github.com/weaviate/weaviate@v1.24.6/entities/schema/nested_properties.go (about)

     1  //                           _       _
     2  // __      _____  __ ___   ___  __ _| |_ ___
     3  // \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
     4  //  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
     5  //   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
     6  //
     7  //  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
     8  //
     9  //  CONTACT: hello@weaviate.io
    10  //
    11  
    12  package schema
    13  
    14  import "github.com/weaviate/weaviate/entities/models"
    15  
    16  // merges nPropsExt with nPropsBase
    17  // returns new slice without changing input ones
    18  // and bool indicating whether there was changes done comparing to base slice
    19  func MergeRecursivelyNestedProperties(nPropsBase, nPropsExt []*models.NestedProperty,
    20  ) ([]*models.NestedProperty, bool) {
    21  	merged := false
    22  	nProps := make([]*models.NestedProperty, len(nPropsBase), len(nPropsBase)+len(nPropsExt))
    23  	copy(nProps, nPropsBase)
    24  
    25  	existingIndexMap := map[string]int{}
    26  	for index := range nProps {
    27  		existingIndexMap[nProps[index].Name] = index
    28  	}
    29  
    30  	for _, nProp := range nPropsExt {
    31  		index, exists := existingIndexMap[nProp.Name]
    32  		if !exists {
    33  			existingIndexMap[nProp.Name] = len(nProps)
    34  			nProps = append(nProps, nProp)
    35  			merged = true
    36  		} else if _, isNested := AsNested(nProps[index].DataType); isNested {
    37  			if mergedProps, mergedNested := MergeRecursivelyNestedProperties(nProps[index].NestedProperties,
    38  				nProp.NestedProperties,
    39  			); mergedNested {
    40  				nPropCopy := *nProps[index]
    41  				nProps[index] = &nPropCopy
    42  				nProps[index].NestedProperties = mergedProps
    43  				merged = true
    44  			}
    45  		}
    46  	}
    47  
    48  	return nProps, merged
    49  }