Interface: PlanNode

Defined in: src/observability/QueryPlanAnalyzer.ts:10

A single node extracted from the query plan tree (PostgreSQL JSON format).

Properties

type

type: string

Defined in: src/observability/QueryPlanAnalyzer.ts:12

Node type e.g. "Seq Scan", "Index Scan", "Hash Join", "Nested Loop"

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relation?

optional relation?: string

Defined in: src/observability/QueryPlanAnalyzer.ts:14

Relation (table) name, if applicable

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startupCost

startupCost: number

Defined in: src/observability/QueryPlanAnalyzer.ts:16

Planner estimated startup cost

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totalCost

totalCost: number

Defined in: src/observability/QueryPlanAnalyzer.ts:18

Planner estimated total cost

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planRows

planRows: number

Defined in: src/observability/QueryPlanAnalyzer.ts:20

Planner estimated row count

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actualRows?

optional actualRows?: number

Defined in: src/observability/QueryPlanAnalyzer.ts:22

Actual row count returned at runtime (ANALYZE mode only)

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actualTimeMs?

optional actualTimeMs?: number

Defined in: src/observability/QueryPlanAnalyzer.ts:24

Actual total loop time in ms (ANALYZE mode only)

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indexName?

optional indexName?: string

Defined in: src/observability/QueryPlanAnalyzer.ts:26

Index name used by this node, if any

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children

children: PlanNode[]

Defined in: src/observability/QueryPlanAnalyzer.ts:28

Child plan nodes