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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package objects
import (
"context"
"errors"
"fmt"
"github.com/weaviate/weaviate/adapters/handlers/rest/filterext"
"github.com/weaviate/weaviate/entities/additional"
"github.com/weaviate/weaviate/entities/filters"
"github.com/weaviate/weaviate/entities/models"
"github.com/weaviate/weaviate/entities/schema"
"github.com/weaviate/weaviate/entities/verbosity"
)
// DeleteObjects deletes objects in batch based on the match filter
func (b *BatchManager) DeleteObjects(ctx context.Context, principal *models.Principal,
match *models.BatchDeleteMatch, dryRun *bool, output *string,
repl *additional.ReplicationProperties, tenant string,
) (*BatchDeleteResponse, error) {
err := b.authorizer.Authorize(principal, "delete", "batch/objects")
if err != nil {
return nil, err
}
unlock, err := b.locks.LockConnector()
if err != nil {
return nil, NewErrInternal("could not acquire lock: %v", err)
}
defer unlock()
b.metrics.BatchDeleteInc()
defer b.metrics.BatchDeleteDec()
return b.deleteObjects(ctx, principal, match, dryRun, output, repl, tenant)
}
// DeleteObjectsFromGRPC deletes objects in batch based on the match filter
func (b *BatchManager) DeleteObjectsFromGRPC(ctx context.Context, principal *models.Principal,
params BatchDeleteParams,
repl *additional.ReplicationProperties, tenant string,
) (BatchDeleteResult, error) {
err := b.authorizer.Authorize(principal, "delete", "batch/objects")
if err != nil {
return BatchDeleteResult{}, err
}
unlock, err := b.locks.LockConnector()
if err != nil {
return BatchDeleteResult{}, NewErrInternal("could not acquire lock: %v", err)
}
defer unlock()
b.metrics.BatchDeleteInc()
defer b.metrics.BatchDeleteDec()
return b.vectorRepo.BatchDeleteObjects(ctx, params, repl, tenant)
}
func (b *BatchManager) deleteObjects(ctx context.Context, principal *models.Principal,
match *models.BatchDeleteMatch, dryRun *bool, output *string,
repl *additional.ReplicationProperties, tenant string,
) (*BatchDeleteResponse, error) {
params, err := b.validateBatchDelete(ctx, principal, match, dryRun, output)
if err != nil {
return nil, NewErrInvalidUserInput("validate: %v", err)
}
result, err := b.vectorRepo.BatchDeleteObjects(ctx, *params, repl, tenant)
if err != nil {
return nil, fmt.Errorf("batch delete objects: %w", err)
}
return b.toResponse(match, params.Output, result)
}
func (b *BatchManager) toResponse(match *models.BatchDeleteMatch, output string,
result BatchDeleteResult,
) (*BatchDeleteResponse, error) {
response := &BatchDeleteResponse{
Match: match,
Output: output,
DryRun: result.DryRun,
Result: BatchDeleteResult{
Matches: result.Matches,
Limit: result.Limit,
Objects: result.Objects,
},
}
return response, nil
}
func (b *BatchManager) validateBatchDelete(ctx context.Context, principal *models.Principal,
match *models.BatchDeleteMatch, dryRun *bool, output *string,
) (*BatchDeleteParams, error) {
if match == nil {
return nil, errors.New("empty match clause")
}
if len(match.Class) == 0 {
return nil, errors.New("empty match.class clause")
}
if match.Where == nil {
return nil, errors.New("empty match.where clause")
}
// Validate schema given in body with the weaviate schema
s, err := b.schemaManager.GetSchema(principal)
if err != nil {
return nil, fmt.Errorf("failed to get schema: %s", err)
}
class := s.FindClassByName(schema.ClassName(match.Class))
if class == nil {
return nil, fmt.Errorf("class: %v doesn't exist", match.Class)
}
filter, err := filterext.Parse(match.Where, class.Class)
if err != nil {
return nil, fmt.Errorf("failed to parse where filter: %s", err)
}
err = filters.ValidateFilters(s, filter)
if err != nil {
return nil, fmt.Errorf("invalid where filter: %s", err)
}
dryRunParam := false
if dryRun != nil {
dryRunParam = *dryRun
}
outputParam, err := verbosity.ParseOutput(output)
if err != nil {
return nil, err
}
params := &BatchDeleteParams{
ClassName: schema.ClassName(class.Class),
Filters: filter,
DryRun: dryRunParam,
Output: outputParam,
}
return params, nil
}
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