lbug 0.16.1

An in-process property graph database management system built for query speed and scalability
Documentation 
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#pragma once

#include <vector>

#include "binder/expression/expression.h"
#include "common/case_insensitive_map.h"
#include "common/copier_config/file_scan_info.h"
#include "common/types/value/value.h"
#include "parser/query/reading_clause/yield_variable.h"

namespace lbug {
namespace binder {
class LiteralExpression;
class Binder;
} // namespace binder
namespace main {
class ClientContext;
}

namespace common {
class Value;
}

namespace function {

using optional_params_t = common::case_insensitive_map_t<common::Value>;

struct TableFunction;

struct ExtraTableFuncBindInput {
    virtual ~ExtraTableFuncBindInput() = default;

    template<class TARGET>
    const TARGET* constPtrCast() const {
        return common::dynamic_cast_checked<const TARGET*>(this);
    }
};

struct LBUG_API TableFuncBindInput {
    binder::expression_vector params;
    optional_params_t optionalParams;
    binder::expression_vector optionalParamsLegacy;
    std::unique_ptr<ExtraTableFuncBindInput> extraInput = nullptr;
    binder::Binder* binder = nullptr;
    std::vector<parser::YieldVariable> yieldVariables;

    TableFuncBindInput() = default;

    void addLiteralParam(common::Value value);

    std::shared_ptr<binder::Expression> getParam(common::idx_t idx) const { return params[idx]; }
    common::Value getValue(common::idx_t idx) const;
    template<typename T>
    T getLiteralVal(common::idx_t idx) const;
};

struct LBUG_API ExtraScanTableFuncBindInput : ExtraTableFuncBindInput {
    common::FileScanInfo fileScanInfo;
    std::vector<std::string> expectedColumnNames;
    std::vector<common::LogicalType> expectedColumnTypes;
    TableFunction* tableFunction = nullptr;
};

} // namespace function
} // namespace lbug