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authorvitalyisaev <[email protected]>2023-11-14 09:58:56 +0300
committervitalyisaev <[email protected]>2023-11-14 10:20:20 +0300
commitc2b2dfd9827a400a8495e172a56343462e3ceb82 (patch)
treecd4e4f597d01bede4c82dffeb2d780d0a9046bd0 /contrib/clickhouse/src/AggregateFunctions/AggregateFunctionDeltaSum.cpp
parentd4ae8f119e67808cb0cf776ba6e0cf95296f2df7 (diff)
YQ Connector: move tests from yql to ydb (OSS)
Перенос папки с тестами на Коннектор из папки yql в папку ydb (синхронизируется с github).
Diffstat (limited to 'contrib/clickhouse/src/AggregateFunctions/AggregateFunctionDeltaSum.cpp')
-rw-r--r--contrib/clickhouse/src/AggregateFunctions/AggregateFunctionDeltaSum.cpp51
1 files changed, 51 insertions, 0 deletions
diff --git a/contrib/clickhouse/src/AggregateFunctions/AggregateFunctionDeltaSum.cpp b/contrib/clickhouse/src/AggregateFunctions/AggregateFunctionDeltaSum.cpp
new file mode 100644
index 00000000000..f36e0cb4682
--- /dev/null
+++ b/contrib/clickhouse/src/AggregateFunctions/AggregateFunctionDeltaSum.cpp
@@ -0,0 +1,51 @@
+#include <AggregateFunctions/AggregateFunctionDeltaSum.h>
+
+#include <AggregateFunctions/AggregateFunctionFactory.h>
+#include <AggregateFunctions/FactoryHelpers.h>
+#include <AggregateFunctions/Helpers.h>
+
+
+namespace DB
+{
+struct Settings;
+
+namespace ErrorCodes
+{
+ extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
+ extern const int ILLEGAL_TYPE_OF_ARGUMENT;
+}
+
+namespace
+{
+
+AggregateFunctionPtr createAggregateFunctionDeltaSum(
+ const String & name,
+ const DataTypes & arguments,
+ const Array & params,
+ const Settings *)
+{
+ assertNoParameters(name, params);
+
+ if (arguments.size() != 1)
+ throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH,
+ "Incorrect number of arguments for aggregate function {}", name);
+
+ const DataTypePtr & data_type = arguments[0];
+
+ if (isInteger(data_type) || isFloat(data_type))
+ return AggregateFunctionPtr(createWithNumericType<AggregationFunctionDeltaSum>(
+ *data_type, arguments, params));
+ else
+ throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal type {} of argument for aggregate function {}",
+ arguments[0]->getName(), name);
+}
+}
+
+void registerAggregateFunctionDeltaSum(AggregateFunctionFactory & factory)
+{
+ AggregateFunctionProperties properties = { .returns_default_when_only_null = true, .is_order_dependent = true };
+
+ factory.registerFunction("deltaSum", { createAggregateFunctionDeltaSum, properties });
+}
+
+}