blob: 2f7c554da40606e0add85b0c98f5bb8fd783b675 (
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
25
|
#pragma once
#include <Parsers/IAST.h>
#include <map>
namespace DB
{
class ASTSelectWithUnionQuery;
class ASTSelectQuery;
class ASTSelectIntersectExceptQuery;
/// Pull out the WITH statement from the first child of ASTSelectWithUnion query if any.
class ApplyWithGlobalVisitor
{
public:
static void visit(ASTPtr & ast);
private:
static void visit(ASTSelectWithUnionQuery & selects, const std::map<String, ASTPtr> & exprs, const ASTPtr & with_expression_list);
static void visit(ASTSelectQuery & select, const std::map<String, ASTPtr> & exprs, const ASTPtr & with_expression_list);
static void visit(ASTSelectIntersectExceptQuery & select, const std::map<String, ASTPtr> & exprs, const ASTPtr & with_expression_list);
};
}
|
