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#pragma once
#include <TableFunctions/ITableFunction.h>
namespace DB
{
class Context;
class ASTSetQuery;
/* executable(script_name_optional_arguments, format, structure, input_query) - creates a temporary storage from executable file
*
*
* The file must be in the clickhouse data directory.
* The relative path begins with the clickhouse data directory.
*/
class TableFunctionExecutable : public ITableFunction
{
public:
static constexpr auto name = "executable";
std::string getName() const override { return name; }
bool hasStaticStructure() const override { return true; }
private:
StoragePtr executeImpl(const ASTPtr & ast_function, ContextPtr context, const std::string & table_name, ColumnsDescription cached_columns, bool is_insert_query) const override;
const char * getStorageTypeName() const override { return "Executable"; }
ColumnsDescription getActualTableStructure(ContextPtr context, bool is_insert_query) const override;
std::vector<size_t> skipAnalysisForArguments(const QueryTreeNodePtr & query_node_table_function, ContextPtr context) const override;
void parseArguments(const ASTPtr & ast_function, ContextPtr context) override;
String script_name;
std::vector<String> arguments;
String format;
String structure;
std::vector<ASTPtr> input_queries;
ASTPtr settings_query = nullptr;
};
}
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