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/**
* Copyright (C) 2023-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/db/exec/sbe/values/value.h"
#include "mongo/db/query/optimizer/index_bounds.h"
namespace mongo::optimizer::ce {
/**
* Helper function to extract a tag & value from an ABT node if it turns out to be a Constant node
* with constant bounds (or boost::none if not).
*/
boost::optional<std::pair<sbe::value::TypeTags, sbe::value::Value>> getConstTypeVal(const ABT& abt);
/**
* Helper function to extract a tag from 'abt' if it turns out to be a Constant node with constant
* bounds (or boost::none if not).
*/
boost::optional<sbe::value::TypeTags> getConstTypeTag(const ABT& abt);
/**
* Helper function to extract an sbe tag & value from the given 'boundReq' if possible, or
* boost::none if not.
*/
boost::optional<std::pair<sbe::value::TypeTags, sbe::value::Value>> getBound(
const BoundRequirement& boundReq);
/**
* Helper function to extract the TypeTag from the given 'boundReq' or boost::none if not.
*/
boost::optional<sbe::value::TypeTags> getBoundReqTypeTag(const BoundRequirement& boundReq);
/**
* Helper function to return the interval corresponding to a given 'type'.
*/
IntervalRequirement getMinMaxIntervalForType(sbe::value::TypeTags type);
/**
* Helper function to determine if the given 'interval' is a subset of the given 'type'.
*/
bool isIntervalSubsetOfType(const IntervalRequirement& interval, sbe::value::TypeTags type);
} // namespace mongo::optimizer::ce
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