index

package

v1.0.19 Latest Latest Go to latest Published: Jun 15, 2025 License: Apache-2.0 Imports: 2 Imported by: 0

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type Condition struct {
	Field    string
	Operator string
	Value    any
}

Condition represents a query condition (moved from query package to avoid circular dependency)

type RequiredKeys struct {
	PartitionKey string
	SortKey      string
	SortKeyOp    string // "=", "begins_with", "between", etc.
}

RequiredKeys represents the keys needed by a query

func AnalyzeConditions(conditions []Condition) RequiredKeys

AnalyzeConditions analyzes query conditions to determine key requirements

type Selector struct {
	// contains filtered or unexported fields
}

Selector helps select the optimal index for a query

func NewSelector(indexes []core.IndexSchema) *Selector

NewSelector creates a new index selector

func (s *Selector) SelectOptimal(required RequiredKeys, conditions []any) (*core.IndexSchema, error)

SelectOptimal selects the best index for the given query requirements