ClickHouse/dbms/Interpreters/misc.h

#pragma once

namespace DB
{

inline bool functionIsInOperator(const std::string & name)
{
    return name == "in" || name == "notIn";
}

inline bool functionIsInOrGlobalInOperator(const std::string & name)
{
    return functionIsInOperator(name) || name == "globalIn" || name == "globalNotIn";
}

inline bool functionIsLikeOperator(const std::string & name)
{
    return name == "like" || name == "notLike";
}

}