#pragma once

#include "yql_co.h"

namespace NYql {

TExprNode::TPtr ExpandSqlSelect(const TExprNode::TPtr& node, TExprContext& ctx, TOptimizeContext& optCtx);

TExprNode::TPtr ExpandSqlSelectSublink(
    const TExprNode::TPtr& node,
    const TExprNode::TPtr& originalNode,
    TExprContext& ctx,
    TOptimizeContext& optCtx,
    ui32 subLinkId,
    const TExprNode::TListType& outerInputs,
    const TVector<TString>& outerInputAliases);

TExprNode::TPtr ExpandPositionalSelectOp(const TExprNode& input, const TVector<TColumnOrder>& columnOrders,
    TExprNode::TListType children, TExprContext& ctx, TOptimizeContext& optCtx);

TExprNode::TPtr NormalizeColumnOrder(const TExprNode::TPtr& node, const TColumnOrder& sourceColumnOrder,
    const TColumnOrder& targetColumnOrder, TExprContext& ctx);

TExprNode::TPtr ExpandSqlGroupRef(const TExprNode::TPtr& node, TExprContext& ctx, TOptimizeContext& optCtx);

TExprNode::TPtr ExpandSqlGrouping(const TExprNode::TPtr& node, TExprContext& ctx, TOptimizeContext& optCtx);

TExprNode::TPtr ExpandSqlIterate(const TExprNode::TPtr& node, TExprContext& ctx, TOptimizeContext& optCtx);

TExprNode::TPtr CombineSetItems(TPositionHandle pos, const TExprNode::TPtr& left, const TExprNode::TPtr& right, const TStringBuf& op, TExprContext& ctx);

} // namespace NYql