ClickHouse/src/TableFunctions/TableFunctionS3.h

#pragma once

#include <Common/config.h>

#if USE_AWS_S3

#include <TableFunctions/ITableFunction.h>


namespace DB
{

class Context;

/* s3(source, [access_key_id, secret_access_key,] format, structure) - creates a temporary storage for a file in S3
 */
class TableFunctionS3 : public ITableFunction
{
public:
    static constexpr auto name = "s3";
    std::string getName() const override
    {
        return name;
    }

protected:
    StoragePtr executeImpl(
        const ASTPtr & ast_function,
        const Context & context,
        const std::string & table_name) const override;

    static StoragePtr getStorage(
        const String & source,
        const String & access_key_id,
        const String & secret_access_key,
        const String & format,
        const ColumnsDescription & columns,
        Context & global_context,
        const std::string & table_name,
        const String & compression_method);

    const char * getStorageTypeName() const override { return "S3"; }
};

class TableFunctionCOS : public TableFunctionS3
{
public:
    static constexpr auto name = "cosn";
    std::string getName() const override
    {
        return name;
    }
private:
    const char * getStorageTypeName() const override { return "COSN"; }
};

}

#endif