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system.events and system.metrics tables add column name as an alias to event and metric

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This commit is contained in:
xiedeyantu 2023-07-19 17:39:00 +08:00
parent 4bb95305a4
commit d0e886070c
4 changed files with 16 additions and 0 deletions
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7
src/Storages/System/StorageSystemEvents.cpp
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@ -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)

1
src/Storages/System/StorageSystemEvents.h
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@ -17,6 +17,7 @@ public:
static NamesAndTypesList getNamesAndTypes();
static NamesAndAliases getNamesAndAliases();
protected:
using IStorageSystemOneBlock::IStorageSystemOneBlock;

7
src/Storages/System/StorageSystemMetrics.cpp
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@ -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)

1
src/Storages/System/StorageSystemMetrics.h
View File

@ -18,6 +18,7 @@ public:
static NamesAndTypesList getNamesAndTypes();
static NamesAndAliases getNamesAndAliases();
protected:
using IStorageSystemOneBlock::IStorageSystemOneBlock;