"planningTime",
"LWLockPlanning",
"explain",
"executionEvents",
"executionTime",
"executorNodeStatInPlan",
"exprNodeStat"
],
"properties": {
"parsingTime": {
"type": "string",
"default": "",
"title": "parsing time",
"examples": [
"72821 nanosec"
]
},
"planningTime": {
"type": "string",
"default": "",
"title": "planning time",
"examples": [
"884161 nanosec"
]
},
"planType": {
"type": "string",
"default": "",
"title": "plan type (generic or custom)",
"examples": [
"custom"
]
},
"params": {
"type": "string",
"default": "",
"title": "params for prepared plan",
"examples": [
""
]
},
"LWLockPlanning": {
"type": "object",
"default": {},
"title": "LWLock stat for shared buffers",
"required": [
"info",
"stat"
],
"properties": {
"info": {
"type": "string",
"default": "",
"title": "The info Schema",
"examples": [
"Buffer locks usage for planning"
]
},
"stat": {
"type": "array",
"default": [],
"title": "The stat Schema",
"items": {
"type": "object",
"default": {},
"title": "A Schema",
"required": [
"bufferTag",
"exclusive",
"shared"
],
"properties": {
"bufferTag": {
"type": "object",
"default": {},
"title": "The bufferTag Schema",
"required": [
"spcOid",
"spcName",
"dbOid",
"dbName",
"relNumber",
"relName",
"relKind",
"forkName",
"blockNumber"
],
"properties": {
"spcOid": {
"type": "integer",
"default": 0,
"title": "The spcOid Schema",
"examples": [
1663
]
},
"spcName": {
"type": "string",
"default": "",
"title": "The spcName Schema",
"examples": [
"pg_default"
]
},
"dbOid": {
"type": "integer",
"default": 0,
"title": "The dbOid Schema",
"examples": [
5
]
},
"dbName": {
"type": "string",
"default": "",
"title": "The dbName Schema",
"examples": [
"postgres"
]
},
"relNumber": {
"type": "integer",
"default": 0,
"title": "The relNumber Schema",
"examples": [
2662
]
},
"relName": {
"type": "string",
"default": "",
"title": "The relName Schema",
"examples": [
"pg_catalog.pg_class_oid_index"
]
},
"relKind": {
"type": "string",
"default": "",
"title": "The relKind Schema",
"examples": [
"i"
]
},
"forkName": {
"type": "string",
"default": "",
"title": "The forkName Schema",
"examples": [
"main"
]
},
"blockNumber": {
"type": "integer",
"default": 0,
"title": "The blockNumber Schema",
"examples": [
3
]
}
},
"examples": [
{
"spcOid": 1663,
"spcName": "pg_default",
"dbOid": 5,
"dbName": "postgres",
"relNumber": 2662,
"relName": "pg_catalog.pg_class_oid_index",
"relKind": "i",
"forkName": "main",
"blockNumber": 3
}
]
},
"exclusive": {
"type": "object",
"default": {},
"title": "The exclusive Schema",
"required": [
"totalCalls",
"sleepCount",
"sleepTimeSum",
"maxSleepTime"
],
"properties": {
"totalCalls": {
"type": "integer",
"default": 0,
"title": "The totalCalls Schema",
"examples": [
0
]
},
"sleepCount": {
"type": "integer",
"default": 0,
"title": "The sleepCount Schema",
"examples": [
0
]
},
"sleepTimeSum": {
"type": "string",
"default": "",
"title": "The sleepTimeSum Schema",
"examples": [
"0 nanosec"
]
},
"maxSleepTime": {
"type": "string",
"default": "",
"title": "The maxSleepTime Schema",
"examples": [
"0 nanosec"
]
}
},
"examples": [
{
"totalCalls": 0,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
}
]
},
"shared": {
"type": "object",
"default": {},
"title": "The shared Schema",
"required": [
"totalCalls",
"sleepCount",
"sleepTimeSum",
"maxSleepTime"
],
"properties": {
"totalCalls": {
"type": "integer",
"default": 0,
"title": "The totalCalls Schema",
"examples": [
5
]
},
"sleepCount": {
"type": "integer",
"default": 0,
"title": "The sleepCount Schema",
"examples": [
0
]
},
"sleepTimeSum": {
"type": "string",
"default": "",
"title": "The sleepTimeSum Schema",
"examples": [
"0 nanosec"
]
},
"maxSleepTime": {
"type": "string",
"default": "",
"title": "The maxSleepTime Schema",
"examples": [
"0 nanosec"
]
}
},
"examples": [
{
"totalCalls": 5,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
}
]
}
},
"examples": [
{
"bufferTag": {
"spcOid": 1663,
"spcName": "pg_default",
"dbOid": 5,
"dbName": "postgres",
"relNumber": 2662,
"relName": "pg_catalog.pg_class_oid_index",
"relKind": "i",
"forkName": "main",
"blockNumber": 3
},
"exclusive": {
"totalCalls": 0,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
},
"shared": {
"totalCalls": 5,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
}
}
]
},
"examples": [
[
{
"bufferTag": {
"spcOid": 1663,
"spcName": "pg_default",
"dbOid": 5,
"dbName": "postgres",
"relNumber": 2662,
"relName": "pg_catalog.pg_class_oid_index",
"relKind": "i",
"forkName": "main",
"blockNumber": 3
},
"exclusive": {
"totalCalls": 0,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
},
"shared": {
"totalCalls": 5,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
}
}
]
]
}
},
"examples": [
{
"info": "Buffer locks usage for planning",
"stat": [
{
"bufferTag": {
"spcOid": 1663,
"spcName": "pg_default",
"dbOid": 5,
"dbName": "postgres",
"relNumber": 2662,
"relName": "pg_catalog.pg_class_oid_index",
"relKind": "i",
"forkName": "main",
"blockNumber": 3
},
"exclusive": {
"totalCalls": 0,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
},
"shared": {
"totalCalls": 5,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
}
}
]
}
]
},
"explain": {
"type": "object",
"default": {},
"title": "Explan for this query",
"required": [],
"properties": {},
"examples": [
{
"Query Text": "select * from pg_extension;",
"Plan": {},
"Settings": {}
}
]
},
"executionEvents": {
"type": "array",
"default": [],
"title": "events during execution",
"items": {
"type": "object",
"default": {},
"title": "execution event",
"required": [
"node",
"executeTime"
],
"properties": {
"node": {
"type": "string",
"default": "",
"title": "The node Schema",
"examples": [
"ScanState"
]
},
"explain": {
"type": "object",
"default": {},
"title": "The explain Schema",
"required": [],
"properties": {},
"examples": [
{}
]
},
"executeTime": {
"type": "string",
"default": "",
"title": "The executeTime Schema",
"examples": [
"32256 nanosec"
]
},
"LWLockStat": {
"type": "array",
"default": [],
"title": "The LWLockStat Schema",
"items": {
"type": "object",
"default": {},
"title": "A Schema",
"required": [
"bufferTag",
"exclusive",
"shared"
],
"properties": {
"bufferTag": {
"type": "object",
"default": {},
"title": "The bufferTag Schema",
"required": [
"spcOid",
"spcName",
"dbOid",
"dbName",
"relNumber",
"relName",
"relKind",
"forkName",
"blockNumber"
],
"properties": {
"spcOid": {
"type": "integer",
"default": 0,
"title": "The spcOid Schema",
"examples": [
1663
]
},
"spcName": {
"type": "string",
"default": "",
"title": "The spcName Schema",
"examples": [
"pg_default"
]
},
"dbOid": {
"type": "integer",
"default": 0,
"title": "The dbOid Schema",
"examples": [
5
]
},
"dbName": {
"type": "string",
"default": "",
"title": "The dbName Schema",
"examples": [
"postgres"
]
},
"relNumber": {
"type": "integer",
"default": 0,
"title": "The relNumber Schema",
"examples": [
3079
]
},
"relName": {
"type": "string",
"default": "",
"title": "The relName Schema",
"examples": [
"pg_catalog.pg_extension"
]
},
"relKind": {
"type": "string",
"default": "",
"title": "The relKind Schema",
"examples": [
"r"
]
},
"forkName": {
"type": "string",
"default": "",
"title": "The forkName Schema",
"examples": [
"main"
]
},
"blockNumber": {
"type": "integer",
"default": 0,
"title": "The blockNumber Schema",
"examples": [
0
]
}
},
"examples": [
{
"spcOid": 1663,
"spcName": "pg_default",
"dbOid": 5,
"dbName": "postgres",
"relNumber": 3079,
"relName": "pg_catalog.pg_extension",
"relKind": "r",
"forkName": "main",
"blockNumber": 0
}
]
},
"exclusive": {
"type": "object",
"default": {},
"title": "The exclusive Schema",
"required": [
"totalCalls",
"sleepCount",
"sleepTimeSum",
"maxSleepTime"
],
"properties": {
"totalCalls": {
"type": "integer",
"default": 0,
"title": "The totalCalls Schema",
"examples": [
0
]
},
"sleepCount": {
"type": "integer",
"default": 0,
"title": "The sleepCount Schema",
"examples": [
0
]
},
"sleepTimeSum": {
"type": "string",
"default": "",
"title": "The sleepTimeSum Schema",
"examples": [
"0 nanosec"
]
},
"maxSleepTime": {
"type": "string",
"default": "",
"title": "The maxSleepTime Schema",
"examples": [
"0 nanosec"
]
}
},
"examples": [
{
"totalCalls": 0,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
}
]
},
"shared": {
"type": "object",
"default": {},
"title": "The shared Schema",
"required": [
"totalCalls",
"sleepCount",
"sleepTimeSum",
"maxSleepTime"
],
"properties": {
"totalCalls": {
"type": "integer",
"default": 0,
"title": "The totalCalls Schema",
"examples": [
1
]
},
"sleepCount": {
"type": "integer",
"default": 0,
"title": "The sleepCount Schema",
"examples": [
0
]
},
"sleepTimeSum": {
"type": "string",
"default": "",
"title": "The sleepTimeSum Schema",
"examples": [
"0 nanosec"
]
},
"maxSleepTime": {
"type": "string",
"default": "",
"title": "The maxSleepTime Schema",
"examples": [
"0 nanosec"
]
}
},
"examples": [
{
"totalCalls": 1,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
}
]
}
},
"examples": [
{
"bufferTag": {
"spcOid": 1663,
"spcName": "pg_default",
"dbOid": 5,
"dbName": "postgres",
"relNumber": 3079,
"relName": "pg_catalog.pg_extension",
"relKind": "r",
"forkName": "main",
"blockNumber": 0
},
"exclusive": {
"totalCalls": 0,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
},
"shared": {
"totalCalls": 1,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
}
}
]
},
"examples": [
[
{
"bufferTag": {
"spcOid": 1663,
"spcName": "pg_default",
"dbOid": 5,
"dbName": "postgres",
"relNumber": 3079,
"relName": "pg_catalog.pg_extension",
"relKind": "r",
"forkName": "main",
"blockNumber": 0
},
"exclusive": {
"totalCalls": 0,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
},
"shared": {
"totalCalls": 1,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
}
}
]
]
}
},
"examples": [
{
"node": "ScanState",
"explain": {},
"executeTime": "32256 nanosec",
"LWLockStat": [
{
"bufferTag": {
"spcOid": 1663,
"spcName": "pg_default",
"dbOid": 5,
"dbName": "postgres",
"relNumber": 3079,
"relName": "pg_catalog.pg_extension",
"relKind": "r",
"forkName": "main",
"blockNumber": 0
},
"exclusive": {
"totalCalls": 0,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
},
"shared": {
"totalCalls": 1,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
}
}
]
}
]
},
"examples": [
[
{
"node": "ScanState",
"explain": {},
"executeTime": "32256 nanosec",
"LWLockStat": [
{
"bufferTag": {
"spcOid": 1663,
"spcName": "pg_default",
"dbOid": 5,
"dbName": "postgres",
"relNumber": 3079,
"relName": "pg_catalog.pg_extension",
"relKind": "r",
"forkName": "main",
"blockNumber": 0
},
"exclusive": {
"totalCalls": 0,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
},
"shared": {
"totalCalls": 1,
"sleepCount": 0,
"sleepTimeSum": "0 nanosec",
"maxSleepTime": "0 nanosec"
}
}
]
}
]
]
},
"executionTime": {
"type": "string",
"default": "",
"title": "only plan execution time",
"examples": [
"368208 nanosec"
]
},
"executorNodeStatInPlan": {
"type": "object",
"default": {},
"title": "explain for query with additional stat",
"required": [
"traceData"
],
"properties": {
"traceData": {
"type": "object",
"default": {},
"title": "additional stat",
"required": [
"maxTime",
"totalCalls",
"totalTimeSum"
],
"properties": {
"maxTime": {
"type": "integer",
"default": 0,
"title": "The maxTime Schema",
"examples": [
32256
]
},
"totalCalls": {
"type": "integer",
"default": 0,
"title": "The totalCalls Schema",
"examples": [
3
]
},
"totalTimeSum": {
"type": "integer",
"default": 0,
"title": "The totalTimeSum Schema",
"examples": [
32980
]
}
},
"examples": [
{
"maxTime": 32256,
"totalCalls": 3,
"totalTimeSum": 32980
}
]
}
},
"examples": [
{
"traceData": {
"maxTime": 32256,
"totalCalls": 3,
"totalTimeSum": 32980
}
}
]
},
"exprNodeStat": {
"type": "array",
"default": [],
"title": "statistic for expressions",
"items": {
"type": "object",
"default": {},
"title": "statistic for expression",
"required": [
"node",
"totalCalls",
"totalTimeSum",
"maxTime"
],
"properties": {
"node": {
"type": "string",
"default": "",
"title": "The node Schema",
"examples": [
""
]
},
"totalCalls": {
"type": "integer",
"default": 0,
"title": "The totalCalls Schema",
"examples": [
123
]
},
"totalTimeSum": {
"type": "string",
"default": "",
"title": "The totalTimeSum Schema",
"examples": [
"10000 nanosec"
]
},
"maxTime": {
"type": "string",
"default": "",
"title": "The maxTime Schema",
"examples": [
"1000 nanosec"
]
}
},
"examples": [
{
"node": "",
"totalCalls": 123,
"totalTimeSum": "10000 nanosec",
"maxTime": "1000 nanosec"
}
]
},
"examples": [
[]
]
},
"locksInsidePortalRun": {
"type": "array",
"default": [],
"title": "LWLocks on shared buffers stat during PortalRun",
"items": {
"type": "object",
"default": {},
"title": "A Schema",
"required": [
"bufferTag",
"exclusive",
"shared"
],
"properties": {
"bufferTag": {
"type": "object",
"default": {},
"title": "The bufferTag Schema",
"required": [
"spcOid",
"spcName",
"dbOid",
"dbName",
"relNumber",
"relName",
"relKind",
"forkName",
"blockNumber"
],
"properties": {
"spcOid": {
"type": "integer",
"default": 0,
"title": "The spcOid Schema",
"examples": [
1663
]
},
"spcName": {
"type": "string",
"default": "",
"title": "The spcName Schema",
"examples": [
"pg_default"
]
},
"dbOid": {
"type": "integer",
"default": 0,
"title": "The dbOid Schema",
"examples": [
5
]
},
"dbName": {
"type": "string",
"default": "",
"title": "The dbName Schema",
"examples": [
"postgres"
]
},
"relNumber": {
"type": "integer",
"default": 0,
"title": "The relNumber Schema",
"examples": [
1249
]
},
"relName": {
"type": "string",
"default": "",
"title": "The relName Schema",
"examples": [
"pg_catalog.pg_attribute"
]