mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-11 08:52:06 +00:00
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
#include <Columns/ColumnsNumber.h>
|
|
#include <DataTypes/DataTypesNumber.h>
|
|
#include <Functions/FunctionFactory.h>
|
|
#include <Functions/IFunction.h>
|
|
#include <Interpreters/Context_fwd.h>
|
|
|
|
namespace DB
|
|
{
|
|
namespace
|
|
{
|
|
// This class is a stub for the meiliMatch function in the where section of the query,
|
|
// this function is used to pass parameters to the MeiliSearch storage engine
|
|
class FunctionMeiliMatch : public IFunction
|
|
{
|
|
public:
|
|
static constexpr auto name = "meiliMatch";
|
|
static FunctionPtr create(ContextPtr) { return std::make_shared<FunctionMeiliMatch>(); }
|
|
|
|
/// Get the function name.
|
|
String getName() const override { return name; }
|
|
|
|
bool isStateful() const override { return false; }
|
|
|
|
bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return false; }
|
|
|
|
size_t getNumberOfArguments() const override { return 0; }
|
|
|
|
bool isVariadic() const override { return true; }
|
|
|
|
bool isDeterministic() const override { return false; }
|
|
|
|
bool isDeterministicInScopeOfQuery() const override { return false; }
|
|
|
|
DataTypePtr getReturnTypeImpl(const DataTypes & /*arguments*/) const override { return std::make_shared<DataTypeUInt8>(); }
|
|
|
|
ColumnPtr executeImpl(const ColumnsWithTypeAndName &, const DataTypePtr &, size_t input_rows_count) const override
|
|
{
|
|
return ColumnUInt8::create(input_rows_count, 1u);
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
void registerFunctionMeiliMatch(FunctionFactory & factory)
|
|
{
|
|
factory.registerFunction<FunctionMeiliMatch>();
|
|
}
|
|
|
|
}
|