Create flags for enabling auto index creation

config/flags.yaml

@@ -119,6 +119,14 @@ modifications:
     value: "false"
     override: true
 
+  - name: "storage_enable_automatic_label_index_creation"
+    value: "false"
+    override: true
+
+  - name: "storage_enable_automatic_edge_type_index_creation"
+    value: "false"
+    override: true
+
   - name: "query_callable_mappings_path"
     value: "/etc/memgraph/apoc_compatibility_mappings.json"
     override: true

src/flags/general.cpp

@@ -131,6 +131,14 @@ DEFINE_uint64(storage_recovery_thread_count,
 DEFINE_bool(storage_enable_schema_metadata, false,
             "Controls whether metadata should be collected about the resident labels and edge types.");
 
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(storage_enable_automatic_label_index_creation, false,
+            "Controls whether label indexes on vertices should be created automatically.");
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(storage_enable_automatic_edge_type_index_creation, false,
+            "Controls whether edge-type indexes on relationships should be created automatically.");
+
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
 DEFINE_bool(storage_delta_on_identical_property_update, true,
             "Controls whether updating a property with the same value should create a delta object.");

src/flags/general.hpp

@@ -85,6 +85,10 @@ DECLARE_uint64(storage_recovery_thread_count);
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
 DECLARE_bool(storage_enable_schema_metadata);
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(storage_enable_automatic_label_index_creation);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(storage_enable_automatic_edge_type_index_creation);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
 DECLARE_bool(storage_delta_on_identical_property_update);
 
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)

src/memgraph.cpp

@@ -333,8 +333,18 @@ int main(int argc, char **argv) {
                .wal_directory = FLAGS_data_directory + "/rocksdb_wal"},
       .salient.items = {.properties_on_edges = FLAGS_storage_properties_on_edges,
                         .enable_schema_metadata = FLAGS_storage_enable_schema_metadata,
+                        .enable_label_index_auto_creation = FLAGS_storage_enable_automatic_label_index_creation,
+                        .enable_edge_type_index_auto_creation =
+                            FLAGS_storage_properties_on_edges ? FLAGS_storage_enable_automatic_edge_type_index_creation
+                                                              : false,
                         .delta_on_identical_property_update = FLAGS_storage_delta_on_identical_property_update},
       .salient.storage_mode = memgraph::flags::ParseStorageMode()};
+  if (db_config.salient.items.enable_edge_type_index_auto_creation && !db_config.salient.items.properties_on_edges) {
+    spdlog::warn(
+        "Automatic index creation on edge-types has been set but properties on edges are disabled. This will "
+        "implicitly disallow automatic edge-type index creation. If you wish to use automatic edge-type index "
+        "creation, enable properties on edges as well.");
+  }
   spdlog::info("config recover on startup {}, flags {} {}", db_config.durability.recover_on_startup,
                FLAGS_storage_recover_on_startup, FLAGS_data_recovery_on_startup);
   memgraph::utils::Scheduler jemalloc_purge_scheduler;

src/storage/v2/config.hpp

@@ -37,6 +37,8 @@ struct SalientConfig {
   struct Items {
     bool properties_on_edges{true};
     bool enable_schema_metadata{false};
+    bool enable_label_index_auto_creation{false};
+    bool enable_edge_type_index_auto_creation{false};
     bool delta_on_identical_property_update{true};
     friend bool operator==(const Items &lrh, const Items &rhs) = default;
   } items;
@@ -45,13 +47,19 @@ struct SalientConfig {
 };
 
 inline void to_json(nlohmann::json &data, SalientConfig::Items const &items) {
-  data = nlohmann::json{{"properties_on_edges", items.properties_on_edges},
+  data = nlohmann::json{
-                        {"enable_schema_metadata", items.enable_schema_metadata}};
+      {"properties_on_edges", items.properties_on_edges},
+      {"enable_schema_metadata", items.enable_schema_metadata},
+      {"enable_label_index_auto_creation", items.enable_label_index_auto_creation},
+      {"enable_edge_type_index_auto_creation", items.enable_edge_type_index_auto_creation},
+  };
 }
 
 inline void from_json(const nlohmann::json &data, SalientConfig::Items &items) {
   data.at("properties_on_edges").get_to(items.properties_on_edges);
   data.at("enable_schema_metadata").get_to(items.enable_schema_metadata);
+  data.at("enable_label_index_auto_creation").get_to(items.enable_label_index_auto_creation);
+  data.at("enable_edge_type_index_auto_creation").get_to(items.enable_edge_type_index_auto_creation);
 }
 
 inline void to_json(nlohmann::json &data, SalientConfig const &config) {