Files
signoz/pkg/statementbuilder/auditstatementbuilder/statement_builder.go
Tushar Vats e9a931788c chore(statementbuilder): log key adjustment actions at debug level (#12337)
These fired at info on every query build across the audit, logs and traces
builders. The behavior is settled, so drop them to debug and remove the
TODOs that asked for exactly this.
2026-07-29 14:37:09 +00:00

636 lines
20 KiB
Go

package auditstatementbuilder
import (
"context"
"fmt"
"log/slog"
"strings"
"github.com/SigNoz/signoz/pkg/errors"
"github.com/SigNoz/signoz/pkg/factory"
"github.com/SigNoz/signoz/pkg/flagger"
"github.com/SigNoz/signoz/pkg/querybuilder"
"github.com/SigNoz/signoz/pkg/statementbuilder"
"github.com/SigNoz/signoz/pkg/statementbuilder/resourcefilter"
"github.com/SigNoz/signoz/pkg/telemetryschema/audittelemetryschema"
qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
"github.com/SigNoz/signoz/pkg/valuer"
"github.com/huandu/go-sqlbuilder"
)
type auditQueryStatementBuilder struct {
logger *slog.Logger
metadataStore telemetrytypes.MetadataStore
fm qbtypes.FieldMapper
cb qbtypes.ConditionBuilder
resourceFilterStmtBuilder qbtypes.StatementBuilder[qbtypes.LogAggregation]
aggExprRewriter qbtypes.AggExprRewriter
fullTextColumn *telemetrytypes.TelemetryFieldKey
}
var _ qbtypes.StatementBuilder[qbtypes.LogAggregation] = (*auditQueryStatementBuilder)(nil)
// NewFactory returns a provider factory for the audit statement builder. Its New
// internalizes the FieldMapper, ConditionBuilder, and AggExprRewriter.
func NewFactory(
metadataStore telemetrytypes.MetadataStore,
fl flagger.Flagger,
) factory.ProviderFactory[qbtypes.StatementBuilder[qbtypes.LogAggregation], statementbuilder.Config] {
return factory.NewProviderFactory(
factory.MustNewName("audit"),
func(_ context.Context, settings factory.ProviderSettings, _ statementbuilder.Config) (qbtypes.StatementBuilder[qbtypes.LogAggregation], error) {
fm := audittelemetryschema.NewFieldMapper()
cb := audittelemetryschema.NewConditionBuilder(fm)
aggExprRewriter := querybuilder.NewAggExprRewriter(settings, audittelemetryschema.DefaultFullTextColumn, fm, cb, fl)
return NewAuditQueryStatementBuilder(
settings, metadataStore, fm, cb, aggExprRewriter, audittelemetryschema.DefaultFullTextColumn, fl,
), nil
},
)
}
func NewAuditQueryStatementBuilder(
settings factory.ProviderSettings,
metadataStore telemetrytypes.MetadataStore,
fieldMapper qbtypes.FieldMapper,
conditionBuilder qbtypes.ConditionBuilder,
aggExprRewriter qbtypes.AggExprRewriter,
fullTextColumn *telemetrytypes.TelemetryFieldKey,
flagger flagger.Flagger,
) *auditQueryStatementBuilder {
auditSettings := factory.NewScopedProviderSettings(settings, "github.com/SigNoz/signoz/pkg/telemetryschema/audittelemetryschema")
resourceFilterStmtBuilder := resourcefilter.New[qbtypes.LogAggregation](
settings,
audittelemetryschema.DBName,
audittelemetryschema.LogsResourceTableName,
telemetrytypes.SignalLogs,
telemetrytypes.SourceAudit,
metadataStore,
fullTextColumn,
flagger,
)
return &auditQueryStatementBuilder{
logger: auditSettings.Logger(),
metadataStore: metadataStore,
fm: fieldMapper,
cb: conditionBuilder,
resourceFilterStmtBuilder: resourceFilterStmtBuilder,
aggExprRewriter: aggExprRewriter,
fullTextColumn: fullTextColumn,
}
}
func (b *auditQueryStatementBuilder) Build(
ctx context.Context,
orgID valuer.UUID,
start uint64,
end uint64,
requestType qbtypes.RequestType,
query qbtypes.QueryBuilderQuery[qbtypes.LogAggregation],
variables map[string]qbtypes.VariableItem,
) (*qbtypes.Statement, error) {
start = querybuilder.ToNanoSecs(start)
end = querybuilder.ToNanoSecs(end)
keySelectors := getKeySelectors(query)
keys, _, err := b.metadataStore.GetKeysMulti(ctx, orgID, keySelectors)
if err != nil {
return nil, err
}
query = b.adjustKeys(ctx, keys, query, requestType)
q := sqlbuilder.NewSelectBuilder()
var stmt *qbtypes.Statement
switch requestType {
case qbtypes.RequestTypeRaw, qbtypes.RequestTypeRawStream:
stmt, err = b.buildListQuery(ctx, orgID, q, query, start, end, keys, variables)
case qbtypes.RequestTypeTimeSeries:
stmt, err = b.buildTimeSeriesQuery(ctx, orgID, q, query, start, end, keys, variables)
case qbtypes.RequestTypeScalar:
stmt, err = b.buildScalarQuery(ctx, orgID, q, query, start, end, keys, false, variables)
default:
return nil, errors.NewInvalidInputf(errors.CodeInvalidInput, "unsupported request type: %s", requestType)
}
if err != nil {
return nil, err
}
return stmt, nil
}
func getKeySelectors(query qbtypes.QueryBuilderQuery[qbtypes.LogAggregation]) []*telemetrytypes.FieldKeySelector {
var keySelectors []*telemetrytypes.FieldKeySelector
for idx := range query.Aggregations {
aggExpr := query.Aggregations[idx]
selectors := querybuilder.QueryStringToKeysSelectors(aggExpr.Expression)
keySelectors = append(keySelectors, selectors...)
}
if query.Filter != nil && query.Filter.Expression != "" {
whereClauseSelectors := querybuilder.QueryStringToKeysSelectors(query.Filter.Expression)
keySelectors = append(keySelectors, whereClauseSelectors...)
}
for idx := range query.GroupBy {
groupBy := query.GroupBy[idx]
keySelectors = append(keySelectors, &telemetrytypes.FieldKeySelector{
Name: groupBy.Name,
Signal: telemetrytypes.SignalLogs,
FieldContext: groupBy.FieldContext,
FieldDataType: groupBy.FieldDataType,
})
}
for idx := range query.SelectFields {
selectField := query.SelectFields[idx]
keySelectors = append(keySelectors, &telemetrytypes.FieldKeySelector{
Name: selectField.Name,
Signal: telemetrytypes.SignalLogs,
FieldContext: selectField.FieldContext,
FieldDataType: selectField.FieldDataType,
})
}
for idx := range query.Order {
keySelectors = append(keySelectors, &telemetrytypes.FieldKeySelector{
Name: query.Order[idx].Key.Name,
Signal: telemetrytypes.SignalLogs,
FieldContext: query.Order[idx].Key.FieldContext,
FieldDataType: query.Order[idx].Key.FieldDataType,
})
}
for idx := range keySelectors {
keySelectors[idx].Signal = telemetrytypes.SignalLogs
keySelectors[idx].Source = telemetrytypes.SourceAudit
keySelectors[idx].SelectorMatchType = telemetrytypes.FieldSelectorMatchTypeExact
}
return keySelectors
}
func (b *auditQueryStatementBuilder) adjustKeys(ctx context.Context, keys map[string][]*telemetrytypes.TelemetryFieldKey, query qbtypes.QueryBuilderQuery[qbtypes.LogAggregation], requestType qbtypes.RequestType) qbtypes.QueryBuilderQuery[qbtypes.LogAggregation] {
keys["id"] = append([]*telemetrytypes.TelemetryFieldKey{{
Name: "id",
Signal: telemetrytypes.SignalLogs,
FieldContext: telemetrytypes.FieldContextLog,
FieldDataType: telemetrytypes.FieldDataTypeString,
}}, keys["id"]...)
keys["timestamp"] = append([]*telemetrytypes.TelemetryFieldKey{{
Name: "timestamp",
Signal: telemetrytypes.SignalLogs,
FieldContext: telemetrytypes.FieldContextLog,
FieldDataType: telemetrytypes.FieldDataTypeNumber,
}}, keys["timestamp"]...)
actions := querybuilder.AdjustKeysForAliasExpressions(&query, requestType)
actions = append(actions, querybuilder.AdjustDuplicateKeys(&query)...)
for idx := range query.SelectFields {
actions = append(actions, b.adjustKey(&query.SelectFields[idx], keys)...)
}
for idx := range query.GroupBy {
actions = append(actions, b.adjustKey(&query.GroupBy[idx].TelemetryFieldKey, keys)...)
}
for idx := range query.Order {
actions = append(actions, b.adjustKey(&query.Order[idx].Key.TelemetryFieldKey, keys)...)
}
for _, action := range actions {
b.logger.DebugContext(ctx, "key adjustment action", slog.String("action", action))
}
return query
}
func (b *auditQueryStatementBuilder) adjustKey(key *telemetrytypes.TelemetryFieldKey, keys map[string][]*telemetrytypes.TelemetryFieldKey) []string {
if _, ok := audittelemetryschema.IntrinsicFields[key.Name]; ok {
intrinsicField := audittelemetryschema.IntrinsicFields[key.Name]
return querybuilder.AdjustKey(key, keys, &intrinsicField)
}
return querybuilder.AdjustKey(key, keys, nil)
}
func (b *auditQueryStatementBuilder) buildListQuery(
ctx context.Context,
orgID valuer.UUID,
sb *sqlbuilder.SelectBuilder,
query qbtypes.QueryBuilderQuery[qbtypes.LogAggregation],
start, end uint64,
keys map[string][]*telemetrytypes.TelemetryFieldKey,
variables map[string]qbtypes.VariableItem,
) (*qbtypes.Statement, error) {
var (
cteFragments []string
cteArgs [][]any
)
if frag, args, err := b.maybeAttachResourceFilter(ctx, orgID, sb, query, start, end, variables); err != nil {
return nil, err
} else if frag != "" {
cteFragments = append(cteFragments, frag)
cteArgs = append(cteArgs, args)
}
sb.Select(audittelemetryschema.TimestampColumn)
sb.SelectMore(audittelemetryschema.IDColumn)
if len(query.SelectFields) == 0 {
sb.SelectMore(audittelemetryschema.TraceIDColumn)
sb.SelectMore(audittelemetryschema.SpanIDColumn)
sb.SelectMore(audittelemetryschema.TraceFlagsColumn)
sb.SelectMore(audittelemetryschema.SeverityTextColumn)
sb.SelectMore(audittelemetryschema.SeverityNumberColumn)
sb.SelectMore(audittelemetryschema.ScopeNameColumn)
sb.SelectMore(audittelemetryschema.ScopeVersionColumn)
sb.SelectMore(audittelemetryschema.BodyColumn)
sb.SelectMore(audittelemetryschema.EventNameColumn)
sb.SelectMore(audittelemetryschema.AttributesStringColumn)
sb.SelectMore(audittelemetryschema.AttributesNumberColumn)
sb.SelectMore(audittelemetryschema.AttributesBoolColumn)
sb.SelectMore(audittelemetryschema.ResourceColumn)
sb.SelectMore(audittelemetryschema.ScopeStringColumn)
} else {
for index := range query.SelectFields {
if query.SelectFields[index].Name == audittelemetryschema.TimestampColumn || query.SelectFields[index].Name == audittelemetryschema.IDColumn {
continue
}
colExpr, err := b.fm.ColumnExpressionFor(ctx, orgID, start, end, &query.SelectFields[index], telemetrytypes.FieldDataTypeUnspecified, keys)
if err != nil {
return nil, err
}
sb.SelectMore(colExpr)
}
}
sb.From(fmt.Sprintf("%s.%s", audittelemetryschema.DBName, audittelemetryschema.AuditLogsTableName))
preparedWhereClause, err := b.addFilterCondition(ctx, orgID, sb, start, end, query, keys, variables)
if err != nil {
return nil, err
}
for _, orderBy := range query.Order {
colExpr, err := b.fm.ColumnExpressionFor(ctx, orgID, start, end, &orderBy.Key.TelemetryFieldKey, telemetrytypes.FieldDataTypeUnspecified, keys)
if err != nil {
return nil, err
}
sb.OrderBy(fmt.Sprintf("%s %s", colExpr, orderBy.Direction.StringValue()))
}
if query.Limit > 0 {
sb.Limit(query.Limit)
} else {
sb.Limit(100)
}
if query.Offset > 0 {
sb.Offset(query.Offset)
}
mainSQL, mainArgs := sb.BuildWithFlavor(sqlbuilder.ClickHouse)
finalSQL := querybuilder.CombineCTEs(cteFragments) + mainSQL
finalArgs := querybuilder.PrependArgs(cteArgs, mainArgs)
stmt := &qbtypes.Statement{
Query: finalSQL,
Args: finalArgs,
Warnings: preparedWhereClause.Warnings,
WarningsDocURL: preparedWhereClause.WarningsDocURL,
}
return stmt, nil
}
func (b *auditQueryStatementBuilder) buildTimeSeriesQuery(
ctx context.Context,
orgID valuer.UUID,
sb *sqlbuilder.SelectBuilder,
query qbtypes.QueryBuilderQuery[qbtypes.LogAggregation],
start, end uint64,
keys map[string][]*telemetrytypes.TelemetryFieldKey,
variables map[string]qbtypes.VariableItem,
) (*qbtypes.Statement, error) {
var (
cteFragments []string
cteArgs [][]any
)
if frag, args, err := b.maybeAttachResourceFilter(ctx, orgID, sb, query, start, end, variables); err != nil {
return nil, err
} else if frag != "" {
cteFragments = append(cteFragments, frag)
cteArgs = append(cteArgs, args)
}
sb.SelectMore(fmt.Sprintf(
"toStartOfInterval(fromUnixTimestamp64Nano(timestamp), INTERVAL %d SECOND) AS ts",
int64(query.StepInterval.Seconds()),
))
var allGroupByArgs []any
fieldNames := make([]string, 0, len(query.GroupBy))
for _, gb := range query.GroupBy {
expr, err := b.fm.ColumnExpressionFor(ctx, orgID, start, end, &gb.TelemetryFieldKey, telemetrytypes.FieldDataTypeString, keys)
if err != nil {
return nil, err
}
colExpr := fmt.Sprintf("toString(%s) AS `%s`", sqlbuilder.Escape(expr), gb.Name)
sb.SelectMore(colExpr)
fieldNames = append(fieldNames, fmt.Sprintf("`%s`", gb.Name))
}
allAggChArgs := make([]any, 0)
for i, agg := range query.Aggregations {
rewritten, chArgs, err := b.aggExprRewriter.Rewrite(ctx, orgID, start, end, agg.Expression, uint64(query.StepInterval.Seconds()), keys)
if err != nil {
return nil, err
}
allAggChArgs = append(allAggChArgs, chArgs...)
sb.SelectMore(fmt.Sprintf("%s AS __result_%d", rewritten, i))
}
sb.From(fmt.Sprintf("%s.%s", audittelemetryschema.DBName, audittelemetryschema.AuditLogsTableName))
preparedWhereClause, err := b.addFilterCondition(ctx, orgID, sb, start, end, query, keys, variables)
if err != nil {
return nil, err
}
var finalSQL string
var finalArgs []any
if query.Limit > 0 && len(query.GroupBy) > 0 {
cteSB := sqlbuilder.NewSelectBuilder()
cteStmt, err := b.buildScalarQuery(ctx, orgID, cteSB, query, start, end, keys, true, variables)
if err != nil {
return nil, err
}
cteFragments = append(cteFragments, fmt.Sprintf("__limit_cte AS (%s)", cteStmt.Query))
cteArgs = append(cteArgs, cteStmt.Args)
tuple := fmt.Sprintf("(%s)", strings.Join(fieldNames, ", "))
sb.Where(fmt.Sprintf("%s GLOBAL IN (SELECT %s FROM __limit_cte)", tuple, strings.Join(fieldNames, ", ")))
sb.GroupBy("ts")
sb.GroupBy(querybuilder.GroupByKeys(query.GroupBy)...)
if query.Having != nil && query.Having.Expression != "" {
rewriter := querybuilder.NewHavingExpressionRewriter()
rewrittenExpr, err := rewriter.RewriteForLogs(query.Having.Expression, query.Aggregations)
if err != nil {
return nil, err
}
sb.Having(rewrittenExpr)
}
if len(query.Order) != 0 {
for _, orderBy := range query.Order {
_, ok := aggOrderBy(orderBy, query)
if !ok {
sb.OrderBy(fmt.Sprintf("`%s` %s", orderBy.Key.Name, orderBy.Direction.StringValue()))
}
}
sb.OrderBy("ts desc")
}
combinedArgs := append(allGroupByArgs, allAggChArgs...)
mainSQL, mainArgs := sb.BuildWithFlavor(sqlbuilder.ClickHouse, combinedArgs...)
finalSQL = querybuilder.CombineCTEs(cteFragments) + mainSQL
finalArgs = querybuilder.PrependArgs(cteArgs, mainArgs)
} else {
sb.GroupBy("ts")
sb.GroupBy(querybuilder.GroupByKeys(query.GroupBy)...)
if query.Having != nil && query.Having.Expression != "" {
rewriter := querybuilder.NewHavingExpressionRewriter()
rewrittenExpr, err := rewriter.RewriteForLogs(query.Having.Expression, query.Aggregations)
if err != nil {
return nil, err
}
sb.Having(rewrittenExpr)
}
if len(query.Order) != 0 {
for _, orderBy := range query.Order {
_, ok := aggOrderBy(orderBy, query)
if !ok {
sb.OrderBy(fmt.Sprintf("`%s` %s", orderBy.Key.Name, orderBy.Direction.StringValue()))
}
}
sb.OrderBy("ts desc")
}
combinedArgs := append(allGroupByArgs, allAggChArgs...)
mainSQL, mainArgs := sb.BuildWithFlavor(sqlbuilder.ClickHouse, combinedArgs...)
finalSQL = querybuilder.CombineCTEs(cteFragments) + mainSQL
finalArgs = querybuilder.PrependArgs(cteArgs, mainArgs)
}
stmt := &qbtypes.Statement{
Query: finalSQL,
Args: finalArgs,
Warnings: preparedWhereClause.Warnings,
WarningsDocURL: preparedWhereClause.WarningsDocURL,
}
return stmt, nil
}
func (b *auditQueryStatementBuilder) buildScalarQuery(
ctx context.Context,
orgID valuer.UUID,
sb *sqlbuilder.SelectBuilder,
query qbtypes.QueryBuilderQuery[qbtypes.LogAggregation],
start, end uint64,
keys map[string][]*telemetrytypes.TelemetryFieldKey,
skipResourceCTE bool,
variables map[string]qbtypes.VariableItem,
) (*qbtypes.Statement, error) {
var (
cteFragments []string
cteArgs [][]any
)
if frag, args, err := b.maybeAttachResourceFilter(ctx, orgID, sb, query, start, end, variables); err != nil {
return nil, err
} else if frag != "" && !skipResourceCTE {
cteFragments = append(cteFragments, frag)
cteArgs = append(cteArgs, args)
}
allAggChArgs := []any{}
var allGroupByArgs []any
for _, gb := range query.GroupBy {
expr, err := b.fm.ColumnExpressionFor(ctx, orgID, start, end, &gb.TelemetryFieldKey, telemetrytypes.FieldDataTypeString, keys)
if err != nil {
return nil, err
}
colExpr := fmt.Sprintf("toString(%s) AS `%s`", sqlbuilder.Escape(expr), gb.Name)
sb.SelectMore(colExpr)
}
rateInterval := (end - start) / querybuilder.NsToSeconds
if len(query.Aggregations) > 0 {
for idx := range query.Aggregations {
aggExpr := query.Aggregations[idx]
rewritten, chArgs, err := b.aggExprRewriter.Rewrite(ctx, orgID, start, end, aggExpr.Expression, rateInterval, keys)
if err != nil {
return nil, err
}
allAggChArgs = append(allAggChArgs, chArgs...)
sb.SelectMore(fmt.Sprintf("%s AS __result_%d", rewritten, idx))
}
}
sb.From(fmt.Sprintf("%s.%s", audittelemetryschema.DBName, audittelemetryschema.AuditLogsTableName))
preparedWhereClause, err := b.addFilterCondition(ctx, orgID, sb, start, end, query, keys, variables)
if err != nil {
return nil, err
}
sb.GroupBy(querybuilder.GroupByKeys(query.GroupBy)...)
if query.Having != nil && query.Having.Expression != "" {
rewriter := querybuilder.NewHavingExpressionRewriter()
rewrittenExpr, err := rewriter.RewriteForLogs(query.Having.Expression, query.Aggregations)
if err != nil {
return nil, err
}
sb.Having(rewrittenExpr)
}
for _, orderBy := range query.Order {
idx, ok := aggOrderBy(orderBy, query)
if ok {
sb.OrderBy(fmt.Sprintf("__result_%d %s", idx, orderBy.Direction.StringValue()))
} else {
sb.OrderBy(fmt.Sprintf("`%s` %s", orderBy.Key.Name, orderBy.Direction.StringValue()))
}
}
if len(query.Order) == 0 {
sb.OrderBy("__result_0 DESC")
}
if query.Limit > 0 {
sb.Limit(query.Limit)
}
combinedArgs := append(allGroupByArgs, allAggChArgs...)
mainSQL, mainArgs := sb.BuildWithFlavor(sqlbuilder.ClickHouse, combinedArgs...)
finalSQL := querybuilder.CombineCTEs(cteFragments) + mainSQL
finalArgs := querybuilder.PrependArgs(cteArgs, mainArgs)
stmt := &qbtypes.Statement{
Query: finalSQL,
Args: finalArgs,
Warnings: preparedWhereClause.Warnings,
WarningsDocURL: preparedWhereClause.WarningsDocURL,
}
return stmt, nil
}
func (b *auditQueryStatementBuilder) addFilterCondition(
ctx context.Context,
orgID valuer.UUID,
sb *sqlbuilder.SelectBuilder,
start, end uint64,
query qbtypes.QueryBuilderQuery[qbtypes.LogAggregation],
keys map[string][]*telemetrytypes.TelemetryFieldKey,
variables map[string]qbtypes.VariableItem,
) (querybuilder.PreparedWhereClause, error) {
var preparedWhereClause querybuilder.PreparedWhereClause
var err error
if query.Filter != nil && query.Filter.Expression != "" {
preparedWhereClause, err = querybuilder.PrepareWhereClause(query.Filter.Expression, querybuilder.FilterExprVisitorOpts{
Context: ctx,
OrgID: orgID,
Logger: b.logger,
FieldMapper: b.fm,
ConditionBuilder: b.cb,
FieldKeys: keys,
SkipResourceFilter: true,
FullTextColumn: b.fullTextColumn,
Variables: variables,
StartNs: start,
EndNs: end,
})
if err != nil {
return preparedWhereClause, err
}
}
if !preparedWhereClause.IsEmpty() {
sb.AddWhereClause(preparedWhereClause.WhereClause)
}
startBucket := start/querybuilder.NsToSeconds - querybuilder.BucketAdjustment
var endBucket uint64
if end != 0 {
endBucket = end / querybuilder.NsToSeconds
}
if start != 0 {
sb.Where(sb.GE("timestamp", fmt.Sprintf("%d", start)), sb.GE("ts_bucket_start", startBucket))
}
if end != 0 {
sb.Where(sb.L("timestamp", fmt.Sprintf("%d", end)), sb.LE("ts_bucket_start", endBucket))
}
return preparedWhereClause, nil
}
func aggOrderBy(k qbtypes.OrderBy, q qbtypes.QueryBuilderQuery[qbtypes.LogAggregation]) (int, bool) {
for i, agg := range q.Aggregations {
if k.Key.Name == agg.Alias || k.Key.Name == agg.Expression || k.Key.Name == fmt.Sprintf("%d", i) {
return i, true
}
}
return 0, false
}
func (b *auditQueryStatementBuilder) maybeAttachResourceFilter(
ctx context.Context,
orgID valuer.UUID,
sb *sqlbuilder.SelectBuilder,
query qbtypes.QueryBuilderQuery[qbtypes.LogAggregation],
start, end uint64,
variables map[string]qbtypes.VariableItem,
) (cteSQL string, cteArgs []any, err error) {
stmt, err := b.resourceFilterStmtBuilder.Build(ctx, orgID, start, end, qbtypes.RequestTypeRaw, query, variables)
if err != nil {
return "", nil, err
}
if stmt == nil {
return "", nil, nil
}
sb.Where("resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter)")
return fmt.Sprintf("__resource_filter AS (%s)", stmt.Query), stmt.Args, nil
}