1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#include <AggregateFunctions/AggregateFunctionDeltaSumTimestamp.h>
#include <AggregateFunctions/AggregateFunctionFactory.h>
#include <AggregateFunctions/FactoryHelpers.h>
#include <AggregateFunctions/Helpers.h>
namespace DB
{
namespace ErrorCodes
{
extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
}
namespace
{
AggregateFunctionPtr createAggregateFunctionDeltaSumTimestamp(
const String & name,
const DataTypes & arguments,
const Array & params,
const Settings *)
{
assertNoParameters(name, params);
if (arguments.size() != 2)
throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH,
"Incorrect number of arguments for aggregate function {}", name);
if (!isInteger(arguments[0]) && !isFloat(arguments[0]) && !isDate(arguments[0]) && !isDateTime(arguments[0]))
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal type {} of argument for aggregate function {}, "
"must be Int, Float, Date, DateTime", arguments[0]->getName(), name);
if (!isInteger(arguments[1]) && !isFloat(arguments[1]) && !isDate(arguments[1]) && !isDateTime(arguments[1]))
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal type {} of argument for aggregate function {}, "
"must be Int, Float, Date, DateTime", arguments[1]->getName(), name);
return AggregateFunctionPtr(createWithTwoNumericOrDateTypes<AggregationFunctionDeltaSumTimestamp>(
*arguments[0], *arguments[1], arguments, params));
}
}
void registerAggregateFunctionDeltaSumTimestamp(AggregateFunctionFactory & factory)
{
AggregateFunctionProperties properties = { .returns_default_when_only_null = true, .is_order_dependent = true };
factory.registerFunction("deltaSumTimestamp", { createAggregateFunctionDeltaSumTimestamp, properties });
}
}
|