package
0.0.0-20240109202931-c3698107e7fb
Repository: https://github.com/atomicleads/pggen.git
Documentation: pkg.go.dev
# Functions
ExplainQuery executes an explain query and parses the plan.
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# Constants
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ParentRelationshipInitPlan is calculations performed before query starts executing.
ParentRelationshipInner is only (but always) on second child of join operations.
ParentRelationshipMember is for all children of Append and ModifyTable nodes.
ParentRelationshipNone means this node is a top-level node.
ParentRelationshipOuter is the most common node.
ParentRelationshipSubPlan is like a Subquery, represents a new query, but used when a subquery scan is not necessary.
ParentRelationshipSubquery means the node is a subquery of a parent node.
StrategyHashed is a for grouped agg and SetOp, uses internal hashtable.
StrategyMixed is a grouped agg, hash and sort both used.
StrategyPlain is a simple agg across all input rows.
StrategySorted is a for grouped agg and SetOp, input must be sorted.
StrategyUnknown is a for unknown aggregates.
# Structs
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Plan nodes "derive" from the Plan structure by having the Plan structure as the first field.
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# Interfaces
Node is the super-type of all Postgres plan nodes.
# Type aliases
NodeKind is the top-level node plan type that Postgres plans for executing query.
Operation for a ModifyTable node.
ParentRelationship describes why this operation needs to be run in order to facilitate the parent operation.
Strategy determines overall execution strategies for Agg plan nodes and SetOp nodes.