fix(storage): resolve deadlock occuring durring projection (#3671)

internal/eventstore/repository/search_query.go

@@ -1,6 +1,10 @@
 package repository
 
-import "github.com/zitadel/zitadel/internal/errors"
+import (
+	"database/sql"
+
+	"github.com/zitadel/zitadel/internal/errors"
+)
 
 //SearchQuery defines the which and how data are queried
 type SearchQuery struct {
@@ -8,6 +12,7 @@ type SearchQuery struct {
 	Limit   uint64
 	Desc    bool
 	Filters [][]*Filter
+	Tx      *sql.Tx
 }
 
 //Columns defines which fields of the event are needed for the query

internal/eventstore/repository/sql/query.go

@@ -47,7 +47,15 @@ func query(ctx context.Context, criteria querier, searchQuery *repository.Search
 
 	query = criteria.placeholder(query)
 
-	rows, err := criteria.db().QueryContext(ctx, query, values...)
+	var contextQuerier interface {
+		QueryContext(context.Context, string, ...interface{}) (*sql.Rows, error)
+	}
+	contextQuerier = criteria.db()
+	if searchQuery.Tx != nil {
+		contextQuerier = searchQuery.Tx
+	}
+
+	rows, err := contextQuerier.QueryContext(ctx, query, values...)
 	if err != nil {
 		logging.New().WithError(err).Info("query failed")
 		return z_errors.ThrowInternal(err, "SQL-KyeAx", "unable to filter events")