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// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2025 Weaviate B.V. All rights reserved.
//
// CONTACT: hello@weaviate.io
//
package modelsext
import "github.com/weaviate/weaviate/entities/models"
// DefaultNamedVectorName is a default vector named used to create a named vector or to allow access
// to legacy vector through named vector API.
const DefaultNamedVectorName = "default"
// ClassHasLegacyVectorIndex checks whether there is a legacy index configured on a class.
func ClassHasLegacyVectorIndex(class *models.Class) bool {
return class.Vectorizer != "" || class.VectorIndexConfig != nil || class.VectorIndexType != ""
}
// ClassGetVectorConfig returns the vector config for a given class and target vector.
// There is a special case for the default vector name, which is used to access the legacy vector.
func ClassGetVectorConfig(class *models.Class, targetVector string) (models.VectorConfig, bool) {
if cfg, ok := class.VectorConfig[targetVector]; ok {
return cfg, ok
}
if (ClassHasLegacyVectorIndex(class) && targetVector == DefaultNamedVectorName) || targetVector == "" {
return models.VectorConfig{
VectorIndexConfig: class.VectorIndexConfig,
VectorIndexType: class.VectorIndexType,
Vectorizer: class.Vectorizer,
}, true
}
return models.VectorConfig{}, false
}
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