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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package filters
const (
// LimitFlagSearchByDist indicates that the
// vector search should be conducted by
// distance, without limit
LimitFlagSearchByDist int = iota - 2
// LimitFlagNotSet indicates that no limit
// was provided by the client
LimitFlagNotSet
)
type Pagination struct {
Offset int
Limit int
Autocut int
}
// ExtractPaginationFromArgs gets the limit key out of a map. Not specific to
// GQL, but can be used from GQL
func ExtractPaginationFromArgs(args map[string]interface{}) (*Pagination, error) {
offset, offsetOk := args["offset"]
if !offsetOk {
offset = 0
}
limit, limitOk := args["limit"]
if !limitOk || limit.(int) < 0 {
limit = LimitFlagNotSet
}
autocut, autocutOk := args["autocut"]
if !autocutOk {
autocut = 0 // disabled
}
if !offsetOk && !limitOk && !autocutOk {
return nil, nil
}
return &Pagination{
Offset: offset.(int),
Limit: limit.(int),
Autocut: autocut.(int),
}, nil
}
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