ClickHouse/src/TableFunctions/TableFunctionGenerateRandom.h
2020-04-07 23:31:59 +03:00

23 lines
636 B
C++

#pragma once
#include <TableFunctions/ITableFunction.h>
namespace DB
{
/* generateRandom(structure, [max_array_length, max_string_length, random_seed])
* - creates a temporary storage that generates columns with random data
*/
class TableFunctionGenerateRandom : public ITableFunction
{
public:
static constexpr auto name = "generateRandom";
std::string getName() const override { return name; }
private:
StoragePtr executeImpl(const ASTPtr & ast_function, const Context & context, const std::string & table_name) const override;
const char * getStorageTypeName() const override { return "GenerateRandom"; }
};
}