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// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2025 Weaviate B.V. All rights reserved.
//
// CONTACT: hello@weaviate.io
//
package schema
import (
"encoding/json"
"fmt"
cmd "github.com/weaviate/weaviate/cluster/proto/api"
)
func (sm *SchemaManager) QueryReadOnlyClasses(req *cmd.QueryRequest) ([]byte, error) {
// Validate that the subcommand is the correct type
subCommand := cmd.QueryReadOnlyClassesRequest{}
if err := json.Unmarshal(req.SubCommand, &subCommand); err != nil {
return []byte{}, fmt.Errorf("%w: %w", ErrBadRequest, err)
}
// Read the meta class to get both the class and sharding information
vclasses := sm.schema.ReadOnlyClasses(subCommand.Classes...)
if len(vclasses) == 0 {
return []byte{}, nil
}
// Build the response, marshal and return
response := cmd.QueryReadOnlyClassResponse{
Classes: vclasses,
}
payload, err := json.Marshal(&response)
if err != nil {
return []byte{}, fmt.Errorf("could not marshal query response: %w", err)
}
return payload, nil
}
func (sm *SchemaManager) QuerySchema() ([]byte, error) {
// Build the response, marshal and return
response := cmd.QuerySchemaResponse{Schema: sm.schema.ReadOnlySchema()}
payload, err := json.Marshal(&response)
if err != nil {
return []byte{}, fmt.Errorf("could not marshal query response: %w", err)
}
return payload, nil
}
func (sm *SchemaManager) QueryCollectionsCount() ([]byte, error) {
// Build the response, marshal and return
response := cmd.QueryCollectionsCountResponse{Count: sm.schema.CollectionsCount()}
payload, err := json.Marshal(&response)
if err != nil {
return []byte{}, fmt.Errorf("could not marshal query response: %w", err)
}
return payload, nil
}
func (sm *SchemaManager) QueryTenants(req *cmd.QueryRequest) ([]byte, error) {
// Validate that the subcommand is the correct type
subCommand := cmd.QueryTenantsRequest{}
if err := json.Unmarshal(req.SubCommand, &subCommand); err != nil {
return []byte{}, fmt.Errorf("%w: %w", ErrBadRequest, err)
}
// Read the tenants
tenants, err := sm.schema.getTenants(subCommand.Class, subCommand.Tenants)
if err != nil {
return []byte{}, fmt.Errorf("could not get tenants: %w", err)
}
// Build the response, marshal and return
response := cmd.QueryTenantsResponse{Tenants: tenants}
payload, err := json.Marshal(&response)
if err != nil {
return []byte{}, fmt.Errorf("could not marshal query response: %w", err)
}
return payload, nil
}
func (sm *SchemaManager) QueryShardOwner(req *cmd.QueryRequest) ([]byte, error) {
// Validate that the subcommand is the correct type
subCommand := cmd.QueryShardOwnerRequest{}
if err := json.Unmarshal(req.SubCommand, &subCommand); err != nil {
return []byte{}, fmt.Errorf("%w: %w", ErrBadRequest, err)
}
// Read the meta class to get both the class and sharding information
owner, version, err := sm.schema.ShardOwner(subCommand.Class, subCommand.Shard)
if err != nil {
return []byte{}, err
}
// Build the response, marshal and return
response := cmd.QueryShardOwnerResponse{ShardVersion: version, Owner: owner}
payload, err := json.Marshal(&response)
if err != nil {
return []byte{}, fmt.Errorf("could not marshal query response: %w", err)
}
return payload, nil
}
func (sm *SchemaManager) QueryTenantsShards(req *cmd.QueryRequest) ([]byte, error) {
// Validate that the subcommand is the correct type
subCommand := cmd.QueryTenantsShardsRequest{}
if err := json.Unmarshal(req.SubCommand, &subCommand); err != nil {
return []byte{}, fmt.Errorf("%w: %w", ErrBadRequest, err)
}
// Read the meta class to get both the class and sharding information
tenants, version := sm.schema.TenantsShards(subCommand.Class, subCommand.Tenants...)
// Build the response, marshal and return
response := cmd.QueryTenantsShardsResponse{TenantsActivityStatus: tenants, SchemaVersion: version}
payload, err := json.Marshal(&response)
if err != nil {
return []byte{}, fmt.Errorf("could not marshal query response: %w", err)
}
return payload, nil
}
func (sm *SchemaManager) QueryShardingState(req *cmd.QueryRequest) ([]byte, error) {
// Validate that the subcommand is the correct type
subCommand := cmd.QueryShardingStateRequest{}
if err := json.Unmarshal(req.SubCommand, &subCommand); err != nil {
return []byte{}, fmt.Errorf("%w: %w", ErrBadRequest, err)
}
state, version := sm.schema.CopyShardingState(subCommand.Class)
// Build the response, marshal and return
response := cmd.QueryShardingStateResponse{State: state, Version: version}
payload, err := json.Marshal(&response)
if err != nil {
return []byte{}, fmt.Errorf("could not marshal query response: %w", err)
}
return payload, nil
}
// QueryClassVersions returns the versions of the requested classes
func (sm *SchemaManager) QueryClassVersions(req *cmd.QueryRequest) ([]byte, error) {
// Validate that the subcommand is the correct type
subCommand := cmd.QueryClassVersionsRequest{}
if err := json.Unmarshal(req.SubCommand, &subCommand); err != nil {
return []byte{}, fmt.Errorf("%w: %w", ErrBadRequest, err)
}
// Read the meta class to get the class version
vclasses := sm.schema.ReadOnlyClasses(subCommand.Classes...)
if len(vclasses) == 0 {
return []byte{}, nil
}
// Build the response, marshal and return
classVersions := make(map[string]uint64, len(vclasses))
for _, vclass := range vclasses {
classVersions[vclass.Class.Class] = vclass.Version
}
response := cmd.QueryClassVersionsResponse{
Classes: classVersions,
}
payload, err := json.Marshal(&response)
if err != nil {
return []byte{}, fmt.Errorf("could not marshal query response: %w", err)
}
return payload, nil
}
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