65 lines
1.0 KiB
C++
65 lines
1.0 KiB
C++
#ifndef QUERY_BASIC_CONDITION_HPP
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#define QUERY_BASIC_CONDITION_HPP
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#include "matador/sql/column.hpp"
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#include <unordered_map>
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#include <cstdint>
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#include <string>
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namespace matador::sql {
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class dialect;
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class query_context;
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class basic_condition
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{
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public:
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basic_condition() = default;
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virtual ~basic_condition() = default;
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enum class operand_t : uint8_t
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{
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EQUAL = 0,
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NOT_EQUAL,
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LESS,
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LESS_EQUAL,
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GREATER,
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GREATER_EQUAL,
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OR,
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AND,
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NOT,
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IN_LIST,
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LIKE
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};
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virtual std::string evaluate(dialect &dialect, query_context &query) const = 0;
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static std::unordered_map<operand_t, std::string> operands;
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};
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class basic_column_condition : public basic_condition
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{
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public:
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column field_;
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std::string operand;
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basic_column_condition(column fld, basic_condition::operand_t op);
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};
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class basic_in_condition : public basic_condition
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{
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public:
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column field_;
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explicit basic_in_condition(column fld);
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[[nodiscard]] virtual size_t size() const = 0;
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};
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/// @endcond
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}
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#endif //QUERY_BASIC_CONDITION_HPP
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