Function EncodeInvertedIndexKeys

pkg/util/tsearch/encoding.go:456–465

EncodeInvertedIndexKeys returns a slice of byte slices, one per inverted index key for the terms in this tsvector.

(inKey []byte, vector TSVector)

// EncodeInvertedIndexKeys returns a slice of byte slices, one per inverted
// index key for the terms in this tsvector.
func EncodeInvertedIndexKeys(inKey []byte, vector TSVector) ([][]byte, error) {
	outKeys := make([][]byte, 0, len(vector))
	// Note that by construction, TSVector contains only unique terms, so we don't
	// need to de-duplicate terms when constructing the inverted index keys.
	for i := range vector {
		newKey := EncodeInvertedIndexKey(inKey, vector[i].lexeme)
		outKeys = append(outKeys, newKey)
	}
	return outKeys, nil
}

// EncodeInvertedIndexKey returns the inverted index key for the input lexeme.
func EncodeInvertedIndexKey(inKey []byte, lexeme string) []byte {