blob: 8ebe8a6618251b75df6e127e568785d58a3691ba (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
#pragma once
#include <map>
#include <Parsers/IAST.h>
namespace DB
{
/// Propagate every WITH alias expression to its descendent subqueries, with correct scoping visibility.
class ApplyWithAliasVisitor
{
public:
struct Data
{
std::map<String, ASTPtr> exprs;
};
static void visit(ASTPtr & ast) { visit(ast, {}); }
private:
static void visit(ASTPtr & ast, const Data & data);
};
}
|
