mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-09 10:00:54 +00:00
77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
#include <Databases/DatabaseFactory.h>
|
|
#include <Databases/DatabaseOrdinary.h>
|
|
#include <Databases/DatabaseMemory.h>
|
|
#include <Databases/DatabaseDictionary.h>
|
|
#include <Parsers/ASTLiteral.h>
|
|
#include <Parsers/formatAST.h>
|
|
#include <Parsers/ASTCreateQuery.h>
|
|
#include <Parsers/ASTFunction.h>
|
|
#include <Common/parseAddress.h>
|
|
#include "config_core.h"
|
|
#if USE_MYSQL
|
|
|
|
#include <Databases/DatabaseMySQL.h>
|
|
|
|
#endif
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
namespace ErrorCodes
|
|
{
|
|
extern const int BAD_ARGUMENTS;
|
|
extern const int UNKNOWN_DATABASE_ENGINE;
|
|
}
|
|
|
|
DatabasePtr DatabaseFactory::get(
|
|
const String & database_name,
|
|
const String & metadata_path,
|
|
const ASTStorage * engine_define,
|
|
Context & context)
|
|
{
|
|
String engine_name = engine_define->engine->name;
|
|
|
|
if (engine_name != "MySQL" && engine_define->engine->arguments)
|
|
throw Exception("Database engine " + engine_name + " cannot have arguments", ErrorCodes::BAD_ARGUMENTS);
|
|
|
|
if (engine_define->engine->parameters || engine_define->partition_by || engine_define->primary_key || engine_define->order_by ||
|
|
engine_define->sample_by || engine_define->settings)
|
|
throw Exception("Database engine " + engine_name + " cannot have parameters, primary_key, order_by, sample_by, settings",
|
|
ErrorCodes::UNKNOWN_ELEMENT_IN_AST);
|
|
|
|
if (engine_name == "Ordinary")
|
|
return std::make_shared<DatabaseOrdinary>(database_name, metadata_path, context);
|
|
else if (engine_name == "Memory")
|
|
return std::make_shared<DatabaseMemory>(database_name);
|
|
else if (engine_name == "Dictionary")
|
|
return std::make_shared<DatabaseDictionary>(database_name);
|
|
|
|
#if USE_MYSQL
|
|
|
|
else if (engine_name == "MySQL")
|
|
{
|
|
const ASTFunction * engine = engine_define->engine;
|
|
const auto & arguments = engine->arguments->children;
|
|
|
|
if (arguments.size() != 4)
|
|
throw Exception("MySQL Database require mysql_hostname, mysql_database_name, mysql_username, mysql_password arguments.",
|
|
ErrorCodes::BAD_ARGUMENTS);
|
|
|
|
const auto & mysql_host_name = arguments[0]->as<ASTLiteral>()->value.safeGet<String>();
|
|
const auto & mysql_database_name = arguments[1]->as<ASTLiteral>()->value.safeGet<String>();
|
|
const auto & mysql_user_name = arguments[2]->as<ASTLiteral>()->value.safeGet<String>();
|
|
const auto & mysql_user_password = arguments[3]->as<ASTLiteral>()->value.safeGet<String>();
|
|
|
|
auto parsed_host_port = parseAddress(mysql_host_name, 3306);
|
|
return std::make_shared<DatabaseMySQL>(context, database_name, parsed_host_port.first, parsed_host_port.second, mysql_database_name,
|
|
mysql_user_name, mysql_user_password);
|
|
}
|
|
|
|
#endif
|
|
|
|
throw Exception("Unknown database engine: " + engine_name, ErrorCodes::UNKNOWN_DATABASE_ENGINE);
|
|
}
|
|
|
|
}
|