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#pragma once
#include <map>
#include <Parsers/IAST.h>
namespace DB
{
class ASTFunction;
class ASTSelectQuery;
class ASTSelectWithUnionQuery;
struct ASTTableExpression;
class ApplyWithSubqueryVisitor
{
public:
struct Data
{
std::map<String, ASTPtr> subqueries;
};
static void visit(ASTPtr & ast) { visit(ast, {}); }
static void visit(ASTSelectQuery & select) { visit(select, {}); }
static void visit(ASTSelectWithUnionQuery & select) { visit(select, {}); }
private:
static void visit(ASTPtr & ast, const Data & data);
static void visit(ASTSelectQuery & ast, const Data & data);
static void visit(ASTSelectWithUnionQuery & ast, const Data & data);
static void visit(ASTTableExpression & table, const Data & data);
static void visit(ASTFunction & func, const Data & data);
};
}
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