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// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2025 Weaviate B.V. All rights reserved.
//
// CONTACT: hello@weaviate.io
//
package objects
import (
"context"
"fmt"
"time"
"github.com/pkg/errors"
"github.com/weaviate/weaviate/adapters/handlers/rest/filterext"
"github.com/weaviate/weaviate/entities/additional"
"github.com/weaviate/weaviate/entities/classcache"
"github.com/weaviate/weaviate/entities/filters"
"github.com/weaviate/weaviate/entities/models"
"github.com/weaviate/weaviate/entities/schema"
"github.com/weaviate/weaviate/entities/verbosity"
"github.com/weaviate/weaviate/usecases/auth/authorization"
)
// DeleteObjects deletes objects in batch based on the match filter
func (b *BatchManager) DeleteObjects(ctx context.Context, principal *models.Principal,
match *models.BatchDeleteMatch, deletionTimeUnixMilli *int64, dryRun *bool, output *string,
repl *additional.ReplicationProperties, tenant string,
) (*BatchDeleteResponse, error) {
class := "*"
if match != nil {
match.Class, _ = b.resolveAlias(match.Class)
class = match.Class
}
err := b.authorizer.Authorize(ctx, principal, authorization.DELETE, authorization.ShardsData(class, tenant)...)
if err != nil {
return nil, err
}
ctx = classcache.ContextWithClassCache(ctx)
b.metrics.BatchDeleteInc()
defer b.metrics.BatchDeleteDec()
return b.deleteObjects(ctx, principal, match, deletionTimeUnixMilli, dryRun, output, repl, tenant)
}
// DeleteObjectsFromGRPCAfterAuth deletes objects in batch based on the match filter
func (b *BatchManager) DeleteObjectsFromGRPCAfterAuth(ctx context.Context, principal *models.Principal,
params BatchDeleteParams,
repl *additional.ReplicationProperties, tenant string,
) (BatchDeleteResult, error) {
b.metrics.BatchDeleteInc()
defer b.metrics.BatchDeleteDec()
deletionTime := time.UnixMilli(b.timeSource.Now())
return b.vectorRepo.BatchDeleteObjects(ctx, params, deletionTime, repl, tenant, 0)
}
func (b *BatchManager) deleteObjects(ctx context.Context, principal *models.Principal,
match *models.BatchDeleteMatch, deletionTimeUnixMilli *int64, dryRun *bool, output *string,
repl *additional.ReplicationProperties, tenant string,
) (*BatchDeleteResponse, error) {
params, schemaVersion, err := b.validateBatchDelete(ctx, principal, match, dryRun, output)
if err != nil {
return nil, errors.Wrap(err, "validate")
}
// Ensure that the local schema has caught up to the version we used to validate
if err := b.schemaManager.WaitForUpdate(ctx, schemaVersion); err != nil {
return nil, fmt.Errorf("error waiting for local schema to catch up to version %d: %w", schemaVersion, err)
}
var deletionTime time.Time
if deletionTimeUnixMilli != nil {
deletionTime = time.UnixMilli(*deletionTimeUnixMilli)
}
result, err := b.vectorRepo.BatchDeleteObjects(ctx, *params, deletionTime, repl, tenant, schemaVersion)
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,
DeletionTime: result.DeletionTime,
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, uint64, error) {
if match == nil {
return nil, 0, errors.New("empty match clause")
}
if len(match.Class) == 0 {
return nil, 0, errors.New("empty match.class clause")
}
if match.Where == nil {
return nil, 0, errors.New("empty match.where clause")
}
// Validate schema given in body with the weaviate schema
vclasses, err := b.schemaManager.GetCachedClass(ctx, principal, match.Class)
if err != nil {
return nil, 0, fmt.Errorf("failed to get class: %s: %w", match.Class, err)
}
if vclasses[match.Class].Class == nil {
return nil, 0, fmt.Errorf("failed to get class: %s", match.Class)
}
class := vclasses[match.Class].Class
filter, err := filterext.Parse(match.Where, class.Class)
if err != nil {
return nil, 0, fmt.Errorf("failed to parse where filter: %w", err)
}
err = filters.ValidateFilters(b.classGetterFunc(ctx, principal), filter)
if err != nil {
return nil, 0, fmt.Errorf("invalid where filter: %w", err)
}
dryRunParam := false
if dryRun != nil {
dryRunParam = *dryRun
}
outputParam, err := verbosity.ParseOutput(output)
if err != nil {
return nil, 0, err
}
params := &BatchDeleteParams{
ClassName: schema.ClassName(class.Class),
Filters: filter,
DryRun: dryRunParam,
Output: outputParam,
}
return params, vclasses[match.Class].Version, nil
}
func (b *BatchManager) classGetterFunc(ctx context.Context, principal *models.Principal) func(string) (*models.Class, error) {
return func(name string) (*models.Class, error) {
if err := b.authorizer.Authorize(ctx, principal, authorization.READ, authorization.Collections(name)...); err != nil {
return nil, err
}
class := b.schemaManager.ReadOnlyClass(name)
if class == nil {
return nil, fmt.Errorf("could not find class %s in schema", name)
}
return class, nil
}
}
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