46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package main
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import (
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"context"
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"fmt"
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selectionqueries "visualizador_instanciados/backend_go/selection_queries"
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)
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func runSelectionQuery(
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ctx context.Context,
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sparql *AnzoGraphClient,
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snapshot GraphResponse,
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queryID string,
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selectedIDs []uint32,
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includeBNodes bool,
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) (selectionqueries.Result, error) {
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def, ok := selectionqueries.Get(queryID)
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if !ok {
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return selectionqueries.Result{}, fmt.Errorf("unknown query_id: %s", queryID)
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}
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idToNode := make(map[uint32]selectionqueries.NodeRef, len(snapshot.Nodes))
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keyToID := make(map[string]uint32, len(snapshot.Nodes))
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predicateIDByIRI := make(map[string]uint32)
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for _, n := range snapshot.Nodes {
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nr := selectionqueries.NodeRef{ID: n.ID, TermType: n.TermType, IRI: n.IRI}
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idToNode[n.ID] = nr
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keyToID[n.TermType+"\x00"+n.IRI] = n.ID
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}
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if snapshot.Meta != nil {
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for predID, iri := range snapshot.Meta.Predicates {
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if iri == "" {
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continue
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}
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predicateIDByIRI[iri] = uint32(predID)
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}
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}
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return def.Run(ctx, sparql, selectionqueries.Index{
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IDToNode: idToNode,
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KeyToID: keyToID,
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PredicateIDByIRI: predicateIDByIRI,
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}, selectedIDs, includeBNodes)
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}
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