ClickHouse/src/Interpreters/ExpressionActionsSettings.h
2021-05-19 17:32:07 +03:00

33 lines
737 B
C++

#pragma once
#include <Interpreters/Context_fwd.h>
#include <cstddef>
namespace DB
{
struct Settings;
enum class CompileExpressions: uint8_t
{
no = 0,
yes = 1,
};
struct ExpressionActionsSettings
{
bool can_compile_expressions = false;
size_t min_count_to_compile_expression = 0;
size_t max_temporary_columns = 0;
size_t max_temporary_non_const_columns = 0;
CompileExpressions compile_expressions = CompileExpressions::no;
static ExpressionActionsSettings fromSettings(const Settings & from, CompileExpressions compile_expressions = CompileExpressions::no);
static ExpressionActionsSettings fromContext(ContextPtr from, CompileExpressions compile_expressions = CompileExpressions::no);
};
}