system.events and system.metrics tables add column name as an alias t…

…o event and metric
xiedeyantu · Jul 19, 2023 · d0e8860 · d0e8860
1 parent 4bb9530
commit d0e8860
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Showing 4 changed files with 16 additions and 0 deletions.
diff --git a/src/Storages/System/StorageSystemEvents.cpp b/src/Storages/System/StorageSystemEvents.cpp
@@ -16,6 +16,13 @@ NamesAndTypesList StorageSystemEvents::getNamesAndTypes()
  };
 }
 
+NamesAndAliases StorageSystemEvents::getNamesAndAliases()
+{
+ return {
+ {"name", std::make_shared<DataTypeString>(), "event"}
+ };
+}
+
 void StorageSystemEvents::fillData(MutableColumns & res_columns, ContextPtr context, const SelectQueryInfo &) const
 {
  for (ProfileEvents::Event i = ProfileEvents::Event(0), end = ProfileEvents::end(); i < end; ++i)

diff --git a/src/Storages/System/StorageSystemEvents.h b/src/Storages/System/StorageSystemEvents.h
@@ -17,6 +17,7 @@ class StorageSystemEvents final : public IStorageSystemOneBlock<StorageSystemEve
 
  static NamesAndTypesList getNamesAndTypes();
 
+ static NamesAndAliases getNamesAndAliases();
 protected:
  using IStorageSystemOneBlock::IStorageSystemOneBlock;
 

diff --git a/src/Storages/System/StorageSystemMetrics.cpp b/src/Storages/System/StorageSystemMetrics.cpp
@@ -17,6 +17,13 @@ NamesAndTypesList StorageSystemMetrics::getNamesAndTypes()
  };
 }
 
+NamesAndAliases StorageSystemMetrics::getNamesAndAliases()
+{
+ return {
+ {"name", std::make_shared<DataTypeString>(), "metric"}
+ };
+}
+
 void StorageSystemMetrics::fillData(MutableColumns & res_columns, ContextPtr, const SelectQueryInfo &) const
 {
  for (size_t i = 0, end = CurrentMetrics::end(); i < end; ++i)

diff --git a/src/Storages/System/StorageSystemMetrics.h b/src/Storages/System/StorageSystemMetrics.h
@@ -18,6 +18,7 @@ class StorageSystemMetrics final : public IStorageSystemOneBlock<StorageSystemMe
 
  static NamesAndTypesList getNamesAndTypes();
 
+ static NamesAndAliases getNamesAndAliases();
 protected:
  using IStorageSystemOneBlock::IStorageSystemOneBlock;